WO2019184663A1 - 植物来源"汤剂体"的提取和"本草体"的人工制备及其相关产品 - Google Patents

植物来源"汤剂体"的提取和"本草体"的人工制备及其相关产品 Download PDF

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WO2019184663A1
WO2019184663A1 PCT/CN2019/077004 CN2019077004W WO2019184663A1 WO 2019184663 A1 WO2019184663 A1 WO 2019184663A1 CN 2019077004 W CN2019077004 W CN 2019077004W WO 2019184663 A1 WO2019184663 A1 WO 2019184663A1
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Prior art keywords
lipid
combination
cells
rna
decoction
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PCT/CN2019/077004
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English (en)
French (fr)
Inventor
蒋澄宇
李晓芸
杜涧超
梁竹
王志清
王晨轩
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Institute of Basic Medical Sciences of CAMS and PUMC
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Institute of Basic Medical Sciences of CAMS and PUMC
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Priority claimed from PCT/CN2018/081155 external-priority patent/WO2018177383A1/zh
Application filed by Institute of Basic Medical Sciences of CAMS and PUMC filed Critical Institute of Basic Medical Sciences of CAMS and PUMC
Priority to CA3095501A priority Critical patent/CA3095501A1/en
Priority to PCT/CN2019/077004 priority patent/WO2019184663A1/zh
Priority to EP19777982.0A priority patent/EP3789043A4/en
Priority to CN201980023065.9A priority patent/CN111971072B/zh
Priority to CN202310754925.4A priority patent/CN116747310A/zh
Priority to US17/042,924 priority patent/US12280114B2/en
Publication of WO2019184663A1 publication Critical patent/WO2019184663A1/zh
Anticipated expiration legal-status Critical
Priority to US18/896,864 priority patent/US20250041423A1/en
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Definitions

  • the present invention relates to an extraction method of an active material decoction body and a method for artificially preparing a herb body, and in particular to a method for extracting an active substance from a botanical drug and a method for artificially preparing the herb body.
  • the functional components of different medicinal materials enter different human organs and tissues, aiming at different diseases.
  • the human genome is made up of about 20,000 genes.
  • the abundant botanical microRNAs can regulate all of these genes.
  • Our previous paper demonstrated that HJT-sRNA-m7 can down-regulate at least three fibrotic genes simultaneously (Du et al., 2017).
  • our laboratory provides experimental methods and protocols for screening and identifying effective therapeutic small RNAs.
  • one or more botanical small RNAs can be identified for each gene, and the expression of human genes can be regulated by botanical small RNA. Since many diseases involve unbalanced gene expression, the combination of botanical small RNAs may accurately target the imbalanced genes in the disease and provide a potential healing effect.
  • the present invention is based, in part, on the discovery by the inventors that an extract of a botanical drug can be prepared by a solvent, followed by differential centrifugation to obtain an active composition of a botanical drug, which is a nanoparticulate substance having a membrane structure after being dissolved in a solvent.
  • a nanoparticulate material having a bilayer membrane structure which can be used orally for reducing a series of inflammatory factors and treating related diseases.
  • the present invention is also based, in part, on the discovery that the insertion of nucleic acids into the lipid layer by heating nucleic acids, particularly small RNAs and lipids, increases the stability of the process of intercalating the lipid membrane.
  • the present invention provides novel methods of extracting and preparing plant active compositions and methods of preparing the same, comprising mixing one or more lipid components or/and any one or more of the following and subjecting the mixture to heat treatment: One or more synthetic or purified nucleic acids, one or more synthetic or purified compounds, one or more synthetic or purified macromolecules.
  • the present invention also provides for the use of a decoction or herbaceous body as an effective method of treating diseases.
  • the present invention provides the following:
  • Bencaosome An artificially prepared nanoparticulate material having a membrane structure.
  • the membrane structure comprises one or more lipid components characterized by chemical synthesis or chemical separation and purification, including but not limited to the lipids shown in Table 1 or Table 10 or 70% or more similar thereto.
  • Lipids (the lipid approximation is defined by the following method: having the same parent structure) with less than 5% impurity component; mixing the lipid with or/and with any one or more of the following: one or more nucleic acids, one One or more compounds, one or more macromolecules.
  • Herbs are nanoparticulate materials of membrane structure prepared by heating lipids and other materials, including one or more nucleic acids, one or more compounds, and/or one or more macromolecules.
  • the herb body may also be referred to as an active composition of a membrane structure, preferably an active composition prepared by the methods of the foregoing embodiments 1-2, 5-9 or 20-28.
  • the one or more lipid components may be synthetic or purified, including but not limited to the lipids shown in Table 1 or Table 10; the one or more nucleic acid components may be synthetic or purified, including but Not limited to the RNAs shown in Table 8, 9 or Table 13; the one or more compounds may be synthetic or purified, including but not limited to the compounds shown in Table 2 - Table 5; the one or more The macromolecular component can be synthetic or purified, including but not limited to the proteins shown in Table 6 or Table 7.
  • a method of preparing a body of grass comprising the steps of:
  • the one or more lipid components are synthetic or purified, selected from the lipids shown in Table 1 or Table 10;
  • the heating temperature is from about 0 ° C to about 100 ° C, more preferably from about 50 ° C to about 100 ° C, and more preferably from about 70 ° C to 90 ° C, particularly preferably from about 80 ° C to about 90 ° C, preferably 90 ° C;
  • the heating time is from about 0 minutes to about 24 hours, from about 5 minutes to about 20 hours, from about 10 minutes to about 16 hours, from about 30 minutes to about 12 hours, from about 1 hour to about 8 hours, or about 0.5 hours. - about 4 hours, preferably 5-15 minutes;
  • the mixing is carried out by adding the lipid component to a solution of the nucleic acid/macromolecule/compound in a solution in an organic solvent;
  • the organic solvent comprises an alcohol, an ether, a benzene organic solvent, preferably chloroform, diethyl ether, methanol, or ethanol;
  • the aqueous solution is selected from the group consisting of an aqueous buffer, a saline solution, an aqueous solution of an organic solvent or water;
  • the herb body is a nano-particulate substance of a membrane structure, preferably a nano-particulate substance of a two-layer membrane structure;
  • intravenous administration such as bolus injection or by continuous perfusion for a period of time
  • subcutaneous, intramuscular, intraarterial, intraperitoneal, intrapulmonary, intracranial, intra-articular, synovial Internal, intrathecal, intralesional, or inhalation routes, such as intranasal, are usually administered intravenously or subcutaneously.
  • the Sphinganine (d22:0) is used in a 10 mg/ml chloroform solution.
  • the herb has a Zeta potential of less than 60 mV, less than 50 mV, less than 0, -80 to -20 or -60 to -20, and has an average particle diameter of 50-1000, 90-300 or 100-200 nm. .
  • fibronectin and/or alpha-SMA preferably protein expression of fibronectin in a TGF-beta1-induced MRC-5 cell fibrosis model
  • fibrosis preferably pulmonary fibrosis, preferably in a fibrosis model of TGF-beta1-induced MRC-5 cells and in a fibrosis model of bleomycin-induced mice;
  • IL-1beta, IL-6 and / or TNF-alpha preferably poly (I: C) induced IL-1beta, IL-6 and / or TNF-alpha in A549 cell model;
  • IL-1alpha decreases IL-1alpha, IL-1b, IL-2, IL-3, IL-4, IL-5, IL-6, IL-9, IL-10, IL-12 p40, IL-12 p70, Levels of IL-13, IL-17A, GM-CSF, IFN-gamma or MCP-1beta, preferably plasma levels, preferably in a mouse model of inflammation;
  • IL-1beta, IL-6 and / or TNF-alpha related diseases or for anti-inflammatory, preferably for the treatment of pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, Dermatitis, encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, pulmonary obstructive pulmonary obstructive pulmonary disease, atopic dermatitis, sickle cell disease, multiple sclerosis, Systemic lupus erythematosus, lupus nephritis, lung cancer, stomach cancer, colorectal cancer, liver cancer, pancreatic cancer, cervical cancer, breast cancer, leukemia, multiple myeloma, diabetes, and gout;
  • the herb reduces fibrosis-associated protein fibronectin and alpha-SMA expression, and/or decreases IL-1beta, IL-6 and/or TNF-alpha, preferably poly(I:C)-induced A549 Expression levels of IL-1beta, IL-6 and/or TNF-alpha in the cell model.
  • fibronectin and/or alpha-SMA preferably protein expression of fibronectin in a TGF-beta1-induced MRC-5 cell fibrosis model
  • fibrosis preferably pulmonary fibrosis, preferably in a fibrosis model of TGF-beta1-induced MRC-5 cells and in a fibrosis model of bleomycin-induced mice;
  • IL-1beta, IL-6 and / or TNF-alpha preferably poly (I: C) induced IL-1beta, IL-6 and / or TNF-alpha in A549 cell model;
  • IL-1alpha Decrease IL-1alpha, IL-1beta, IL-2, IL-3, IL-4, IL-5, IL-9, IL-10, IL-12 p40, IL-12 p70, IL-13, Levels of IL-17A, GM-CSF, IFN-gamma or MCP-1beta, preferably plasma levels, preferably in a mouse model of inflammation;
  • IL-1beta, IL-6 and / or TNF-alpha related diseases or for anti-inflammatory, preferably for the treatment of pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, Dermatitis, encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, pulmonary obstructive pulmonary obstructive pulmonary disease, atopic dermatitis, sickle cell disease, multiple sclerosis, Systemic lupus erythematosus, lupus nephritis, lung cancer, stomach cancer, colorectal cancer, liver cancer, pancreatic cancer, cervical cancer, breast cancer, leukemia, multiple myeloma, diabetes, and gout;
  • the herb reduces fibrosis-associated protein fibronectin and alpha-SMA expression, and/or decreases IL-1beta, IL-6 and/or TNF-alpha, preferably poly(I:C)-induced A549 Expression levels of IL-1beta, IL-6 and/or TNF-alpha in a cellular model;
  • the medicament is for oral, intravenous administration, such as bolus injection or by continuous perfusion for a period of time, by subcutaneous, intramuscular, intraarterial, intraperitoneal, intrapulmonary, intracranial, intra-articular, intrasynovial, Intrathecal, intralesional, or inhalation routes, such as intranasal, are usually administered intravenously or subcutaneously.
  • intravenous administration such as bolus injection or by continuous perfusion for a period of time
  • Intrathecal, intralesional, or inhalation routes such as intranasal, are usually administered intravenously or subcutaneously.
  • a method for facilitating nucleic acid delivery comprising heating or heating a nucleic acid and one or more lipids of Table 1 or Table 10, preferably Sphinganine (d22:0), preferably at a temperature range of heating or warming It is from about 4 ° C to about 100 ° C, from about 25 ° C to about 100 ° C, more preferably from about 50 ° C to about 100 ° C, more preferably from about 95 ° C to about 100 ° C, particularly preferably from about 80 ° C to about 100 ° C, such as 4 ° C , 37 ° C, 60 ° C, 80 ° C or 100 ° C, wherein preferably the nucleic acid is a small nucleic acid, preferably single stranded or double stranded, preferably the small nucleic acid is 14-32 bp, 16-28 bp in length or 18-24 bp, preferably any one or more of the small RNAs of Tables 8, 9 and 13, preferably PGY-sRNA-6 or H
  • nucleic acid comprises DNA and RNA, preferably RNA More preferably small RNA;
  • one or more of the compounds shown in Table 2 - Table 5 are mixed.
  • the method further comprising further mixing one or more compounds, one or more DNAs, and/or one or more macromolecules;
  • one or more compounds shown in Table 2 or 4 are mixed. a large molecule.
  • a method of promoting the formation of a body of a nucleic acid and a lipid comprising heating a mixture of a nucleic acid and a lipid to facilitate insertion into a lipid membrane, promoting stability of the lipid-nucleic acid complex, as determined by a critical micelle concentration;
  • the nucleic acid is inserted into the lipid layer or encapsulated by the lipid layer to form the herb body, which is a nano-particulate substance of a membrane structure, preferably a nano-particulate substance having a two-layer membrane structure;
  • the heating temperature is from about 0 ° C to about 100 ° C, more preferably from about 50 ° C to about 100 ° C, and more preferably from about 80 ° C to 100 ° C, particularly preferably from about 80 ° C to about 90 ° C, preferably 90 ° C;
  • the heating time is from about 0 minutes to about 24 hours, from about 5 minutes to about 20 hours, from about 10 minutes to about 16 hours, from about 15 minutes to about 12 hours, from about 1 hour to about 8 hours, or about 2 hours. - about 4 hours, preferably 15 minutes;
  • the lipid is one or more lipids in Table 1 or Table 10, preferably Sphinganine (d22:0), or a lipid combination in Item 7; preferably, the nucleic acid is a small RNA, One or more small RNAs shown in Tables 8, 9 and 13 are preferred, preferably PGY-sRNA-6 or HJT-sRNA-m7.
  • a method of lipid delivery of a protein to a cell comprising heating the protein and the lipid, wherein preferably the heating temperature is from about 0 °C to about 100 °C, more preferably from about 50 °C to about 100 °C, and more preferably about 80 ° C to 100 ° C, particularly preferably from about 80 ° C to about 90 ° C, preferably 90 ° C;
  • the heating time is from about 0 minutes to about 24 hours, from about 5 minutes to about 20 hours, from about 10 minutes to about 16 hours, from about 15 minutes to about 12 hours, from about 1 hour to about 8 hours, or about 2 hours. - about 4 hours, preferably 6 hours;
  • the method for the lipid to deliver a protein to a cell comprises mixing a protein with a solution of an organic solvent of a lipid, then removing the organic solvent, and hydrating with an aqueous reagent;
  • the lipid is one or more lipids in Table 1 or Table 10, preferably sphinganine (d22:0) or PE (16:0/16:0) or PE (16:0/22: 1).
  • Decoctosome A nanoparticulate substance derived from a substance, such as a lipid, a protein, a nucleic acid, a compound, or a compound, derived from a thermostable exosome-like membrane structure in a vegetable decoction.
  • the decoction body may also be referred to as an active composition of a membrane structure, preferably an active composition prepared by the methods of the preceding embodiments 10-13.
  • a method of preparing a decoction body from a plant comprising the steps of:
  • the extract of the plant is preferably prepared by boiling the plant soaked in the solvent;
  • the boiling is high-fired for 15 to 45 minutes, preferably 20 to 30 minutes, preferably 30 minutes, and then simmer for 5-30 minutes, preferably 5-20 minutes, preferably 10 minutes;
  • the temperature of the strong fire is 90 ° C or higher, preferably 90 ° C - 2000 ° C, 90 ° C - 1500 ° C, 90 ° C - 1000 ° C, 90 ° C - 500 ° C, 90 ° C - 300 ° C, 90 ° C - 250 °C or 90 ° C -200 ° C;
  • the temperature of the simmer is 50 ° C or higher, preferably 50 ° C - 2000 ° C, 50 ° C - 1500 ° C, 50 ° C - 1000 ° C, 50 ° C - 500 ° C, 50 ° C - 300 ° C, 50 ° C - 250 ° C, 50 ° C - 200 ° C, 50 ° C - 100 ° C, 50 ° C - 80 ° C, 50 ° C - 70 ° C or 50 ° C - 60 ° C;
  • the aqueous solvent is selected from the group consisting of an aqueous buffer, a saline solution, an aqueous solution of an organic solvent or water;
  • the precipitate is resuspended in an aqueous solution, preferably an aqueous buffer, preferably a PBS buffer, more preferably a pH 7-9, preferably pH 7.4 PBS buffer to provide a decoction body, which is A nanoparticulate substance of a membrane structure, preferably a nanoparticulate substance of a two-layer membrane structure, the aqueous solution being selected from the group consisting of an aqueous buffer, a saline solution, an aqueous solution of an organic solvent or water.
  • the decoction body has an average particle diameter of 30 to 1,000 nm, preferably 80 to 300 nm, and has an absolute value of electric potential of 20 to 100 mV.
  • the decoction body has an average particle size peak of 30-300 nm, preferably 150-200 nm, and has a Zeta potential of -39 ⁇ 3 mV
  • the decoction body has an average particle diameter of 50-300 nm, preferably 150-210 nm, and has a Zeta potential of -37 ⁇ 2 mV;
  • the dandelion decoction body has an absolute range of potentials of 20-100 mV; the Rhodiola capsule has an absolute range of potentials of 20-100 mV.
  • decoction body prepared by the method of any one of clauses 10-13, wherein the decoction body is in a solid form or in a liquid form or a colloidal form, the decoction body comprising a membrane-structured nanoparticulate substance A nanoparticulate substance having a two-layer membrane structure is preferred.
  • the decoction body according to item 14 which comprises one or more lipid components, one or more compounds, one or more DNAs, one or more of those shown in Table 1 or Table 10. a macromolecule, and/or one or more RNAs;
  • the decoction body comprises one or more lipid components shown in Table 1 or Table 10, one or more compounds shown in Table 2 or 4, one of those shown in Table 3 or 5 or A plurality of compounds, one or more macromolecules as shown in Table 6 or 7, and/or one or more small RNAs as shown in Table 8, 9 or 13.
  • the deodorant body according to item 14 or 15 which is for oral administration, intravenous administration, such as bolus injection or by continuous perfusion for a period of time, by subcutaneous, intramuscular, intraarterial, intraperitoneal, intrapulmonary, brain Compositions for intra- or intra-articular, intra-synovial, intrathecal, intralesional, or inhalation routes, such as the nose, typically administered intravenously or subcutaneously.
  • fibronectin expression preferably protein expression of fibronectin in a TGF-beta1-induced MRC-5 cell fibrosis model
  • IL-1beta, IL-6 and / or TNF-alpha preferably poly (I: C) induced IL-1beta, IL-6 and / or TNF-alpha in A549 cell model;
  • IL-1alpha Decrease IL-1alpha, IL-1beta, IL-2, IL-3, IL-4, IL-5, IL-9, IL-10, IL-12 p40, IL-12 p70, IL-13, Levels of IL-17A, GM-CSF, IFN-gamma or MCP-1beta, preferably plasma levels, preferably in a mouse model of inflammation;
  • IL-1beta, IL-6 and / or TNF-alpha related diseases or for anti-inflammatory, preferably for the treatment of pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, Dermatitis, encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, pulmonary obstructive pulmonary obstructive pulmonary disease, atopic dermatitis, sickle cell disease, multiple sclerosis, Systemic lupus erythematosus, lupus nephritis, lung cancer, stomach cancer, colorectal cancer, liver cancer, pancreatic cancer, cervical cancer, breast cancer, leukemia, multiple myeloma, diabetes, and gout; and/or
  • fibronectin expression preferably protein expression of fibronectin in a TGF-beta1-induced MRC-5 cell fibrosis model
  • IL-1beta, IL-6 and / or TNF-alpha preferably poly (I: C) induced IL-1beta, IL-6 and / or TNF-alpha in A549 cell model;
  • IL-1alpha Decrease IL-1alpha, IL-1beta, IL-2, IL-3, IL-4, IL-5, IL-9, IL-10, IL-12 p40, IL-12 p70, IL-13, Levels of IL-17A, GM-CSF, IFN-gamma or MCP-1beta, preferably plasma levels, preferably in a mouse model of inflammation;
  • IL-1beta, IL-6 and / or TNF-alpha related diseases or for anti-inflammatory, preferably pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, dermatitis , encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, pulmonary fibrosis, chronic obstructive pulmonary disease, atopic dermatitis, sickle cell disease, multiple sclerosis, system Lupus erythematosus, lupus nephritis, lung cancer, stomach cancer, colorectal cancer, liver cancer, pancreatic cancer, cervical cancer, breast cancer, leukemia, multiple myeloma, diabetes and gout;
  • the medicament is for oral, intravenous administration, such as bolus injection or by continuous perfusion for a period of time, by subcutaneous, intramuscular, intraarterial, intraperitoneal, intrapulmonary, intracranial, intra-articular, intrasynovial, intrathecal Intralesional, or inhalation routes such as the nose, usually by intravenous or subcutaneous administration.
  • intravenous administration such as bolus injection or by continuous perfusion for a period of time
  • subcutaneous, intramuscular, intraarterial, intraperitoneal, intrapulmonary, intracranial, intra-articular, intrasynovial, intrathecal Intralesional, or inhalation routes such as the nose usually by intravenous or subcutaneous administration.
  • fibronectin expression preferably protein expression of fibronectin in a TGF-beta1-induced MRC-5 cell fibrosis model
  • IL-1beta, IL-6 and / or TNF-alpha preferably poly (I: C) induced IL-1beta, IL-6 and / or TNF-alpha in A549 cell model;
  • IL-1alpha Decrease IL-1alpha, IL-1beta, IL-2, IL-3, IL-4, IL-5, IL-9, IL-10, IL-12 p40, IL-12 p70, IL-13, Levels of IL-17A, GM-CSF, IFN-gamma or MCP-1beta, preferably plasma levels, preferably in a mouse model of inflammation;
  • the decoction body, herb, drug or composition described herein can be administered orally, intravenously, such as by bolus injection or by continuous infusion for a period of time, subcutaneously, intramuscularly, intraarterially, intraperitoneally.
  • Intrapulmonary, intracranial, intra-articular, intrasynovial, intrathecal, intralesional, or inhalation routes such as the nose, usually administered intravenously or subcutaneously.
  • the decoction body or herbaceous body described herein can be used to (1) reduce the expression of fibronectin and/or alpha-SMA, preferably a TGF-beta1-induced MRC-5 cell fibrosis model.
  • Protein expression of zonulin (2) reduction of hydroxyproline, preferably hydroxyproline in a pulmonary fibrosis model, preferably hydroxyproline in a mouse pulmonary fibrosis model; (3) for preventing or treating fiber Pulmonary fibrosis, preferably in a fibrosis model of TGF-beta1-induced MRC-5 cells and in a fibrosis model of bleomycin-induced mice; (4) reduction of IL-1beta, IL-6 and / Or TNF-alpha, preferably poly(I:C)-induced IL-1beta, IL-6 and/or TNF-alpha in A549 cell model; (5) decrease of IL-1alpha, IL-1beta, IL-2, IL- 3.
  • IL-4, IL-5, IL-9, IL-10, IL-12 p40, IL-12 p70, IL-13, IL-17A, GM-CSF, IFN-gamma or MCP-1beta Preferably plasma levels, preferably in a mouse inflammatory model; (6) either for the treatment of IL-1beta, IL-6 and/or TNF-alpha related diseases, or for anti-inflammatory; and (7) for efficient entry of small RNA into cells ; and / or (8) reduce the expression of RELA gene; can be used for the treatment of pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, dermatitis, encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, Pulmonary fibrosis chronic obstructive pulmonary
  • the nucleic acid is synthetic or purified and is selected from the group consisting of RNA and DNA, such as RNA and DNA selected from single or double stranded or partially double stranded.
  • the RNA is selected from the group consisting of: messenger RNA (mRNA), rRNA (ribosomal RNA), tRNA (transport RNA), heterogeneous nuclear RNA (hnRNA), small nuclear RNA (snRNA), nucleolar small RNA (snoRNA) Small cytoplasmic RNA, small RNA, transfer-messeng RNA (tmRNA), telomerase RNA and antisense RNA, preferably small RNA, preferably one or more small RNAs shown in Table 8, 9 or 13.
  • mRNA messenger RNA
  • rRNA ribosomal RNA
  • tRNA transport RNA
  • hnRNA heterogeneous nuclear RNA
  • snRNA small nuclear RNA
  • snoRNA nucleolar small RNA
  • Small cytoplasmic RNA small RNA
  • small RNA transfer-messeng RNA
  • tmRNA transfer-messeng RNA
  • telomerase RNA telomerase RNA
  • antisense RNA preferably small RNA
  • the DNA is selected from the group consisting of: complementary DNA (cDNA), chloroplast DNA, multicopy single stranded DNA (msDNA), mitochondrial DNA (mtDNA), and ribosomal DNA (rDNA).
  • cDNA complementary DNA
  • msDNA multicopy single stranded DNA
  • mtDNA mitochondrial DNA
  • rDNA ribosomal DNA
  • the compound is synthetic or purified, including small molecule drugs and/or one or more compounds as shown in Tables 2-5.
  • the macromolecule is synthetic or purified, selected from the group consisting of a protein or antibody or polysaccharide, and/or one or more macromolecules as shown in Table 6 or 7.
  • the protein is selected from the group consisting of an antibody, beta-lactoglobulin, albumin, erythropoietin (EPO), interferon, colony stimulating factor, and tissue plasminogen activator, and various marker proteins, such as green Fluorescent protein, red fluorescent protein, phycoerythrin, and the like.
  • the antibody is selected from the group consisting of: an antibody of the IgG, IgA, IgM, IgD or IgE class.
  • FIG. 1 Schematic diagram of the preparation process of the botanical decoction body.
  • HJT decoction reduces fibronectin protein expression in the TGF- ⁇ 1-induced MRC-5 cell fibrosis model.
  • FIG. 7 HJT decoction reduces fibronectin protein expression in the TGF- ⁇ 1-induced MRC-5 cell fibrosis model.
  • FIG. 8A-C PGY decoction reduced the relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ mRNA in poly(I:C)-induced A549 cell inflammatory models.
  • FIGS. 9A-C PGI decoction reduces the relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ mRNA in a poly(I:C)-induced A549 cell inflammatory model.
  • Figures 9D-E PGY decoction and decoction reduce the protein expression level of IL-6 in the A549 cell inflammatory model.
  • Figure 9F Digestion results of RNase A and DNase I of HJT decoction RNA.
  • Figure 9G Digestion results of RNase A and DNase I of PGY decoction RNA.
  • Control MX and HJT decoctions ameliorated the results of horseshoe staining in a mouse pulmonary fibrosis model.
  • Control PATH and HJT decoctions alleviate pathological findings in a mouse pulmonary fibrosis model.
  • Figure 14A-B Results of detection of cytokine expression in plasma in a mouse model of inflammation in control of cabbage and PGY decoction.
  • Figure 22 Small RNA length distribution in the PGY decoction body.
  • FIG. 23 Schematic diagram of the preparation process of the herb.
  • Figure 24 RT-PCR detection of relative expression of HJT-sRNA-m7.
  • FIG. 25 Flow cytometry detects the entry of HJT-sRNA-m7.
  • Figure 26 Cell confocal assay to detect entry of Cy5-labeled HJT-sRNA-m7.
  • Figure 27 Western blotting assay to detect the expression of fibronectin-associated protein fibronectin and alpha-matrix ( ⁇ -SMA) after addition of Sphinganine-HJT-sRNA-m7.
  • RT-PCR assay detects that different PGY small RNAs reduce the relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ in an A549 cell inflammatory model.
  • Figure 29A-C RT-PCR detection of transfection of PGY-sRNA-6 reduced the relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ after poly(I:C) stimulation of A549 cells.
  • Figure 30A-C RT-PCR detection of transfection of PGY-sRNA-6 reduced relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ after poly(I:C)-stimulated PBMC cells.
  • Figure 31 RT-PCR detection of transfection of PGY-sRNA-6 reduced relative expression of the RELA gene in poly(I:C)-stimulated A549 cells.
  • Dual fluorescent reporter gene detection RELA is a target gene for PGY-sRNA-6.
  • RT-PCR detects the relative uptake of PGY-sRNA-6.
  • FIG. 35 Flow cytometry detects the entry of PGY-sRNA-6.
  • FIG. 36 Cell confocal assay detects the entry of Cy3-labeled PGY-sRNA-6.
  • FIG. 37A-C RT-PCR detection of Sphinganine-PGY-sRNA-6 reduced the relative expression of IL-1 ⁇ /IL-6/TNF- ⁇ mRNA in poly(I:C)-stimulated A549 cells.
  • Figure 38 Dual fluorescence reporter assay for relative fluorescence intensity after addition of Sphinganine-PGY-sRNA-6.
  • Figure 39 Sphinganine-HJT-sRNA-m7 alleviates pathological findings in a mouse model of pulmonary fibrosis.
  • Figure 40 Sphinganine-HJT-sRNA-m7 alleviates the results of horseshoe staining in a mouse model of pulmonary fibrosis.
  • Figure 41 Sphinganine-HJT-sRNA-m7 alleviates the statistical results of horseshoe staining in a mouse model of pulmonary fibrosis.
  • Figure 42A-G Sphinganine-PGY-sRNA-6 reduces the detection of cytokine expression levels in plasma of a mouse inflammatory model.
  • Figure 43 Dependence on surfactant concentration by measuring the fluorescence emission intensity of 1,6-diphenyl 1,3,5-hexatriene (DPH), showing the critical micelle concentration of only small RNA and only Sphinganine ( Cmc) value.
  • DPH 1,6-diphenyl 1,3,5-hexatriene
  • Figure 44A-D CMC properties of the herbaceous sphinganine (So(d22:0)) + 200 nM or 600 nM sRNA in the case of heat treatment and unheated treatment.
  • Figure 45 Comparison of static light scattering intensities of water, So (d22:0), So (d22:0) + 200 nM, 400 nM or 600 nM sRNA.
  • Figure 46 Comparison of the zeta potential of So(d22:0), So(d22:0)+200nM, 400nM or 600nM sRNA.
  • Figures 47C-D Transmission electron microscopy of So(d22:0) and So(d22:0)+600nM sRNA.
  • Figure 48 Different classes of lipid combinations deliver single-stranded nucleic acids into MRC-5.
  • Figure 49A-B Lipid combination delivers single-stranded nucleic acids into MRC-5 or Caco-2 cells.
  • Figure 50 Lipid combination delivers single-stranded nucleic acids into cells.
  • Figure 51 Lipid combination delivers single-stranded nucleic acids into cells.
  • FIG. 52 Lipid combination delivers single-stranded nucleic acids into cells.
  • FIG. 53 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • Figure 54 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • FIG. 55 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • FIG. 56 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • Figure 58 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • FIG. 60 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • FIG. 61 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • Figure 62 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • Figure 63 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • FIG. 64 Lipid combination delivers single-stranded nucleic acids into A549 cells.
  • Figure 65 Lipid combination delivery of double stranded nucleic acids into MRC-5 cells.
  • Figure 66 Lipid combination delivery of double stranded nucleic acids into MRC-5 cells.
  • Figure 67 Lipid combination delivers double stranded nucleic acid into A549 cells.
  • Figure 68 Lipid combination delivers double stranded nucleic acid into A549 cells.
  • Figure 69 Lipid combination delivers double-stranded nucleic acids into A549 cells.
  • Figure 70 Lipid combination delivers double stranded nucleic acid into A549 cells.
  • Figure 71 Lipid combination delivery of double-stranded nucleic acids into A549 cells.
  • Figure 72 Lipid combination delivers double stranded nucleic acid into A549 cells.
  • Figure 73 Lipid combination delivery of double stranded nucleic acids into A549 cells.
  • Figure 74 Lipid combination delivers double stranded nucleic acid into A549 cells.
  • Figure 75 Lipid combination delivery of double stranded nucleic acid into MRC-5 cells.
  • Figure 76 Lipid combination delivery of double stranded nucleic acids into MRC-5 cells.
  • Figure 77 Lipid combination delivery of double stranded nucleic acid into MRC-5 cells.
  • Figure 78 Lipid combination delivers double stranded nucleic acid into MRC-5 cells.
  • Figure 79 Lipid combination delivery of double stranded nucleic acid into MRC-5 cells.
  • Figure 80 Lipid combination delivery of double stranded nucleic acids into MRC-5 cells.
  • Figure 81 Lipid combination delivery of double stranded nucleic acids into MRC-5 cells.
  • Figure 82 Lipid combination promotes entry of nucleic acids into the lungs through the digestive tract.
  • the lipid mixture mediates XRN2 siRNA entry into A549 cells to inhibit gene expression (boiled).
  • the lipid mixture can effectively deliver nucleic acids into cells to function.
  • PE No. 38
  • LPC LPC
  • the anti-fibrotic small RNA HJT-sRNA-3, HJT-sRNA-a2, HJT-sRNA-h3, and HJT-sRNA-m7 are introduced into MRC-5 cells (boiled method).
  • Lipid 41 delivers double-stranded RNA into A549 cells by different methods of preparation (either boiled or reverse evaporation).
  • Lipid 41 delivers double-stranded RNA into MRC-5 cells by various methods of preparation (either boiled or reverse evaporation).
  • Lipid 41 delivers single-stranded RNA into A549 and MRC-5 cells by boiling.
  • Figure 111 Digital PCR (ddPCR) technology detects lipid delivery nucleic acid efficiency.
  • Figure 112 Flow cytometry detects lipid delivery nucleic acid efficiency.
  • Figure 113 Confocal fluorescence microscopy to observe the localization of lipid delivery nucleic acids in cells.
  • Figure 114 The efficiency of the Western Blotting assay for detecting lipid delivery nucleic acids.
  • Figure 115 Lipid monomer No. 41 mediates anti-fibrotic HJT-sRNA-m7 entry into MRC-5 cells (boiled).
  • Lipid 38 delivers double-stranded RNA into A549 cells and MRC-5 cells by boiling.
  • Lipid 38 delivers single-stranded RNA into A549 cells and MRC-5 cells by boiling.
  • Figure 125 Digital PCR (ddPCR) technology detects lipid delivery nucleic acid efficiency.
  • Figure 126 Flow cytometry detects lipid delivery nucleic acid efficiency.
  • Figure 127 Confocal fluorescence microscopy to observe the localization of lipid delivery nucleic acids in cells.
  • Lipid 64 delivers double-stranded RNA into A549 cells by different methods of preparation (either boiled or reverse evaporation).
  • Figure 129 Flow cytometry detects lipid delivery nucleic acid efficiency.
  • Figure 130 Confocal fluorescence microscopy to observe the localization of lipid delivery nucleic acids in cells.
  • Figure 131 Effect of delivery of lipid 40 in boiling and reverse evaporation methods.
  • Figure 132 Digital PCR (ddPCR) technology detects lipid delivery nucleic acid efficiency.
  • Figure 133 Confocal fluorescence microscopy to observe the localization of lipid delivery nucleic acids in cells.
  • Figure 134 Western Blotting assay for the efficiency of lipid delivery of nucleic acids.
  • Lipid 37 delivers single-stranded RNA into A549 cells and MRC-5 cells by boiling.
  • Lipid 39 delivers double-stranded RNA into A549 cells by different methods of preparation (either boiled or reverse evaporation).
  • Figure 137 Digital PCR (ddPCR) technology detects lipid delivery nucleic acid efficiency.
  • Lipid 60 delivers double-stranded RNA into A549 cells by various methods of preparation (either boiled or reverse evaporation).
  • Lipid 62 delivers double-stranded RNA into A549 cells by different methods of preparation (either boiled or reverse evaporation).
  • Lipid 41 promotes the entry of small RNA into the bloodstream, protecting it from degradation in the blood.
  • Figure 141 Lipid 41 promotes the entry of small RNA into the stomach cells, protecting them from degradation in the stomach.
  • Figure 142 Lipid 41 promotes the entry of small RNA into the small intestine cells, protecting them from degradation in the small intestine.
  • Lipid 41 promotes the entry of small RNA into the liver, protecting it from degradation in the liver.
  • PE monomer No. 38
  • Figure 144 PE monomer (No. 38) can effectively orally deliver sRNA single-stranded nucleic acids into mouse blood.
  • PE monomer No. 40
  • Figure 145 PE monomer (No. 40) can effectively orally deliver sRNA single-stranded nucleic acids into mouse blood.
  • PE monomer No. 64
  • Figure 146 PE monomer (No. 64) can effectively orally deliver sRNA single-stranded nucleic acids into mouse blood.
  • PE monomer (No. 71) is effective for oral delivery of sRNA single-stranded nucleic acids into mouse blood.
  • Figure 148 Lipids efficiently deliver single-stranded nucleic acids into MRC5 cells at different temperature gradients.
  • Figure 149A-D Flow cytometry assay for PE (16:0/22:1)-GFP (reverse volatilization) entry of GFP protein in A549 cells.
  • Figure 150A-H Flow cytometry detection of sphinganine (d22:0)-GFP (reverse volatilization and boiling) of GFP protein entry in A549 cells.
  • Figure 151A-D Flow cytometry assay for PE (16:0/16:0)-GFP (reverse volatilization) entry of GFP protein in A549 cells.
  • Figure 152 Flow cytometry detection of PE (16:0/22:1)-GFP (reverse volatilization) entry of GFP protein in A549 cells.
  • Figure 153 Fluorescence confocal microscopy was used to detect the entry of GFP protein in A549 cells by sphinganine (d22:0)-GFP (reverse volatilization).
  • Figure 154 Fluorescence confocal microscopy was used to detect the entry of GFP protein in A549 cells by PE (16:0/16:0)-GFP (reverse volatilization).
  • the decoction is heat processed and its main functional ingredients are definitely thermally stable.
  • Our research demonstrates for the first time that small RNAs are a new class of functional ingredients in decoctions.
  • the "decoction body” has been proved by comparison that "decoction body” has better disease treatment effect than decoction.
  • the "decoction body” has been confirmed as a new type of drug.
  • the single compound sphingosine can deliver botanical small RNA in mice when administered orally, thereby improving the symptoms of the disease.
  • the inventors have unexpectedly discovered that some botanicals (including Rhodiola, dandelion, andrographis, and honeysuckle) have some lipid components, and these botanical-derived lipids can promote nucleic acid such as small RNA absorption/entry.
  • the lipid component is synthetic.
  • lipid nucleic acid complexes that effectively promote cellular uptake and entry of nucleic acids, potentially improving the efficiency of clinical nucleic acid drug delivery.
  • lipid nucleic acid mixtures of the present application promote the efficiency of nucleic acid uptake and entry into cells on different cell lines, but there are differences in different cell lines, which opens up the possibility of drug targeted delivery.
  • nucleic acid delivery of such a lipid nucleic acid complex does not have sequence selectivity, and a nucleic acid fragment of a different sequence corresponding to a small RNA size (for example, about 20 bp) can be delivered.
  • lipid nucleic acid mixture formed by synthetic lipids can effectively promote the entry of exogenous nucleic acids into the cytoplasm.
  • the inventors have unexpectedly discovered that a mixture of lipid nucleic acids prepared by boiling or reverse evaporation can facilitate the entry of nucleic acids, such as RNA, into the bloodstream and into the target tissue via non-invasive (eg, digestive or respiratory and surface administration) routes. .
  • the lipids of the present application are capable of promoting the entry of nucleic acids, such as RNA, into cells and modulating (e.g., inhibiting) the expression of their target sequences, while not exhibiting such regulatory effects on non-target sequences, indicating their goals.
  • Specific regulation can be used as a means of delivery of nucleic acid drugs.
  • the technical solution of the present application can significantly improve the efficient targeted delivery of nucleic acid, and overcome the prior art, the nucleic acid liposome has low encapsulation efficiency, poor safety, poor stability, complicated preparation process, product inconsistency, and difficulty in reproduction. And the defects that the targeting needs to be further improved.
  • Decoctosome A nanoparticulate material derived from a substance, such as a lipid, a protein, a nucleic acid, a compound, or a compound, derived from a thermostable exosome-like membrane structure in a vegetable decoction.
  • the decoction body may also be referred to as an active composition of a membrane structure, preferably an active composition prepared by the method of the above items 10-13.
  • Bencaosome A manually prepared nanoparticulate material having a membrane structure.
  • the membrane structure comprises one or more lipid components characterized by chemical synthesis or chemical separation and purification, including but not limited to the lipids shown in Table 1 or Table 10 or 70% or more similar thereto.
  • Lipids (the lipid approximation is defined by the following method: having the same parent structure) with less than 5% impurity component; mixing the lipid with or/and with any one or more of the following: one or more nucleic acids, one One or more compounds, one or more macromolecules.
  • Herbs are nanoparticulate materials of membrane structure prepared by heating lipids and other materials, including one or more nucleic acids, one or more compounds, and/or one or more macromolecules.
  • the herbaceous body may also be referred to as an active composition of a membrane structure, preferably an active composition prepared by the method of the above items 1-2, 5-9 or 20-28.
  • the one or more lipid components may be synthetic or purified, including but not limited to the lipids shown in Table 1 or Table 10; the one or more nucleic acid components may be synthetic or purified, including but Not limited to the RNAs shown in Table 8, 9 or Table 13; the one or more compounds may be synthetic or purified, including but not limited to the compounds shown in Table 2 - Table 5; the one or more The macromolecular component may be synthetic or purified, including but not limited to the proteins shown in Table 6 or Table 7;
  • the reverse evaporation method described in the present application refers to adding an aqueous solution of a nucleic acid/macromolecule/compound to a lipid organic solvent solution, ultrasonically, steaming to remove an organic solvent, and hydrating to obtain a lipid and a nucleic acid/macromolecule/ a mixture of compounds.
  • the boiling method also referred to as heating method
  • the boiling method described in the present application refers to adding an organic solvent solution of a lipid to an aqueous solution of a nucleic acid/macromolecule/compound, and boiling at about 90 ° C for 15 minutes to obtain a lipid and a nucleic acid/macromolecule.
  • mixture of compounds the process is not limited to boiling water, but can also be achieved by other means of temperature rise or heating as is known in the art.
  • Reverse evaporation and boiling are carried out under controlled temperature and mixing conditions. Suitable processing times, and temperatures can be readily determined by one skilled in the art.
  • the temperature of the reverse evaporation method preferably ranges from about 25 ° C to about 70 ° C, more preferably from about 30 ° C to about 65 ° C, and still more preferably from about 40 ° C to about 60 ° C, especially about 55 ° C.
  • the boiling temperature range is preferably from about 0 ° C to about 100 ° C, more preferably from about 50 ° C to about 100 ° C, and still more preferably from about 70 ° C to about 90 ° C, particularly preferably from about 80 ° C to 90 ° C.
  • the nucleic acids described herein include synthetic and purified DNA and RNA, preferably RNA, more preferably small RNA, for example, the small RNA may be 14-32 bp, 16-28 bp, 18-24 bp in length, in particular, the length may be 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 bp.
  • lipid-nucleic acid/macromolecule/compound complexes that effectively promote cellular uptake and entry of nucleic acids, potentially improving the efficiency of clinical delivery of nucleic acid drugs.
  • lipid nucleic acid mixtures of the present application promote the efficiency of nucleic acid uptake and entry into cells on different cell lines, but there are differences in different cell lines, which opens up the possibility of drug targeted delivery.
  • nucleic acid delivery of such a lipid nucleic acid complex does not have sequence selectivity, and a nucleic acid fragment of a different sequence corresponding to a small RNA size (for example, about 20 bp) can be delivered.
  • lipid-nucleic acid mixture formed by synthetic lipids can effectively promote the entry of exogenous nucleic acids into the cytoplasm.
  • the inventors have unexpectedly discovered that a mixture of lipid nucleic acids prepared by boiling or reverse evaporation can facilitate the entry of nucleic acids, such as small RNAs, into the blood circulation and target tissues by non-invasive (eg, via the digestive tract or through the respiratory and surface administration) pathways. in.
  • the lipids of the present application are capable of promoting the entry of nucleic acids, such as small RNAs, into cells and modulating (e.g., inhibiting) the expression of their target sequences, while the non-target sequences do not exhibit such regulation, indicating that Target-specific regulation can be used as a delivery method for nucleic acid drugs.
  • the lipid compound of the present application is selected from the group consisting of lysolecithin, ceramide, diglyceride, phosphatidylethanolamine, phosphatidylcholine, triglyceride, monogalactosyldiglyceride, (neuro)sphingosine, phosphatidyl alcohol, Monoacylglycerol, fatty acid, platelet activating factor, or dimethylphosphatidylethanolamine.
  • the lipid is non-natural, such as synthetic, or produced by fermentation.
  • Synthetic or purified lipids can be used to deliver nucleic acids/macromolecules/compounds to target cells.
  • Lipids can be used to deliver nucleic acids/macromolecules/compounds into a subject in need thereof, into their blood circulation and/or target sites/cells.
  • the synthetic or purified lipid may be selected from phosphatidylcholine, for example, 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine (PC (18:0/18:2), ie, Table 1 No. 11 lipid), and 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (PC (16:0/18:2), the 12th lipid in Table 1) .
  • PC 1-stearoyl-2-oleoyl-sn-glycero-3-phosphocholine
  • PC (16:0/18:2) the 12th lipid in Table 1
  • These two phosphocholine (PC) are capable of efficiently encapsulating nucleic acids or promoting the entry of nucleic acids into cells.
  • the lipid may be the No. 41 lipid in Table 1, ie, dihydrosphingosine (d22:0), which is capable of efficiently encapsulating nucleic acids or promoting entry of nucleic acids into cells
  • the application provides a composition comprising a lipid and a nucleic acid, a macromolecule, a compound described herein, preferably the nucleic acid is a small RNA.
  • compositions may be formulated for non-invasive administration (e.g., topical administration) and/or injection, for example, for administration via the digestive tract, transgastric, and/or injection, such as oral, inhalation, and/or injection.
  • non-invasive administration e.g., topical administration
  • injection for example, for administration via the digestive tract, transgastric, and/or injection, such as oral, inhalation, and/or injection.
  • an invasive route of administration eg, administration by injection, including intramuscular, subcutaneous, intravenous, intraarterial, intraperitoneal, intra-target injection
  • non-invasive use is preferred. Route of administration.
  • the lipids and nucleic acids can be formulated as a mixture of lipid nucleic acids.
  • a method for preparing a plurality of different lipid nucleic acid mixtures has been widely disclosed, and a preparation scheme of a suitable lipid nucleic acid complex can be selected according to actual needs.
  • the present application provides a kit comprising the lipids and nucleic acids described herein, wherein the lipids and nucleic acids are each independently provided in a first container and a second container, the first container and the second container Can be the same or different.
  • the lipid and the nucleic acid are at least partially or fully formulated into a lipid nucleic acid complex just prior to use.
  • the application provides a method of delivering nucleic acids, macromolecules, compounds to target tissues/cells, wherein the nucleic acids, macromolecules, compounds are provided in the form of a pharmaceutical composition or kit combination as described herein.
  • the present application provides a method of delivering a nucleic acid, a macromolecule, a compound in vivo to a subject in need thereof, wherein the nucleic acid is provided in the form of a pharmaceutical composition or kit combination as described herein, for example, in vivo delivery of the nucleic acid Into the blood circulation of the subject or in the target tissue/cell, for example wherein the lipid and the nucleic acid are administered by non-invasive administration (eg, topical administration) and/or injection, eg, through the digestive tract, through the respiratory tract, and/or Or administration by injection, for example oral, inhalation and/or injection.
  • non-invasive administration eg, topical administration
  • injection eg, through the digestive tract, through the respiratory tract
  • injection eg, through the respiratory tract, and/or Or administration by injection, for example oral, inhalation and/or injection.
  • the present application provides a method of preventing and/or treating a disease/condition that can be prevented and/or treated with a decoction body and a herbal body, which comprises providing a pharmaceutical composition or a combination of the compositions described herein to a subject in need thereof.
  • lipid and the nucleic acid are administered by non-invasive administration (e.g., topical administration) and/or injection, for example, via the digestive tract, via the respiratory tract and/or injection, such as oral, inhalation, and/or injection.
  • non-invasive modes of administration eg, via the digestive tract, through the respiratory tract, including oral, gavage, inhalation, etc.
  • the application provides a method of preparing a pharmaceutical composition or combination of the foregoing, and the use of a pharmaceutical composition and/or kit combination for use in the methods described in the above aspects. Lipids, pharmaceutical compositions and/or kit combinations for use in the various methods described above are also provided.
  • the nucleic acid may be a small RNA, for example, the small RNA may be 14-32 bp, 16-28 bp, 18-24 bp in length, and specifically, the length may be 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 bp.
  • the small RNAs described herein may be single-stranded, for example, linked by a stem-loop structure, or may be double-stranded.
  • the nucleic acid described herein can be HJT-sRNA-m7 having the sequence: ugagguagua gguugugugg uuguaagc.
  • compositions or kit combinations or compounds of the present application can be used to treat diseases such as cancer, such as gastric cancer, lung cancer, colorectal cancer, liver cancer, pancreatic cancer, cervical cancer, breast cancer, leukemia, multiple myeloma; for example, inflammation, for example Pneumonia, myocarditis, acute and chronic gastritis, acute and chronic enteritis, acute and chronic hepatitis, acute and chronic nephritis, dermatitis, encephalitis, lymphitis, conjunctivitis, keratitis, iridocyclitis, otitis media, allergic rhinitis, asthma, lung fiber Chronic obstructive pulmonary disease, atopic dermatitis, sickle cell disease, multiple sclerosis, systemic lupus erythematosus, lupus nephritis; and fibrosis.
  • diseases such as cancer, such as gastric cancer, lung cancer, colorectal cancer, liver cancer, pancre
  • compositions or kit combinations or compounds of the present application can be used for treatment in vitro or in vivo, for example, inhibition of growth of NCI-N87 cells (gastric cancer cells), MRC-5 cells (lung fibroblasts), A549 cells (lung cancer cells). .
  • a lipid nucleic acid mixture can be obtained in a variety of ways, such as a reverse evaporation process or a boiled process.
  • a reverse evaporation method an aqueous solution of the nucleic acid is added to the lipid organic solvent solution, ultrasonically, and steamed to remove the organic solvent, and then hydrated to obtain a mixture of the lipid and the nucleic acid.
  • the boiled method described in the present application means that an organic solvent solution of a lipid is added to an aqueous solution of a nucleic acid, and boiled at about 100 ° C for 30 minutes to obtain a mixture of a lipid and a nucleic acid.
  • Reverse evaporation and boiling are carried out under controlled temperature and mixing conditions. Suitable processing times and temperatures can be readily determined by one skilled in the art.
  • the temperature of the reverse evaporation method preferably ranges from about 25 ° C to about 70 ° C, more preferably from about 30 ° C to about 65 ° C, more preferably from about 40 ° C to about 60 ° C, particularly preferably about 55 ° C.
  • the temperature of the boiling (also referred to as heating) is preferably from about 25 ° C to about 100 ° C, more preferably from about 50 ° C to about 100 ° C, more preferably from about 70 ° C to about 90 ° C, particularly preferably about 90 ° C.
  • the precipitate obtained in Section 1.2 was resuspended in double distilled water to obtain a decoction solution.
  • Milli-Q water Milli-Q water, Non-powder gloves, Face mask, Hat, 10 ⁇ l and 200 ⁇ l tips (eppendorf), acetonitrile (Fisher A/0626/17), methanol (Fisher), sodium thiosulfate pentahydrate (Sodium thiosulfate pentahydrate) Sigma), Potassium ferricyanide (Sigma), Dithiothreitol (PlusOne), Iodoacetamide (Sigma), Trypsin (Promega V5280), trypsin weight Trypsin resolve solution (Promega V530), Ammonium bicarbonate (Sigma A6141), Zip Tip (Millipore), FA (Sigma), 0.2 ml and 0.5 ml EP tube (eppendorf), 50 ml EP, 15 ml EP (Corning).
  • sample lysate 9M urea, 4% CHAPS, 1% IPG Buffer, 1% DTT
  • trypsin diluted with 25 mmol/L NH 4 HCO 3
  • trypsin solution diluted with 25 mmol/L NH 4 HCO 3
  • incubate in a refrigerator at 4 ° C for 40 min, and add 5 to each tube after removal.
  • 10 ⁇ L of 25 mmol/L NH 4 HCO 3 solution sealed and placed in a 37 ° C water bath for digestion for 16 h.
  • the peptide was dissolved in the sample solution (0.1% formic acid, 2% acetonitrile), vortexed thoroughly, centrifuged at 13200 rpm for 10 minutes at 4 ° C, and the supernatant was transferred to a sample tube for mass spectrometry identification;
  • Mobile phase A 0.1% formic acid
  • Mobile phase B 0.1% formic acid, 80% ACN;
  • the original MS data file was processed and converted by MM File Conversion software to obtain the MGF format file. Then the database was searched by MAXQUANT for the uniprot-Viridiplantae database. The parameters were as follows:
  • Sequence (peptide amino acid sequence), number of corresponding proteins of #Proteins peptide segment #PSMs identified the number of peptides, Master Protein Accessions peptide corresponding protein ID, Theo.MH+[Da] peptide theoretical molecular weight.
  • UPLC mass spectrometry was coupled with LTQ-Orbitrap velos (Thermo Fisher Scientific, San Jose, CA, USA) mass spectrometry using electrospray ion source positive ion mode; sheath gas was nitrogen and auxiliary gas at flow rates of 45 arbitrary units and 10 arbitrary units; mass spectrometry scanning The range is 100–1000 m/z; the spray voltages are set to 4.2 KV; and the ion transfer tube temperature is 350 °C.
  • the data is obtained by high-resolution Fourier transform mode (FT) with a first-order resolution of 60,000; a secondary resolution of 15000; a second-level data-dependent analysis mode; a dynamic exclusion time of 15 s; Select HCD, the relevant parameters are set as follows: isolation width: 3 Da; collision energy: 20%, 40% and 60% according to different metabolites; activation time: 30ms.
  • FT Fourier transform mode
  • Raw data obtained by UPLC-LTQ orbitrap was processed using Waters' commercial analytics software progenesis QI (Version 2.0, Nonlinear Dynamics, UK) software.
  • the process includes peak alignment, peak identification and peak correction, and an output three-dimensional matrix, which consists of a spectral peak index variable consisting of retention time and accurate mass-to-charge ratio, sample name, and peak intensity/area.
  • the obtained data were used to screen variables with CV less than 30% according to the coefficient of variation (CV) of the quality control samples for subsequent multivariate statistical analysis.
  • the variable matrix was first imported into SIMCA-P software 14.0 (Umetrics AB, Umea, Sweden) for PCA analysis to visualize trends between groups.
  • the inter-group difference variable was screened by the VIP value obtained by the OPLS-DA model.
  • the variable with a VIP value greater than 1.5 was considered to be a significant difference between the groups and could be used as a potential marker for the candidate.
  • the identified differential variables were analyzed for metabolic pathways to analyze metabolic pathways that were highly correlated
  • the small RNA sequence needs to be matched to the genome of the botanical drug using the bowtie software to obtain a sequence that matches.
  • the shortest-length small RNA sequence and the sequence having the highest number of reads in human blood after taking the botanical drug (10 g, about 100 ml) are taken.
  • Lipids in Rhodiola decoction and dandelion decoction were extracted by Bligh & Dyer method (Bligh and Dyer, 1959). High performance liquid chromatography-secondary mass spectrometry analysis was completed by Shanghai Minxin Information Technology Co., Ltd.
  • Chromatographic conditions column temperature 45 ° C; flow rate 0.4 mL / min; binary gradient elution, 70% mobile phase A 2min; linear increase of at least 20min to 100% mobile phase B; 100% B 2min; 70% A 5min; Sample volume 4uL; anion mode mass spectrometry conditions: source injection voltage is 3.0kV; heating capillary temperature 300°C; sheath gas flow rate is 45Arb; auxiliary gas flow rate is 15Arb; scavenging flow rate is 1Arb; s-lens RF level is 30%; scanning range m/z 200-1,500; positive ion mode mass spectrometry conditions: source injection voltage is 2.5 kV; heated capillary temperature 350 ° C; sheath gas flow rate is 45 Arb; auxiliary gas flow rate is 10 Arb; scavenging flow rate is 1 Arb; s-lens RF level 60%; scanning range m/z 200-1,500;
  • LC-MS data was analyzed using Thermo SIEVE 2.1 Qualitative analysis software (Thermo Fisher Scientific, USA). Then, the data for each sample is homogenized to the total area, and all data with peak numbers [based on retention time and mass-to-charge ratio (m/z)], sample name, and uniform peak intensity are imported into SIMCA-P+ Processing and analysis were again carried out in 13.0 (Umetrics, Sweden).
  • the human embryonic lung fibroblast cell line MRC-5 and the human lung adenocarcinoma cell line A549 were purchased from the Cell Culture Center of Peking Union Medical College. The cells were all cultured in a 37 ° C, 5% CO 2 incubator. Among them, MRC-5 cells were cultured in EME medium (Gibco); A549 cells were cultured in Ham's F-12 medium (HyClone); each medium contained 10% fetal bovine serum and a certain proportion of antibiotics (penicillin 100U). /ml & streptomycin 100mg/ml).
  • Untreated group refers to untreated MRC-5 cells, which served as a blank control group.
  • TGF- ⁇ 1 stimulation group refers to MRC-5 cells treated with 3 ng/mL transforming growth factor TGF ⁇ 1 (Pepro Tech) for 72 hours, and this group served as a positive control group.
  • Water decoction test group refers to MRC-5 cells treated with 3ng/mL transforming growth factor TGF ⁇ 1 (Pepro Tech) for 72 hours, added to the control plant woody incense 24 hours in advance (MX, wood perfume decoction preparation method and red scene The preparation of Tianshui decoction was the same) and the water decoction of HJT was 300ug/ml (300ug of decoction was added per ml of culture solution, and the decoction was quantified by the amount of sediment after liquid extraction).
  • Untreated group refers to untreated MRC-5 cells, which served as a blank control group.
  • TGF- ⁇ 1 stimulation group refers to MRC-5 cells treated with 3 ng/mL transforming growth factor TGF ⁇ 1 (Pepro Tech) for 72 hours, and this group served as a positive control group.
  • Decoction test group refers to MRC-5 cells treated with 3ng/mL transforming growth factor TGF ⁇ 1 (Pepro Tech) for 72 hours, and added to the control plant MX and HJT decoction 50 ug/ml 24 hours in advance (per ml culture 50 ⁇ g of the decoction body was added to the liquid, and the amount of the precipitate was measured after the liquid was drained.
  • BCA reagent A and B (TIANGEN, #PA115) (50:1, v/v) are thoroughly mixed to prepare BCA working solution;
  • the absorbance is detected at 562 nm by an ultraviolet spectrophotometer (Synergy 4 multi-function microplate reader), and the protein concentration in the sample is calculated according to a standard curve;
  • Fibronectin antibody (sigma F7387)
  • RT-qPCR Real-time quantitative PCR
  • Untreated group refers to untreated A549 cells, which served as a blank control group.
  • Poly (I: C) stimulation group A549 cells treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) (P1530, Sigma-Aldrich) for 6 hours, and this group served as a positive control group.
  • Decoction test group refers to the addition of control plant cabbage (JXC) or dandelion (PGY) decoction (10ug/ml, 30ug/ml, 100ug/ml) in advance for 24 hours, 1 ⁇ g/mL double-stranded RNA virus mimics poly (I:C) treated A549 cells for 6 hours.
  • JXC control plant cabbage
  • PGY dandelion
  • Untreated group refers to untreated A549 cells, which served as a blank control group.
  • Poly (I: C) stimulation group A549 cells treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) (P1530, Sigma-Aldrich) for 6 hours, and this group served as a positive control group.
  • Decoction test group refers to A549 cells treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) (P1530, Sigma-Aldrich) for 6 hours, and added to control plant cabbage (JXC) 24 hours in advance.
  • the dandelion (PGY) decoction body preparation method is the same as the preparation method of Rhodiola capsule) 2ug/ml, 6ug/ml, 20ug/ml.
  • A.12 well plate cultured cells (about 1 ⁇ 10 6 cells/well), after adding the culture solution, add 1 mL of TRIzol lysate to each well, then place on ice. After all the samples are added to TRIzol, let stand for 5 min at room temperature. To make it fully lysed;
  • RNA samples were dissolved with 50 ⁇ L of RNase-free H2O, and the O.D value was used to quantify the RNA concentration.
  • RNA was reverse transcribed into cDNA by the High-Capacity cDNA Reverse Transcription Kits (Applied Biosystems, cat. no. 4368813).
  • the reverse transcription system was as follows: Total RNA extracted above (150 ng/ ⁇ L) 10 ⁇ L, 10X RT buffer 2.0 ⁇ L, 25X dNTP Mix (100 mM) 0.8 ⁇ L, RT random primer 2.0 ⁇ L, MultiScribeTM reverse transcriptase 1.0 ⁇ L, RNase inhibitor 1.0 ⁇ L (Invitrogen), nuclease-free H 2 O 3.2 ⁇ L, after transient centrifugation The reaction was carried out in a PCR apparatus under the following conditions: (1) 25 ° C, 10 min; (2) 37 ° C, 120 min; (3) 85 ° C, 5 min; (4) 4 ° C, the reaction was terminated. After the reaction, 20 ⁇ L of RNase-free ddH 2 O was added to make up the final volume to 40 ⁇ L.
  • the total volume of the qPCR reaction system was 10 ⁇ L, including: 5 ⁇ L of 2 ⁇ SYBR Green Master Mix, 0.5 ⁇ L of forward primer (10 ⁇ M), 0.5 ⁇ L of reverse primer (10 ⁇ M), 1 ⁇ L of cDNA obtained by reverse transcription, and 3 ⁇ L of RNase-free ddH 2 O.
  • the PCR reaction conditions were: 95 ° C, pre-denaturation for 5 min, and began to enter the PCR amplification cycle: (1) 95 ° C, 10 s; (2) 55 ° C, 10 s; (3) 72 ° C, 20s; a total of 40 cycles; the last 40 ° C for 10s to cool down.
  • Both the forward and reverse primers of the amplification reaction were designed and synthesized by Beijing Qingke Biotechnology Co., Ltd., primer sequence (internal reference gene UBC forward primer: CTGGAAGATGGTCGTACCCTG, internal reference gene UBC reverse primer: GGTCTTGCCAGTGAGTGTCT; target gene IL- 1 ⁇ forward primer: CTCGCCAGTGAAATGATGGCT: target gene IL-1 ⁇ reverse primer: GTCGGAGATTCGTAGCTGGAT; target gene IL-6 forward primer: GGTACATCCTCGACGGCATCT: target gene IL-6 reverse primer: GTGCCTCTTTGCTGCTTTCAC; target gene TNF- ⁇ forward primer: CTGCCCCAATCCCTTTATT : Target gene TNF- ⁇ reverse primer: CCCAATTCTCTTTTTGAGCC).
  • HEK293T cells were cultured in a 48-well plate after trypsinization for about 24 h, and then transfected with PGY-sRNA-6 and NC negative control (single-stranded NC sequence UUGUACUACACAAAAGUACUG) using the transfection reagent Lipofectamine RNAiMAX to a final concentration of 100 nM.
  • Transfection reagent Lipofectamine 2000 was transfected with 300 ng of wild-type psiCHECK2-3'-UTR (purchased from Promega, #C8201) and mutant psiCHECK2-3'-mUTR plasmid (biosynthesis, mutation sequence see Figure 32), transfection The expression level of the cell samples was measured at 48 h after the double luciferase reporter gene detection kit (Promega, #E1960).
  • Enzyme-linked immunostaining assay for detection of IL-6 protein expression levels in inflammatory models of dandelion decoction and decoction in poly(I:C)-stimulated A549 cells
  • Blank group refers to untreated A549 cells, and the culture supernatant was collected for protein content ELISA, and the group was used as a blank control group.
  • Poly(I:C) stimulation group refers to 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) (P1530, Sigma-Aldrich)-treated A549 cells for 6 hours, and the culture supernatant is taken for protein. Content ELISA test. This group served as a positive control group.
  • Decoction test group refers to the addition of control plant cabbage (JXC) or dandelion (PGY) decoction (10ug/ml, 30ug/ml, 100ug/ml) in advance for 24 hours, 1 ⁇ g/mL double-stranded RNA Virus mimics poly (I:C) treated A549 cells for 6 hours. The culture supernatant was collected for protein content ELISA.
  • 100 ug/ml decoction can reduce the expression of interleukin-6 in A549 cells induced by poly(I:C) stimulation.
  • Blank group refers to untreated A549 cells, which served as a blank control group.
  • Poly(I:C) stimulation group refers to 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) (P1530, Sigma-Aldrich)-treated A549 cells for 6 hours, and the culture supernatant is taken for protein. Content ELISA test. This group served as a positive control group.
  • Decoction test group refers to the addition of control plant cabbage (JXC) or dandelion (PGY) decoction (2ug/ml, 6ug/ml, 20ug/ml) in advance for 24 hours, 1 ⁇ g/mL double Stranded RNA virus mimics poly (I:C) treated A549 cells for 6 hours. The culture supernatant was collected for protein content ELISA.
  • the 20 ug/ml decoction body can significantly reduce the expression of interleukin-6 in A549 cells induced by poly(I:C) stimulation, and the effectiveness is significantly higher than that of the same dose of decoction.
  • small RNA is present in the Rhodiola soup body, about 25 bp.
  • small RNA is present in the dandelion decoction body, about 25 bp.
  • mice of 6-8 weeks old were purchased from Beijing Vitallihua and cultured under aseptic conditions in the Animal Experimental Center of Peking Union Medical College. All animal testing procedures follow the guidelines of the Government and Animal Care and Use Committee.
  • the model group was instilled with bleomycin (Beijing Hisun Pfizer Pharmaceutical Co., Ltd.) at a dose of 2.5 U/kg, and the control group was only instilled with saline.
  • the mice were sacrificed on day 21 and left and right lungs were collected for testing.
  • the poly(I:C) was dissolved in PBS under sterile conditions to prepare a stock solution concentration of 10 mg/mL. Each mouse was dosed with 500 ug poly (I:C) at 50 uL per tube. The model of acute lung injury was established by tracheal instillation. After 9 hours, the mice were sacrificed and blood and alveolar lavage fluid were collected for testing.
  • Control group This group was only instilled with normal saline as a Saline control group.
  • Bleomycin group refers to the tracheal instillation of bleomycin at a dose of 2.5 U/kg, and the left and right lungs of the mice were taken for detection after 21 days. This group served as a positive control group.
  • Muxiang decoction body experimental group refers to the 2.5U/kg dose tracheal instillation of bleomycin model, and the Mulberry Decoction source decoction body is administered by oral administration for three consecutive days at a dose of each mouse. 40 g of woody decoction source decoction (500 uL). After 21 days, the mice were examined for left and right lungs.
  • Rhodiola decoction agent experimental group refers to the 2.5U/kg dose tracheal instillation of bleomycin model, and the rhodiola decoction source decoction is given by three days in advance for three consecutive days. Mice 40 g of Rhodiola decoction source decoction (500 uL). After 21 days, the mice were examined for left and right lungs.
  • the collagen content of the mouse lung was determined using a hydroxyproline assay kit (#MAK008, Sigma Aldrich).
  • the right lung tissue of the mice was vacuum dried, weighed and then hydrolyzed with 6 M hydrochloric acid at 120 ° C for 3 hours, and the hydroxyproline content was determined according to the kit instructions.
  • the hydroxyproline content is expressed as " ⁇ g / right lung" unless otherwise stated.
  • A. Material Fresh tissue was fixed in 4% paraformaldehyde for more than 24 hours. Remove the tissue from the fixative in the fume hood, level the tissue of the target with a scalpel, and place the trimmed tissue and corresponding label in the dehydration box.
  • Dehydration The dehydration box is placed in a hanging basket and dehydrated by stepwise alcohol in a dehydrator. 75% alcohol 4h-85% alcohol 2h-90% alcohol 2h-95% alcohol 1h-anhydrous ethanol I 30min-anhydrous ethanol II 30min-alcohol benzene 5-10min-xylene I 5-10min-xylene II 5- 10 min-wax I 1h-wax II 1h-wax III 1 h.
  • Embedding The wax-impregnated tissue is embedded in an embedding machine. The melted wax is first placed in the embedding frame, and the tissue is taken out from the dehydration box before the wax is solidified, and placed in the embedding frame according to the requirements of the embedding surface and the corresponding label is attached. After cooling at -20 °, the wax is solidified and the wax block is taken out of the embedding frame and the wax block is trimmed.
  • the trimmed wax block was placed on a paraffin slicer and sliced to a thickness of 4 ⁇ m.
  • the slices were floated on a 40 °C warm water on a spreader to flatten the tissue, the tissue was picked up with a glass slide, and placed in a 60 ° C oven. After the water-baked dry wax is roasted, it is taken out and stored at room temperature for use.
  • Paraffin section dewaxed to water sequentially into sections of xylene I20min-xylene II 20min-anhydrous ethanol I10min-anhydrous ethanol II10min-95% alcohol 5min-90% alcohol 5min-80% alcohol 5min-70% alcohol 5 min - distilled water wash.
  • Hematoxylin stained nuclei sliced into Harris hematoxylin for 3-8 min, washed with tap water, 1% hydrochloric acid alcohol differentiated for several seconds, tap water rinse, 0.6% ammonia water returned to blue, rinsed with running water. If the cytoplasm has blue color, it can prolong the differentiation time.
  • Hematoxylin-stained nuclei Weigert's iron hematoxylin in the masson staining kit was stained for 5 min, washed with tap water, 1% hydrochloric acid alcohol was differentiated for several seconds, tap water was rinsed, and water was rinsed for several minutes to return to blue.
  • Li Chunhong staining In the masson staining kit, Lichun red acid magenta is dyed for 5-10 minutes, and distilled water is quickly rinsed.
  • Phosphomolybdic acid treatment The aqueous solution of phosphomolybdic acid in the masson staining kit is treated for about 3-5 minutes.
  • Control group This group was only instilled with normal saline as a saline control group.
  • Poly (I: C) group refers to the tracheal instillation of 500 ug poly (I: C) modeling, 9 hours after the collection of mouse alveolar lavage fluid and whole blood samples. This group served as a positive control group.
  • Cabbage (JXC) decoction test group refers to the continuous administration of cabbage soup source decoction in the form of continuous -72h, -48h, -24h, -3h, at a dose of 10mg of cabbage soup per mouse ( 500uL). Intravenous infusion of 500ug poly(I:C) stimulated the establishment of an inflammatory model. After modeling for 3 hours, 10 mg of cabbage soup (500 uL) was administered by gavage, and 500 ⁇ g of poly(I:C) was instilled for 9 hours. Liquid and whole blood samples.
  • dandelion decoction test group refers to the dose of 2.5 U / kg tracheal infusion poly (I: C) model, three days in advance for three consecutive days to give dandelion decoction source decoction 10mg (500uL).
  • the tracheal instillation 500ug poly(I:C) was used for modeling.
  • 10 mg of cabbage soup (500 uL) was administered by gavage.
  • 9 hours of modeling the mouse alveolar lavage fluid and whole blood samples were collected.
  • Bioplex experimental method detection of cytokine expression in mouse alveolar lavage fluid and plasma was performed using the Bioplex Mouse 23 Cytokine Detection Kit (Cat# M60009RDPD) according to the instructions. Two duplicate holes are set for the standard to improve the accuracy of the test results.
  • Lipid Sphinganine (d22:0) (AVANTI, #792079P) was purchased from Avanti Polar Lipids, USA, and stored in chloroform at a concentration of 10 mg/ml.
  • HJT-sRNA-m7 was purchased from Guangzhou Ruibo Biotechnology Co., Ltd.
  • PGY-sRNA-6 was purchased from Suzhou Jima Gene Co., Ltd., and the storage concentration was 20 ⁇ Mol.
  • RNA to lipid ratio 0.1 nmol to 20 ⁇ g, 0.2 nmol to 25 ⁇ g, 0.4 nmol to 200 ⁇ g, and thoroughly mixed to sufficiently disperse the components.
  • the dispersion system was heated in a 90 ° C water bath for 15 min to obtain a homogenous system of the herb.
  • the human embryonic lung fibroblast cell line MRC-5, human lung adenocarcinoma cell line A549, and human embryonic kidney cell line HEK293T were purchased from the Cell Culture Center of Peking Union Medical College. The cells were all cultured in a 37 ° C, 5% CO 2 incubator. Among them, MRC-5 cells were cultured in EME medium (Gibco); A549 and HEK-293T cells were cultured in Ham's F-12 medium (HyClone) and DMEM (Gibco), respectively, each containing 10% fetal Bovine serum and a certain proportion of antibiotics (penicillin 100 U/ml & streptomycin 100 mg/ml). The cells were cultured to logarithmic growth phase, and then plated into 12-well plates at a cell density of 6 ⁇ 10 5 /1 ml medium/well; overnight incubation at 37° C., after the cells were attached, follow-up experiments were performed.
  • EME medium Gibco
  • RT-qPCR Real-time quantitative PCR
  • Blank control group refers to untreated cells, and this group serves as a blank control group.
  • Free uptake group directly added HJT-sRNA-m7 or PGY-sRNA-6 solution (final concentration of 100 nM), the group served as a negative control group;
  • Herbaceous treatment group The lipid prepared in step 2 was added to the cells with a mixture of HJT-sRNA-m7 or PGY-sRNA-6, and the final concentration of HJT-sRNA-m7 or PGY-sRNA-6 was 100nM.
  • Reverse transcription of total RNA into cDNA Reverse transcription of sRNA into cDNA by the stem-loop method by High-Capacity cDNA Reverse Transcription Kits (Applied Biosystems, cat. no. 4368813)
  • the reverse transcription system was as follows: template RNA (150 ng/ ⁇ L) 10 ⁇ L, 10 ⁇ RT buffer 2.0 ⁇ L, 25 ⁇ dNTP Mix (100 mM) 0.8 ⁇ L, U6RT stem-loop primer 2.0 ⁇ L, HJT-sRNA-m7 RT stem-loop primer 2.0 ⁇ L (or PGY-sRNA-6 RT stem-loop primer 2.0 ⁇ L), MultiScribeTM reverse transcriptase 1.0 ⁇ L, RNase inhibitor 1.0 ⁇ L, nuclease-free H2O 1.2 ⁇ L, transient centrifugation, reaction in PCR, reaction conditions The following were: (1) 25 ° C, 10 min; (2) 37 ° C, 120 min; (3) 85 ° C, 5 min;
  • the stem-loop primer used in the reverse transcription process was synthesized by Beijing Qingke Xinye Biotechnology Co., Ltd. (U6 internal reference RT primer: GTCGTATCCAGTGCAGGGTCCGAGGTATTCGCACTGGATACGACAAA AATATG; HJT-sRNA-m7 RT stem-loop primer: GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACGCTTACAA). PGY-sRNA-6RT primer: GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACTCGGAC.
  • Quantitative PCR amplification reaction qPCR reaction system total volume 10 ⁇ L, including: 5 ⁇ L 2 ⁇ SYBR Green Master Mix, 0.5 ⁇ L forward primer (10 ⁇ M), 0.5 ⁇ L reverse primer (10 ⁇ M), 1 ⁇ L of reverse transcription cDNA, 3 ⁇ L of RNase-free dH2O.
  • the PCR reaction conditions were: 95 ° C, pre-denaturation for 5 min, and began to enter the PCR amplification cycle: (1) 95 ° C, 10 s; (2) 55 ° C, 10 s; (3) 72 ° C, 20s; a total of 40 cycles; the last 40 ° C for 10s to cool down.
  • the amplification reaction forward primer and reverse primer were designed and synthesized by Beijing Qingke Xinye Biotechnology Co., Ltd.
  • U6 forward primer GCGCGTCGTGAAGCGTTC
  • U6 reverse primer GTGCAGGGTCCGAGGT
  • HJT-sRNA-m7 forward primer TCCCGGTGAGGTAGTAGGTT
  • HJT-sRNA-m7 reverse primer GTGCACGCTCCGAGGT
  • PGY-sRNA-6 primer GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACTCGGAC.
  • Blank group refers to untreated cells, and this group serves as a blank control group.
  • Poly(I:C) treatment group A549 cells were treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) for 6 hours. This group served as a positive stimulation group.
  • So(d22:0)-NC group Add So(d22:0)-NC herb solution (final concentration 400nM), after incubation for 24h, add 1 ⁇ g/mL double-stranded RNA virus mimic poly (I: C) A549 cells were treated for 6 hours. This group served as a negative control group;
  • So(d22:0)-PGY-sRNA-6 herb treatment group The final concentration of the nucleic acid added to the cells in the So(d22:0)-PGY-sRNA-6 herb prepared in step 2 was 400 nM. After 24 hours of incubation, A549 cells were treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) for 6 hours.
  • 6.2.2.3 Cleavage the cells with TRIzol lysate, extract the total RNA, and detect the mRNA expression level of the relevant genes by RT-qPCR (SYBRGreen dye method). The specific steps are as follows:
  • RNA sample was dissolved with 50 ⁇ L of RNase-free H 2 O, and the O.D value was used to quantify the RNA concentration.
  • Reverse transcription of total RNA into cDNA Reverse transcription of total RNA into cDNA by High-Capacity cDNA Reverse Transcription Kits (Applied Biosystems, cat. no. 4368813), reverse transcription system as follows: template RNA (150ng / ⁇ L) 10 ⁇ L, 10X RT buffer 2.0 ⁇ L, 25X dNTP Mix (100mM) 0.8 ⁇ L, random primer (included in the kit) 2.0 ⁇ L, MultiScribeTM reverse transcriptase 1.0 ⁇ L, RNase inhibitor 1.0 ⁇ L, nuclease-free H2O 3.2 ⁇ L, after transient centrifugation, put into the PCR reactor reaction, the reaction conditions are as follows: (1) 25 ° C, 10 min; (2) 37 ° C, 120 min; (3) 85 ° C, 5 min; (4) 4 ° C, termination reaction . After the reaction, 20 ⁇ L of RNase-free ddH2O was added to make up the final volume to 40 ⁇ L.
  • Quantitative PCR amplification reaction qPCR reaction system total volume 10 ⁇ L, including: 5 ⁇ L 2 ⁇ SYBR Green Master Mix, 0.5 ⁇ L forward primer (10 ⁇ M), 0.5 ⁇ L reverse primer (10 ⁇ M), 1 ⁇ L of reverse transcription cDNA, 3 ⁇ L of RNase-free ddH2O.
  • the PCR reaction conditions were: 95 ° C, pre-denaturation for 5 min, and began to enter the PCR amplification cycle: (1) 95 ° C, 10 s; (2) 55 ° C, 10 s; (3) 72 ° C, 20 s A total of 40 cycles were performed; the last 40 ° C continued for 10 s to cool down.
  • Both the forward and reverse primers of the amplification reaction were designed and synthesized by Beijing Qingke Biotechnology Co., Ltd. The primer sequences are as described in Section 4.3.5 above.
  • Blank group refers to untreated cells, and this group serves as a blank control group.
  • TGF- ⁇ 1 treatment group MRC-5 cells were stimulated with a stimulant of 3 ng/mL transforming growth factor TGF- ⁇ 1, and cells were harvested 72 hours later, and the group was used as a positive stimulation group.
  • So(d22:0)-NC group Add So(d22:0)-NC herb solution (final concentration 400nM), after incubated for 24h, give stimulant 3ng/mL transforming growth factor TGF- ⁇ 1 to stimulate MRC -5 cells, cells were harvested after 72 h of action. , the group served as a negative control group;
  • So(d22:0)-HJT-sRNA-m7 herb treatment group The prepared So(d22:0)-HJT-sRNA-m7 herb was added to the cells (final concentration was 400 nM) and incubated for 24 hours.
  • the stimulant 3 ng/mL transforming growth factor TGF- ⁇ 1 was used to stimulate MRC-5 cells, and cells were harvested 72 hours later.
  • the stimulant 3 ng/mL transforming growth factor TGF- ⁇ 1 was used to stimulate MRC-5 cells. After 72 hours, the cells were lysed with strong RIPA lysate, and the lysate was collected for detection of related genes by Western blot. Protein expression level.
  • Blank group refers to untreated A549 cell supernatant, which is used as a blank control group.
  • Poly(I:C) treatment group A549 cells were treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) for 6 hours. This group served as a positive stimulation group.
  • So(d22:0)-NC group Add So(d22:0)-NC herb solution (final concentration 400nM), after incubation for 24h, add 1 ⁇ g/mL double-stranded RNA virus mimic poly (I: C) A549 cells were treated for 6 hours. The cell supernatant was collected and the group served as a negative control group;
  • So(d22:0)-PGY-sRNA-6 Herbaceous treatment group The final concentration of the prepared So(d22:0)-PGY-sRNA-6 herb was added to the cells at a final concentration of 400 nM. After 24 hours of incubation, A549 cells were treated with 1 ⁇ g/mL double-stranded RNA virus mimic poly(I:C) for 6 hours, and the cell supernatant was collected.
  • R&D's self-coated ELISA plate (kit: IL-1#DY201-05, IL-6#DY206-05, TNF- ⁇ #DY210-05, which includes Detection Antibody for related genes and Avidin-HRP), diluted Capture Antibody (IL-1, IL-6, TNF- ⁇ ) in PBS (according to the dilution ratio in the instructions), overnight coating at room temperature, about 16-18h;
  • Blocking After washing, add 300 ⁇ L blocking solution (PBS + 1% BSA), incubate for 1 h at room temperature;
  • IL-1, IL-6, TNF- ⁇ The corresponding standard (IL-1, IL-6, TNF- ⁇ ) must be prepared within 1 h. According to the instructions, the highest concentration should be prepared and diluted according to the concentration gradient of 1/2, diluted 7 times, and finally the eighth tube is added. The diluent is used as a 0 tube;
  • Washing the plate After washing for 1 hour, wash it 4 times with the washing solution;
  • Adding the sample Add the prepared standard to the left and right rows of the ELISA plate, add the sample to the other wells, and incubate for 2 hours at room temperature;
  • Absorbance measurements were taken within 30 min, 450 nm detection wavelength, and 570 nm reference wavelength.
  • Herbal preparation Prepared by boiling water heating method, 400 ⁇ L NC mimic (provided by Guangzhou Ruibo Biotechnology Co., Ltd.) or HJT-sRNA-m7 (10 nmol) double-stranded RNA DEPC aqueous solution, respectively, adding 10 ⁇ L of sphinganine (d22: 0) After the lipid was mixed, it was heated at 90 ° C for 30 min.
  • RNA 6-8 weeks old male C57 mice were intragastrically administered with RNA: a human body solution system of lipid and NC or HJT-sRNA-m7 was administered with a gavage needle, 400 ⁇ L/mouse, grouped as follows:
  • Saline control group refers to mice that are given only normal saline without any treatment
  • Bleomycin group refers to the tracheal instillation of bleomycin at a dose of 2.5 U/kg, and the left and right lungs of the mice were taken for detection after 21 days. This group served as a positive control group.
  • Lipid Sphinganine-NC group refers to the tracheal instillation of bleomycin at a dose of 2.5 U/kg, and the herb body composed of lipid Sphinganine-NC (0.1 mg: 5 nmol) was intragastrically administered three days in advance. After tracheal instillation of bleomycin, the same dose of the lipid Sphinganine-NC was applied to the 7-14 days, and the left and right lungs of the mice were collected for 21 days.
  • Lipid Sphinganine-HJT-sRNA-m7 group refers to the tracheal instillation of bleomycin at a dose of 2.5 U/kg, and administered lipid Sphinganine-HJT-sRNA-m7 (0.1 mg: 5 nmol) three consecutive days in advance. ) The composition of the body of the grass. After tracheal instillation of bleomycin, the same dose of the lipid Sphinganine-HJT-sRNA-m7 was applied to the 7-14 days, and the left and right lungs were collected for 21 days.
  • the collagen content of the mouse lung was determined using a hydroxyproline assay kit (#MAK008, Sigma Aldrich).
  • the right lung tissue of the mice was vacuum dried, weighed and then hydrolyzed with 6 M hydrochloric acid at 120 ° C for 3 hours, and the hydroxyproline content was determined according to the kit instructions.
  • the hydroxyproline content is expressed as " ⁇ g / right lung" unless otherwise stated.
  • the decoction of two botanicals of Rhodiola (HJT) and dandelion (PGY) was prepared according to the specific steps in Example 1, and then centrifuged by differential centrifugation. A decoction precipitate of two botanicals of HJT and PGY was obtained, and the dehydrated solution was precipitated in double distilled water and quantified to determine its characteristics. The results of fluoroscopy showed that the HJT decoction and the PGY decoction showed exosome-like nano-granules with the outermost bilayer membrane and uneven diameter, but most of the decoctions. The diameter of the body is concentrated between 100 nm and 200 nm.
  • the concentration of the decoction was 10 ⁇ g/ml, 30 ⁇ g/ml, 100 ⁇ g/ml, and the concentration of the PGY decoction was 2 ⁇ g/ml, 6 ⁇ g.
  • the function was verified in an inflammatory model of poly(I:C)-stimulated A549 cells.
  • the results are shown in Figures 8A-C and 9A-E. Both the PGY decoction and the PGY decoction can be effective compared with the decoction and decoction of the control cabbage (JXC) prepared by the same method. Reducing the relative expression of IL-1 ⁇ , IL-6, TNF- ⁇ mRNA in an inflammatory model of poly(I:C)-stimulated A549 cells.
  • the effective concentration of decoction is obviously higher than the effective concentration of the decoction.
  • Prove that the decoction may be a form of presence of a mixture of the main functions of the herb.
  • Control group This group was only instilled with normal saline as a Saline control group.
  • Bleomycin group refers to the tracheal instillation of bleomycin at a dose of 2.5 U/kg, and the left and right lungs of the mice were taken for detection after 21 days. This group served as a positive control group.
  • Muxiang decoction body control group refers to the dosage of 2.5 U/kg tracheal instillation of bleomycin, and the Mulhouse decoction source decoction is administered by oral administration for three consecutive days at a dose of each mouse. 40 g of woody decoction source decoction (500 uL). After 21 days, the mice were examined for left and right lungs.
  • Hongjingtian Decoction Control Group refers to the 2.5 U/kg dose tracheal instillation of bleomycin.
  • the rats were given the Rhodiola Decoction source for 3 days in advance, at a dose of each.
  • the results are shown in Figures 10-13.
  • the HJT decoction can effectively reduce the lung hydroxylity in the bleomycin-induced mouse fibrosis model compared to the same dose of the control MX decoction prepared in the same manner.
  • the level of proline ( Figure 10) effectively reduced the degree of pulmonary fibrosis in mice induced by bleomycin-induced fibrosis ( Figures 11 and 12), effectively reducing bleomycin-induced mice
  • the degree of pathological changes in the lungs of mice in the fibrosis model Fig. 13).
  • Control group This group was only instilled with normal saline as a saline control group.
  • Poly (I: C) group refers to the tracheal instillation of 500 ug poly (I: C) modeling, 9 hours after the collection of mouse alveolar lavage fluid and whole blood samples. This group served as a positive control group.
  • Cabbage (JXC) decoction control group refers to the continuous administration of cabbage soup source decoction in the form of continuous -72h, -48h, -24h, -3h, at a dose of 10mg of cabbage soup per mouse ( 500uL). Intravenous infusion of 500ug poly(I:C) stimulated the establishment of an inflammatory model. After modeling for 3 hours, 10 mg of cabbage soup (500 uL) was administered by gavage, and 500 ⁇ g of poly(I:C) was instilled for 9 hours. Liquid and whole blood samples.
  • dandelion decoction control group 10 mg (500 uL) of dandelion decoction source decoction was administered by oral administration for three consecutive days, and tracheal instillation of 500 ug poly (I: C) was used for modeling. 10mg dandelion decoction body (500uL), mouse alveolar lavage fluid and whole blood samples were collected after modeling for 9h.
  • the results are shown in Figures 14A-B.
  • the PGY decoction body can effectively reduce various plasmas in mouse plasma of poly(I:C)-induced mouse inflammation model compared with the same dose of control JXC decoction prepared by the same method.
  • the level of expression of cytokines The level of expression of cytokines.
  • Example 5 Identification of each component of a botanical drug body
  • Fig. 17 shows that a total of 36 types of compounds were found in the HJT decoction body.
  • Figure 18 shows that a total of 47 compounds were identified in the PGY decoction.
  • Figure 19 shows the identification of 38 proteins in the HJT decoction.
  • Figure 20 shows that 140 proteins were identified in the PGY decoction. And the simple classification of these proteins, the protein components in these identified decoction bodies are mainly related to metabolism, signal transduction, ubiquitination and transcription, and translation.
  • RNA sequencing analysis was performed by extracting RNA from the decoction body precipitate, and as shown in Fig. 21 and Fig. 22, the length of the small RNA in the HJT decoction body and the PGY decoction body was mainly distributed at 18 nt to 25 nt.
  • Table 8-9 shows the main information of the small RNA sequences in the HJT decoction and the PGY decoction. The presence of 80,573 small RNAs was identified in the HJT decoction, and 614,545 small RNAs were identified in the PGY decoction. presence.
  • the components in the decoction include lipids, compounds, proteins and small RNAs.
  • the herb is a manually prepared one or more synthetic lipids including, but not limited to, synthetic or extracted lipids, artificially expressed or engineered proteins, synthetic or purified nucleic acids (including DNA, RNA, A nanoparticulate material having a thermostable exosome-like membrane structure composed of a substance such as a small RNA), a synthetic or purified compound, or the like.
  • the present herb is a substance which is formed by artificially combining two or more active ingredients such as a lipid, a compound, a small RNA, and a protein, and heat-treating.
  • HJT-sRNA-m7 is in the TGF- ⁇ 1-induced fibrosis model of MRC-5 cells and in the fibrosis model of bleomycin-induced mice.
  • Very effective anti-fibrotic effect Du. et al., 2017.
  • HJT-sRNA-m7 was mixed a certain proportion of lipid Sphinganine with HJT-sRNA-m7 and heated to boil to form the body of Sphinganine-HJT-sRNA-m7.
  • RT-PCR was used to detect the relative expression of HJT-sRNA-m7 in MRC-5 cells.
  • Flow cytometry was used to detect the entry of HJT-sRNA-m7 in MRC-5 cells and the confocal experiment. Detection of the entry and distribution of Cy5-labeled HJT-sRNA-m7 in A549 cells demonstrated that the herbaceous body of Sphinganine-HJT-sRNA-m7 can efficiently enter HJT-sRNA-m7 into cells.
  • Figure 27 shows that Sphinganine-HJT-sRNA-m7 plays an anti-fibrotic role in the TGF- ⁇ 1-induced fibrosis model of MRC-5 cells, and Sphinganine-HJT-sRNA-m7 is effective in reducing fibrosis-associated protein fibronectin And the expression of ⁇ -SMA.
  • PGY-sRNA-1 ⁇ 20 small RNAs
  • Figure 28 shows that PGY-sRNA-6 is most effective in reducing the expression of IL-1 ⁇ , IL-6 and TNF- ⁇ in A549 cells in a poly(I:C)-induced A549 inflammatory model.
  • PGY-sRNA-6 was verified in poly(I:C)-stimulated A549 cells and PUMC cell inflammatory models, and Figures 29A-C and 30A-C show that PGY-sRNA-6 can effectively reduce poly(I:C) Relative expression of IL-1 ⁇ , IL-6 and TNF- ⁇ mRNA in stimulated A549 cells and PBMC cells. At the same time, bioinformatics analysis and dual fluorescence reporter gene detection methods were used. Figures 31 and 32 show that RELA (p65, Gene ID: 5970) is a direct target gene of PGY-sRNA-6.
  • FIG. 37A-C shows that Sphinganine-PGY-sRNA-6 exerts an anti-inflammatory effect in an inflammatory model of poly(I:C)-stimulated A549 cells, and Sphinganine-PGY-sRNA-6 is effective in reducing IL-1 ⁇ , IL in cells. Relative expression of -6 and TNF- ⁇ mRNA.
  • Figure 38 shows that Sphinganine-PGY-sRNA-6 is effective in reducing the expression of the 3'UTR of the PGY-sRNA-6 target gene RELA in HEK 293T cells.
  • the phage of Sphinganine-HJT-sRNA-m7 is shown in Figure 39-41.
  • Sphinganine-HJT-sRNA-m7 can effectively reduce the degree of lung disease in mice induced by bleomycin-induced fibrosis. 39) Effectively reduce the degree of pulmonary fibrosis in mice with bleomycin-induced fibrosis in mice (Fig. 40 and Fig. 41).
  • Example 7 The herb body formed by the combination of Sphinganine-PGY-sRNA-6 exerts an effective anti-inflammatory effect in an inflammatory model of mice.
  • Herbal preparation 500 ⁇ L of NC mimic or PGY-sRNA-6 (5nmol) single-stranded RNA DEPC was prepared by boiling water heating method, and 10 ⁇ L of sphinganine (d22:0) lipid was added and mixed, 90°C. Heat for 15 min.
  • mice of 6-8 weeks old Male C57 mice of 6-8 weeks old were given a solution of lipid and NC or PGY-sRNA-6 in a body solution of 500 ⁇ L/mouse with a gavage needle, grouped as follows:
  • Blank group refers to mice that do not do any treatment
  • Poly (I: C) group refers to a 500 ⁇ g dose of tracheal instillation poly (I: C) stimulation modeling, 9 hours after stimulation, mouse plasma was collected for cytokine detection. This group served as a positive control group.
  • Lipid Sphinganine-NC group refers to the composition of lipid Sphinganine (d22:0)-NC in the body at 48h, 24h, 3h, and then injected 500 ⁇ g dose of poly(I:C) to stimulate the model.
  • the lipid Sphinganine (d22:0)-NC herb was administered again 3 h after stimulation.
  • Mouse plasma was collected for cytokine detection after 9 hours of stimulation.
  • Lipid Sphinganine-PGY-sRNA-6 group refers to the application of lipid Sphinganine (d22:0)-HJT-sRNA-m7 to the herb body 48h, 24h, 3h in advance, tracheal infusion of 500 ⁇ g dose poly ( I: C) Stimulation modeling, and administration of lipid Sphinganine (d22:0)-PGY-sRNA-6 herbaceous body after 3 h of stimulation.
  • Mouse plasma was collected for cytokine detection after 9 hours of stimulation.
  • Kit BIO-Plex Pro Mouse Cytokines Standard 23-Plex, Group I kit (# 60009RDPD, BIO-RAD) Plasma levels of expression of cytokines in mice.
  • Example 8 Detecting the physical and chemical properties of the herb body in different ways
  • CMC Critical micelle concentration
  • DPH 1,6-diphenyl-1,3,5-hexatriene
  • 2 sRNA group 50 ⁇ L of DPH solution was added to each well of a black 96-well plate to 50 ⁇ L of sRNA solution, and the DPH fluorescence was detected after incubation at room temperature for 1 hour in the dark.
  • Herb group 50 ⁇ L of DPH solution was added to each well of black 96-well plate to 50 ⁇ L of the herb solution, and the DPH fluorescence was detected after incubation at room temperature for 1 hour in the dark.
  • D unheated So(d22:0)-HJT-sRNA-m7 600nM
  • Herb group 50 ⁇ L DPH solution was added to each well of black 96-well plate to 50 ⁇ L So(d22:0)-HJT-sRNA prepared by direct mixing.
  • -m7 600 nM
  • DPH fluorescence was detected after incubation at room temperature for 1 hour in the dark.
  • the small and medium RNA of the herb body may exist in the form of embedded lipid membrane, and the heating may promote the stability of the process of inserting the small and medium RNA into the lipid membrane of the herb.
  • RNA solution 100 ⁇ l of RNA solution (2 ⁇ M, 4 ⁇ M, 6 ⁇ M) was added to each 30 ug of lipid, and the mixture was thoroughly mixed and heated in a 90-degree water bath for 15 minutes. Dilute to 1 ml with ddH2O during the measurement.
  • Particle size measurement 1 ml system was transferred to a cuvette and measured using a Zetasizer Nano ZS90 (Malvern Instrument, UK) instrument. The temperature is measured at 25 degrees.
  • Particle size measurement 1 ml system was transferred to a cuvette and measured using a Zetasizer Nano ZS90 (Malvern Instrument, UK) instrument. The temperature is measured at 25 degrees.
  • the geometric distribution of the herb is shown in Figure 45, the zeta potential results are shown in Figure 46, and the particle size distribution is shown in Figures 47A-47D.
  • the grass has a particle size distribution of about 100 nm, a static light scattering intensity of 50-120 kcps, a zeta potential of less than 60 mV, and an absolute value of more than 20 mV.
  • the herb body was prepared by reverse volatilization of diethyl ether. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 1 ug, 3 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM to obtain medicinal herb. Body solution. Then, the herb was added to A549 cells and incubated for 6 hours. The samples were collected and washed three times with PBS. After digestion with trypsin for three minutes, trypsin was removed, washed with PBS and then blown off. use C6 instrument determination.
  • the efficiency of green fluorescent protein to enter A549 cells was 3.6%, and the efficiency of 10ug/mL lipid 40 delivering green fluorescent protein into A549 cells was 7.2%, and the efficiency of 30ug/mL lipid 41 delivering green fluorescent protein into A549 cells It is 9.1% and the lipid delivery efficiency is higher. Lipid 40 can deliver proteins into A549 cells.
  • the herb body was prepared by reverse volatilization. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 1 ug, 3 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM to obtain medicinal herb. Body solution. Then, the herb was added to A549 cells and incubated for 6 hours. The samples were collected and washed three times with PBS. After digestion with trypsin for three minutes, trypsin was removed, washed with PBS and then blown off. use C6 instrument determination.
  • the efficiency of green fluorescent protein freely entering A549 cells was 3.6%, and the efficiency of 10 ug/mL lipid 41 delivering green fluorescent protein into A549 cells was 23.4%, and 30 ug/mL lipid 41 delivered green fluorescent protein into A549 cells. It is 26.6% and the lipid delivery efficiency is higher. Lipid 41 efficiently delivers proteins into A549 cells.
  • the herb body was prepared by heating.
  • the green fluorescent protein 0.2 nmol was dissolved in 100 ul of water, and the lipid containing 0 uL, 1 uL, and 3 uL was separately added, and the mixture was thoroughly mixed, and heated at 90 degrees for 15 minutes to obtain a herb solution. Then, the herb was added to A549 cells and incubated for 6 hours. The samples were collected and washed three times with PBS. After digestion with trypsin for three minutes, trypsin was removed, washed with PBS and then blown off. use C6 instrument determination.
  • the efficiency of green fluorescent protein freely entering A549 cells was 3.6%
  • the efficiency of 10ug/mL lipid 41 delivering green fluorescent protein into A549 cells was 5.5%
  • the efficiency of 30ug/mL lipid 41 delivering green fluorescent protein into A549 cells It is 9.5% and the lipid delivery efficiency is higher.
  • Lipid 41 efficiently delivers proteins into A549 cells.
  • the herb body was prepared by reverse volatilization. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 1 ug, 3 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM to obtain medicinal herb. Body solution. Then, the herb was added to A549 cells and incubated for 6 hours. The samples were collected and washed three times with PBS. After digestion with trypsin for three minutes, trypsin was removed, washed with PBS and then blown off. use C6 instrument determination.
  • the efficiency of green fluorescent protein freely entering A549 cells was 3.6%, and the efficiency of 10ug/mL lipid 71 delivering green fluorescent protein into A549 cells was 7.1%, and the efficiency of 30ug/mL lipid 41 delivering green fluorescent protein into A549 cells It is 9.1% and the lipid delivery efficiency is higher. Lipid 71 efficiently delivers proteins into A549 cells.
  • the herb body was prepared by reverse volatilization. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 0.25 ug, 0.75 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM. The herb solution is obtained. After the herb was added to A549 cells, the cells were incubated for 6 hours. The samples were collected and washed three times with PBS, fixed with 4% paraformaldehyde, and washed three times with PBS. Alexa The cells were stained with 488 phalloidin for 30 min, washed three times with PBS, stained with Dapi for 5 min, washed with PBS, and observed after sealing.
  • the herb body was prepared by reverse volatilization. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 0.25 ug, 0.75 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM. The herb solution is obtained. After the herb was added to A549 cells, the cells were incubated for 6 hours. The samples were collected and washed three times with PBS, fixed with 4% paraformaldehyde, and washed three times with PBS. Alexa 488 phalloidin staining for 30 min, PBS washing three times, Dapi staining for 5 min, PBS washing, and then sealing.
  • the herb body was prepared by reverse volatilization. 0.2 nmol of green fluorescent protein was dissolved in 20 ul of water, and 100 ul of lipid ether solution containing 0 ug, 0.25 ug, 0.75 ug was added, mixed well, sonicated for 3 min, volatile at 60 degrees to remove organic solvent, and then hydrated with 100 uL opti-MEM. The herb solution is obtained. After the herb was added to A549 cells, the cells were incubated for 6 hours. The samples were collected and washed three times with PBS, fixed with 4% paraformaldehyde, and washed three times with PBS. Alexa The cells were stained with 488 phalloidin for 30 min, washed three times with PBS, stained with Dapi for 5 min, washed with PBS, and observed after sealing.
  • Fig. 154 under the observation of confocal microscopy, the entry of green fluorescent protein was observed, and lipid 71 efficiently delivered proteins into A549 cells.
  • Instrument Ultimate 3000; column: Kinetex C18 (100 ⁇ 2.1 mm, 1.9 ⁇ m); column temperature: 45 ° C; mobile phase: A: acetonitrile: water (V / V, 60: 40), solution containing 10mmol / L formic acid Ammonium, mobile phase B: acetonitrile: isopropanol (10:90, V/V), solution containing 10 mmol/L ammonium formate and 0.1% formic acid. Flow rate: 0.4 mL/min; injection amount: 4 ⁇ L.
  • Negative mode Heater Temp 300 ° C, Sheath Gas Flow rate, 45 arb, Aux Gas Flow Rate, 15 arb, Sweep Gas Flow Rate, 1 arb, spray voltage, 2.5 KV, Capillary Temp, 350 ° C, S-Lens RF Level, 60%. Scan ranges: 200-1500.
  • the lipid components were identified by HPLC-MS/MS, and a total of 138 lipid components derived from botanicals were identified, of which 125 were identified by cationic mode and 13 by anionic mode.
  • the following experiment was carried out by taking the compounds 1-69 shown in Table 10. It should be noted that the lipids tested below were either commercially or commercially synthesized and used as described in Table 10.
  • lipid ether solution 100 ⁇ L was prepared and grouped according to the lipid number shown in Table 1 (lipid concentration is shown in the table below), and the lipid solution was added to 20 ⁇ L of the nucleic acid solution (HJT sRNA or siRNA in a volume ratio of 5:1). After ultrasonication for 3 min, the ether was removed by evaporation at 55 ° C, and then 100 ⁇ L of DEPC-treated water was added to hydrate to obtain a nucleic acid lipid mixture.
  • nucleic acid solution HJT sRNA or siRNA in a volume ratio of 5:1
  • nucleic acid solution HJT sRNA or siRNA
  • concentration is shown in Table 1
  • RT-qPCR Real-time quantitative PCR
  • MRC-5 cells pulmonary embryonic fibroblasts
  • A549 cells human lung adenocarcinoma cells
  • Caco-2 cells human colon adenocarcinoma cells
  • MEM Eagle's MEM medium
  • A549 cells were cultured in Ham's F-12 medium (HyClone); overnight incubation at 37 ° C, and subsequent experiments were performed after the cells were attached.
  • Untreated group refers to untreated cells, and this group serves as a blank control group.
  • RNAiMAX treatment groups were diluted 2 ⁇ L Lipofectamine TM RNAiMAX reagent transfection medium with 100 ⁇ L opti-MEM (commercially available from Invitrogen, Thermo Fisher Scientific) (reagent full name Lipofectamine RNAimax, Invitrogen, Thermo Fisher Scientific ) and HJT-sRNA-m7 The solution was mixed and allowed to stand for 15 min, added to the cells, and mixed. The final concentration of HJT-sRNA-m7 was 100 nM, and the group was used as a positive control group.
  • Free uptake group directly added HJT-sRNA-m7 solution (final concentration of 100 nM), the group served as a negative control group;
  • Lipid nucleic acid mixture treatment group The lipid prepared in the step 2 and the HJT-sRNA-m7 mixture were added to the cells and mixed, and the final concentration of HJT-sRNA-m7 was 100 nM.
  • A.12 cells cultured in cells (about 1 ⁇ 10 6 cells/well), add 1 mL of TRIzol lysate to each well, and then place on ice. After all the samples are added to TRIzol, let stand for 5 min at room temperature. Fully lysed;
  • RNA samples were dissolved with 50 ⁇ L of RNase-free H2O, and the O.D value was used to quantify the RNA concentration.
  • the stem-loop primer used in the reverse transcription process was synthesized by Beijing Qingke Xinye Biotechnology Co., Ltd. (U6RT primer, because the quantification of small RNA by RT-qPCR reaction can only be relative quantitative, so U6 is the reference gene for standard. , the relative expression amount was calculated): GTCGTATCCAGTGCAGGGTCCGAGGTATTCGCACTGGATACGACAAAAATATG; HJT-sRNA-m7 RT stem-loop primer: GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACGCTTACAA).
  • Quantitative PCR amplification reaction qPCR reaction system total volume 10 ⁇ L, including: 5 ⁇ L 2 ⁇ SYBR Green Master Mix, 0.5 ⁇ L forward primer (10 ⁇ M), 0.5 ⁇ L reverse primer (10 ⁇ M), 1 ⁇ L of reverse transcription cDNA, 3 ⁇ L of RNase-free dH 2 O.
  • the PCR reaction conditions were: 95 ° C, pre-denaturation for 5 min, and began to enter the PCR amplification cycle: (1) 95 ° C, 10 s; (2) 55 ° C, 10 s; (3) 72 ° C, 20s; a total of 40 cycles; the last 40 ° C for 10s to cool down.
  • the amplification reaction forward primer and reverse primer were designed and synthesized by Beijing Qingke Xinye Biotechnology Co., Ltd.
  • U6 forward primer: GCGCGTCGTGAAGCGTTC U6 reverse primer: GTGCAGGGTCCGAGGT
  • HJT-sRNA-m7 reverse primer GTGCACGCTCCGAGGT
  • RT-qPCR Real-time quantitative PCR
  • THP-1 cells human monocytes
  • RPMI- In 1640 medium HyClone
  • Untreated group refers to untreated THP-1 cells, which served as a blank control group.
  • RNAiMAX treatment group 2 ⁇ L of Lipofectamine TM RNAiMAX transfection reagent (nvitrogen, Thermo Fisher Scientific) and nucleic acid solution (TNF- ⁇ siRNA) were diluted with 100 ⁇ L of opti-MEM (Invitrogen, Thermo Fisher Scientific) medium, respectively, and then mixed. After 15 min, the cells were added to the cells and mixed, and the final concentration of the nucleic acid was 400 nM, and the group was used as a positive control group.
  • opti-MEM Invitrogen, Thermo Fisher Scientific
  • Free uptake group direct addition of nucleic acid solution (TNF- ⁇ siRNA, final concentration of 400 nM), the group as a negative control group;
  • Lipid nucleic acid mixture treatment group The lipid and nucleic acid mixture prepared in the step 2 was added to the cells and mixed, and the final concentration of the nucleic acid was 400 nM.
  • E. coli lipopolysaccharide LPS, Escherichia coli 0111: B4, L4391, Sigma-Aldrich
  • RT-qPCR SYBR Green Dye Method detects the mRNA expression level of TNF- ⁇ (depending on the target gene of the subsequent examples, the results are shown in the figure), and the specific steps are as follows:
  • Reverse transcription of total RNA into cDNA Reverse transcription of total RNA into cDNA by High-Capacity cDNA Reverse Transcription Kits (Applied Biosystems, cat. no. 4368813), reverse transcription system as follows: template RNA ( 150 ng/ ⁇ L) 10 ⁇ L, 10X RT buffer 2.0 ⁇ L, 25X dNTP Mix (100 mM) 0.8 ⁇ L, random primer 2.0 ⁇ L, MultiScribe TM reverse transcriptase 1.0 ⁇ L, RNase inhibitor 1.0 ⁇ L, nuclease-free H 2 O 3.2 ⁇ L After transient centrifugation, the reaction was carried out in a PCR apparatus under the following conditions: (1) 25 ° C, 10 min; (2) 37 ° C, 120 min; (3) 85 ° C, 5 min; (4) 4 ° C, the reaction was terminated. After the reaction, 20 ⁇ L of RNase-free ddH 2 O was added to make up the final volume to 40 ⁇ L.
  • Quantitative PCR amplification reaction qPCR reaction system total volume 10 ⁇ L, including: 5 ⁇ L 2 ⁇ SYBR Green Master Mix, 0.5 ⁇ L forward primer (10 ⁇ M), 0.5 ⁇ L reverse primer (10 ⁇ M), 1 ⁇ L of reverse transcription cDNA, 3 ⁇ L of RNase-free ddH 2 O.
  • the PCR reaction conditions were: 95 ° C, pre-denaturation for 5 min, and began to enter the PCR amplification cycle: (1) 95 ° C, 10 s; (2) 55 ° C, 10 s; (3) 72 ° C, 20s; a total of 40 cycles; the last 40 ° C for 10s to cool down.
  • Both the forward and reverse primers of the amplification reaction were designed and synthesized by Beijing Qingke Biotechnology Co., Ltd., primer sequence (internal reference gene UBC forward primer: CTGGAAGATGGTCGTACCCTG, internal reference gene UBC reverse primer: GGTCTTGCCAGTGAGTGTCT; target gene TNF- ⁇ forward primer: CTGCCCCAATCCCTTTATT: target gene TNF- ⁇ reverse primer: CCCAATTCTCTTTTTGAGCC).
  • MRC-5 cells lung embryonic fibroblasts
  • A549 cells human lung adenocarcinoma cells
  • MEM Eagle's MEM medium
  • A549 cells were cultured in Ham's F-12 medium (HyClone); overnight incubation at 37 ° C, and subsequent experiments were performed after the cells were attached.
  • Untreated group refers to untreated cells, and this group serves as a blank control group.
  • RNAiMAX treatment group 2 ⁇ L of LipofectamineTM RNAiMAX transfection reagent (Invitrogen, Thermo Fisher Scientific) and nucleic acid solution were diluted with 100 ⁇ L of opti-MEM medium (Invitrogen, Thermo Fisher Scientific), respectively, and mixed for 15 min, and added to the cells. The final concentration of the nucleic acid was 400 nM, and the group was used as a positive control group.
  • Free uptake group directly added nucleic acid solution (final concentration of 400 nM), the group served as a negative control group;
  • Lipid nucleic acid mixture treatment group The lipid and nucleic acid mixture prepared in the step 2 was added to the cells and mixed, and the final concentration of the nucleic acid was 400 nM.
  • the expression level of REL-A protein was detected 24 h after stimulation, and the internal reference protein was ⁇ -actin; MRC-5 cells were stimulated with TGF- ⁇ 1 for 72 h to detect the expression of fibronectin and ⁇ -SMA protein.
  • the internal reference protein was GAPDH; siRNA delivery assay detects the protein expression of the corresponding knockdown gene, and the internal reference protein is ⁇ -actin).
  • the absorbance is detected at 562 nm by an ultraviolet spectrophotometer (Synergy 4 multi-function microplate reader), and the protein concentration in the sample is calculated according to a standard curve;
  • Protein electrophoresis Add electrophoresis buffer, the initial voltage of electrophoresis is 80V; when the bromophenol blue dye is added to the separation gel, increase the voltage to 120V and continue electrophoresis until the bromophenol blue dye reaches the bottom of the separation gel or all of the gel;
  • Blocking after the end of the film is placed in 3% BSA blocking solution, blocking at room temperature for 1 h;
  • lipid nucleic acid mixture prepared by boiling, 400 ⁇ L of HJT-sRNA-m7 (5 nmol) single-stranded RNA DEPC-treated aqueous solution, respectively added with 9 ⁇ L or 18 ⁇ L of lipid combination (lipid PE (No38) & LPC (No37) &TG (No. 32), 4:2:3, V/V/V), after mixing, heating at 100 ° C for 30 min.
  • RNA 6-8 weeks old male C57BL/6J wild type mice were intragastrically administered with RNA: a mixed solution of HJT-sRNA-m7 aqueous solution or lipid and HJT-sRNA-m7 was administered with a gavage needle, 400 ⁇ L/mouse (HJT) -sRNA-m7, 5nmol/only), grouped as follows:
  • Control group mice without any treatment
  • Negative control group 9 ⁇ L lipid combination (lipid PE (No38) & LPC (No37) & TG (No32), 4:2:3, V/V/V);
  • Lipid and Nucleic Acid Mixture Group A mixture of a lipid combination and a HJT-sRNA-m7 single-stranded RNA.
  • RT-qPCR SYBR Green universal dye method was used to detect the abundance of HJT-sRNA-m7.
  • the HJT-sRNA-m7 single-strand solution refers to a HJT-sRNA-m7 single-stranded DEPC treatment aqueous solution.
  • the HJT-sRNA-m7 double-stranded solution refers to a DEPC-treated aqueous solution of HJT-sRNA-m7 duplex.
  • Example 1-1 Different classes of lipid combinations deliver single-stranded nucleic acids into MRC-5 cells
  • RNAiMAX group dilute 2 ⁇ L of RNAiMAX transfection reagent and HJT-sRNA-m7 single-chain DEPC aqueous solution with 100 ⁇ L of opti-MEM medium, mix them for 15 min, add to cells, mix, HJT-sRNA The final concentration of the -m7 single chain is 200 nM;
  • Free uptake group directly added HJT-sRNA-m7 single-chain solution (final concentration of 200 nM);
  • Lipid-nucleic acid mixture treatment group 3 ⁇ L of the lipid monomer or lipid combination and the HJT-sRNA-m7 single-stranded nucleic acid solution were mixed with the boiled method to add the mixture to the cells, and the RNA was finally mixed. The concentration was 200 nM.
  • MG monoglyceride, monoacylglycerol
  • DG diglyceride, diglyceride: a mixture of 3 ⁇ L of No1/2/3/19/35 equal volume chloroform solution;
  • TG triglyceride, triglyceride: 3 ⁇ L No6/9/10/13/15/16/18/20/21/22/23/24/25/26/27/28/32/33 equal volume chloroform a mixture of solutions;
  • LPC Lisophosphatidylcholine, lysolecithin: a mixture of 3 ⁇ L of No36/37 equal volume of chloroform solution;
  • PC phosphatidylcholine, phosphatidylcholine: a mixture of 3 ⁇ L of No11/12 equal volume chloroform solution;
  • PE phosphatidylethanolamine, phosphatidylethanolamine: a mixture of 3 ⁇ L of No8/38 equal volume chloroform solution;
  • So (Sphingoshine, sphingosine): a mixture of 3 ⁇ L of No17/30/31 equal volume chloroform solution;
  • Example 1-2 Lipid Combination Delivery of Single-Stranded Nucleic Acids into MRC-5 Cells and Caco-2 Cells
  • test cells were MRC-5 cells and Caco-2 cells.
  • RNAiMAX group dilute 2 ⁇ L of RNAiMAX transfection reagent and HJT-sRNA-m7 single-chain solution with 100 ⁇ L of opti-MEM medium, mix them for 15 min, add to the cells, mix, HJT-sRNA-m7 The final concentration of the single chain is 200 nM;
  • Free uptake group directly added HJT-sRNA-m7 single-chain solution (final concentration of 200 nM);
  • Lipid monomer and nucleic acid treatment group 3 ⁇ L of the lipid monomer (No. 1 or No. 8 or No. 12) and the mixture of HJT-sRNA-m7 single-stranded nucleic acid solution by boiled treatment were added to the cells, and mixed. The final concentration of RNA was 200 nM.
  • Lipid combination mixture and nucleic acid mixture treatment group 3 ⁇ L of the lipid combination (No 1/8/12 equal volume mixture) and the mixture of HJT-sRNA-m7 single-stranded nucleic acid solution by boiled treatment were added to the cells. , mix, the final concentration of RNA is 200nM.
  • Lipid combination and nucleic acid mixture treatment group 3 ⁇ L of lipid combination (2 ⁇ L of lipid monomer No. 1 or No. 8 or No. 12 mixed with 1 ⁇ L of the following lipid classes (MG, DG, TG, LPC, Cer, So or FA)
  • the mixture of the single-stranded nucleic acid solution of HJT-sRNA-m7 and the boiled method was added to the cells and mixed, and the final concentration of RNA was 200 nM.
  • the treatment groups are collectively represented as No. 1 2 ⁇ L+mix 1 ⁇ L, No. 82 ⁇ L+mix 1 ⁇ L, and No.
  • MG monoglyceride, monoacylglycerol
  • DG diglyceride, diglyceride: a mixture of 2 ⁇ L of No1/2/3/19/35 equal volume chloroform solution;
  • TG triglyceride, triglyceride: 2 ⁇ L No6/9/10/13/15/16/18/20/21/22/23/24/25/26/27/28/32/33 equal volume chloroform solution mixture;
  • LPC Lisophosphatidylcholine, lysolecithin: a mixture of 2 ⁇ L of No36/37 equal volume chloroform solution;
  • Cer(Ceramides, ceramide) a mixture of 2 ⁇ L of No4/14 equal volume chloroform solution
  • So (Sphingoshine, sphingosine): a mixture of 2 ⁇ L of No17/30/31 equal volume chloroform solution;
  • the mixture (No 1/8/12 isometrically mixed), No. 1 2 ⁇ L + No. 8 1 ⁇ L, No. 1 2 ⁇ L + No. 12 1 ⁇ L, No. 1 2 ⁇ L + MG 1 ⁇ L, No. 8 2 ⁇ L +MG 1 ⁇ L, No 12 2 ⁇ L + No. 8 1 ⁇ L, No 12 2 ⁇ L + LPC 1 ⁇ L and No 12 2 ⁇ L + So 1 ⁇ L are more efficiently delivered nucleic acids.
  • Example 1-3 Lipid combination to deliver single-stranded nucleic acid into cells
  • RNAiMAX group dilute 2 ⁇ L of RNAiMAX transfection reagent and HJT-sRNA-m7 single-chain solution with 100 ⁇ L of opti-MEM medium, mix them for 15 min, add to the cells, mix, HJT-sRNA-m7 The final concentration of the single chain is 100 nM;
  • Free uptake group directly added HJT-sRNA-m7 single-chain solution (final concentration of 100 nM);
  • Lipid monomer and nucleic acid treatment group 3 ⁇ L of lipid monomer (No. 8 or No. 12) and a mixture of HJT-sRNA-m7 single-stranded nucleic acid solution by boiled treatment were added to the cells, and mixed, RNA The final concentration is 100 nM.
  • Lipid combination and nucleic acid mixture treatment group 3 ⁇ L of lipid combination (2.25 ⁇ L lipid combination PC (No 12) & PE (No 8) and 0.75 ⁇ L of the following lipid classes DG, TG, LPC, PC, Cer, So or FA mixed)
  • the mixture of the single-stranded nucleic acid solution of HJT-sRNA-m7 and the boiled solution was added to the cells and mixed, and the final concentration of RNA was 100 nM.
  • the treatment group encompassed by the 2.25 ⁇ L + 0.75 ⁇ L upper horizontal line is the mixture treatment group.
  • DG diglyceride, diglyceride: a mixture of 0.75 ⁇ L of No1/2 equal volume chloroform solution;
  • LPC Lisophosphatidylcholine, lysolecithin: a mixture of 0.75 ⁇ L of No36/37 equal volume chloroform solution;
  • PC Lisophosphatidylcholine, lysolecithin
  • Example 1-4 Lipid Combination Delivery of Single-Stranded Nucleic Acid into Cells
  • RNAiMAX group dilute 2 ⁇ L of RNAiMAX transfection reagent and HJT-sRNA-m7 single-chain solution with 100 ⁇ L of opti-MEM medium, mix them for 15 min, add to the cells, mix, HJT-sRNA-m7 The final concentration of the single chain is 100 nM;

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Abstract

提供制备本草体的方法,包括以下步骤:将一种或多种脂质成分和/或与下列任一项或多项混合:核酸,化合物,大分子;和对所得的混合物进行加热处理。还提供从植物提取汤剂体的方法,包括以下步骤:用溶剂制备所述植物的提取液;对所述提取液进行差速离心;用水性溶液重悬所述沉淀物,以提供汤剂体。

Description

植物来源“汤剂体”的提取和“本草体”的人工制备及其相关产品
本申请要求申请日为2018年03月29日、发明名称为“化合物或中药提取物在制备核酸递送试剂中的应用及其相关产品”、申请号为PCT/CN2018/081155的PCT发明专利申请的优先权,该专利的全部内容通过引用并入本文。
技术领域
本发明涉及活性物质汤剂体的提取方法以及本草体人工制备方法,具体地涉及从植物药提取活性物质的方法以及本草体人工制备的方法。
背景技术
在中国传统医学研究中,将中药饮片浸泡在水中后煎煮制作成有治疗疾病效果的汤剂。之前大多数有关植物药的研究主要集中在植物药的主要化学成分的功能研究,几乎有很少数的研究关注在植物药中的核酸分子上。
我们之前的研究表明,中草药中存在数百万种小RNA,饮用汤剂后,在人体器官和组织中发现了数以千计的植物药小RNA(Huang et al.,2018)。我们的研究结果表明小RNA可能是植物药的功能成分,并且植物药中小RNA的递送机制可以帮助克服目前临床上治疗性RNAi递送的挑战。自20世纪80年代以来,针对人类基因的核酸的传递药物具有潜在的数万亿美元的市场。自上个世纪以来,FDA批准了六种小RNA药物,包括Vitravene,Macugen,Kynamro,Exondys 51,Defitelio,Spinraza,Patisiran。然而,其递送效果并不是很好,阻碍了核酸的发展。大多数小RNA药物以形成纳米颗粒的形式通过静脉注射递送。
根据中医理论,不同药材的功能成分进入不同的人体器官和组织,针对不同的疾病。人类基因组由大约2万个基因组成,理论上,丰富的植物药小RNA能够调节所有这些基因。我们之前的文章证明,HJT-sRNA-m7可同时下调至少三种纤维化基因(Du et al.,2017)。同时我们实验室提供了筛选和鉴定有效治疗性的小RNA的实验方法和方案。我们认为可以为每个基因鉴定出一 种或者多种植物药小RNA,并且可以通过植物药小RNA来调节人类基因的表达。由于许多疾病涉及不平衡的基因表达,植物药小RNA的组合可能精确地针对疾病中的不平衡基因并提供潜在的治愈效果。
对于植物药小RNA进入人体内的研究,现有技术并没有研究其详细的进入机制,也没有对植物药水煎液进行研究。
本领域需要分离从植物药分离活性组合物,即外泌体样纳米颗粒的新方法以及制备所述活性组合物的新方法。
发明内容
本发明部分基于发明人的下述发现:通过溶剂制备植物药的提取液,然后差速离心可以获得植物药的活性组合物,该活性组合物在用溶剂溶解后为膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质,可以口服使用以用于降低一系列炎性因子并且治疗其相关疾病。另外,本发明还部分基于发明的发现:通过加热核酸,特别是小RNA和脂质可以促进核酸插入脂质层中,增加了嵌入脂质膜过程的稳定性。本发明提供了植物活性组合物的新的提取和制备方法以及制备本草体的方法,包括将一种或多种脂质成分或/和下列任一项或多项混合并对混合物进行加热处理:一种或多种合成或提纯的核酸、一种或多种合成或提纯的化合物,一种或多种合成或提纯的大分子。本发明还提供了使用汤剂体或本草体作为有效的治疗疾病的方法。
本发明提供了以下内容:
1.本草体(bencaosome):人工制备的具有膜结构的纳米颗粒状物质。该膜结构包括一种或多种脂质成分,其特点为来源于化学合成或化学分离提纯,包括但不限于表1或表10所示的脂质或与之有70%及以上近似性的脂质(脂质近似性由以下方法界定:有相同母体结构),杂质成份低于5%;将脂质与或/和与下列任意一项或多项混合:一种或多种核酸、一种或多种化合物、一种或多种大分子。本草体是通过加热脂质与其他物质,包括一种或多种核酸、一种或多种化合物和/或一种或多种大分子制备的膜结构的纳米颗粒状物质。在本申请中,本草体也可以称为膜结构的活性组合物,优选地通过前文实施方案1-2、5-9或20-28的方法制备的活性组合物。所述一种或多种脂质成分可 以是合成或提纯的,包括但不限于表1或表10所示的脂质;所述一种或多种核酸成分可以是合成或提纯的,包括但不限于表8、9或表13所示的RNA;所述一种或多种化合物可以是合成或提纯的,包括但不限于表2-表5所示的化合物;所述一种或多种大分子成分可以是合成或提纯的,包括但不限于表6或表7所示的蛋白。制备本草体的方法,其包括以下步骤:
(1)一种或多种脂质成分和下列任一项或多项混合:一种或多种核酸、一种或多种化合物和/或一种或多种大分子;
优选地,所述一种或多种脂质成分是合成或纯化的,选自表1或表10所示的脂质;
(2)对所得的混合物进行加热处理,
其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约70℃至90℃,特别优选为约80℃至约90℃,优选90℃;
优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约30分钟-约12小时,约1小时-约8小时,或者约0.5小时-约4小时,优选5-15分钟;
优选地,所述混合通过将所述脂质成分以有机溶剂中的溶液添加到核酸/大分子/化合物的水性溶液中进行;
优选地,所述有机溶剂包括醇类、醚类、苯类有机溶剂,优选氯仿、乙醚、甲醇、或乙醇;
优选地,所述水性溶液选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水;
优选地,其中所述本草体是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质;
优选地,其中所述本草体用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
2.根据项1所述的方法,其中所述脂质是Sphinganine(d22:0),和/或所述小RNA是PGY-sRNA-6或HJT-sRNA-m7,
其中优选地,所述Sphinganine(d22:0)以10mg/ml氯仿溶液使用,
脂质:sRNA=0.1-20ug:0.1nmol;
其中优选地,所述本草体具有小于60mV、小于50mV、小于0、-80至-20或-60至-20的Zeta电势,并且具有50-1000、90-300或100-200nm的平均粒径。
3.根据项1或2所述的方法制备的本草体,其用于下列一项或多项:
(1)降低纤连蛋白和/或alpha-SMA的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
(3)用于预防或治疗纤维化,优选肺纤维化,优选在TGF-beta1诱导的MRC-5细胞的纤维化模型中和博来霉素诱导的小鼠的纤维化模型中;
(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
(5)降低IL-1alpha、IL-1b、IL-2、IL-3、IL-4、IL-5、IL-6、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和
(7)使小RNA有效进入细胞;和/或
(8)降低RELA基因表达;
优选地,所述本草体降低纤维化相关蛋白纤连蛋白和alpha-SMA的表达,和/或降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha的表达水平。
4.根据项3所述的本草体用于下列一项或多项的用途,或在制备用于下列一项或多项的药物中的用途,或根据项3所述的本草体用于下列一项或多项的方法:
(1)降低纤连蛋白和/或alpha-SMA的表达,优选TGF-beta1诱导的MRC-5 细胞纤维化模型中纤连蛋白的蛋白表达;
(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
(3)用于预防或治疗纤维化,优选肺纤维化,优选在TGF-beta1诱导的MRC-5细胞的纤维化模型中和博来霉素诱导的小鼠的纤维化模型中;
(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
(5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和
(7)使小RNA有效进入细胞;和/或
(8)降低RELA基因表达;
优选地,所述本草体降低纤维化相关蛋白纤连蛋白和alpha-SMA的表达,和/或降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha的表达水平;
优选地,所述药物用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
5.有助于核酸递送的方法,其包括将核酸和表1或表10中的一种或多种脂质,优选Sphinganine(d22:0)进行加热或升温处理,加热或升温的温度范围优选为约4℃至约100℃,约25℃至约100℃,更优选约50℃至约100℃,更优选约95℃至约100℃,特别优选约80℃至约100℃,例如4℃,37℃,60℃,80℃或100℃,其中优选地,所述核酸是小核酸,优选是单链或双链的,优选地所述小核酸的长度是14-32bp、16-28bp或18-24bp,优选表8、9和13中的 任一种或多种小RNA,优选PGY-sRNA-6或HJT-sRNA-m7;优选地,所述核酸递送通过口服进行;优选地,所述核酸用于治疗疾病,例如炎症相关疾病以及癌症,例如胃癌或肺癌,优选用于抗炎及抗纤维化,优选用于降低炎症相关因子IL-1beta、IL-6和/或TNF-alpha,细胞因子风暴IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gama、RANTES或MCP-1beta,以及降低纤维化相关蛋白纤连蛋白和α-SMA的表达。
6.项5所述的方法,所述方法还包括进一步混合一种或多种化合物、一种或多种核酸、和/或一种或多种大分子;其中核酸包括DNA和RNA,优选RNA,更加优选小RNA;
优选混合表2-表5所示的一种或多种化合物、一种或多种表8和/或表9和/或表13所示的小RNA、一种或多种DNA和/或表6或7所示的一种或多种大分子。
或者,项5所述的方法,所述方法还包括进一步混合一种或多种化合物、一种或多种DNA、和/或一种或多种大分子;
优选混合表2或4所示的一种或多种化合物、表3或5所示的一种或多种化合物、一种或多种DNA和/或表6或7所示的一种或多种大分子。
7.项1-6中任一项的方法,其中所述多种脂质是选自下组的脂质组合:第8号:第41号=6:1的脂质组合;第38号:第41号=6:1的脂质组合;第39号:第41号=6:1的脂质组合;第40号:第41号=6:1的脂质组合;第38:12:41:29号=1:2:1:1的脂质组合;第40:12:41号=2:4:3的脂质组合;第12:41号=1:6的脂质组合;第12:41号=1:1的脂质组合;第12:41号=6:1的脂质组合;第40:12:41号=2:2:2的脂质组合;第4:12:41号=1:1:1的脂质组合;第1:2:3:19:35号=1:1:1:1:1的DG组合;第6:9:10:13:15:16:18:20:21:22:23:24:25:26:27:28:32:33号=1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1的TG组合;第36:37号=1:1的LPC组合;第11:12号=1:1的PC组合;第8:38号=1:1的PE组合;第4:14号=1:1的Cer组合;第17:30:31号=1:1:1的So组合;无第5、7号的第1-36号的等体积组合;无第5、7、34号的第1-36号的等体积组合;无第5、7、1、2、3、19、35号的第1-36号的等体积组合;无第5、7、6、9、10、13、15、16、18、20、21、22、23、24、25、26、27、28、32、33号的第1-36号的等体积组合;无第5、7、36、37号 的第1-36号的等体积组合;无第5、7、11、12号的第1-36号的等体积组合;无第5、7、8号的第1-36号的等体积组合;无第5、7、4、14号的第1-36号的等体积组合;无第5、7、29号的第1-36号的等体积组合;脂质第1号:第34号=2:1;脂质第1号:所述DG组合=2:1;脂质第1号:所述TG组合=2:1;脂质第1号:所述LPC组合=2:1;脂质第1号:第8号=2:1;脂质第1号:第12号=2:1;脂质第1号:所述Cer组合=2:1;脂质第1号:So组合=2:1;脂质第1号:第29号=2:1;脂质第1号:第8号:第12号=1:1:1;脂质第8号:第34号=2:1;脂质第8号:DG组合=2:1;脂质第8号:TG组合=2:1;脂质第8号:LPC组合=2:1;脂质第8号:第37号=4:1;脂质第8号:第12号=2:1;脂质第8号:Cer组合=2:1;脂质第8号:So组合=2:1;脂质第8号:第31号=6:1;脂质第8号:第29号=2:1;第12号:第34号=2:1;第12号:DG组合=2:1;第12号:TG组合=2:1;第12号:LPC组合=2:1;第12号:脂质第8号=2:1;第12号:Cer组合=2:1;第12号:So组合=2:1;第12号:第29号=2:1;第12号:脂质第8号:第1&2号=2:1:1;第12号:脂质第8号:第15号=2:1:1;第12号:脂质第8号:第36&37号=2:1:1;第12号:脂质第8号:第11号=2:1:1;第12号:脂质第8号:第12号=2:1:1;第12号:脂质第8号:第4号=2:1:1;第12号:脂质第8号:第31号=2:1:1;第12号:脂质第8号:第29号=2:1:1;第12号:脂质第8号:第34号=3:2:1;第12号:脂质第8号:第34号=4:2:3;第12号:脂质第8号:脂质第2号=4:2:3;第12号:脂质第8号:脂质第2号=16:8:3;第12号:脂质第8号:第32号=4:2:3;第12号:脂质第8号:第37号=4:2:3;第12号:脂质第8号:第11号=4:2:3;第12号:脂质第8号:第38号=4:2:3;第12号:脂质第8号:第4号=4:2:3;第12号:脂质第8号:第31号=4:2:3;第12号:脂质第8号:第29号=4:2:3;第12号:脂质第8号:第29号:第31号=2:1:1:1;第12号:脂质第8号:第29号:第31号:第34号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:脂质第2号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第32号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第11号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第37号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第38号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第4号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第4号:脂质第1号:第16号=2:1:1:3:2:2:3;脂质第1号:脂质第8号:第12号:脂质第1&2号=2:2:2:3;脂质第1号:脂质第8号:第12号:第15号=2:2:2:3;脂质第1号:脂质第8号:第12号:第36&37号=2:2:2:3;脂质第1号:脂质第8号:第12号:第12号=2:2:2:3;脂质第1 号:脂质第8号:第12号:第4号=2:2:2:3;脂质第1号:脂质第8号:第12号:第31号=2:2:2:3;脂质第1号:脂质第8号:第12号:第29号=2:2:2:3;脂质第8号:第34号:脂质第1&2号=2:1:1;脂质第8号:第34号:第15号=2:1:1;脂质第8号:第34号:第36&37号=2:1:1;脂质第8号:第34号:第12号=2:1:1;脂质第8号:第34号:第4号=2:1:1;脂质第8号:第34号:第31号=2:1:1;脂质第8号:第34号:第29号=2:1:1;脂质第8号:第31号:第34号=12:3:5;脂质第8号:第31号:脂质第2号=12:3:5;脂质第8号:第31号:第37号=12:3:5;脂质第8号:第31号:第11号=12:3:5;脂质第8号:第31号:第12号=12:3:5;脂质第8号:第31号:第4号=12:3:5;脂质第8号:第31号:第29号=12:3:5;脂质第8号:第31号:第32号=12:3:5;脂质第8号:第4号:第34号=12:3:5;脂质第8号:第4号:脂质第2号=12:3:5;脂质第8号:第4号:第37号=12:3:5;脂质第8号:第4号:第12号=12:3:5;脂质第8号:第4号:第31号=12:3:5;脂质第8号:第4号:第29号=12:3:5;脂质第8号:第4号:第32号=12:3:5;第38号:第34号=2:1;第38号:脂质第1号=2:1;第38号:脂质第2号=2:1;第38号:第1&2号=2:1;第38号:第15号=2:1;第38号:第32号=2:1;第38号:第37号=2:1;第38号:第37号=4:1;第38号:第11号=2:1;第38号:第12号=2:1;第38号:第11&12号=2:1;第38号:第12号=4:1;第38号:脂质第8号=2:1;第38号:第4号=2:1;第38号:So(30)=2:1;第38号:第31号=2:1;第38号:第29号=2:1;脂质第1号:第38号:第12号:第34号=2:2:2:3;脂质第1号:第38号:第12号:第15号=2:2:2:3;脂质第1号:第38号:第12号:第37号=2:2:2:3;脂质第1号:第38号:第12号:脂质第8号=2:2:2:3;脂质第1号:第38号:第12号:第4号=2:2:2:3;脂质第1号:第38号:第12号:第31号=2:2:2:3;脂质第1号:第38号:第12号:第29号=2:2:2:3;第38号:第34号:脂质第1号=2:1:3;第38号:第34号:第15号=2:1:3;第38号:第34号:第37号=2:1:3;第38号:第34号:第12号=2:1:3;第38号:第34号:脂质第8号=2:1:3;第38号:第34号:第4号=2:1:3;第38号:第34号:第31号=2:1:3;第38号:第34号:第29号=2:1:3;第38号:第12号:脂质第1号=2:1:3;第38号:第12号:脂质第2号=4:1:3;第38号:第12号:第15号=2:1:3;第38号:第12号:第37号=2:1:3;第38号:第12号:脂质第8号=2:1:3;第38号:第12号:第4号=2:1:3;第38号:第12号:第31号=2:1:3;第38号:第12号:第29号=2:1:3;第38号:第12号:脂质第1号:第15号:第34号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第37号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第4号=22:22:22:33:36;第38号:第12号:脂质 第1号:第15号:第31号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第29号=22:22:22:33:36;第38号:第34号:第37号:脂质第1号=44:22:33:36;第38号:第34号:第37号:第15号=44:22:33:36;第38号:第34号:第37号:第12号=44:22:33:36;第38号:第34号:第37号:第4号=44:22:33:36;第38号:第34号:第37号:第31号=44:22:33:36;第38号:第12号:第4号:第34号=44:22:33:36;第38号:第12号:第4号:脂质第1号=44:22:33:36;第38号:第12号:第4号:第15号=44:22:33:36;第38号:第12号:第4号:第37号=44:22:33:36;第38号:第12号:第4号:第37号=8:2:5:3;第38号:第12号:第4号:第31号=44:22:33:36;第38号:第12号:第4号:第29号=44:22:33:36;第38号:第12号:第4号:第29号:第34号=88:44:66:72:135;第38号:第12号:第4号:第29号:脂质第1号=88:44:66:72:135;第38号:第12号:第4号:第29号:第15号=88:44:66:72:135;第38号:第12号:第4号:第29号:第37号=88:44:66:72:135;第38号:第12号:第4号:第29号:第31号=88:44:66:72:135;第38号:第12号:第4号:脂质第2号=20:10:15:9;第38号:第12号:第4号:第6号=20:10:15:9;第38号:第12号:第4号:第17号=20:10:15:9;第38号:第12号:第4号:第29号=20:10:15:9;第38号:第12号:第4号:第34号=20:10:15:9;第38号:第12号:第4号:第37号=20:10:15:9;第38号:第12号:第31号:第34号=2:1:3:3;第38号:第12号:第31号:脂质第1号=2:1:3:3;第38号:第12号:第31号:第15号=2:1:3:3;第38号:第12号:第31号:第37号=2:1:3:3;第38号:第12号:第31号:第4号=2:1:3:3;第38号:第12号:第31号:第29号=2:1:3:3;第38号:第34号:第37号:第31号:脂质第1号=88:44:66:72:135;第38号:第34号:第37号:第31号:第15号=88:44:66:72:135;第38号:第34号:第37号:第31号:第12号=88:44:66:72:135;第38号:第34号:第37号:第31号:第4号=88:44:66:72:135;第38号:第34号:第37号:第31号:第29号=88:44:66:72:135;第38号:第37号:第34号=4:2:3;第38号:第37号:脂质第1号=4:2:3;第38号:第37号:脂质第2号=4:2:3;第38号:第37号:第1&2号=4:2:3;第38号:第37号:脂质第2号=32:8:5;第38号:第37号:第32号=32:8:5;第38号:第37号:第15号=4:2:3;第38号:第37号:第32号=4:2:3;第38号:第37号:脂质第8号=4:2:3;第38号:第37号:第11号=4:2:3;第38号:第37号:第12号=4:2:3;第38号:第37号:第11&12号=4:2:3;第38号:第37号:第12号=4:1:1;第38号:第37号:第4号=4:2:3;第38号:第37号:第30号=4:2:3;第38号:第37号:第31号=4:2:3;第38号:第37号:第29号=4:2:3;脂质第8号:第37号: 第32号=4:1:2;脂质第8号:第37号:脂质第2号=4:1:2;第38号:第37号:第15号:第34号=64:16:10:45;第38号:第37号:第15号:脂质第1号=64:16:10:45;第38号:第37号:第15号:第12号=64:16:10:45;第38号:第37号:第15号:第4号=64:16:10:45;第38号:第37号:第15号:第31号=64:16:10:45;第38号:第37号:第15号:第29号=64:16:10:45;第38号:脂质第2号:第37号=4:2:3;第38号:脂质第2号:第31号=4:2:3;第38号:脂质第2号:第29号=4:2:3;第38号:脂质第2号:第34号=4:2:3;第38号:脂质第2号:第32号=4:2:3;第38号:脂质第2号:第12号=4:2:3;第38号:脂质第2号:第12号=4:5:1;第38号:脂质第2号:第4号=4:2:3,脂质第1&2号、第11&12号或第36&37号分别表示任何比例的脂质第1和2号、第11和12号或第36和37号。
8.促进核酸与脂质形成本草体的方法,其包括加热核酸和脂质的混合物以促进嵌入脂质膜,促进脂质-核酸复合物的稳定性,如通过临界胶束浓度测定的;
其中核酸插入脂质层或被脂质层包裹形成本草体,其是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质;
其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约80℃至100℃,特别优选为约80℃至约90℃,优选90℃;
优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约15分钟-约12小时,约1小时-约8小时,或者约2小时-约4小时,优选15分钟;
优选地,所述脂质是表1或表10中的一种或多种脂质,优选Sphinganine(d22:0),或项7中的脂质组合;优选地,所述核酸是小RNA,优选表8、9和13所示的一种或多种小RNA,优选PGY-sRNA-6或HJT-sRNA-m7。
9.脂质递送蛋白质至细胞的方法,所述方法包括加热蛋白质和脂质,其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约80℃至100℃,特别优选为约80℃至约90℃,优选90℃;
优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约15分钟-约12小时,约1小时-约8小时,或者约2小时-约4小时,优选6小时;
或者所述脂质递送蛋白质至细胞的方法包括将蛋白质溶液与脂质的有 机溶剂溶液混合(v/v=1/5),挥发除去有机溶剂,并且用水性试剂水化;或用水煮法制备,向蛋白质溶液中加入脂质的有机溶剂溶液,混合后进行升温处理;
或者所述脂质递送蛋白质至细胞的方法包括将蛋白质与脂质的有机溶剂溶液混合,然后除去有机溶剂,并且用水性试剂水化;
优选地,所述脂质是表1或表10中的一种或多种脂质,优选sphinganine(d22:0)或PE(16:0/16:0)或PE(16:0/22:1)。
10.汤剂体(decoctosome):由脂质、蛋白质、核酸和化合物等物质构成的,来源于植物汤剂中的具有热稳定性的外泌体样的膜结构的纳米颗粒状物质。在本申请中,汤剂体也可以称为膜结构的活性组合物,优选地通过前文实施方案10-13的方法制备的活性组合物。从植物制备汤剂体的方法,所述方法包括以下步骤:
(1)用溶剂,优选地水性溶剂制备所述植物的提取液,
其中优选地通过煎煮经所述溶剂浸泡的植物制备所述植物的提取液;
其中优选地,所述煎煮是强火煎煮15-45min,优选20-30min,优选30min,然后文火煎煮5-30min,优选5-20min,优选10min;
其中优选地,所述强火的温度是90℃以上,优选90℃-2000℃,90℃-1500℃,90℃-1000℃,90℃-500℃,90℃-300℃,90℃-250℃或90℃-200℃;
优选地,所述文火的温度是50℃以上,优选50℃-2000℃,50℃-1500℃,50℃-1000℃,50℃-500℃,50℃-300℃,50℃-250℃,50℃-200℃,50℃-100℃,50℃-80℃,50℃-70℃或50℃-60℃;
优选地,所述水性溶剂选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水;
(2)对所述提取液在适当的温度,优选0-10℃,4℃条件下进行差速离心,优选以800-5000g,优选1000g-4000g,优选2000-3000g,优选2000g离心20-40min,优选30min离心,取上清液,然后对上清液以6000g-15000g,优选7000g-12000g,优选8000g-11000g,优选10000g离心20-40min,优选30min,取上清液,然后对上清液以100000-200000,优选200000g离心60-120min,优选90min,取沉淀物,所述沉淀物是所述汤剂体的固体形式;以及
(3)任选地,用水性溶液,优选水性缓冲液,优选PBS缓冲液,更优选 pH7-9,优选pH7.4的PBS缓冲液重悬所述沉淀物,以提供汤剂体,其是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质,所述水性溶液选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水。
11.通过根据项10所述的方法,其中所述汤剂体具有30-1,000nm,优选80-300nm的平均粒径,且具有20-100mV的电位绝对值。
12.通过根据项10或11所述的方法,其中所述植物选自蒲公英、红景天、穿心莲、卷心菜和木香等。
13.通过根据项10-12中任一项所述的方法,其中对于蒲公英,所述汤剂体具有30-300nm,优选150-200nm的平均粒径峰值,且具有-39±3mV的Zeta电势;对于红景天,所述汤剂体具有50-300nm,优选150-210nm的平均粒径,且具有-37±2mV的Zeta电势;
蒲公英汤剂体具有20-100mV的电位绝对值范围;红景天汤剂体具有20-100mV的电位绝对值范围。
14.通过项10-13中任一项所述的方法制备的汤剂体,其中所述汤剂体是固体形式或液体形式或胶体形式,所述汤剂体包含膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质。
15.根据项14所述的汤剂体,其包含表1或表10所示的一种或多种脂质成分、一种或多种化合物、一种或多种DNA、一种或多种大分子、和/或一种或多种RNA;
优选地,所述汤剂体包含表1或表10所示的一种或多种脂质成分、表2或4所示的一种或多种化合物、表3或5所示的一种或多种化合物、表6或7所示的一种或多种大分子、和/或表8、9或13所示的一种或多种小RNA。
16.根据项14或15所述的汤剂体,其是用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用的组合物。
17.根据项14-16中任一项所述的汤剂体,其用于下列一项或多项:
(1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维 化模型中的羟脯氨酸;
(3)用于预防或治疗纤维化,优选肺纤维化;
(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
(5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和/或
(7)降低RELA基因表达。
18.根据项14-16中任一项所述的汤剂体用于制备药物的用途,所述药物用于下列一项或多项:
(1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
(3)用于预防或治疗纤维化,优选肺纤维化;
(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
(5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多 发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;
(7)降低RELA基因表达;
其中所述药物用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
19.用于以下目的的方法,所述方法包括使用根据项14-16中任一项所述的汤剂体:
(1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
(3)用于预防或治疗纤维化,优选肺纤维化;
(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
(5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎;和/或
(7)降低RELA基因表达。
在各个实施方案中,本文所述的汤剂体、本草体、药物或组合物可以通过口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
在各个实施方案中,本文所述的汤剂体或本草体可以用于(1)降低纤连蛋白和/或alpha-SMA的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;(2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;(3)用于预防或治疗纤维化,优选肺纤维化,优选在TGF-beta1诱导的MRC-5细胞的纤维化模型中和博来霉素诱 导的小鼠的纤维化模型中;(4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;(5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12 p40、IL-12 p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;(6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎;和(7)使小RNA有效进入细胞;和/或(8)降低RELA基因表达;可以用于治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风。
在各个实施方案中,核酸是合成或提纯的,选自RNA和DNA,例如选自单链或双链或部分双链的RNA和DNA。
在各个实施方案中,RNA选自:信使RNA(mRNA)、rRNA(核糖体RNA)、tRNA(转运RNA)、不均一核RNA(hnRNA)、小核RNA(snRNA)、核仁小RNA(snoRNA)、小胞质RNA、小RNA、转移-信使RNA(tmRNA)、端粒酶RNA和反义RNA,优选小RNA,优选表8、9或13所示的一种或多种小RNA。
在各个实施方案中,DNA选自:互补DNA(cDNA)、叶绿体DNA、多拷贝单链DNA(msDNA)、线粒体DNA(mtDNA)和核糖体DNA(rDNA)。
在各个实施方案中,化合物是合成或纯化的,包括小分子药物和/或表2-5所示的一种或多种化合物。
在各个实施方案中,大分子是合成或纯化的,选自蛋白质或抗体或多糖,和/或表6或7所示的一种或多种大分子。
在各个实施方案中,蛋白质选自抗体、β-乳球蛋白、白蛋白、促红细胞生成素(EPO)、干扰素、集落刺激因子和组织纤溶酶原激活剂和各种标记蛋白质,例如绿色荧光蛋白、红色荧光蛋白、藻红蛋白等。
在各个实施方案中,抗体选自:IgG、IgA、IgM、IgD或IgE类的抗体。
附图说明
图1.植物药汤剂体的制备流程示意图。
图2.HJT汤剂体的透射电镜结果。
图3.PGY汤剂体的透射电镜结果。
图4.HJT汤剂体的粒径和Zeta电势结果。
图5.PGY汤剂体的粒径和Zeta电势结果。
图6.HJT水煎液可降低TGF-β1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达。
图7.HJT汤剂体可降低TGF-β1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达。
图8A-C.PGY水煎液可降低poly(I:C)诱导的A549细胞炎症模型中IL-1β/IL-6/TNF-αmRNA的相对表达。
图9A-C.PGY汤剂体可降低poly(I:C)诱导的A549细胞炎症模型中IL-1β/IL-6/TNF-αmRNA的相对表达。
图9D-E:PGY汤剂和汤剂体可降低A549细胞炎症模型中IL-6的蛋白表达水平。
图9F:HJT汤剂体RNA的RNA酶A和DNA酶I的酶切结果。
图9G:PGY汤剂体RNA的RNA酶A和DNA酶I的酶切结果。
图10.对照MX和HJT汤剂体在小鼠肺纤维化模型中降低羟脯氨酸表达的测定结果。
图11.对照MX和HJT汤剂体缓解小鼠肺纤维化模型中的马松染色的结果。
图12.对照MX和HJT汤剂体缓解小鼠肺纤维化模型中的马松染色的统计结果。
图13.对照MX和HJT汤剂体缓解小鼠肺纤维化模型中的病理学检测结果。
图14A-B.对照卷心菜和PGY汤剂体降低小鼠炎症模型中的血浆中细胞因子表达的检测结果。
图15.HJT汤剂体中的脂质鉴定结果。
图16.PGY汤剂体中的脂质鉴定结果。
图17.HJT汤剂体中的小分子鉴定结果。
图18.PGY汤剂体中的小分子鉴定结果。
图19.HJT汤剂体中的蛋白质鉴定结果。
图20.PGY汤剂体中的蛋白质鉴定结果。
图21.HJT汤剂体中小RNA长度分布。
图22.PGY汤剂体中小RNA长度分布。
图23.本草体的制备流程示意图。
图24.RT-PCR检测HJT-sRNA-m7的相对表达。
图25.流式细胞术检测HJT-sRNA-m7的进入。
图26.细胞共聚焦实验检测Cy5标记的HJT-sRNA-m7的进入。
图27.蛋白免疫印迹实验检测Sphinganine-HJT-sRNA-m7加入后降低细胞纤维化相关蛋白纤连蛋白和α-基质蛋白(α-SMA)的表达。
图28.RT-PCR实验检测不同PGY小RNA在A549细胞炎症模型中降低IL-1β/IL-6/TNF-α相对表达。
图29A-C.RT-PCR检测转染PGY-sRNA-6降低poly(I:C)刺激A549细胞后IL-1β/IL-6/TNF-α的相对表达。
图30A-C.RT-PCR检测转染PGY-sRNA-6降低poly(I:C)刺激的PBMC细胞后IL-1β/IL-6/TNF-α的相对表达。
图31.RT-PCR检测转染PGY-sRNA-6降低poly(I:C)刺激的A549细胞后RELA基因的相对表达。
图32.双荧光报告基因检测RELA为PGY-sRNA-6的靶基因。
图33.PGY-sRNA-6在PGY水煎液和PGY汤剂体中的峰度分析。
图34.RT-PCR检测PGY-sRNA-6的相对摄取量。
图35.流式细胞术检测PGY-sRNA-6的进入。
图36.细胞共聚焦实验检测Cy3标记的PGY-sRNA-6的进入。
图37A-C.RT-PCR检测Sphinganine-PGY-sRNA-6降低poly(I:C)刺激的A549细胞中IL-1β/IL-6/TNF-αmRNA的相对表达。
图38.双荧光报告基因检测Sphinganine-PGY-sRNA-6加入后相对荧光强度。
图39.Sphinganine-HJT-sRNA-m7缓解小鼠肺纤维化模型中的病理学检测结果。
图40.Sphinganine-HJT-sRNA-m7缓解小鼠肺纤维化模型中的马松染色结果。
图41.Sphinganine-HJT-sRNA-m7缓解小鼠肺纤维化模型中的马松染色统计结果。
图42A-G:Sphinganine-PGY-sRNA-6降低小鼠炎症模型血浆中的细胞因子表达含量检测结果。
图43:通过测定1,6-二苯基1,3,5-己三烯(DPH)荧光发射强度对表面活性剂浓度的依赖性,显示了仅小RNA以及仅Sphinganine的临界胶束浓度(cmc)值。
图44A-D:在加热处理和未加热处理的情况下,本草体sphinganine(So(d22:0))+200nM或600nM sRNA的CMC性质。
图45:比较水、So(d22:0)、So(d22:0)+200nM、400nM或600nM sRNA的静态光散射强度。
图46:比较So(d22:0)、So(d22:0)+200nM、400nM或600nM sRNA的Zeta电位。
图47A-B:So(d22:0)和So(d22:0)+600nM sRNA的粒径分布。
图47C-D:So(d22:0)和So(d22:0)+600nM sRNA的透射电镜。
图48:不同类别脂质组合递送单链核酸进入MRC-5。
图49A-B:脂质组合递送单链核酸进入MRC-5或Caco-2细胞。
图50:脂质组合递送单链核酸进入细胞。
图51:脂质组合递送单链核酸进入细胞。
图52:脂质组合递送单链核酸进入细胞。
图53:脂质组合递送单链核酸进入A549细胞。
图54:脂质组合递送单链核酸进入A549细胞。
图55:脂质组合递送单链核酸进入A549细胞。
图56:脂质组合递送单链核酸进入A549细胞。
图57:脂质组合递送单链核酸进入A549细胞。
图58:脂质组合递送单链核酸进入A549细胞。
图59:脂质组合递送单链核酸进入A549细胞。
图60:脂质组合递送单链核酸进入A549细胞。
图61:脂质组合递送单链核酸进入A549细胞。
图62:脂质组合递送单链核酸进入A549细胞。
图63:脂质组合递送单链核酸进入A549细胞。
图64:脂质组合递送单链核酸进入A549细胞。
图65:脂质组合递送双链核酸进入MRC-5细胞。
图66:脂质组合递送双链核酸进入MRC-5细胞。
图67:脂质组合递送双链核酸进入A549细胞。
图68:脂质组合递送双链核酸进入A549细胞。
图69:脂质组合递送双链核酸进入A549细胞。
图70:脂质组合递送双链核酸进入A549细胞。
图71:脂质组合递送双链核酸进入A549细胞。
图72:脂质组合递送双链核酸进入A549细胞。
图73:脂质组合递送双链核酸进入A549细胞。
图74:脂质组合递送双链核酸进入A549细胞。
图75:脂质组合递送双链核酸进入MRC-5细胞。
图76:脂质组合递送双链核酸进入MRC-5细胞。
图77:脂质组合递送双链核酸进入MRC-5细胞。
图78:脂质组合递送双链核酸进入MRC-5细胞。
图79:脂质组合递送双链核酸进入MRC-5细胞。
图80:脂质组合递送双链核酸进入MRC-5细胞。
图81:脂质组合递送双链核酸进入MRC-5细胞。
图82:脂质组合促进核酸通过消化道进入肺。
图83:No.8(PE):No.12(PC)(v:v=1:2)介导抗纤维化HJT-sRNA-m7进入MRC-5细胞降低纤连蛋白表达。
图84:No.8(PE):No.12(PC)(v:v=1:2)介导siRNA进入A549细胞抑制相应蛋白表达。
图85:No.8(PE):No.12(PC)(v:v=1:2)介导siRNA进入A549细胞抑制相应蛋白表达。
图86:No.8(PE):No.12(PC)(v:v=1:2)介导siRNA进入THP-1细胞抑制相应蛋白表达。
图87:No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)介导抗纤维化HJT-sRNA-m7进入MRC-5细胞降低纤连蛋白表达。
图88:No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)。
图89:No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)。
图90:No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物介导NFκBsiRNA进入THP-1细胞抑制基因表达(水煮法)。
图91:No.8(PE):No.12(PC):No.PC(11)(v:v:v=1:2:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达。
图92:No.8(PE):No.12(PC):No.LPC(37)(v:v:v=1:2:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达。
图93:No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物介导CPSF4siRNA进入A549细胞抑制基因表达。
图94:No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)。
图95:No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达。
图96:No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)降低纤连蛋白表达。
图97:No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)。
图98:No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:2.5)介导具有抗纤维化效应的HJT小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC-5细胞(水煮法)降低纤连蛋白表达。
图99:No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质 混合物可以有效递送核酸进入细胞发挥作用。
图100:No.38(PE):No.37(LPC)(v:v=4:1)介导具有抗纤维化效应的HJT小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC-5细胞(水煮法)降低纤连蛋白及alpha-基质蛋白表达。
图101:No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)。
图102:No.38(PE):No.12(PC):No.2(DG)(v:v:v=4:1:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达。
图103:No.38(PE):No.37(LPC):No.12(PC)(v:v:v=4:1:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(逆向蒸发法)。
图104:No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物介导抗纤维化小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC-5细胞(水煮法)。
图105:No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)。
图106:No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物介导抗纤维化小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC-5细胞(水煮法)。
图107:No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)。
图108:脂质41通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞。
图109:脂质41通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入MRC-5细胞。
图110:脂质41通过水煮法法递送单链RNA进入A549及MRC-5细胞。
图111:数字PCR(ddPCR)技术检测脂质递送核酸效率。
图112:流式细胞技术检测脂质递送核酸效率。
图113:共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位。
图114:Western Blotting实验检测脂质递送核酸的效率。
图115:脂质单体No.41介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮 法)。
图116:脂质组合1(No.8+No.41=6:1)与脂质组合2(No.38+No.41=6:1)在核酸递送中的作用。
图117:脂质组合3(No.39+No.41=6:1)与脂质组合4(No.40+No.41=6:1)在核酸递送中的作用。
图118:脂质组合5(38+12+41+29=1:2:1:1)在核酸递送中的作用。
图119:脂质组合6(40(PE)+12(PC)+41(So)=2:4:3)在核酸递送中的作用。
图120:脂质组合7(12(PC)+41(So)=1:6)和脂质组合8(12(PC)+41(So)=1:1)在核酸递送中的作用。
图121:脂质组合9(12(PC)+41(So)=6:1)和脂质组合10(40(PE)+12(PC)+41(So)=2:2:2)在核酸递送中的作用。
图122:脂质组合11(4(Cer)+12(PC)+41(So)=1:1:1)在核酸递送中的作用。
图123:脂质38通过水煮法递送双链RNA进入A549细胞及MRC-5细胞。
图124:脂质38通过水煮法递送单链RNA进入A549细胞及MRC-5细胞。
图125:数字PCR(ddPCR)技术检测脂质递送核酸效率。
图126:流式细胞技术检测脂质递送核酸效率。
图127:共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位。
图128:脂质64通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞。
图129:流式细胞技术检测脂质递送核酸效率。
图130:共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位。
图131:脂质40在水煮法和逆向蒸发法中的递送效果。
图132:数字PCR(ddPCR)技术检测脂质递送核酸效率。
图133:共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位。
图134:Western Blotting实验检测脂质递送核酸的效率。
图135:脂质37通过水煮法递送单链RNA进入A549细胞及MRC-5细胞。
图136:脂质39通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞。
图137:数字PCR(ddPCR)技术检测脂质递送核酸效率。
图138:脂质60通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进 入A549细胞。
图139:脂质62通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞。
图140:脂质41可以促进小RNA进入血液,保护其在血液中不被降解。
图141:脂质41可以促进小RNA进入胃部细胞,保护其在胃中不被降解。
图142:脂质41可以促进小RNA进入小肠细胞,保护其在小肠中不被降解。
图143:脂质41可以促进小RNA进入肝脏,保护其在肝脏中不被降解。
图144:PE单体(No.38)可以有效口服递送sRNA单链核酸进入小鼠血液。
图145:PE单体(No.40)可以有效口服递送sRNA单链核酸进入小鼠血液。
图146:PE单体(No.64)可以有效口服递送sRNA单链核酸进入小鼠血液。
图147:PE单体(No.71)可以有效口服递送sRNA单链核酸进入小鼠血液。
图148:脂质在不同温度梯度有效递送单链核酸进入MRC5细胞。
图149A-D:流式细胞术检测PE(16:0/22:1)-GFP(逆向挥发法)在A549细胞中GFP蛋白的进入。
图150A-H:流式细胞术检测sphinganine(d22:0)-GFP(逆向挥发法及水煮法)在A549细胞中GFP蛋白的进入。
图151A-D:流式细胞术检测PE(16:0/16:0)-GFP(逆向挥发法)在A549细胞中GFP蛋白的进入。
图152:流式细胞术检测PE(16:0/22:1)-GFP(逆向挥发法)在A549细胞中GFP蛋白的进入。
图153:荧光共聚焦显微镜检测sphinganine(d22:0)-GFP(逆向挥发法)在A549细胞中GFP蛋白的进入。
图154:荧光共聚焦显微镜检测PE(16:0/16:0)-GFP(逆向挥发法)在A549细胞中GFP蛋白的进入。
具体实施方式
汤剂是经过热加工过的,其主要功能成分肯定是热稳定的。我们的研究首次证明小RNA在煎剂中是一类新的功能成分。我们从汤剂中提取具有热稳定性的“汤剂体”(decoctosome),并对其进行成分鉴定,发现“汤剂体”中含有 大量的脂质,化合物,蛋白质和核酸。在我们的实验室中通过比较证明“汤剂体”比汤剂有更好的疾病治疗效果。“汤剂体”首次被我们证实可以作为一种新型药物。我们还发现单一化合物鞘氨醇可在口服给药时在小鼠体内传递植物药小RNA,从而达到改善疾病症状的目的。我们将单一化合物鞘氨醇与小RNA混合后,经过热处理,形成“本草体”(bencaosome)。我们也首次揭示了“本草体”的制作方法。这可能是精确医学中的组合药物,而且还为核酸疗法提供了有效的口服递送途径。
经过大量实验,本发明人意外发现,一些植物药(包括红景天、蒲公英、穿心莲及金银花)中存在一些脂质组分,这些源自植物药的脂质能够促进核酸如小RNA吸收/进入细胞和/或有此需要的对象体内靶部位。在本发明中,脂质组分是合成的。
发明人令人惊奇地发现,多种脂质均可以形成脂质核酸复合物,有效促进核酸的细胞吸收与进入,有希望提高临床上核酸药物递送的效率。进一步研究表明,在不同细胞系上本申请的脂质核酸混合物均能促进核酸吸收与进入细胞的效率,但在不同细胞系上存在差异,这为药物靶向递送提供了可能性。而且这种脂质核酸复合物的核酸递送不具有序列的选择性,可以递送与小RNA大小对应(比如20bp左右)的不同序列的核酸片段。此外,共聚焦激光扫描显微镜实验(Confocal laser-scanning microscopy)证实,人工合成的脂质形成的脂质核酸混合物可以有效促进外源核酸进入细胞质。发明人意外地发现,通过水煮法或逆向蒸发法制备的脂质核酸混合物能够促进核酸如RNA通过非侵入式(如经消化道或经呼吸道以及表面施用)途径进入血液循环中和目标组织中。发明人还意外地发现,本申请的脂质能够促进核酸如RNA进入细胞,并调控(如抑制)其目标序列的表达,而对非目标序列则不显示出这种调控作用,显示出其目标特异性的调控作用,可作为核酸药物的递送方式。
表1.HJT汤剂体和PGY汤剂体中的脂质
Figure PCTCN2019077004-appb-000001
Figure PCTCN2019077004-appb-000002
Figure PCTCN2019077004-appb-000003
Figure PCTCN2019077004-appb-000004
Figure PCTCN2019077004-appb-000005
Figure PCTCN2019077004-appb-000006
Figure PCTCN2019077004-appb-000007
Figure PCTCN2019077004-appb-000008
Figure PCTCN2019077004-appb-000009
Figure PCTCN2019077004-appb-000010
Figure PCTCN2019077004-appb-000011
Figure PCTCN2019077004-appb-000012
Figure PCTCN2019077004-appb-000013
Figure PCTCN2019077004-appb-000014
Figure PCTCN2019077004-appb-000015
Figure PCTCN2019077004-appb-000016
Figure PCTCN2019077004-appb-000017
Figure PCTCN2019077004-appb-000018
Figure PCTCN2019077004-appb-000019
表2.HJT汤剂体中非功能性的小分子列表
Figure PCTCN2019077004-appb-000020
Figure PCTCN2019077004-appb-000021
Figure PCTCN2019077004-appb-000022
表3.HJT汤剂体中功能性的小分子列表
Figure PCTCN2019077004-appb-000023
Figure PCTCN2019077004-appb-000024
表4.PGY汤剂体中非功能性的小分子列表
Figure PCTCN2019077004-appb-000025
Figure PCTCN2019077004-appb-000026
Figure PCTCN2019077004-appb-000027
表5.PGY汤剂体中功能性的小分子列表
Figure PCTCN2019077004-appb-000028
Figure PCTCN2019077004-appb-000029
表6.HJT汤剂体中的蛋白列表
Figure PCTCN2019077004-appb-000030
Figure PCTCN2019077004-appb-000031
Figure PCTCN2019077004-appb-000032
表7.PGY汤剂体中的蛋白列表
Figure PCTCN2019077004-appb-000033
Figure PCTCN2019077004-appb-000034
Figure PCTCN2019077004-appb-000035
Figure PCTCN2019077004-appb-000036
Figure PCTCN2019077004-appb-000037
Figure PCTCN2019077004-appb-000038
Figure PCTCN2019077004-appb-000039
Figure PCTCN2019077004-appb-000040
表8.HJT汤剂体中的小RNA序列
Figure PCTCN2019077004-appb-000041
Figure PCTCN2019077004-appb-000042
Figure PCTCN2019077004-appb-000043
表9.PGY汤剂体中的小RNA序列
Figure PCTCN2019077004-appb-000044
通过本申请的技术方案,能够显著改进核酸的高效靶向递送,克服了现有技术中核酸脂质体存在包封率低、安全性差、稳定性差、制备工艺复杂、产品不均一、难以重现、以及靶向性有待进一步提高的缺陷。
表10合成的脂质列表
序号 品牌 货号 缩写 工作浓度(mg/mL)
1 Avanti 110882 DG(18:0/18:0/0:0) 5
2 Avanti 110883 DG(18:0/16:0/0:0) 5
3 Avanti 800816C DG(16:0/16:0/0:0) 10
4 Avanti 860627P C18 Dihydroceramide(d18:0/18:0) 10
6 Avanti 110613 TG(18:1/18:1/18:1) 1
8 Avanti 850756C PE(16:0/18:2) 10
9 Avanti 110521 TG(16:0/16:0/18:1) 5
10 Avanti 111000 TG(16:0/16:0/16:0) 10
11 Avanti 850468 PC(18:0/18:2) 10
12 Avanti 850458C PC(16:0/18:2) 10
13 Avanti 111002 TG(18:2/18:2/18:2) 10
14 Avanti 860634P C16 Dihydroceramide(d18:0/16:0) 5
15 Sigma P8577 TG(16:0/18:1/18:2) 1
16 Nu-chek T-160 TG(18:0/18:0/18:0) 1
17 Matreya 1326 So(d16:0) 1
18 Sigma D1782 TG(16:0/18:1/18:1) 5
19 Larodan 32-1656-7 DG(16:0/18:2) 5
20 Larodan 34-1603-7 TG(16:0/16:0/18:2) 5
21 Larodan 34-1862-7 TG(16:0/18:2/18:2) 5
22 Larodan 34-3003-7 TG(18:0/16:0/18:1) 5
23 Larodan 34-1822-7 TG(18:0/18:1/18:1) 5
24 Larodan 34-3007-7 TG(18:0/18:1/18:2) 5
25 Larodan 34-1827-7 TG(18:1/18:1/18:2) 5
26 Larodan 34-1828-7 TG(18:1/18:1/18:3) 5
27 Larodan 34-1866-7 TG(18:1/18:2/18:2) 5
28 Larodan 34-1855-7 TG(18:3/18:2/18:2) 5
29 Larodan 10-1840-4 FA(18:4) 5
30 Avanti 110748 Sphinganine(d18:0) 5
31 Avanti 110749 Sphinganine(d20:0) 1
32 Avanti 110520 TG(18:0/16:0/16:0) 5
33 Larodan 34-1810-7 TG(18:0/16:0/18:0) 10
34 Larodan 31-1820-7 MG(18:2p) 10
35 nu-chek D-251 DG(18:2/18:2) 10
36 Larodan 38-1802-0 LPC(18:2) 10
37 avanti 791251 LPC(18:3) 10
38 avanti 791016 PE(16:0/16:1) 10
39 avanti 792077C 16:1-18:1PE 10
40 avanti 792078C 16:0-22:1 PE 10
41 avanti 792079P Sphinganine(d22:0) 10
42 Larodan 31-2220 MG(22:2) 10
43 Larodan 32-1658 DG(16:0/18:3) 10
44 Larodan 34-1289 TG(18:1/18:1/20:4) 10
45 Larodan 34-1870 DG(18:3/18:2) 10
46 Larodan 32-1871 DG(20:5/18:2) 10
47 Larodan 34-1880 TG(18:3/18:2/18:3) 10
48 Larodan 34-2230 TG(18:1/22:1/22:1) 10
49 Larodan 34-3031 TG(16:0/16:1/18:1) 10
50 Larodan 34-3032 TG(16:0/18:1/18:3) 10
51 Larodan 34-3033 TG(16:0/18:1/20:4) 10
52 Larodan 34-3034 TG(18:3/18:2/20:5) 10
53 Avanti 792143 Cer(d16:0/16:0) 10
54 Avanti 792144 Cer(d20:0/18:0) 10
55 Avanti 792145 Cer(d22:0/18:0) 10
56 Avanti 792146 TG(16:0/18:2/18:3) 10
57 Avanti 792147 TG(18:1/18:2/18:3) 10
58 Avanti 792150 PEt(16:1/16:1) 10
59 Avanti 792151 dMePE(16:1/14:0) 10
60 Avanti 792152 dMePE(16:1/16:1) 10
61 Avanti 792153 dMePE(18:1/14:0) 10
62 Avanti 792154 dMePE(16:1/18:1) 10
63 Avanti 792156 PC(18:0/18:3(6Z,9Z,12Z)) 10
64 Avanti 792155 PE(15:0/24:1(15Z)) 10
65 Avanti 792157 PC(20:0/14:1(9Z)) 10
66 Avanti 792160 TG(18:0/18:2/18:3) 10
67 Avanti 792148 TG(18:1/18:2/20:5) 10
68 Avanti 792149 TG(20:5/18:2/18:2) 10
69 Avanti 792158 PC(18:1(11Z)-16:1(9Z)) 10
70 Larodan 32-1830-7 DG(18:3/18:3) 25
71 Larodan 37-1620-7 PE(16:0/16:0) 25
表11:脂质1-32的描述
Figure PCTCN2019077004-appb-000045
Figure PCTCN2019077004-appb-000046
Figure PCTCN2019077004-appb-000047
Figure PCTCN2019077004-appb-000048
表12:脂质33-71的描述
Figure PCTCN2019077004-appb-000049
Figure PCTCN2019077004-appb-000050
Figure PCTCN2019077004-appb-000051
Figure PCTCN2019077004-appb-000052
Figure PCTCN2019077004-appb-000053
术语定义
汤剂体(decoctosome):由脂质、蛋白质、核酸和化合物等物质构成的,来源于植物汤剂中的具有热稳定性的外泌体样的膜结构的纳米颗粒状物质。在本申请中,汤剂体也可以称为膜结构的活性组合物,优选地通过前文项10-13的方法制备的活性组合物。
本草体(bencaosome):人工制备的具有膜结构的纳米颗粒状物质。该膜结构包括一种或多种脂质成分,其特点为来源于化学合成或化学分离提纯,包括但不限于表1或表10所示的脂质或与之有70%及以上近似性的脂质(脂质近似性由以下方法界定:有相同母体结构),杂质成份低于5%;将脂质与或/和与下列任意一项或多项混合:一种或多种核酸、一种或多种化合物、一种或多种大分子。本草体是通过加热脂质与其他物质,包括一种或多种核酸、一种或多种化合物和/或一种或多种大分子制备的膜结构的纳米颗粒状物质。在本申请中,本草体也可以称为膜结构的活性组合物,优选地通过前文 项1-2、5-9或20-28的方法制备的活性组合物。
所述一种或多种脂质成分可以是合成或提纯的,包括但不限于表1或表10所示的脂质;所述一种或多种核酸成分可以是合成或提纯的,包括但不限于表8、9或表13所示的RNA;所述一种或多种化合物可以是合成或提纯的,包括但不限于表2-表5所示的化合物;所述一种或多种大分子成分可以是合成或提纯的,包括但不限于表6或表7所示的蛋白;
本申请中所述的逆向蒸发法,是指将核酸/大分子/化合物的水溶液加入到脂质有机溶剂溶液中,超声,蒸发挥除有机溶剂后,水化得到脂质与核酸/大分子/化合物的混合物。
本申请所述的水煮法(也称加热法),是指将脂质的有机溶剂溶液加到核酸/大分子/化合物的水溶液中,约90℃煮15min,得到脂质与核酸/大分子/化合物的混合物;该方法并不限于水煮升温,还可以通过其它现有技术中已知的升温或加热的方式实现。
逆向蒸发法和水煮法,在受控的温度和混合条件下进行。合适的处理时间、和温度可以由本领域技术人员容易地确定。例如,逆向蒸发法的温度的范围优选约25℃至约70℃,更优选约30℃至约65℃,并且更优选约40℃至约60℃,特别是约55℃。水煮法温度的范围优选约0℃至约100℃,更优选约50℃至约100℃,并且更优选约70℃至约90℃,特别优选为约80℃至90℃。
本申请所述的核酸包括合成的以及提纯的DNA和RNA,优选RNA,更加优选小RNA,例如所述小RNA长度可以是14-32bp、16-28bp、18-24bp,具体地其长度可以是14、15、16、17、18、19、20、21、22、23、24、25、26、27、28、29、30、31、32bp。
发明人令人惊奇地发现,多种脂质均可以形成脂质-核酸/大分子/化合物复合物,有效促进核酸的细胞吸收与进入,有希望提高临床上核酸药物递送的效率。进一步研究表明,在不同细胞系上本申请的脂质核酸混合物均能促进核酸吸收与进入细胞的效率,但在不同细胞系上存在差异,这为药物靶向递送提供了可能性。而且这种脂质核酸复合物的核酸递送不具有序列的选择性,可以递送与小RNA大小对应(比如20bp左右)的不同序列的核酸片段。此外,共聚焦激光扫描显微镜实验(Confocal laser-scanning microscopy)证实,人工合成的脂质形成的脂质核酸混合物可以有效促进外源核酸进入细胞 质。发明人意外地发现,通过水煮法或逆向蒸发法制备的脂质核酸混合物能够促进核酸如小RNA通过非侵入式(如经消化道或经呼吸道以及表面施用)途径进入血液循环中和目标组织中。发明人还意外地发现,本申请的脂质能够促进核酸如小RNA进入细胞,并调控(如抑制)其目标序列的表达,而对非目标序列则不显示出这种调控作用,显示出其目标特异性的调控作用,可作为核酸药物的递送方式。
本申请的脂质化合物选自溶血卵磷脂、神经酰胺、甘油二酯、磷脂酰乙醇胺、磷脂酰胆碱、甘油三酯、单半乳糖甘油二酯、(神经)鞘氨醇、磷脂酰乙醇、单酰基甘油、脂肪酸、血小板活化因子、或二甲基磷脂酰乙醇胺。在一个实施方案中,脂质是非天然的,例如合成的,或者发酵生产的。
合成或提纯的脂质可以用于将核酸/大分子/化合物递送至靶细胞中。脂质可以用于将核酸/大分子/化合物递送至有此需要的对象体内,进入其血液循环和/或目标部位/细胞中。
合成或提纯的脂质可以选自磷脂酰胆碱,例如1-硬脂酰-2-油酰-sn-甘油-3-磷酸胆碱(PC(18:0/18:2),即表1中第11号脂质),和1-棕榈酰-2-油酰-sn-甘油-3-磷酸胆碱(PC(16:0/18:2),即表1中第12号脂质)。这两种磷脂酰胆碱(phosphocholine,PC)能够高效地包裹核酸或促进核酸进入细胞。脂质可以是表1中的第41号脂质,即二氢神经鞘氨醇(d22:0),其能够高效地包裹核酸或促进核酸进入细胞。
本申请提供组合物,其包含本文所述的脂质和核酸、大分子、化合物,优选地所述核酸为小RNA。
可以将组合物配制成供非侵入式施用(如表面施用)和/或注射施用,例如配制成供经消化道、经呼吸道和/或注射施用,例如口服、吸入和/或注射施用。在一些情况下,优选使用侵入式施用途径(如注射施用,包括肌肉注射、皮下注射、静脉注射、动脉注射、腹腔注射、目标组织内注射);而在另一些情况下,则优选使用非侵入式施用途径。
在组合物中,至少一部分或者全部所述脂质和核酸可以配制成脂质核酸混合物形式。有多种不同的脂质核酸混合物的制备方法已经广泛公开,可以根据实际需要选择合适的脂质核酸复合物的制备方案。
本申请提供一种套装组合,其包含本申请所述的脂质以及核酸,其中所 述脂质和核酸各自独立地提供于第一容器和第二容器中,所述第一容器和第二容器可以相同或不同。在一些实施方案中,在临使用前将所述脂质和所述核酸至少部分地或全部地配制成脂质核酸复合物。
本申请提供一种将核酸、大分子、化合物递送至靶组织/细胞中的方法,其中以本申请所述药物组合物或者套装组合的形式提供所述核酸、大分子、化合物。
本申请提供一种将核酸、大分子、化合物体内递送至有此需要的对象中的方法,其中以本申请所述药物组合物或者套装组合的形式提供所述核酸,例如将所述核酸体内递送至所述对象的血液循环中或者靶组织/细胞中,例如其中所述脂质与所述核酸经非侵入式施用(如表面施用)和/或注射施用,例如经消化道、经呼吸道和/或注射施用,例如口服、吸入和/或注射施用。
本申请提供一种预防和/或治疗能用汤剂体和本草体预防和/或治疗之疾病/病症的方法,其包括向有此需要的对象提供本申请所述的药物组合物或套装组合,例如其中所述脂质与所述核酸经非侵入式施用(如表面施用)和/或注射施用,例如经消化道、经呼吸道和/或注射施用,例如口服、吸入和/或注射施用。令人惊奇地是,这种非侵入式的施用方式(例如经消化道、经呼吸道,包括口服、灌胃、吸入等)能够显著促进核酸的进入和发挥功能。
本申请提供制备前述药物组合物或套装组合的方法,以及用于上述各方面中所述方法的药物组合物和/或套装组合的用途。此外还提供用于本申请上述各种方法的脂质、药物组合物和/或套装组合。
核酸可以是小RNA,例如所述小RNA长度可以是14-32bp、16-28bp、18-24bp,具体地其长度可以是14、15、16、17、18、19、20、21、22、23、24、25、26、27、28、29、30、31、32bp。此外,本申请所述小RNA可以是单链的,例如通过茎环结构连接起来,也可以是双链的。例如,本申请所述核酸可以是HJT-sRNA-m7,其具有如下序列:ugagguagua gguugugugg uuguaagc。
本申请的组合物或套装组合或化合物可以用于治疗疾病,例如癌症,例如胃癌、肺癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤;例如炎症,例如肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体 炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎;以及纤维化等。
本申请的组合物或套装组合或化合物可以用于在体外或在体内处理,例如抑制NCI-N87细胞(胃癌细胞),MRC-5细胞(肺成纤维细胞),A549细胞(肺癌细胞)的生长。
在本申请的各种实施方案中,可以通过多种方式获得脂质核酸混合物,例如逆向蒸发法或水煮法。逆向蒸发法,将核酸的水溶液加入到脂质有机溶剂溶液中,超声,蒸发挥除有机溶剂后,水化得到脂质与核酸的混合物。本申请所述的水煮法,是指将脂质的有机溶剂溶液加到核酸的水溶液中,约100℃煮30min,得到脂质与核酸的混合物。逆向蒸发法和水煮法,在受控的温度和混合条件下进行。合适的处理时间和温度可以由本领域技术人员很容易地确定。例如,逆向蒸发法的温度的范围优选约25℃至约70℃,更优选约30℃至约65℃,更优选约40℃至约60℃,特别优选约55℃。水煮法(也称加热法)的温度范围优选约25℃至约100℃,更优选约50℃至约100℃,更优选约70℃至约90℃,特别优选约90℃。
实施例
以下实施例结合附图仅为举例说明本文公开的发明,在任何情况下都不应解释为对所附权利要求保护范围的限制。
材料和方法
表13:实施例所用的部分小RNA及其序列
Figure PCTCN2019077004-appb-000054
Figure PCTCN2019077004-appb-000055
Figure PCTCN2019077004-appb-000056
说明:带有“si-”前缀的符号标示为双链sRNA。
表14:实施例中使用的部分抗体
Figure PCTCN2019077004-appb-000057
第一部分实验
实施例1
1.植物药水煎液的制备和汤剂体的提取
1.1植物药水煎液的制备
1)取200g植物药饮片(红景天,蒲公英,购自北京同仁堂药店),加入1000ml ddH 2O浸泡30min。
2)煎煮锅强火煎煮30min,文火煎煮10min。
3)煎煮后的汤剂红景天约250mL,蒲公英约360ml。
1.2汤剂体的制备
1)取200g饮片(红景天,蒲公英,购自北京同仁堂药店),加入1000ml ddH 2O浸泡30min。
2)煎煮锅强火煎煮30min,文火煎煮10min。
3)煎煮后的汤剂红景天约250mL,蒲公英约360ml。
4)所得水煎液经4℃差速离心(2,000g 30min离心取上清,10,000g 30min离心取上清,200,000g 90min弃上清)后得沉淀。
5)用双蒸水重悬,取适量分装到EP管中真空抽干约5h后获得汤剂体的沉淀物,进行称重定量。
其他植物药的水煎液和汤剂体沉淀物的制备方法与1.1和1.2节中所述的方法相同。汤剂体的制备过程的示意图参见图1。
2.植物药中汤剂体的特征
2.1透射电镜观察植物药中汤剂体的形态
用双蒸水重悬1.2节中获得的沉淀物以获得汤剂体溶液。
2)将汤剂体进行透射扫描电镜的形态学观察。
2.2植物药中汤剂体的粒径和Zeta电位检测
1)用pH7.4的PBS缓冲液重悬1.2节中获得的沉淀物以获得汤剂体。
2)用动态光散射技术(DLS),仪器Zetasizer Nano ZS90(Malvern Instrument,UK)检测汤剂体的粒径和Zeta电位,并进行数据分析。
红景天和蒲公英的汤剂体的电镜观察结果分别参见图2和图3。红景天和蒲公英汤剂体的粒径分布和Zeta电位分别参见图4和图5。
3.植物药中汤剂体的组分分析
3.1植物药中汤剂体的蛋白质组学分析
3.1.1试剂耗材:
Milli-Q water、Non-powder gloves、Face mask、Hat、10μl和200μl tips(eppendorf)、乙腈(Fisher A/0626/17)、甲醇(Fisher)、硫代硫酸钠·5H2O(Sodium thiosulfate pentahydrate)(Sigma)、铁氰化钾(Potassium ferricyanide)(Sigma)、二硫苏糖醇(Dithiothreitol)(PlusOne)、碘乙酰胺(Iodoacetamide)(Sigma)、胰酶(Trypsin)(Promega V5280)、胰酶重溶液(Trypsin resolve solution)(Promega V530)、碳酸氢铵(Ammonium bicarbonate)(Sigma A6141)、Zip Tip (Millipore)、FA甲酸(Sigma)、0.2ml和0.5ml EP管(eppendorf)、50ml EP、15ml EP(Corning)。
3.1.2主要仪器:
Q Exactive mass spectrometer(Thermo fisher)、真空干燥仪、水浴锅、10μ和200μ移液器、废液缸、制冰和装冰设备、200μ管架、剪刀、能装放置了200μ管管架的塑料盒、200μl管离心机
3.1.2实验步骤
1)蛋白提取:
A.称取适量样品,加入5倍体积的预冷10%TCA-丙酮震荡混合,-20℃沉淀2小时或过夜。
B.4℃,12000g离心10分钟,收集沉淀。
C.加入适量体积的预冷丙酮震荡混合,4℃,12000g离心15分钟,收集沉淀,重复该步骤两次,彻底去除其他杂质。
D.常温下干燥,溶解于1ml样品溶解液中(9M尿素,4%CHAPS,1%IPG Buffer,1%DTT),充分溶解蛋白,用于后续实验。
2)酶切:
取浓度为15ng/μL的胰蛋白酶(用25mmol/L NH 4HCO 3稀释),按照7-10μL/管的量加入胰蛋白酶溶液,放入4℃冰箱孵育40min,取出后每管补加5-10μL 25mmol/L NH 4HCO 3溶液,密封置于37℃水浴中酶切16h。
3)肽段提取:
加提取液(5%TFA-50%ACN-45%水)100μL/管,37℃水浴1h后,超声5min,离心5min,将提取液移入另一新EP管中,重复提取一次,将提取液合并,真空离心干燥。
4)质谱检测
A.肽段用样品溶解液(0.1%甲酸、2%乙腈)溶解,充分振荡涡旋,13200rpm,4℃离心10分钟,上清转移到上样管中,进行质谱鉴定;
B.色谱柱信息:
300um i.d.x 5mm,填充有Acclaim PepMap RSLC C18,5um,
Figure PCTCN2019077004-appb-000058
nanoViper
Acclaim PepMap 75um X 150mm,C18,3um,100A
流动相A:0.1%甲酸;
流动相B:0.1%甲酸,80%ACN;
流速:300nL/min;
每个组分分析时间:40min;
时间 B相
0 5%
5 5%
25 50%
30 90%
35 90%
45 5%
C.分离后的肽段直接进行在线检测,具体参数如下:
一级质谱参数:
Resolution:70,000
AGC target:3e6
Maximum IT:40ms
Scan range:350to 1800m/z
二级质谱参数:
Resolution:17,500
AGC target:1e5
Maximum IT:60ms
TopN:20
NCE/stepped NCE:27
4)数据库检索
质谱原始文件经过MM File Conversion软件处理转换,得到MGF格式文件,然后用MAXQUANT检索uniprot-Viridiplantae数据库,检索参数如下:
a)固定修饰(Fixed modifications):Carbamidomethyl(C)
b)可变修饰(Variable modifications):Oxidation(M)
c)酶(Enzyme):Trypsin
d)遗漏酶切位点(Maximum Missed Cleavages):2
e)一级质谱误差(Peptide Mass Tolerance):20ppm
f)二级质谱误差(Fragment Mass Tolerance):0.6Da
g)肽段/碎片离子质量数(Mass values):Monoisotopic(单同位素)
h)显著性阈值(Significance threshold):0.05
3.1.3结果说明
Accession(蛋白在uniprot数据库中的ID号),Description(蛋白注释),Exp.q-value(q-value值,越小越好),Sum PEP Score(蛋白打分,分数越高越好),Coverage(鉴定到的肽段氨基酸占蛋白总氨基酸的覆盖度),#Peptides(鉴定到的该蛋白的肽段数),#PSMs(鉴定到相应蛋白的所有肽段总数),#Unique Peptides(鉴定到对应蛋白的特异肽段的数目),#Protein Groups(鉴定到肽段对应的蛋白数),#Aas(鉴定到相应蛋白的理论氨基酸个数),MW[kDa](鉴定到相应蛋白的理论分子量),calc.pI(鉴定到相应蛋白的理论等电点),score:蛋白打分;Intensity:蛋白相对强度。
Sequence(肽段氨基酸序列),#Proteins肽段对应蛋白的个数#PSMs鉴定到该肽段的次数,Master Protein Accessions肽段对应蛋白的ID,Theo.MH+[Da]肽段理论分子量。
蛋白质组学分析测定结果参见上文表6和表7以及图19和20。
3.2植物药中汤剂体的化合物代谢组学分析
1)液相条件:
采用Waters H-class型号超高效液相色谱对样品进行分离。分析条件如下:色谱柱:waters HSS C18(3.0X100mm,1.7um),柱温50℃;流动相A为0.1%甲酸水,流动相为乙腈;分析梯度为:0-1min,2%B;1-3min,2%B-15%B;3-6min,15%B-50%B;6-9min,50-95%B;9-9.1min,95-100%B-2%B;9.1-12min,100%B;流速为0.5ml/min;进样体积为5ul
2)质谱条件:
UPLC质谱串联LTQ-Orbitrap velos(Thermo Fisher Scientific,SanJose,CA,USA)质谱,采用电喷雾离子源正离子模式;鞘气为氮气和辅助气,流速分别为45 arbitrary units and 10 arbitrary units;质谱扫描范围为100–1000m/z;spray voltages设为4.2KV;离子传输管温度350℃。数据采用高分辨傅里叶转换模式(FT)获取,一级分辨率为60000;二级分辨率为15000;二级采用数据依赖(data-dependent)分析模式;动态排除时间为15s;碎裂方式选择HCD,相 关参数设置如下:isolation width:3 Da;碰撞能量:根据不同代谢物选择20%,40%和60%;activation time:30ms。
3)结果分析:
由UPLC-LTQ orbitrap获得的原始数据,采用Waters公司的商业组学分析软件progenesis QI(Version 2.0,Nonlinear Dynamics,UK)软件进行处理。处理过程包括峰对齐,峰识别和峰校正及输出三维矩阵,即由保留时间和精确质荷比组成的谱峰索引变量、样本名称和峰强度/面积组成。获得的数据根据质控样本的变异系数(CV)筛选CV小于30%的变量进行后续多元统计分析。变量矩阵首先导入SIMCA-P software 14.0(Umetrics AB,Umea,Sweden)进行PCA分析,可视化组间变化趋势。组间差异变量通过OPLS-DA模型获取的VIP值进行筛选,VIP值大于1.5的变量认为是组间显著性差异变量,可作为侯选的潜在标志物。将鉴定得到的差异性变量进行代谢通路分析,分析与疾病进程相关性较强的代谢通路。
红景天和蒲公英汤剂体中小分子分析结果参见表2-5和图17-18。
3.3植物药中汤剂体的小RNA的高通量测序及分析
1)提取过程中得到的植物药的汤剂体的沉淀,用Trizol(Sigma)裂解进行RNA提取。
2)使用Illumina HiSeq2500平台测序,50SE,由北京贝瑞和康生物技术股份有限公司完成。
3)使用fastx_toolkit软件(v0.0.13)去除测序读段的接头并保留长度大于等于18nt的小RNA序列(调用命令fastx_clipper),去除质量较低的序列(调用命令fastq_quality_filter,设置参数-q10,-p100)。
4)对小RNA序列进行长度分布统计。
5)对小RNA序列进行去冗余处理,去除重复的读段。
6)用bowtie软件(http://bowtie-bio.sourceforge.net/index.shtml)对植物药汤汁、汤剂体中的小RNA序列进行建库(调用命令bowtie-build),并筛选出服用植物药(连续口服植物药(10g,约100ml)汤剂三天)后人血中既能匹配到植物药汤汁又能匹配到汤剂体的小RNA序列(调用命令bowtie)。
7)对于像红景天这种已知基因组的植物药,需要用bowtie软件将上述小RNA序列匹配植物药的基因组,获得能匹配的序列。
8)从上述得到的小RNA中筛选出在植物药汤汁及汤剂体中读段数大于5,且服用植物药后人血中读段数高于服用植物药前人血中读段数的小RNA序列。
9)对于上述有包含关系的小RNA序列,取长度最短的小RNA序列与在服用植物药(10g,约100ml)后的人血中读段数最高的序列。
红景天和蒲公英汤剂体中小RNA分析结果参见表8-9和图21-22。
3.4脂质质谱方法:
脂质提取及高效液相色谱-二级质谱联用技术
采用Bligh&Dyer法提取红景天汤剂体和蒲公英汤剂体中的脂质(Bligh and Dyer,1959)。高效液相色谱-二级质谱连用分析由上海敏芯信息科技有限公司完成。色谱条件:柱温为45℃;流速0.4mL/min;二元梯度洗脱,70%流动相A 2min;线性增加至少20min至100%流动相B;100%B 2min;70%A 5min;进样量4uL;阴离子模式质谱条件:源喷射电压为3.0kV;加热毛细管温度300℃;鞘气流速为45Arb;辅助气流速为15Arb;扫气流速为1Arb;s-lens RF水平30%;扫描范围m/z 200-1,500;正离子模式质谱条件:源喷射电压为2.5kV;加热毛细管温度350℃;鞘气流速为45Arb;辅助气流速为10Arb;扫气流速为1 Arb;s-lens RF水平60%;扫描范围m/z 200-1,500;
LC-MS数据利用Thermo SIEVE 2.1 Qualitative分析软件(Thermo Fisher Scientific,美国)进行初步分析。然后,将每个样品的数据均一化到总面积,并将具有峰值数[基于保留时间和质量电荷比(m/z)]、样品名称和均一化的峰值强度的所有数据导入SIMCA-P+13.0(Umetrics,瑞典)再次进行处理和分析。
4.植物药水煎液和汤剂体的细胞模型中的功能验证试验
4.1 MRC-5细胞、A549细胞的培养
实验所用人胚肺成纤维细胞系MRC-5、人肺腺癌细胞系A549购自北京协和医学院细胞培养中心。细胞均置于37℃、5%CO2培养箱内培养。其中,MRC-5细胞于EME培养基(Gibco)中培养;A549细胞置于Ham’s F-12培养基(HyClone)中培养;各培养基均含10%胎牛血清和一定比例的抗生素(青霉素100U/ml&链霉素100mg/ml)。
4.2蛋白免疫印迹法(Western blot)检测红景天(HJT)水煎液和HJT汤剂体 在TGF-β1诱导的MRC-5细胞纤维化模型中纤连蛋白蛋白表达水平变化
4.2.1水煎液相关实验分组如下:
1)未处理组:是指未经处理的MRC-5细胞,该组作为空白对照组。
2)TGF-β1刺激组:是指3ng/mL转化生长因子TGFβ1(Pepro Tech)处理72小时的MRC-5细胞,该组作为阳性对照组。
3)水煎液实验组:是指3ng/mL转化生长因子TGFβ1(Pepro Tech)处理72小时的MRC-5细胞,提前24小时加入对照植物木香(MX,木香水煎液制备方法与红景天水煎液的制备相同)和HJT的水煎液300ug/ml(每毫升培养液中加入水煎液300ug,水煎液定量以液体抽干后沉淀量计)。
4.2.2汤剂体相关实验分组如下:
1)未处理组:是指未经处理的MRC-5细胞,该组作为空白对照组。
2)TGF-β1刺激组:是指3ng/mL转化生长因子TGFβ1(Pepro Tech)处理72小时的MRC-5细胞,该组作为阳性对照组。
3)汤剂体实验组:是指3ng/mL转化生长因子TGFβ1(Pepro Tech)处理72小时的MRC-5细胞,提前24小时加入对照植物MX和HJT的汤剂体50ug/ml(每毫升培养液中加入汤剂体50ug,以液体抽干后沉淀量计)。
4.2.3蛋白样品的收集与BCA法浓度测定:
1)提前24小时干预后TGF-β1刺激72小时的MRC-5细胞的蛋白样品的收集与BCA法测定蛋白浓度:
A.弃去培养基,12孔板细胞(10 6),每孔加入1mL PBS缓冲液清洗一遍,每孔加入100μL预冷的强RIPA裂解液(配方如下),将细胞用枪头刮下并转移到离心管中,置冰上裂解20min;
Figure PCTCN2019077004-appb-000059
B.4℃,12,000rpm,离心10min,转移上清至新的离心管中;
C.将BCA试剂A与B(TIANGEN,#PA115)(50:1,v/v)充分混匀,配制BCA工作液;
D.分别取25μL新鲜配制的BSA标准液和待测样品,加入到96孔板中,每孔中加入200μL BCA工作液,并充分混匀;37℃孵育30min;
E.用紫外分光光度计(Synergy 4多功能酶标仪)于562nm处检测其吸光度,根据标准曲线计算出样品中的蛋白浓度;
F.用RIPA裂解液和Loading Buffer(10%SDS 20ml,蔗糖5g,溴酚蓝0.2g,beta-巯基乙醇5ml)调节样品浓度,使各样品浓度一致(与最低浓度一致);
G.95℃,变性处理10min。
4.2.4蛋白免疫印迹法检测(Western blot)
A.制胶:采用10%浓度分离胶(下层胶)和5%浓度的浓缩胶(上层胶),15孔梳子所做泳道,每个泳道样品蛋白上样量相等;
B.蛋白电泳:加入电泳缓冲液,电泳起始电压80V;当溴酚兰染料到分离胶后,提高电压至120V继续电泳,直至溴酚兰染料达到分离胶底部或全部泳出凝胶;
C.湿法转膜:按照转膜夹板(负极)-海绵-滤纸-凝胶-PVDF膜-滤纸-海绵-转膜夹板(正极)的顺序进行组装;安装后并将整个转膜装置置于4℃冷室;恒定电流300mA,转膜120min;
D.封闭:转膜结束后置于3%BSA封闭液中,室温封闭1h;
E.一抗孵育:将封闭后的PVDF膜转移至杂交袋中,加入含有对应一抗(一抗的信息如下)的3%BSA封闭液,赶出袋中气泡,密封后4℃过夜孵育;
纤连蛋白抗体(sigma F7387)
GAPDH抗体(protein tech 60004-1)
F.洗膜:将PVDF膜取出,用TBST洗膜3次,每次10min;
G.二抗孵育:弃去TBST,加入含有带有辣根过氧化物酶(HRP)的山羊抗兔或山羊抗小鼠的二抗(购自杭州联科生物技术有限公司)的3%BSA封闭液(二抗稀释比例1:5000),室温孵育1小时;
H.洗膜:用TBST洗膜3次,每次10min;
I.显影:配制Western显色液(1:1,V/V,Merck Millipore,ECL化学发光显色液购自Millipore公司),并将配制好的显色液均匀滴加于膜结合蛋白的一侧;用保鲜膜小心的将膜包好,显色后观察;
J.分析:用Image J软件进行分析。
4.3实时荧光定量PCR(RT-qPCR)检测PGY水煎液和PGY汤剂体在poly(I:C)刺激的A549细胞的炎症模型中IL-1β/IL-6/TNF-α的mRNA表达水平
4.3.1水煎液相关实验分组如下:
1)未处理组:是指未经处理的A549细胞,该组作为空白对照组。
2)poly(I:C)刺激组:是指1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)处理的A549细胞6小时,该组作为阳性对照组。
3)水煎液实验组:是指提前加入对照植物卷心菜(JXC)或蒲公英(PGY)的汤剂(10ug/ml、30ug/ml、100ug/ml)共孵育24小时后,1μg/mL双链RNA病毒模拟物poly(I:C)处理的A549细胞6小时。
4.3.2汤剂体相关实验分组如下:
1)未处理组:是指未经处理的A549细胞,该组作为空白对照组。
2)poly(I:C)刺激组:是指1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)处理的A549细胞6小时,该组作为阳性对照组。
3)汤剂体实验组:是指1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)处理的A549细胞6小时,提前24小时加入对照植物卷心菜(JXC)和蒲公英(PGY)的汤剂体(制备方法与红景天汤剂体的制备方法相同)2ug/ml、6ug/ml、20ug/ml。
4.3.3细胞总RNA的提取
A.12孔板培养细胞(约1×10 6个细胞/孔),弃培养液后每孔加入1mL TRIzol裂解液后,先置于冰上,待所有的样品都加入TRIzol后,室温放置5min,使其充分裂解;
B.4℃,12,000rpm离心5min,弃沉淀,将TRIzol转移到新的离心管中;
C.按200μL氯仿/mL TRIzol加入氯仿,充分振荡,混匀后室温放置5min;
D.4℃,12,000rpm,离心15min;
E.吸取上层水相,至另一离心管中,按0.5mL异丙醇/mL TRIzol加入异丙醇混匀,室温放置5-10min;
F.4℃,12,000rpm,离心15min,弃上清,RNA沉于管底;
G.加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
H.4℃,12,000rpm,离心10min,弃上清,加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
I.4℃,12,000rpm,离心10min,弃上清,室温晾干,用50μL RNase-free的H2O溶解RNA样品,测O.D值定量RNA浓度。
4.3.4将总RNA逆转录为cDNA
通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,Applied Biosystems,cat.no.4368813),将RNA逆转录为cDNA,逆转录体系如下:上文提取的总RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,RT随机引物2.0μL,MultiScribeTM逆转录酶1.0μL,RNA酶抑制剂1.0μL(Invitrogen),无核酸酶H 2O 3.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH 2O,补足终体积至40μL。
4.3.5定量PCR扩增反应
qPCR反应体系总体积10μL,包括:5μL 2×SYBR Green Master Mix,0.5μL正向引物(10μM),0.5μL反向引物(10μM),1μL逆转录得到的cDNA,3μL无RNA酶ddH2O。使用LightCycler 480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成,引物序列(内参基因UBC正向引物:CTGGAAGATGGTCGTACCCTG,内参基因UBC反向引物:GGTCTTGCCAGTGAGTGTCT;目的基因IL-1β正向引物:CTCGCCAGTGAAATGATGGCT:目的基因IL-1β反向引物:GTCGGAGATTCGTAGCTGGAT;目的基因IL-6正向引物:GGTACATCCTCGACGGCATCT:目的基因IL-6反向引物:GTGCCTCTTTGCTGCTTTCAC;目的基因TNF-α正向引物:CTGCCCCAATCCCTTTATT:目的基因TNF-α反向引物:CCCAATTCTCTTTTTGAGCC)。
4.3.6 mRNA的相对表达量的计算
利用2-ΔCt法(基因相对表达量=2-(Ct目的基因-Ct内参基因))计算相对进入量(单链或双链RNA)。
4.4双荧光报告基因验证PGY-sRNA-6的靶基因
HEK293T细胞经胰酶消化后加入48孔板培养约24h后,使用转染试剂Lipofectamine RNAiMAX瞬时转染PGY-sRNA-6和NC阴性对照(单链NC序列 UUGUACUACACAAAAGUACUG),终浓度为100nM,24h后使用转染试剂Lipofectamine 2000每孔转染300ng野生型psiCHECK2-3’-UTR(购自Promega,#C8201)及突变型psiCHECK2-3’-mUTR质粒(生工合成,突变序列参见图32),转染后48h按照双荧光素酶报告基因检测试剂盒(Promega,#E1960)步骤收取细胞样品检测表达量。
4.5酶联免疫印记实验(ELISA)检测蒲公英汤剂及汤剂体在poly(I:C)刺激的A549细胞的炎症模型中IL-6的蛋白表达水平
4.5.1水煎液汤剂相关实验分组如下:
1)空白组:是指未经处理的A549细胞,收取培养基上清液进行蛋白含量ELISA检测,该组作为空白对照组。
2)poly(I:C)刺激组:是指1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)处理的A549细胞6小时,收取培养基上清液进行蛋白含量ELISA检测。该组作为阳性对照组。
3)汤剂实验组:是指提前加入对照植物卷心菜(JXC)或蒲公英(PGY)的汤剂(10ug/ml、30ug/ml、100ug/ml)共孵育24小时后,1μg/mL双链RNA病毒模拟物poly(I:C)处理的A549细胞6小时。收取培养基上清液进行蛋白含量ELISA检测。
根据图9D,100ug/ml汤剂可以降低poly(I:C)刺激引起的A549细胞白细胞介素6的表达。
4.5.2汤剂体相关实验分组如下:
1)空白组:是指未经处理的A549细胞,该组作为空白对照对照组。
2)poly(I:C)刺激组:是指1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)处理的A549细胞6小时,收取培养基上清液进行蛋白含量ELISA检测。该组作为阳性对照组。
3)汤剂体实验组:是指提前加入对照植物卷心菜(JXC)或蒲公英(PGY)的汤剂体(2ug/ml、6ug/ml、20ug/ml)共孵育24小时后,1μg/mL双链RNA病毒模拟物poly(I:C)处理的A549细胞6小时。收取培养基上清液进行蛋白含量ELISA检测。
根据图9E,20ug/ml汤剂体可以明显降低poly(I:C)刺激引起的A549细胞白细胞介素6的表达,有效性明显高出同剂量汤剂。
4.6红景天汤剂体RNA提取及琼脂糖凝胶电泳检测汤剂体中的小RNA
1)200g红景天饮片煎煮后差速离心法提取汤剂体;
2)汤剂体沉淀加6毫升TRIZol(sigma-Aldrich)充分裂解,提取汤剂体RNA;
3)将提取后RNA均分4份分别如下处理:不加处理,加入5ul DNA酶I,加入5ul RNA酶A,加入5ul DNA酶I和RNA酶A,37度水浴消化过夜
4)琼脂糖凝胶电泳:用1%琼脂糖凝胶进行凝胶电泳,电泳条件90伏20分钟。结束后于紫外灯下观察。
根据图9F,红景天汤剂体中存在小RNA,25bp左右。
4.7蒲公英汤剂体RNA提取及琼脂糖凝胶电泳检测汤剂体中的小RNA
1)200g蒲公英饮片煎煮后差速离心法提取汤剂体;
2)汤剂体沉淀加6毫升TRIZol(sigma-Aldrich)充分裂解,提取汤剂体RNA;
3)将提取后RNA均分4份分别如下处理:不加处理,加入5ul DNA酶I,加入5ul RNA酶A,加入5ul DNA酶I和RNA酶A,37度水浴消化过夜
4)琼脂糖凝胶电泳:用1%琼脂糖凝胶进行凝胶电泳,电泳条件90伏20分钟。结束后于紫外灯下观察。
根据图9G,蒲公英汤剂体中存在小RNA,25bp左右。
5.植物药汤剂体的动物模型中的功能验证试验
5.1实验动物
实验所用6-8周龄的雄性C57BL/6J小鼠购于北京维通利华,并在北京协和医学院动物实验中心无菌条件下饲养。所有动物实验流程均遵循政府和动物护理和使用委员会的指导方针。
5.1.1博莱霉素诱导小鼠肺纤维化模型
模型组按2.5U/kg的剂量气管滴注博莱霉素(北京海正辉瑞制药有限公司)造模,对照组仅气管滴注生理盐水。在第21天牺牲小鼠,收取左右肺待检测。
5.1.2小鼠急性肺损伤模型
在无菌条件下,将poly(I:C)溶于PBS中配制贮存液浓度为10mg/mL。按每只小鼠给药500ug poly(I:C)的剂量,每管50uL分装。气管滴注法造急性肺损伤模型,9h后牺牲小鼠,收取血、肺泡灌洗液待检测。
5.2 HJT汤剂体在博来霉素诱导的小鼠纤维化模型中的作用
5.2.1动物实验的分组如下:
1)对照组:该组仅气管滴注生理盐水,作为Saline对照组。
2)博来霉素组:是指2.5U/kg的剂量气管滴注博莱霉素造模,21天后分别收取小鼠左右肺进行检测。该组作为阳性对照组。
3)木香汤剂体实验组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天灌胃给予木香汤剂来源汤剂体,剂量为每只小鼠40g木香汤剂来源汤剂体(500uL)。21天后分别收取小鼠左右肺进行检测。
4)红景天汤剂体实验组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天灌胃给予红景天汤剂来源汤剂体,剂量为每只小鼠40g红景天汤剂来源汤剂体(500uL)。21天后分别收取小鼠左右肺进行检测。
5.2.2动物肺组织羟脯氨酸含量的测定
用羟脯氨酸测定试剂盒(#MAK008,Sigma Aldrich)测定小鼠肺的胶原含量。将小鼠右肺组织真空干燥,称重后在120℃下用6M盐酸水解3小时,按试剂盒说明书进行羟脯氨酸含量测定。羟脯氨酸含量表示为“μg/右肺”,除非另有说明。
5.2.3动物肺组织病理学检测
1)组织石蜡包埋切片实验步骤
A.取材:新鲜组织固定于4%多聚甲醛24h以上。将组织从固定液取出在通风橱内用手术刀将目的部位组织修平整,将修切好的组织和对应的标签放于脱水盒内。
B.脱水:将脱水盒放进吊篮里于脱水机内依次梯度酒精进行脱水。75%酒精4h-85%酒精2h-90%酒精2h-95%酒精1h-无水乙醇I 30min-无水乙醇II 30min-醇苯5-10min-二甲苯I 5-10min-二甲苯II 5-10min-蜡I 1h-蜡II 1h-蜡III 1h。
C.包埋:将浸好蜡的组织于包埋机内进行包埋。先将融化的蜡放入包埋框,待蜡凝固之前将组织从脱水盒内取出按照包埋面的要求放入包埋框并贴上对应的标签。于-20°冻台冷却,蜡凝固后将蜡块从包埋框中取出并修整蜡块。
D.切片:将修整好的蜡块置于石蜡切片机上切片,片厚4μm。切片漂浮于摊片机40℃温水上将组织展平,用载玻片将组织捞起,并放进60℃烘箱内 烤片。待水烤干蜡烤化后取出常温保存备用。
2)HE染色实验步骤
A.石蜡切片脱蜡至水:依次将切片放入二甲苯I20min-二甲苯II20min-无水乙醇I10min-无水乙醇II10min-95%酒精5min-90%酒精5min-80%酒精5min-70%酒精5min-蒸馏水洗。
B.苏木素染细胞核:切片入Harris苏木素染3-8min,自来水洗,1%的盐酸酒精分化数秒,自来水冲洗,0.6%氨水返蓝,流水冲洗。如果细胞浆有蓝色,则可以延长分化时间
C.伊红染细胞质:切片入伊红染液中染色1-3min。不要水洗,
D.脱水封片:将切片依次放入95%酒精I 5min-95%酒精II 5min-无水乙醇I 5min-无水乙醇II 5min-二甲苯I 5min-二甲苯II 5min中脱水透明,将切片从二甲苯拿出来稍晾干,中性树胶封片。
E.显微镜镜检,图像采集分析。
F.染色结果:细胞核蓝色,细胞质红色。
5.2.4动物肺组织马松染色检测
1)石蜡切片脱蜡至水:依次将切片放入二甲苯I 20min-二甲苯II 20min-无水乙醇I 10min-无水乙醇II 10min-95%酒精5min-90%酒精5min-80%酒精5min-70%酒精5min-蒸馏水洗。
2)苏木素染细胞核:masson染色试剂盒内Weigert氏铁苏木素染5min,自来水洗,1%的盐酸酒精分化数秒,自来水冲洗,流水冲洗数分钟返蓝。
3)丽春红染色:masson染色试剂盒内丽春红酸性品红液染5-10min,蒸馏水快速漂洗。
4)磷钼酸处理:masson染色试剂盒内磷钼酸水溶液处理约3-5min。
5)苯胺蓝染色:不用水洗,直接用masson染色试剂盒内苯胺蓝液复染5min。
6)分化:1%冰醋酸处理1min。
7)脱水封片:将切片依次放入95%酒精I 5min-95%酒精II 5min-无水乙醇I5 min-无水乙醇II 5min-二甲苯I5 min-二甲苯II 5min中脱水透明,将切片从二甲苯拿出来稍晾干,中性树胶封片。
8)显微镜镜检,图像采集分析。
染色结果:胶原纤维、粘液、软骨呈蓝色;肌纤维、纤维素和红细胞呈红色;细胞核呈蓝黑色。
5.3 PGY汤剂体在poly(I:C)诱导的小鼠炎症模型中的作用
5.3.1动物实验的分组如下:
1)对照组:该组仅气管滴注生理盐水,作为盐水对照组。
2)poly(I:C)组:是指气管滴注500ug poly(I:C)造模,9h后收取小鼠肺泡灌洗液及全血样品。该组作为阳性对照组。
3)卷心菜(JXC)汤剂体实验组:是指提前-72h,-48h,-24h,-3h连续灌胃给予卷心菜汤剂来源汤剂体,剂量为每只小鼠10mg卷心菜汤剂体(500uL)。气管滴注500ug poly(I:C)刺激建立炎症模型,建模3h后灌胃给与10mg卷心菜汤剂体(500uL),气管滴注500ug poly(I:C)9h后收取小鼠肺泡灌洗液及全血样品。
4)蒲公英汤剂体实验组:是指2.5U/kg的剂量气管滴注poly(I:C)造模,提前连续三天灌胃给予蒲公英汤剂来源汤剂体10mg(500uL),。气管滴注500ug poly(I:C)造模,造模3h后灌胃给与10mg卷心菜汤剂体(500uL),造模9h后收取小鼠肺泡灌洗液及全血样品。
5.3.2 Bioplex小鼠23细胞因子试剂盒检测小鼠血浆中细胞因子的表达
1)样品处理:小鼠全血收集至EDTA-2K抗凝管中,经2000rpm,4℃离心10min收取血浆。血浆继续12000rpm,4℃离心10min,弃沉淀,上层血浆用于检测。
2)Bioplex实验方法:小鼠肺泡灌洗液及血浆中细胞因子表达检测使用Bioplex小鼠23细胞因子检测试剂盒(Cat#M60009RDPD)根据说明书指示进行检测。标准品设置2个复孔以提高检测结果准确性。
5.4统计学分析
数据以平均值±SEM形式表示。所有实验数据均经过两次或两次以上的独立重复实验验证,数据呈正态分布,组间差异无显著性。实验组与对照组之间的参数差异通过非配对t检验进行评估。羟脯氨酸含量检测数据及小鼠细胞因子表达含量检测采用GraphPad Prism5.0软件进行统计分析,马松染色结果采用Image Pro PLUS软件进行统计分析,小鼠细胞因子表达含量以poly(I:C)组做均一化,马松染色结果统计以生理盐水组做均一化,P<0.05被认为有统计学意义。
6.本草体的制备以及其功能验证
6.1本草体的制备过程
6.1.1实验材料
脂质Sphinganine(d22:0)(AVANTI,#792079P)购于美国Avanti Polar Lipids公司,以10mg/ml的浓度贮存于氯仿中。HJT-sRNA-m7购自广州锐博生物技术有限公司,PGY-sRNA-6购自苏州吉玛基因股份有限公司,贮存浓度20μMol。
6.1.2制备方法
A.按照所需剂量将小RNA用去RNA酶的水稀释至100μL体系。
B.向小RNA稀释液中加入相应剂量的脂质贮存液。小RNA与脂质比例:0.1nmol-20μg,0.2nmol-25μg,0.4nmol-200μg,充分混匀使组分充分分散。
C.将分散体系于90℃水浴锅中加热15min得到本草体均一体系。
6.2本草体(Bencaosome)在细胞模型中的功能过程验证
6.2.1 MRC-5细胞、A549细胞和293T细胞的培养
实验所用人胚肺成纤维细胞系MRC-5、人肺腺癌细胞系A549、人胚肾细胞系HEK293T购自北京协和医学院细胞培养中心。细胞均置于37℃、5%CO2培养箱内培养。其中,MRC-5细胞于EME培养基(Gibco)中培养;A549、HEK-293T细胞分别置于Ham’s F-12培养基(HyClone)和DMEM(Gibco)中培养,各培养基均含10%胎牛血清和一定比例的抗生素(青霉素100U/ml&链霉素100mg/ml)。细胞培养至对数生长期,然后分别铺板到12孔板,细胞密度为6×10 5/1ml培养基/孔;37℃过夜孵育,待细胞贴壁后进行后续实验
6.2.2实时荧光定量PCR(RT-qPCR)检测本草体在细胞模型上本草体递送核酸的表达量
6.2.2.1本草体相关实验分组如下:
1)空白对照组:是指未经处理的细胞,该组作为空白对照组。
2)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7或PGY-sRNA-6溶液(终浓度为100nM),该组作为阴性对照组;
3)本草体处理组:将步骤2中制备的脂质与HJT-sRNA-m7或PGY-sRNA-6混合物加入细胞中,混匀,HJT-sRNA-m7或PGY-sRNA-6的终 浓度为100nM。
6.2.2.2本草体递送核酸表达量检测
与细胞共同孵育12-24h后,用PBS清洗细胞2次,用TRIzol裂解液(Sigma)收取细胞,提取其总RNA,利用RT-qPCR(SYBR Green染料法)检测进入细胞的HJT-sRNA-m7或PGY-sRNA-6丰度,具体步骤如下:
A.提取细胞总RNA:
1)细胞加入Trizol后,先置于冰上,待所有的样品都加入Trizol后,室温放置5分钟,使其充分裂解;
2)12,000rpm离心5min,弃沉淀,将Trizol转移到新的离心管中;
3)按200μL氯仿/mL Trizol加入氯仿,充分振荡,混匀后室温放置5min;
4)4℃,12,000rpm,离心15min;
5)吸取上层水相,至另一离心管中,按0.5mL异丙醇/mL Trizol加入异丙醇混匀,室温放置5-10min;
6)4℃,12,000rpm,离心15min,弃上清,RNA沉于管底;
7)加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
8)4℃,12,000rpm,离心10min,弃上清,加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
9)4℃,12,000rpm,离心10min,弃上清,室温晾干,用50μL RNase-free的H2O溶解RNA样品,测O.D值定量RNA浓度。
B.将总RNA逆转录为cDNA:通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,Applied Biosystems,cat.no.4368813),用茎环法(stem-loop法)将sRNA逆转录为cDNA,逆转录体系如下:模板RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,U6RT stem-loop引物2.0μL,HJT-sRNA-m7 RT stem-loop引物2.0μL(或PGY-sRNA-6 RT stem-loop引物2.0μL),MultiScribeTM逆转录酶1.0μL,RNA酶抑制剂1.0μL,无核酸酶H2O1.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH2O,补足终体积至40μL。该逆转录过程中使用的茎环法引物由北京擎科新业生物技术有限公司合成(U6内参RT引物:GTCGTATCCAGTGCAGGGTCCGAGGTATTCGCACTGGATACGACAAA AATATG;HJT-sRNA-m7 RT stem-loop引物:GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACGCTTACAA)。PGY-sRNA-6RT引物:GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACTCGGAC。
C.定量PCR扩增反应:qPCR反应体系总体积10μL,包括:5μL 2×SYBR Green Master Mix,0.5μL正向引物(10μM),0.5μL反向引物(10μM),1μL逆转录得到的cDNA,3μL无RNA酶dH2O。使用LightCycler 480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成(U6正向引物:GCGCGTCGTGAAGCGTTC,U6反向引物:GTGCAGGGTCCGAGGT,HJT-sRNA-m7正向引物:TCGCGCTGAGGTAGTAGGTT,HJT-sRNA-m7反向引物:GTGCACGCTCCGAGGT)。PGY-sRNA-6引物:GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACTCGGAC。
E.利用2-ΔCt法计算相对进入量。
6.2.3实时荧光定量PCR(RT-qPCR)检测mRNA表达水平
6.2.3.2实验分组如下:
1)空白组:是指未经处理的细胞,该组作为空白对照组。
2)poly(I:C)处理组:加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时。该组作为阳性刺激组。
3)So(d22:0)-NC组:加入So(d22:0)-NC本草体溶液(终浓度为400nM),共孵育24h后,加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时。该组作为阴性对照组;
4)So(d22:0)-PGY-sRNA-6本草体处理组:将步骤2中制备的So(d22:0)-PGY-sRNA-6本草体加入细胞中核酸的终浓度为400nM。共孵育24h后,加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时。
6.2.2.3用TRIzol裂解液裂解细胞,提取其中总RNA,利用RT-qPCR(SYBRGreen染料法)检测相关基因的mRNA表达水平,具体步骤如 下:
1)提取细胞总RNA:
细胞加入Trizol后,先置于冰上,待所有的样品都加入Trizol后,室温放置5分钟,使其充分裂解;
12,000rpm离心5min,弃沉淀,将Trizol转移到新的离心管中;
按200μL氯仿/mLTrizol加入氯仿,充分振荡,混匀后室温放置5min;
4℃,12,000rpm,离心15min;
吸取上层水相,至另一离心管中,按0.5mL异丙醇/mLTrizol加入异丙醇混匀,室温放置5-10min;
4℃,12,000rpm,离心15min,弃上清,RNA沉于管底;
加入1mL75%乙醇,温和振荡离心管,悬浮沉淀;
4℃,12,000rpm,离心10min,弃上清,加入1mL75%乙醇,温和振荡离心管,悬浮沉淀;
4℃,12,000rpm,离心10min,弃上清,室温晾干,用50μL RNase-free的H2O溶解RNA样品,测O.D值定量RNA浓度。
2)将总RNA逆转录为cDNA:通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,AppliedBiosystems,cat.no.4368813),将总RNA逆转录为cDNA,逆转录体系如下:模板RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,随机引物(试剂盒中自带)2.0μL,MultiScribeTM逆转录酶1.0μL,RNA酶抑制剂1.0μL,无核酸酶H2O 3.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH2O,补足终体积至40μL。
3)定量PCR扩增反应:qPCR反应体系总体积10μL,包括:5μL 2×SYBR Green Master Mix,0.5μL正向引物(10μM),0.5μL反向引物(10μM),1μL逆转录得到的cDNA,3μL无RNA酶ddH2O。使用LightCycler480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成。引物序列同上4.3.5节所述。
4)利用2-ΔCt法计算相对表达量。
6.2.4蛋白免疫印迹法检测(Western blot)蛋白表达水平
6.2.4.1实验分组如下:
1)空白组:是指未经处理的细胞,该组作为空白对照组。
2)TGF-β1处理组:给予刺激物3ng/mL转化生长因子TGF-β1刺激MRC-5细胞,作用72h后收取细胞,该组作为阳性刺激组。
3)So(d22:0)-NC组:加入So(d22:0)-NC本草体溶液(终浓度为400nM),共孵育24h后,给予刺激物3ng/mL转化生长因子TGF-β1刺激MRC-5细胞,作用72h后收取细胞。,该组作为阴性对照组;
4)So(d22:0)-HJT-sRNA-m7本草体处理组:将制备的So(d22:0)-HJT-sRNA-m7本草体加入细胞中(终浓度为400nM),共孵育24h后,给予刺激物3ng/mL转化生长因子TGF-β1刺激MRC-5细胞,作用72h后收取细胞。
6.2.4.2与细胞共同孵育24h后,给予刺激物3ng/mL转化生长因子TGF-β1刺激MRC-5细胞,作用72小时后,用强RIPA裂解液裂解细胞,收集裂解液利用Western blot检测相关基因的蛋白表达水平。
6.2.5酶联免疫法(ELISA)检测炎症细胞因子表达水平
6.2.5.1实验分组如下:
1)空白组:是指未经处理的A549细胞上清,该组作为空白对照组。
2)poly(I:C)处理组:加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时细胞上清。该组作为阳性刺激组。
3)So(d22:0)-NC组:加入So(d22:0)-NC本草体溶液(终浓度为400nM),共孵育24h后,加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时。收取细胞上清,该组作为阴性对照组;
4)So(d22:0)-PGY-sRNA-6本草体处理组:将制备的So(d22:0)-PGY-sRNA-6本草体加入细胞中核酸的终浓度为400nM。共孵育24h后,加1μg/mL双链RNA病毒模拟物poly(I:C)处理A549细胞6小时,收取细胞上清。
6.2.5.2细胞上清于4℃,12,000rpm,离心5min,转移细胞上清至新1.5mLEP管中,加入100x ⅹ cock tail,利用ELISA检测炎症细胞因子的表达水平,具体步骤如下:
包被:采用R&D公司的自包被ELISA板(试剂盒为:IL-1#DY201-05,IL-6#DY206-05,TNF-α#DY210-05,其中包括了相关基因的Detection Antibody和Avidin-HRP),用PBS稀释Capture Antibody(IL-1,IL-6,TNF-α)(根据说明书上的稀释比例),室温包被过夜,约16-18h;
洗板:取出包被好的ELISA板,将Capture Antibody液倒掉并在滤纸上将残余液体拍干,而后加入已配置好的洗液(PBS+0.1%tween 20)300μL进行清洗,每次停留1min(用ELISA板振荡器),每次也须将液体倒掉并在滤纸上将残余液体拍干(下同),清洗4次;
封闭:清洗完毕后,加入300μL封闭液(PBS+1%BSA),室温下温育1h;
准备:在1h间须准备相应标准品(IL-1,IL-6,TNF-α),根据说明书配好最高浓度后按照1/2的浓度梯度进行稀释,稀释7次,最后第八管加入稀释液作为0管;
洗板:温育1h后使用洗液清洗4次;
加样:将准备好的标准品加入ELISA板的左右两排,其他孔中加入样品,室温孵育2h;
加一抗:洗液清洗4次,加入100μL Detection Antibody,封好后室温孵育2h;
加二抗:洗液清洗4次,加入100μL Avidin-HRP,封好后室温孵育20min;
加底物:洗液清洗4次,加入100μL TMB Substrate Solution,尽量在暗中操作,而后马上置于抽屉中暗置10~20min左右,带颜色变蓝后,加入100μL终止液终止反应,颜色由蓝变黄;
在30min内进行吸光度测定,450nm检测波长,570nm参考波长。
6.3本草体在动物模型中的功能过程验证
6.3.1实验步骤:
1)本草体制备:采用水煮加热法制备,400μL NC mimic(广州锐博生物技术有限公司提供)或HJT-sRNA-m7(10nmol)双链RNA DEPC处理的水溶液,分别加入10μL sphinganine(d22:0)脂质混匀后,90℃加热30min。
2)6-8周龄雄性C57小鼠灌胃给RNA:用灌胃针分别给予脂质与NC或HJT-sRNA-m7的本草体溶液体系,400μL/只,分组如下:
1)Saline对照组:是指不做任何处理,仅给予生理盐水的小鼠;
2)博来霉素组:是指2.5U/kg的剂量气管滴注博莱霉素造模,21天后分别收取小鼠左右肺进行检测。该组作为阳性对照组。
3)脂质Sphinganine-NC组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天灌胃给予脂质Sphinganine-NC(0.1mg:5nmol)组成的本草体。气管滴注博莱霉素造模后,第7-14天给予同样剂量的脂质Sphinganine-NC组成的本草体,21天后分别收取小鼠左右肺进行检测。
4)脂质Sphinganine-HJT-sRNA-m7组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天给予脂质Sphinganine-HJT-sRNA-m7(0.1mg:5nmol)组成的本草体。气管滴注博莱霉素造模后,第7-14天给予同样剂量的脂质Sphinganine-HJT-sRNA-m7组成的本草体,21天后分别收取小鼠左右肺进行检测。
6.3.2动物肺组织羟脯氨酸含量的测定
用羟脯氨酸测定试剂盒(#MAK008,Sigma Aldrich)测定小鼠肺的胶原含量。将小鼠右肺组织真空干燥,称重后在120℃下用6M盐酸水解3小时,按试剂盒说明书进行羟脯氨酸含量测定。羟脯氨酸含量表示为“μg/右肺”,除非另有说明。
6.3.3动物肺组织病理学检测
见5.2.3
6.3.4动物肺组织马松染色检测
见5.2.4
实施例2.植物药汤剂体的特征检测
基于图1的植物药的汤剂体的制备示意图,根据实施例1中的具体步骤制备红景天(HJT)和蒲公英(PGY)两种植物药的水煎液,再用差速离心的方式得到HJT和PGY两种植物药的汤剂体沉淀,双蒸水溶解汤剂体沉淀并定量后检测其特征。透视电镜的结果如图2和图3显示,HJT汤剂体和PGY汤剂体均呈现的外泌体样纳米颗粒状,最外面有双层膜包裹且直径不均一,但大多数的汤剂体的直径集中在100nm到200nm之间。
为了进一步观察汤剂体的特征,我们对其粒径和Zeta电势进行检测,图4和图5显示,HJT汤剂体的平均粒径峰值为197.6nm,PGY汤剂体的平均粒径峰值为153.2nm,粒径分散均一,呈正态分布。Zeta电势结果显示HJT汤剂体 和PGY汤剂体电位绝对值大于30mV,体系呈较稳定状态。
实施例3.植物药汤剂体的细胞模型中的功能验证
将HJT水煎液和从水煎液中提取的HJT汤剂体进行定量后,选取水煎液浓度为300μg/ml,汤剂体浓度为50μg/ml在TGF-β1诱导的MRC-5细胞的纤维化模型中验证其功能。结果如图6和图7显示,无论是HJT水煎液还是HJT汤剂体与同浓度同方法制备的对照木香(MX)的水煎液和汤剂体相比,都可以有效的降低TGF-β1诱导的MRC-5细胞中纤维蛋白纤连蛋白的表达。
将PGY水煎液和从水煎液中提取的PGY汤剂体进行定量后,选取水煎液浓度为10μg/ml、30μg/ml、100μg/ml,PGY汤剂体浓度为2μg/ml、6μg/ml、20μg/ml时在poly(I:C)刺激的A549细胞的炎症模型中验证其功能。结果如图8A-C和图9A-E显示,无论是PGY水煎液还是PGY汤剂体与同浓度同方法制备的对照卷心菜(JXC)的水煎液和汤剂体相比,都可以有效的降低poly(I:C)刺激的A549细胞的炎症模型中IL-1β、IL-6、TNF-α的mRNA的相对表达。
上述结果在细胞模型中完成,HJT和PGY两种植物药的水煎液和汤剂体分别存在抗纤维化和抗炎功能,水煎液的有效浓度明显高于汤剂体的有效浓度,可以证明汤剂体可能是草药的主要发挥功能的混合物的一种存在形式。
实施例4.植物药汤剂体的动物模型中的功能验证
将从水煎液中提取的HJT汤剂体进行定量后,选取上文制备的(先前以200g制备)红景天熬煮而得汤剂来源HJT汤剂体在博来霉素诱导的小鼠的纤维化模型中验证其抗纤维化的功能。动物实验的分组如下:
1)对照组:该组仅气管滴注生理盐水,作为Saline对照组。
2)博来霉素组:是指2.5U/kg的剂量气管滴注博莱霉素造模,21天后分别收取小鼠左右肺进行检测。该组作为阳性对照组。
3)木香汤剂体对照组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天灌胃给予木香汤剂来源汤剂体,剂量为每只小鼠40g木香汤剂来源汤剂体(500uL)。21天后分别收取小鼠左右肺进行检测。
4)红景天汤剂体对照组:是指2.5U/kg的剂量气管滴注博莱霉素造模,提前连续三天灌胃给予红景天汤剂来源汤剂体,剂量为每只小鼠40g红景天汤 剂来源汤剂体(500uL)。21天后分别收取小鼠左右肺进行检测。
结果如图10-图13显示,HJT汤剂体与同样剂量的同方法制备的对照MX汤剂体相比,可以有效的降低博来霉素诱导的小鼠的纤维化模型中小鼠肺部羟脯氨酸的水平(图10),有效降低博来霉素诱导的小鼠的纤维化模型中小鼠肺部纤维化程度(图11和图12),有效降低博来霉素诱导的小鼠的纤维化模型中小鼠肺部病理改变程度(图13)。
将从水煎液中提取的PGY汤剂体进行定量后,选取PGY汤剂体量为10mg/只时在poly(I:C)刺激的A549细胞的炎症模型中验证其功能。动物实验的分组如下:
1)对照组:该组仅气管滴注生理盐水,作为盐水对照组。
2)poly(I:C)组:是指气管滴注500ug poly(I:C)造模,9h后收取小鼠肺泡灌洗液及全血样品。该组作为阳性对照组。
3)卷心菜(JXC)汤剂体对照组:是指提前-72h,-48h,-24h,-3h连续灌胃给予卷心菜汤剂来源汤剂体,剂量为每只小鼠10mg卷心菜汤剂体(500uL)。气管滴注500ug poly(I:C)刺激建立炎症模型,建模3h后灌胃给与10mg卷心菜汤剂体(500uL),气管滴注500ug poly(I:C)9h后收取小鼠肺泡灌洗液及全血样品。
4)蒲公英汤剂体对照组:是提前连续三天灌胃给予蒲公英汤剂来源汤剂体10mg(500uL),气管滴注500ug poly(I:C)造模,造模3h后灌胃给与10mg蒲公英汤剂体(500uL),造模9h后收取小鼠肺泡灌洗液及全血样品。
结果如图14A-B显示,PGY汤剂体与同样剂量的同方法制备的对照JXC汤剂体相比,可以有效的降低poly(I:C)诱导的小鼠炎症模型中小鼠血浆中各种细胞因子的表达水平。
上述结果在动物模型中完成,HJT和PGY两种植物药的汤剂体分别存在抗纤维化和抗炎功能。结合实施例3中汤剂体的细胞模型中的功能验证,证实了汤剂体可能是植物药发挥功能的重要单元。
实施例5.植物药汤剂体的各组分鉴定
既然植物药汤剂体在其药用价值中发挥很重要的作用,研究清楚汤剂体的组成成分至关重要。还是以HJT和PGY两种植物药为例,首先我们对这两种汤剂体利用HPLC-MS/MS鉴定其脂质成分,共鉴定出25大类脂质成分,如 图15红景天汤剂体脂质鉴定、图16红景天汤剂体脂质鉴定显示。其中TG、Cer、DG、PE和PC的含量均占汤剂体中脂质的主要部分。
通过对HJT汤剂体和PGY汤剂体的化合物成分分析,图17显示,共鉴定出HJT汤剂体中含有36类化合物。图18显示,共鉴定出PGY汤剂体中含有47类化合物。
通过蛋白组分分析,图19显示,鉴定出HJT汤剂体中的38种蛋白。同样图20显示,鉴定出PGY汤剂体中的140种蛋白。并且对这些蛋白进行简单的分类,这些鉴定出来的汤剂体中的蛋白成分主要是与代谢、信号转导、泛素化和转录以及翻译相关。
通过提取汤剂体沉淀中的RNA,进行小RNA测序分析,如图21和图22显示,HJT汤剂体和PGY汤剂体中的小RNA的长度主要分布在18nt到25nt。表8-9显示了HJT汤剂体和PGY汤剂体中的小RNA序列的主要信息,HJT汤剂体中鉴定了80,573种小RNA的存在,PGY汤剂体中鉴定了614,545种小RNA的存在。
综上所述,汤剂体中的成分包括脂质、化合物,蛋白和小RNA。
实施例6.本草体的制备和功能鉴定
我们定义本草体为人工制备的由一种或多种合成的脂质与包括但不限于以下:合成或提取脂质、人工表达或改造的蛋白质、人工合成或纯化的核酸(包括DNA,RNA,包括小RNA),人工合成或提纯的化合物等物质构成的,具有热稳定性的外泌体样的膜结构的纳米颗粒状物质。如图23所示,本草体是人为将脂质、化合物、小RNA和蛋白等两种或者多种有效成分组合在一起,通过加热处理后形成的物质。
我们的研究证实了红景天水煎液中的小RNA:HJT-sRNA-m7在TGF-β1诱导的MRC-5细胞的纤维化模型中和博来霉素诱导的小鼠的纤维化模型中均有很有效的抗纤维化作用(Du.et al.,2017)。我们将一定比例的脂质Sphinganine与HJT-sRNA-m7混合,加热水煮后形成Sphinganine-HJT-sRNA-m7的本草体。如图24-图26显示,运用RT-PCR检测MRC-5细胞中HJT-sRNA-m7的相对表达量,流式细胞术检测MRC-5细胞中HJT-sRNA-m7的进入以及细胞共聚焦实验检测Cy5标记的HJT-sRNA-m7在 A549细胞中的进入及分布,均可以证明Sphinganine-HJT-sRNA-m7的本草体可以使得HJT-sRNA-m7有效的进入细胞中。图27显示Sphinganine-HJT-sRNA-m7在TGF-β1诱导的MRC-5细胞的纤维化模型中发挥着抗纤维化的作用,Sphinganine-HJT-sRNA-m7可有效降低纤维化相关蛋白纤连蛋白和α-SMA的表达。
我们通过合成并筛选了PGY水煎液中峰度最高的前20种小RNA(PGY-sRNA-1~20)对其进行抗炎的功能验证。图28显示在poly(I:C)诱导的A549的炎症模型中,PGY-sRNA-6最有效的降低A549细胞IL-1β、IL-6和TNF-α的表达。将PGY-sRNA-6在poly(I:C)刺激的A549细胞和PUMC细胞炎症模型中验证,图29A-C和图30A-C显示PGY-sRNA-6可有效的降低poly(I:C)刺激的A549细胞和PBMC细胞中IL-1β、IL-6和TNF-αmRNA的相对表达。同时运用生物信息学分析与双荧光报告基因检测方法,图31和图32显示,RELA(p65,Gene ID:5970)为PGY-sRNA-6的直接靶基因。如图33显示,生物信息学分析PGY-sRNA-6均在PGY水煎液和PGY汤剂体中存在且后者中含有更高的峰度。我们将一定比例的脂质Sphinganine与PGY-sRNA-6混合,加热水煮后形成Sphinganine-PGY-sRNA-6的本草体。如图34-图36显示,运用RT-PCR检测A549细胞中PGY-sRNA-6的相对表达量,流式细胞术检测A549细胞中PGY-sRNA-6-FAM的进入以及细胞共聚焦实验检测Cy5标记的PGY-sRNA-6在A549细胞中的进入及分布,均可以证明Sphinganine-PGY-sRNA-6的本草体可以使得PGY-sRNA-6有效的进入细胞中。图37A-C显示Sphinganine-PGY-sRNA-6在poly(I:C)刺激的A549细胞的炎症模型中发挥着抗炎作用,Sphinganine-PGY-sRNA-6可有效降低细胞中IL-1β、IL-6和TNF-αmRNA的相对表达。图38显示Sphinganine-PGY-sRNA-6在HEK 293T细胞中有效降低PGY-sRNA-6靶基因RELA的3’UTR的表达。
脂质Sphinganine与两种有功能的小RNA HJT-sRNA-m7或PGY-sRNA-6合并后形成的本草体均在纤维化和炎症的细胞模型中发挥着有效的抗纤维化和抗炎作用。Sphinganine-HJT-sRNA-m7的本草体如图39-41所示,Sphinganine-HJT-sRNA-m7可以有效的降低博来霉素诱导的小鼠的纤维化模型中小鼠肺部病例改变程度(图39),有效降低博来霉素诱导的小鼠的纤维化模型中小鼠肺部纤维化程度(图40和图41)。
实施例7:Sphinganine-PGY-sRNA-6合并后形成的本草体在小鼠的炎症模型中发挥着有效的抗炎作用。
1)本草体制备:采用水煮加热法制备,500μL NC mimic或PGY-sRNA-6(5nmol)单链RNA DEPC处理的水溶液,分别加入10μL sphinganine(d22:0)脂质混匀后,90℃加热15min。
2)6-8周龄雄性C57小鼠,用灌胃针分别给予脂质与NC或PGY-sRNA-6的本草体溶液体系,500μL/只,分组如下:
1)空白组:是指不做任何处理的小鼠;
2)poly(I:C)组:是指500μg的剂量气管滴注poly(I:C)刺激造模,给予刺激9小时后收取小鼠血浆进行细胞因子检测。该组作为阳性对照组。
3)脂质Sphinganine-NC组:是指提前48h,24h,3h给予脂质Sphinganine(d22:0)-NC组成的本草体后,气管滴注500μg的剂量poly(I:C)刺激造模,给与刺激3h后再次给予脂质Sphinganine(d22:0)-NC本草体。刺激9小时后收取小鼠血浆进行细胞因子检测。
4)脂质Sphinganine-PGY-sRNA-6组:是指提前48h,24h,3h给予脂质Sphinganine(d22:0)-HJT-sRNA-m7组成的本草体后,气管滴注500μg的剂量poly(I:C)刺激造模,给与刺激3h后再次给予脂质Sphinganine(d22:0)-PGY-sRNA-6本草体。刺激9小时后收取小鼠血浆进行细胞因子检测。用试剂盒BIO-Plex Pro TM Mouse Cytokines Standard 23-Plex,Group I kit(#60009RDPD,BIO-RAD)测定小鼠血浆细胞因子表达含量。取全血于EDTA-2K抗凝管,于4度2000g离心10分钟,取上层血浆,4度12,000g离心10分钟,取上清用于细胞因子检测。
结果参见图42A-G,本草体有效降低图中所示的细胞因子的水平。
实施例8:不同方式检测本草体的理化性质
1.临界胶束浓度(CMC)检测:
用0.25%四氢呋喃:99.75%水(v/v)配置6μM的1,6-二苯基-1,3,5-己三烯(DPH)溶液。于黑色96孔板每孔加入50μL DPH溶液加到50μL实验组溶液中,室温避光孵育1小时后,检测DPH荧光,激发光波长350纳米,发射光波长420nm。
2 sRNA组:于黑色96孔板每孔加入50μL DPH溶液加到50μL sRNA溶液中,室温避光孵育1小时后,检测DPH荧光。
3 Sphinganine(So,d22:0)组:于黑色96孔板每孔加入50μL DPH溶液加到50μL So(d22:0)溶液中,室温避光孵育1小时后,检测DPH荧光。
4本草体组:于黑色96孔板每孔加入50μL DPH溶液加到50μL本草体溶液中,室温避光孵育1小时后,检测DPH荧光。
A加热法So(d22:0)-HJT-sRNA-m7(200nM)本草体组:于黑色96孔板每孔加入50μL DPH溶液加到加热法制备的50μL So(d22:0)-HJT-sRNA-m7(200nM)本草体溶液中,室温避光孵育1小时后,检测DPH荧光。
B加热法So(d22:0)-HJT-sRNA-m7(600nM)本草体组:于黑色96孔板每孔加入50μL DPH溶液加到加热法制备的50μL So(d22:0)-HJT-sRNA-m7(600nM)本草体溶液中,室温避光孵育1小时后,检测DPH荧光。
C未加热So(d22:0)-HJT-sRNA-m7(200nM)本草体组:于黑色96孔板每孔加入50μL DPH溶液加到直接混合制备的50μL So(d22:0)-HJT-sRNA-m7(200nM)本草体溶液中,室温避光孵育1小时后,检测DPH荧光。
D未加热So(d22:0)-HJT-sRNA-m7(600nM)本草体组:于黑色96孔板每孔加入50μL DPH溶液加到直接混合制备的50μL So(d22:0)-HJT-sRNA-m7(600nM)本草体溶液中,室温避光孵育1小时后,检测DPH荧光。
如图43-图44所示,本草体的中小RNA可能以嵌入脂质膜的形式存在,加热可以促进本草体的中小RNA嵌入脂质膜过程的稳定性。
2:静态光散射方式检测本草体的几何分布和zeta电势结果
本草体的粒径和Zeta电位检测
1)本草体制备:100微升RNA溶液中(2μM,4μM,6μM),各加入30ug脂质,充分混匀后90度水浴加热15分钟。测量时用ddH2O稀释至1毫升。
2)粒径测量:1毫升体系转移至比色皿,使用Zetasizer Nano ZS90(Malvern Instrument,UK)仪器测量。测量温度25度。
3)Zeta电势测量:使用Zetasizer Nano ZS90(Malvern Instrument,UK)仪器测量。测量温度25度。
3:本草体的粒径分布,zeta电势检测以及透射电镜形态观察
本草体制备:100微升水或RNA溶液(6μM)中,各加入30ug脂质,充分混匀后90度水浴加热15分钟。测量时用ddH2O稀释至1毫升。
1)粒径测量:1毫升体系转移至比色皿,使用Zetasizer Nano ZS90(Malvern Instrument,UK)仪器测量。测量温度25度。
2)zeta电势检测:1毫升体系转移至比色皿,使用Zetasizer Nano ZS90(Malvern Instrument,UK)仪器测量。测量温度25度。
3)透射电镜观察:向200目铜网上滴一滴本草体溶液,多余液体用滤纸吸走。滴加2%磷钨酸(w/w,pH 7.0)负染2分钟,用滤纸吸走多余液体后室温晾干1小时。于JEOL JEM-1400 PLUS透射电镜观察。观察条件电压80kV。
本草体的几何分布见图45,zeta电势结果见图46以及粒径分布参见图47A-47D。本草体粒径分布100纳米左右,静态光散射强度在50-120kcps,zeta电势小于60mV,绝对值大于20mV。
实施例9:本草体的蛋白质递送效率和定位
1.流式细胞技术检测脂质40PE(16:0/22:1)递送蛋白的效率
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达,200nM),脂质40PE(16:0/22:1)(10mg/mL),
Figure PCTCN2019077004-appb-000060
C6仪器(购自美国BD公司)
实验方法:用乙醚逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,1ug,3ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,用胰酶消化三分钟后,移去胰酶,再用PBS清洗后吹下来。用
Figure PCTCN2019077004-appb-000061
C6仪器测定。
根据图149A-D,绿色荧光蛋白自由进入A549细胞效率是3.6%,10ug/mL脂质40递送绿色荧光蛋白进入A549细胞效率是7.2%,30ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是9.1%,脂质递送效率更高。脂质40可递送蛋白进入A549细胞。
2.流式细胞技术检测脂质41 sphinganine(d22:0)递送蛋白的效率
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达),脂质41 sphinganine(d22:0)(10mg/mL),
Figure PCTCN2019077004-appb-000062
C6仪器(购自美国BD公司)
实验方法:用逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,1ug,3ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,用胰酶消化三分钟后,移去胰酶,再用PBS清洗后吹下来。用
Figure PCTCN2019077004-appb-000063
C6仪器测定。
根据图150A-D,绿色荧光蛋白自由进入A549细胞效率是3.6%,10ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是23.4%,30ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是26.6%,脂质递送效率更高。脂质41可高效递送蛋白进入A549细胞。
3.流式细胞技术检测脂质41 sphinganine(d22:0)递送蛋白的效率
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达),脂质41 sphinganine(d22:0)(10mg/mL),
Figure PCTCN2019077004-appb-000064
C6仪器(购自美国BD公司)
实验方法:加热法制备本草体。将绿色荧光蛋白0.2nmol溶解于100ul水中,分别加入含0uL,1uL,3uL的脂质,充分混合后,90度加热15min得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,用胰酶消化三分钟后,移去胰酶,再用PBS清洗后吹下来。用
Figure PCTCN2019077004-appb-000065
C6仪器测定。
根据图150E-H,绿色荧光蛋白自由进入A549细胞效率是3.6%,10ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是5.5%,30ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是9.5%,脂质递送效率更高。脂质41可高效递送蛋白进入A549细胞。
4.流式细胞技术检测脂质71 PE(16:0/16:0)递送蛋白的效率
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内 部构建质粒表达),脂质71 PE(16:0/16:0)(10mg/mL),
Figure PCTCN2019077004-appb-000066
C6仪器(购自美国BD公司)
实验方法:用逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,1ug,3ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,用胰酶消化三分钟后,移去胰酶,再用PBS清洗后吹下来。用
Figure PCTCN2019077004-appb-000067
C6仪器测定。
根据图151A-D,绿色荧光蛋白自由进入A549细胞效率是3.6%,10ug/mL脂质71递送绿色荧光蛋白进入A549细胞效率是7.1%,30ug/mL脂质41递送绿色荧光蛋白进入A549细胞效率是9.1%,脂质递送效率更高。脂质71可有效递送蛋白进入A549细胞。
5.共聚焦荧光显微镜观察脂质40PE(16:0/22:1)递送蛋白质在细胞中的定位
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达),脂质40PE(16:0/22:1)(10mg/mL),Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000068
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:用逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,0.25ug,0.75ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000069
488phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片观察。
根据图152,共聚焦显微镜观察下,能明显观察到绿色荧光蛋白的进入,脂质40可有效递送蛋白进入A549细胞。
6.共聚焦荧光显微镜观察脂质41 sphinganine(d22:0)递送蛋白质在细胞 中的定位
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达),脂质41 sphinganine(d22:0),Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000070
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:用逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,0.25ug,0.75ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000071
488 phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片观察。
根据图153,共聚焦显微镜观察下,能明显观察到绿色荧光蛋白的进入,脂质41可高效递送蛋白进入A549细胞。
7.共聚焦荧光显微镜观察脂质71 PE(16:0/16:0)递送蛋白质在细胞中的定位
实验材料:A549细胞(购自中国医学科学院细胞中心),绿色荧光蛋白(内部构建质粒表达),脂质71 PE(16:0/16:0),Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000072
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:用逆向挥发法制备本草体。将绿色荧光蛋白0.2nmol溶解于20ul水中,分别加入含0ug,0.25ug,0.75ug的100ul脂质乙醚溶液,充分混合后,超声3min,60度挥发除去有机溶剂后,以100uL opti-MEM水化得到本草体溶液。之后将本草体加入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000073
488phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片观察。
根据图154,共聚焦显微镜观察下,能明显观察到绿色荧光蛋白的进入,脂质71可高效递送蛋白进入A549细胞。
第二部分实验
方法
1.植物药中脂质的提取
1.1植物药的煎煮制备
1)取100g饮片(红景天,蒲公英,金银花,穿心莲,购自北京同仁堂药店),加入1000mL ddH 2O浸泡30min。
2)煎煮锅强火煎煮15min,弱火煎煮20min。
3)煎煮后的药液400mL加入旋转蒸发仪,60℃,60rpm,30min浓缩至100mL。
1.2脂质的提取
1)向160mL根据以上1.1项所得汤剂(旋转蒸发仪浓缩)中加入氯仿-甲醇混合液(氯仿:甲醇=1:2,v/v)600mL,使得氯仿:甲醇:水=1:2:0.8,搅拌混匀10-15min。
2)向锥形瓶中加入200mL氯仿,搅拌混匀10min。
3)向锥形瓶中加入200mL ddH 2O,使得氯仿:甲醇:水=2:2:1.8,搅拌混匀10min。
4)除去上层液体和中间层的不溶性物质,取下层的氯仿层,-40℃冻存。
1.3 HPLC-MS/MS鉴定脂质成分
仪器条件
1)色谱条件:
仪器:Ultimate 3000;色谱柱:Kinetex C18(100×2.1mm,1.9μm);柱温:45℃;流动相:A:乙腈:水(V/V,60:40),溶液含10mmol/L甲酸铵,流动相B:乙腈:异丙醇(10:90,V/V),溶液含10mmol/L甲酸铵和0.1%甲酸。流速:0.4mL/min;进样量:4μL。
2)质谱参数:
a)正模式:Heater Temp 300℃,Sheath Gas Flow rate,45 arb,Aux Gas Flow Rate,15 arb,Sweep Gas Flow Rate,1 arb,spray voltage,3.0 KV,Capillary Temp,350℃,S-Lens RF Level,30%.Scan ranges:200-1500。
b)负模式:Heater Temp 300℃,Sheath Gas Flow rate,45 arb,Aux Gas  Flow Rate,15 arb,Sweep Gas Flow Rate,1 arb,spray voltage,2.5KV,Capillary Temp,350℃,S-Lens RF Level,60%.Scan ranges:200-1500。
1.4植物药来源的脂质鉴定
利用HPLC-MS/MS鉴定其中的脂质成分,共鉴定植物药来源的脂质成分138种,其中阳离子模式鉴定125种,阴离子模式鉴定13种。取表10中所示的化合物1-69继续进行下面的实验。需要说明的是,下文测试的脂质均为商业购买或商业合成的,并且使用方式如表10所述。
2.制备脂质核酸复合物
2.1逆向蒸发法:
制备100μL的脂质乙醚溶液,并按照表1中所示的脂质编号进行分组(脂质浓度见下表),以5:1的体积比将脂质溶液加入20μL核酸溶液(HJT sRNA或siRNA),超声3min后,经55℃挥发除去乙醚,然后加入100μL的DEPC处理的水水化,得到核酸脂质混合物。
表15
Figure PCTCN2019077004-appb-000074
Figure PCTCN2019077004-appb-000075
2.2水煮法:
100μL的核酸溶液(HJT sRNA或siRNA)加入2-5μL的脂质溶液(浓度见表1),混匀后,80-100℃加热15-30min,获得核酸脂质混合物。
3.脂质核酸复合物的体外递送实验
3.1实时荧光定量PCR(RT-qPCR)检测细胞内脂质递送核酸的表达量
3.1.1培养MRC-5细胞(肺胚胎成纤维细胞),A549细胞(人肺腺癌细胞),Caco-2细胞(人结肠腺癌细胞)(购自中国医学科学院基础医学研究所细胞资源中心)至对数生长期,然后分别铺板到12孔板,细胞密度为6×10 5/1mL培养基/孔;其中MRC-5和Caco-2细胞培养于Eagle's MEM培养基(MEM,Gibco)中;A549细胞培养于Ham’s F-12培养基(HyClone)中;37℃过夜孵育,待细胞贴壁后进行后续实验。
3.1.2实验分组如下:
1)未处理组:是指未经处理的细胞,该组作为空白对照组。
2)RNAiMAX处理组:分别用100μL opti-MEM培养基(购自Invitrogen,Thermo Fisher Scientific)稀释2μL Lipofectamine TMRNAiMAX转染试剂(试剂全称为Lipofectamine RNAimax,Invitrogen,Thermo Fisher Scientific)和HJT-sRNA-m7溶液,二者混匀后放置15min,加入细胞中,混匀,HJT-sRNA-m7的终浓度为100nM,该组作为阳性对照组。
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7溶液(终浓度为100nM),该组作为阴性对照组;
4)脂质核酸混合物处理组:将步骤2中制备的脂质与HJT-sRNA-m7混合物加入细胞中,混匀,HJT-sRNA-m7的终浓度为100nM。
3.1.3与细胞共同孵育12-24h后,用PBS清洗细胞2次,用TRIzol裂解液(购自Sigma-Aldrich)收取细胞,提取其中总RNA,利用RT-qPCR(SYBR Green染料法)检测进入细胞的HJT-sRNA-m7丰度,具体步骤如下:
1)提取细胞总RNA:
A.12孔板培养的细胞(约1×10 6个细胞/孔),每孔加入1mL TRIzol裂解液后,先置于冰上,待所有的样品都加入TRIzol后,室温放置5min,使其充分裂解;
B.4℃,12,000rpm离心5min,弃沉淀,将TRIzol转移到新的离心管中;
C.按200μL氯仿/mL TRIzol加入氯仿,充分振荡,混匀后室温放置5min;
D.4℃,12,000rpm,离心15min;
E.吸取上层水相,至另一离心管中,按0.5mL异丙醇/mL TRIzol加入异丙醇混匀,室温放置5-10min;
F.4℃,12,000rpm,离心15min,弃上清,RNA沉于管底;
G.加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
H.4℃,12,000rpm,离心10min,弃上清,加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
I.4℃,12,000rpm,离心10min,弃上清,室温晾干,用50μL RNase-free的H2O溶解RNA样品,测O.D值定量RNA浓度。
2)将总RNA逆转录为cDNA:通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,Applied Biosystems,cat.no.4368813),用茎环法(stem-loop法)(参见例如Real-time quantification of microRNAs by stem-loop RT-PCR,Nucleic Acids Res.2005Nov 27;33(20):e179,通过引用并入本文)将sRNA逆转录为cDNA,逆转录体系如下:模板RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,U6RT stem-loop引物2.0μL,HJT-sRNA-m7 RT stem-loop引物2.0μL,MultiScribe TM逆转录酶1.0μL,RNA酶抑制剂1.0μL,无核酸酶H 2O1.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH 2O,补足终体积至40μL。该逆转录过程中使用的茎环法引物由北京擎科新业生物技术有限公司合成(U6RT引物,因为RT-qPCR反应对小RNA的定量只能是相对定量,所以以U6作为标准的参考基因,计算其相对表达量): GTCGTATCCAGTGCAGGGTCCGAGGTATTCGCACTGGATACGACAAAAATATG;HJT-sRNA-m7 RT stem-loop引物:GTCGTATCCAGTGCACGCTCCGAGGTATTCGCACTGGATACGACGCTTACAA)。
3)定量PCR扩增反应:qPCR反应体系总体积10μL,包括:5μL 2×SYBR Green Master Mix,0.5μL正向引物(10μM),0.5μL反向引物(10μM),1μL逆转录得到的cDNA,3μL无RNA酶dH 2O。使用LightCycler 480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成(U6正向引物:GCGCGTCGTGAAGCGTTC,U6反向引物:GTGCAGGGTCCGAGGT,HJT-sRNA-m7正向引物:TCGCGCTGAGGTAGTAGGTT,HJT-sRNA-m7反向引物:GTGCACGCTCCGAGGT)。
4)利用2-ΔCt法(基因相对表达量=2-(Ct目的基因-Ct内参基因))计算相对进入量(单链或双链RNA)。
3.2实时荧光定量PCR(RT-qPCR)检测mRNA表达水平
3.2.1培养THP-1细胞(人单核细胞)至对数生长期,然后分别铺板到12孔板,细胞密度为6×10 5/1mL培养基/孔;THP-1细胞培养于RPMI-1640培养基(HyClone)中;37℃过夜孵育,待细胞贴壁后进行后续实验。
3.2.2实验分组如下:
1)未处理组:是指未经处理THP-1细胞,该组作为空白对照组。
2)RNAiMAX处理组:分别用100μLopti-MEM(Invitrogen,Thermo Fisher Scientific)培养基稀释2μL Lipofectamine TMRNAiMAX转染试剂(nvitrogen,Thermo Fisher Scientific)和核酸溶液(TNF-αsiRNA),二者混匀后放置15min,加入细胞中,混匀,核酸的终浓度为400nM,该组作为阳性对照组。
3)自由摄取(Free uptake)组:直接加入核酸溶液(TNF-αsiRNA,终浓度为400nM),该组作为阴性对照组;
4)脂质核酸混合物处理组:将步骤2中制备的脂质与核酸混合物 加入细胞中,混匀,核酸的终浓度为400nM。
3.2.3处理细胞24h后,给予1μg/mL大肠杆菌脂多糖(Lipopolysaccharide,LPS,Escherichia coli 0111:B4,L4391,Sigma-Aldrich)刺激,9h后用TRIzol裂解液收取细胞,提取其中总RNA,利用RT-qPCR(SYBR Green染料法)检测TNF-α(后续实施例的目标基因视类型而定,结果均显示在图中)的mRNA表达水平,具体步骤如下:
1)提取细胞总RNA:,步骤同3.1.3细胞总RNA的方法。
2)将总RNA逆转录为cDNA:通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,Applied Biosystems,cat.no.4368813),将总RNA逆转录为cDNA,逆转录体系如下:模板RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,随机引物2.0μL,MultiScribe TM逆转录酶1.0μL,RNA酶抑制剂1.0μL,无核酸酶H 2O 3.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH 2O,补足终体积至40μL。
3)定量PCR扩增反应:qPCR反应体系总体积10μL,包括:5μL 2×SYBR Green Master Mix,0.5μL正向引物(10μM),0.5μL反向引物(10μM),1μL逆转录得到的cDNA,3μL无RNA酶ddH 2O。使用LightCycler 480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成,引物序列(内参基因UBC正向引物:CTGGAAGATGGTCGTACCCTG,内参基因UBC反向引物:GGTCTTGCCAGTGAGTGTCT;目的基因TNF-α正向引物:CTGCCCCAATCCCTTTATT:目的基因TNF-α反向引物:CCCAATTCTCTTTTTGAGCC)。
4)利用2-ΔCt法计算相对表达量,同上。
3.3蛋白免疫印迹法检测(Western blot)蛋白表达水平
3.3.1培养MRC-5细胞(肺胚胎成纤维细胞)或A549细胞(人肺腺癌细胞)至对数生长期,然后分别铺板到12孔板,细胞密度为6×10 5/1mL培养基/孔; 其中MRC-5细胞培养于Eagle's MEM培养基(MEM,Gibco)中;A549细胞培养于Ham’s F-12培养基(HyClone)中;37℃过夜孵育,待细胞贴壁后进行后续实验。
3.3.2实验分组如下:
1)未处理组:是指未经处理的细胞,该组作为空白对照组。
2)RNAiMAX处理组:分别用100μL opti-MEM培养基(Invitrogen,Thermo Fisher Scientific)稀释2μL LipofectamineTMRNAiMAX转染试剂(Invitrogen,Thermo Fisher Scientific)和核酸溶液,二者混匀后放置15min,加入细胞中,混匀,核酸的终浓度为400nM,该组作为阳性对照组。
3)自由摄取(Free uptake)组:直接加入核酸溶液(终浓度为400nM),该组作为阴性对照组;
4)脂质核酸混合物处理组:将步骤2中制备的脂质与核酸混合物加入细胞中,混匀,核酸的终浓度为400nM。
3.3.3与细胞共同孵育24h后,给予刺激物(1μg/mL双链RNA病毒模拟物poly(I:C)(P1530,Sigma-Aldrich)或3ng/mL转化生长因子TGFβ1(Pepro Tech))刺激细胞,作用一定时间后,用强RIPA裂解液收取细胞,利用Western blot检测相关基因(相关基因类型视具体情况而定,均显示在相应的图中)的蛋白表达水平(A549细胞经poly(I:C)刺激后24h检测REL-A的蛋白表达水平,内参蛋白为β-肌动蛋白;MRC-5细胞经TGF-β1刺激72h后检测纤连蛋白和α-SMA蛋白的表达,内参蛋白为GAPDH;siRNA的递送实验检测相应的敲低基因的蛋白表达,内参蛋白为β-肌动蛋白),具体步骤如下:
1)蛋白样品的收集与BCA法浓度测定
H.弃去培养基,12孔板细胞,每孔加入1mL PBS缓冲液清洗一遍,每孔加入100μL预冷的强RIPA裂解液,将细胞用枪头刮下并转移到离心管中,置冰上裂解20min;
I.4℃,12,000rpm,离心10min,转移上清至新的离心管中;
J.将BCA试剂A与B(50:1,v/v)充分混匀,配制BCA工作液;
K.分别取25μL新鲜配制的BSA标准液和待测样品,加入到96孔板中,每孔中加入200μL BCA工作液,并充分混匀;37℃孵育30min;
L.用紫外分光光度计(Synergy 4多功能酶标仪)于562nm处检测其吸光度,根据标准曲线计算出样品中的蛋白浓度;
M.用RIPA裂解液和Loading Buffer调节样品浓度,使各样品浓度一致;
N.95℃,变性处理10min。
2)蛋白免疫印迹法检测(Western blot)
E.制胶:采用10%浓度分离胶(下层胶)和5%浓度的浓缩胶(上层胶),15孔梳子所做泳道,每个泳道样品蛋白上样量相等;
F.蛋白电泳:加入电泳缓冲液,电泳起始电压80V;当溴酚兰染料到分离胶后,提高电压至120V继续电泳,直至溴酚兰染料达到分离胶底部或全部泳出凝胶;
G.湿法转膜:按照转膜夹板(负极)-海绵-滤纸-凝胶-PVDF膜-滤纸-海绵-转膜夹板(正极)的顺序进行组装;安装后并将整个转膜装置置于4℃冷室;恒定电流300mA,转膜120min;
H.封闭:转膜结束后置于3%BSA封闭液中,室温封闭1h;
I.一抗孵育:将封闭后的PVDF膜转移至杂交袋中,加入含有对应一抗(一抗的信息如下)的3%BSA封闭液,赶出袋中气泡,密封后4℃过夜孵育;
J.洗膜:将PVDF膜取出,用TBST洗膜3次,每次10min;
K.二抗孵育:弃去TBST,加入含有带有辣根过氧化物酶(HRP)的山羊抗兔或山羊抗小鼠的二抗(购自杭州联科生物技术有限公司)的3%BSA封闭液(二抗稀释比例1:5000),室温孵育1小时;
L.洗膜:用TBST洗膜3次,每次10min;
M.显影:配制Western显色液(1:1,V/V,Merck Millipore,ECL化学发光显色液购自Millipore公司),并将配制好的显色液均匀滴加于膜结合蛋白的一侧;用保鲜膜小心的将膜包好,显色后观察;
N.分析:用Image J软件进行分析。
4.脂质核酸混合物的体内递送实验
4.1实验步骤:
1)脂质核酸混合物制备:采用水煮法制备,400μL HJT-sRNA-m7(5nmol)单链RNA DEPC处理的水溶液,分别加入9μL或 18μL脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V),混匀后,100℃加热30min。
2)6-8周龄雄性C57BL/6J野生型小鼠灌胃给RNA:用灌胃针分别给予HJT-sRNA-m7水溶液或脂质与HJT-sRNA-m7的混合溶液,400μL/只(HJT-sRNA-m7,5nmol/只),分组如下:
A.对照组(未处理组):不做任何处理的小鼠;
B.阴性对照组(lipid组):灌胃9μL脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V);
C.自由摄食组(Free uptake):直接灌胃HJT-sRNA-m7单链RNA溶液;
D.脂质与核酸混合物组:灌胃给脂质组合与HJT-sRNA-m7单链RNA的混合物。
3)收样:灌胃给药3h后,用3mL TRIzol裂解小鼠全肺,匀浆后-80℃冻存。
4)总RNA提取:
A.小鼠肺组织,加入3.0mLTRIzol裂解液,用匀浆器研磨,12,000rpm,4℃,离心10min,去除未能匀浆充分的组织沉淀;
B.按200μL/mLTRIzol的比例加入氯仿,充分振荡混匀,室温放置15min;
C.12,000rpm,4℃,离心15min,吸取上层水相,至另一离心管中;
D.重复上述步骤,按上层水相加入等量的氯仿,充分混匀后室温放置10min;
E.12,000rpm,4℃,离心15min;
F.吸取上层水相至另一新EP管中,按0.5mL/mLTRIzol加入异丙醇混匀,室温放置5-10min;
G.12,000rpm,4℃,离心15min,弃上清;
H.加入1mL 75%乙醇,温和振荡离心管,悬浮沉淀;
I.12,000rpm,4℃,离心10min尽量弃上清;
J.室温晾干5-10min,用50μL DEPC处理过的H2O溶解RNA样品。
5)RT-qPCR(SYBR Green通用染料法)检测HJT-sRNA-m7的丰度。除非另有说明,HJT-sRNA-m7单链溶液指HJT-sRNA-m7单链的DEPC处理水溶液。HJT-sRNA-m7双链溶液指HJT-sRNA-m7双链的DEPC处理水溶液。
实施例1-1:不同类别脂质组合递送单链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的MRC-5细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μLRNAiMAX转染试剂和HJT-sRNA-m7单链的DEPC处理水溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为200nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为200nM);
4)脂质与核酸混合物处理组:将3μL脂质单体或脂质组合分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为200nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质单体或脂质组合的氯仿溶液(脂质No1/2/4/9/14/18/19/20/21/22/23/24/25/26/27/28/29/30/32氯仿溶液浓度为5mg/mL,脂质No3/8/10/11/12/13/33/34/35/36氯仿溶液浓度为10mg/mL,脂质No6/15/16/17/31氯仿溶液浓度为1mg/mL),100℃,加热30min;
a)脂质组合:
b)MG(monoglyceride,单酰基甘油):3μLNo34脂质;
c)DG(diglyceride,甘油二酯):3μL No1/2/3/19/35等体积氯仿溶液的混合物;
d)TG(triglyceride,甘油三酯):3μL No6/9/10/13/15/16/18/20/21/22/23/24/25/26/27/28/32/33等体积氯仿溶液的混合物;
e)LPC(Lysophosphatidylcholine,溶血卵磷脂):3μL No36/37等体积氯仿溶液的混合物;
f)PC(phosphatidylcholine,磷脂酰胆碱):3μL No11/12等体积氯仿溶液的 混合物;
g)PE(phosphatidylethanolamine,磷脂酰乙醇胺):3μL No8/38等体积氯仿溶液的混合物;
h)Cer(Ceramides,神经酰胺):3μL No4/14等体积氯仿溶液的混合物;
i)So(Sphingoshine,(神经)鞘氨醇):3μL No17/30/31等体积氯仿溶液的混合物;
j)FA(fatty acid,脂肪酸):3μL No29
k)混合物:3μL No1-36(无No5/7)等体积氯仿溶液的混合物;
l)混合物1:3μL No1-36(无No5/7/34)等体积氯仿溶液的混合物;
m)混合物2:3μL No1-36(无No5/7/1/2/3/19/35)等体积氯仿溶液的混合物;
n)混合物3:3μL No1-36(无No5/7/6/9/10/13/15/16/18/20/21/22/23/24/25/26/27/28/32/33)等体积氯仿溶液的混合物;
o)混合物4:3μL No1-36(无No5/7/36/37)等体积氯仿溶液的混合物;
p)混合物5:3μL No1-36(无No5/7/11/12)等体积氯仿溶液的混合物;
q)混合物6:3μL No1-36(无No5/7/8)等体积氯仿溶液的混合物;
r)混合物7:3μL No1-36(无No5/7/4/14)等体积氯仿溶液的混合物;
s)混合物8:3μL No1-36(无No5/7/29)等体积氯仿溶液的混合物;
2)实验条件:HJT-sRNA-m7终浓度200nM,加入细胞12h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,上述脂质组合均可以有效递送核酸进入细胞(见图48),有希望提高临床上核酸药物递送的效率。其中,混合物2、混合物3、混合物5、混合物7、混合物8介导核酸进入MRC-5细胞的量较高。
实施例1-2:脂质组合递送单链核酸进入MRC-5细胞和Caco-2细胞
(一)实验分组:
测试细胞为MRC-5细胞和Caco-2细胞
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为200nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为200nM);
4)脂质单体与核酸处理组:将3μL脂质单体(No1或No8或No12)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为200nM。
5)脂质组合混合物与核酸混合物处理组:将3μL脂质组合(No1/8/12等体积混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为200nM。
6)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL脂质单体No1或No8或No12与1μL下述脂质类别(MG、DG、TG、LPC、Cer、So或FA)混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为200nM。在图49A和图49B中,该处理组分别共同表示为No.1 2μL+mix 1μL、No.82μL+mix 1μL、和No.12 2μL+mix 1μL,其中横向涵盖范围内,MG表示2μL脂质单体No1或No8或No12+1μL MG,DG表示2μL脂质单体No1或No8或No12+1μLDG,TG表示2μL脂质单体No1或No8或No12+1μLTG,LPC表示2μL脂质单体No1或No8或No12+1μLLPC,Cer表示2μL脂质单体No1或No8或No12+1μLCer,So表示2μL脂质单体No1或No8或No12+1μLSo,FA表示2μL脂质单体No1或No8或No12+1μLFA。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质单体(脂质No1氯仿溶液浓度为5mg/mL,No8/12氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):2μL No34脂质;
DG(diglyceride,甘油二酯):2μL No1/2/3/19/35等体积氯仿溶液的混合物;
TG(triglyceride,甘油三酯):2μL  No6/9/10/13/15/16/18/20/21/22/23/24/25/26/27/28/32/33等体积氯仿溶液的混合物;
LPC(Lysophosphatidylcholine,溶血卵磷脂):2μL No36/37等体积氯仿溶液的混合物;
Cer(Ceramides,神经酰胺):2μL No4/14等体积氯仿溶液的混合物;
So(Sphingoshine,(神经)鞘氨醇):2μL No17/30/31等体积氯仿溶液的混合物;
FA(fatty acid,脂肪酸):2μL No29
2)实验条件:HJT-sRNA-m7终浓度200nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的细胞进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,对于MRC-5细胞,混合物(No1/8/12等体积混合),No.12μL+No.8 1μL,No.1 2μL+No.12 1μL,No.1 2μL+MG 1μL,No.8 2μL+MG1μL,No 12 2μL+No.8 1μL以及No 12 2μL+So 1μL较为有效递送核酸。
对于Caco-2细胞,混合物(No1/8/12等体积混合),No.1 2μL+No.8 1μL,No.1 2μL+No.12 1μL,No.1 2μL+MG 1μL,No.8 2μL+MG 1μL,No 12 2μL+No.8 1μL,No 12 2μL+LPC 1μL以及No 12 2μL+So 1μL较为有效递送核酸。
实施例1-3:脂质组合递送单链核酸进入细胞
细胞类型:A549、MRC-5和Caco-2细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质单体与核酸处理组:将3μL脂质单体(No8或No12)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀, RNA的终浓度为100nM。
5)脂质组合PC(No12)&PE(No8)与核酸混合物处理组:将2.25μL脂质组合(PC(No12)&PE(No8),2:1,V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
6)脂质组合与核酸混合物处理组:将3μL脂质组合(2.25μL脂质组合PC(No12)&PE(No8)与0.75μL下述脂质类别DG、TG、LPC、PC、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。在图50中,2.25μL+0.75μL上方横线涵盖的处理组即为该混合物处理组。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入脂质单体(脂质No8/12氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):0.75μL No1/2等体积氯仿溶液的混合物;
TG(triglyceride,甘油三酯):0.75μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):0.75μL No36/37等体积氯仿溶液的混合物;
PC(Lysophosphatidylcholine,溶血卵磷脂):0.75μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):0.75μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):0.75μL No31氯仿溶液;
FA(fatty acid,脂肪酸):0.75μL No29
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,上述脂质单体及脂质组合均可以有效递送核酸进入细胞(见图50),有希望提高临床上核酸药物递送的效率。
对于A549、MRC-5和Caco-2细胞,2.25μL PC(No12)&PE(No8)+0.75μL DG(No1/2等体积氯仿溶液的混合物)取得最佳的递送效率。
实施例1-4:脂质组合递送单链核酸进入细胞
细胞类型:A549、MRC-5和Caco-2细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质单体与核酸处理组:将3μL脂质单体(No1或No8或No12)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合DG(No1)&PE(No8)&PC(No12)与核酸混合物处理组:将上述3μL脂质组合(DG(No1)&PE(No8)&PC(No12),1:1:1,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
6)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL脂质组合DG(No1)&PE(No8)&PC(No12)与1μL下述脂质类别DG、TG、LPC、PC、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。在图51中,2μL脂质组合DG(No1)&PE(No8)&PC(No12)+1μL上方横线涵盖的处理组即为该混合物处理组。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质单体(脂质No1氯仿溶液浓度为5mg/mL,No8/12氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):1μL No1/2等体积氯仿溶液的混合物;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No36/37等体积氯仿溶液的混合物;
PC(Lysophosphatidylcholine,溶血卵磷脂):1μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,上述脂质组合均可以有效递送核酸进入细胞(见图51),有希望提高临床上核酸药物递送的效率。
对于细胞类型A549、MRC-5和Caco-2细胞,2μL脂质组合DG(No1)&PE(No8)&PC(No12)与1μL TG(15)取得最佳的递送效果。
实施例1-5:脂质组合递送单链核酸进入细胞
细胞类型:A549、MRC-5和Caco-2细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质单体与核酸处理组:将3μL脂质单体No8与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM;
5)脂质组合PE(No8)&MG(No34)与核酸混合物处理组:将上述2.25μL脂质组合(PE(No8)&MG(No34),2:1,V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
6)脂质组合与核酸混合物处理组:将3μL脂质组合(2.25μL脂质组合PE(No8)&MG(No34)与0.75μL下述脂质类别DG、TG、LPC、PC、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。在图52中,2.25μL脂质组合 PE(No8)&MG(No34)+0.75μL上方横线涵盖的处理组即为该混合物处理组。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入脂质单体(脂质No8氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):0.75μL No1/2等体积氯仿溶液的混合物;
TG(triglyceride,甘油三酯):0.75μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):0.75μL No36/37等体积氯仿溶液的混合物;
PC(Lysophosphatidylcholine,溶血卵磷脂):0.75μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):0.75μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):0.75μL No31氯仿溶液;
FA(fatty acid,脂肪酸):0.75μL No29
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,上述脂质单体及脂质组合均可以有效递送核酸进入细胞(见图52),有希望提高临床上核酸药物递送的效率。
对于细胞类型A549、MRC-5和Caco-2细胞,2.25μL PE(No8)&MG(No34)+0.75μL So(31)取得最佳的递送效果。
实施例1-6:脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的A549细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质单体与核酸处理组:将3μL脂质单体No38与HJT-sRNA-m7的单链 核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将上述3μL脂质组合(2μL脂质单体No38与1μL下述脂质类别MG、DG、TG、LPC、PC、PE、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质单体(lipidNo38氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No37氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
PE(phosphatidylethanolamine,磷脂酰乙醇胺):1μL No8氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:对于A549细胞,与自由摄取组相比,2μL脂质单体No38与1μL LPC(37)、TG(15)、PC(12)、DG(1)可以有效递送核酸进入细胞(见图53),有希望提高临床上核酸药物递送的效率。
实施例1-7脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的A549细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转 染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合DG(No1)&PE(No38)&PC(No12)与核酸混合物处理组:将上述3μL脂质组合(DG(No1)&PE(No38)&PC(No12),1:1:1,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL脂质组合DG(No1)&PE(No38)&PC(No12)与1μL下述脂质类别MG、TG、LPC、PE、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No37氯仿溶液;
PE(phosphatidylethanolamine,磷脂酰乙醇胺):1μL No8氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,2μL脂质组合DG(No1)&PE(No38)&PC(No12)与1μL TG(15)、Cer(4)、So(31)、FA(29)、LPC(37)、PE(8)均可以有效递送核酸进入A549细胞(见图54),有希望提高临床上核酸药物递送的效率。
实施例1-8脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的A549细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&MG(No34)与核酸混合物处理组:将上述3μL脂质组合(PE(No38)&MG(No34),2:1,V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL脂质组合PE(No38)&MG(No34)与1μL下述脂质类别DG、TG、LPC、PC、PE、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No37氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
PE(phosphatidylethanolamine,磷脂酰乙醇胺):1μL No8氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实 验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图55),有希望提高临床上核酸药物递送的效率。其中,2μL脂质组合PE(No38)&MG(No34)与1μLLPC(37)取得最佳的递送效果。
实施例1-9脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&PC(No12)与核酸混合物处理组:将上述3μL脂质组合(PE(No38)&PC(No12),2:1,V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL脂质组合PE(No38)&PC(No12)与1μL下述脂质类别MG、DG、TG、LPC、PE、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No37氯仿溶液;
PE(phosphatidylethanolamine,磷脂酰乙醇胺):1μL No8氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图56),有希望提高临床上核酸药物递送的效率。其中,2μL脂质组合PE(No38)&PC(No12)与1μL Cer(4)取得最佳的效果。
实施例1-10脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&PC(No12)&DG(No1)&TG(No15)与核酸混合物处理组:将上述3μL脂质组合(PE(No38)&PC(No12)&DG(No1)&TG(No15),2:2:2:3,V/V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2.2μL脂质组合PE(No38)&PC(No12)&DG(No1)&TG(No15)与0.8μL下述脂质类别MG、LPC、Cer、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):0.8μL No34脂质;
LPC(Lysophosphatidylcholine,溶血卵磷脂):0.8μL No37氯仿溶液;
Cer(Ceramides,神经酰胺):0.8μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):0.8μL No31氯仿溶液;
FA(fatty acid,脂肪酸):0.8μL No29
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图57),有希望提高临床上核酸药物递送的效率。其中,2.2μL脂质组合PE(No38)&PC(No12)&DG(No1)&TG(No15),以及2.2μL脂质组合PE(No38)&PC(No12)&DG(No1)&TG(No15)与0.8μL LPC(37)或So(31)取得较好的递送效率。
实施例1-11脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&MG(No34)&LPC(No37)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&MG(No34)&LPC(No37),4:2:3,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2.2μL脂质组合PE(No38)&MG(No34)&LPC(No37)与0.8μL下述脂质类别DG、TG、PC、Cer、或So混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):0.8μL No1氯仿溶液;
TG(triglyceride,甘油三酯):0.8μL No15氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):0.8μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):0.8μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):0.8μL No31氯仿溶液;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图58),有希望提高临床上核酸药物递送的效率。
实施例1-12脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&PC(No12)&Cer(No4)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&PC(No12)&Cer(No4),4:2:3,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2.2μL脂质组合PE(No38)&PC(No12)&Cer(No4)与0.8μL下述脂质类别MG、DG、TG、LPC、So或FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):0.8μL No34脂质;
DG(diglyceride,甘油二酯):0.8μL No1氯仿溶液;
TG(triglyceride,甘油三酯):0.8μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):0.8μL No37氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):0.8μL No31氯仿溶液;
FA(fatty acid,脂肪酸):0.8μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图59),有希望提高临床上核酸药物递送的效率。其中,2.2μL脂质组合PE(No38)&PC(No12)&Cer(No4)与0.8μL FA(29)递送效率最佳。
实施例1-13脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&PC(No12)&Cer(No4)&FA(No29)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&PC(No12)&Cer(No4)&FA(No29),44:22:33:36,V/V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合 (PE(No38)&PC(No12)&Cer(No4)&FA(No29)与1μL下述各脂质类别混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
LPC(Lysophosphatidylcholine,溶血卵磷脂):1μL No37氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图60),有希望提高临床上核酸药物递送的效率。
实施例1-14:脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&PC(No12)&So(No31)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&PC(No12)&So(No31),2:1:3,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μL PE(No38)&PC(No12)&So(No31)与1μL下述各脂质类别MG、DG、TG、LPC、Cer、FA)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图61),有希望提高临床上核酸药物递送的效率。其中以2μL PE(No38)&PC(No12)&So(No31)与1μL FA(29)递送效果最佳。
实施例1-15脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&MG(No34)&LPC(No37)&So(No31)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&MG(No34)&LPC(No37)&So(No31), 44:22:33:36,V/V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μLPE(No38)&MG(No34)&LPC(No37)&So(No31)与1μL下述各脂质类别DG、TG、PC、Cer、FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,在2μLPE(No38)&MG(No34)&LPC(No37)&So(No31)的基础上,添加1μL1ul DG(1)、TG(15)、PC(12)、Cer(4)和FA(29)均可以有效递送核酸进入细胞(见图62),有希望提高临床上核酸药物递送的效率。其中添加1μLPC(12)核酸递送效率最佳能够加强核酸递送效率。
实施例1-16脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&LPC(No37)与核酸混合物处理组:将上述3μL脂质组合PE(No38)&LPC(No37),2:1,V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μLPE(No38)&LPC(No37)与1μL下述各脂质类别MG、DG、TG、PC、Cer、So、FA混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
TG(triglyceride,甘油三酯):1μL No15氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取组相比,上述脂质组合均可以有效递送核酸进入细胞(见图63),有希望提高临床上核酸药物递送的效率。在2μL脂质组合PE(No38)&LPC(No37)基础上,添加1μLTG(15)核酸递送效果最佳。
实施例1-17脂质组合递送单链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7单链溶液(终浓度为100nM);
4)脂质组合PE(No38)&LPC(No37)&TG(No15)与核酸混合物处理组:将上述3μL脂质组合(PE(No38)&LPC(No37)&TG(No15),32:8:5,V/V/V)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将3μL脂质组合(2μLPE(No38)&LPC(No37)&TG(No15)与1μL下述各脂质类别(MG、DG、PC、Cer、So或FA)混合)分别与HJT-sRNA-m7的单链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7单链溶液加入3μL脂质组合,100℃,加热30min;
MG(monoglyceride,单酰基甘油):1μL No34脂质;
DG(diglyceride,甘油二酯):1μL No1氯仿溶液;
PC(phosphatidylcholine,磷脂酰胆碱):1μL No12氯仿溶液;
Cer(Ceramides,神经酰胺):1μL No4氯仿溶液;
So(Sphingoshine,(神经)鞘氨醇):1μL No31氯仿溶液;
FA(fatty acid,脂肪酸):1μL No29氯仿溶液。
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法DG、检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图64),有希望提高临床上核酸药物递送的效率。脂质组合PE(No38)&LPC(No37)&TG(No15)有效递送核酸进入细胞。在该脂质组合PE(No38)&LPC(No37)&TG(No15)基础上进一步添加其它脂质类别未能加强这种效果。
实施例2-1:脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链RNA溶液(终浓度为100nM);
4)脂质单体与核酸处理组:将3μL脂质单体No38与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将上述3μL脂质组合(2μL脂质单体No38与1μL脂质氯仿溶液No.8、1、2、11、12、34、37、4、30、31、29、32、1+2(等体积混合)或11+12(等体积混合)混合)分别与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质单体(lipidNo38氯仿溶液浓度为10mg/mL)或脂质组合,100℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质单体及脂质组合均可以有效递送核酸进入细胞(见图65),有希望提高临床上核酸药物递送的效率。脂质单体38能够有效递送双链核酸进入MRC-5细胞,效果接近转染试剂RNAiMAX。在此基础上增加其他脂质未能进一步加强这种效果。
实施例2-2:脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合(No38&No37,2:1,V/V)与核酸处理组:将3μL脂质组合与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将上述3μL脂质组合(2μLNo38&No37混合物与1μL脂质氯仿溶液No.8、1、2、11、12、34、37、4、30、31、29、32、1+2(等体积混合)或11+12(等体积混合)混合)分别与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,100℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质单体及脂质组合均可以有效递送核酸进入细胞(见图66),有希望提高临床上核酸药物递送的效率。No38&No37混合物可以有效将双链核酸递送到MRC-5细胞中。在2μL No38&No37混合物基础上增加1μL除11和34号脂质外的脂质均能够加强这种效果。此外,出乎意料的是,以2μL No38&No37混合物基础上增加1μL脂质32取得了最佳的效果,甚至明显好于RNAiMAX的效果。
实施例2-3脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合(PE(No38)&PC(No12)&Cer(No4))与核酸处理组:将3μL脂质组合(PE(No38)&PC(No12)&Cer(No4),4:2:3,V/V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将上述3μL脂质组合(2.5μLPE(No38)&PC(No12)&Cer(No4)混合物与0.5μL脂质(DG(2)、TG(6)、So(17)、FA(29)、MG(34)和LPC(37))混合)分别与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,100℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法(SYBR Green通用染料法)检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质单体及脂质组合均可以有效递送核酸进入细胞(见图67),有希望提高临床上核酸药物递送的效率。在LPE(No38)&PC(No12)&Cer(No4)混合物的基础上添加1/5的LPC(37)能够显著增加核酸的递送效果。此外,添加DG(2)和TG(16)也可以增加进一步加强递送效果。
实施例2-4脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合(PE(No38)&DG(No2))与核酸处理组:将3μL脂质组合(PE(No38)&DG(No2)),2:1,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)脂质组合与核酸混合物处理组:将上述3μL脂质组合(2μLPE(No38)&DG(No2)混合物与1μL其他脂质No.37、31、29、34、12或4混合)分别与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,100℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图68),有希望提高临床上核酸药物递送的效率。脂质组合(2μLPE(No38)&DG(No2)混合物可以有效递送双链核酸进入A549细胞。与该脂质组合相比,以2:1的比例混合的脂质组合(2μLPE(No38)&DG(No2)和37、31、12或4可以增加递送效果。
实施例2-5脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No38)&LPC(No37),4:1,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,70℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图69),有希望提高临床上核酸药物递送的效率,效果接近RNAiMAX。
实施例2-6脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No38)&PC(No12),4:1,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,70℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定 量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合均可以有效递送核酸进入细胞(见图70),有希望提高临床上核酸药物递送的效率,效果好于RNAiMAX或与RNAiMAX相等。
实施例2-7脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No38)&PC(No12)&DG(No2),4:1:5,V/V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图71),有希望提高临床上核酸药物递送的效率。脂质组合((PE(No38)&PC(No12)&DG(No2),4:1:5,V/V/V)的对A549细胞的双链核酸递送效果好于RNAiMAX。
实施例2-8脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No38)&LPC(No37)&DG(No2),32:8:5,V/V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图72),有希望提高临床上核酸药物递送的效率,效果接近RNAiMAX。
实施例2-9脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No8)&PC(No12),1:2,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图73),有希望提高临床上核酸药物递送的效率。脂质组合((PE(No8)&PC(No12),1:2,V/V)的对A549细胞的双链核酸递送效果明显好于RNAiMAX。
实施例2-10脂质组合递送双链核酸进入A549细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No8)&LPC(No37),4:1,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图74),有希望提高临床上核酸药物递送的效率。
实施例2-11脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转 染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No8)&PC(No12),1:2,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM;
5)脂质组合与HJT-sRNA-m7混合物处理组:3μL脂质组合(2μL PE(No8)&PC(No12)与1μL其他类别脂质(MG(34)、DG(2)、TG(32)、LPC(37)、PC(11)、PE(38)、Cer(4)、So(31)或FA(29))混合)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图75),有希望提高临床上核酸药物递送的效率。PE(No8)&PC(No12)可以有效递送核酸进入细胞,并且效果明显优于RNAiMAX。与PE(No8)&PC(No12)相比,以2:1的比率混合的PE(No8)&PC(No12)和Cer(4)或PE(38)可以增强这种效果。
实施例2-12脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No8)&PC(No12)&DG(No2),8:16:3,V/V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀, RNA的终浓度为100nM。
5)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,80℃,加热30min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,与自由摄取和RNAiMAX组相比,脂质组合((PE(No8)&PC(No12)&DG(No2),8:16:3,V/V/V)的递送效果明显高于RNAiMAX的效果(见图76),有希望提高临床上核酸药物递送的效率。
实施例2-13脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
混合物1:PE(8):LPC(37):TG(32)-4:1:2
混合物2:PE(8):LPC(37):DG(2)-4:1:2
混合物3:PE(8):PC(12):So(31):FA(29)-1:2:1:1
5)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2.5μL脂质组合,90℃,加热15min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图77),有希望提高临床上核酸药物递送的效率。与RNAiMAX相比,混合物1:PE(8):LPC(37):TG(32)-4:1:2和混合物2:PE(8):LPC(37):DG(2)-4:1:2的递送效果是相当的,而混合物3:PE(8):PC(12):So(31):FA(29)-1:2:1:1的效果明显更好。
实施例2-14脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合混合物与HJT-sRNA-m7混合物作用组:3μL脂质组合混合物(PE(8):PC(12):So(31):FA(29)-1:2:1:1)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM;
5)脂质组合与HJT-sRNA-m7混合物作用组:3μL脂质组合(2μL脂质组合mix与1μL图78中其他类别脂质即脂质34、2、32、11、37、38或4混合)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入3μL脂质组合,90℃,加热15min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图78),有希望提高临床上核酸药物递送的效率。混合物(PE(8):PC(12):So(31):FA(29)-1:2:1:1)的递送效果明显好于RNAiMAX的递送效果。与混合物(PE(8):PC(12):So(31):FA(29)-1:2:1:1)相比,以2:1的比率添加的混合物(PE(8):PC(12):So(31):FA(29)-1:2:1:1)与脂质2、38或4可以明显提高这 种递送效果。
实施例2-15脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合((PE(No8)&So(No31),6:1,V/V)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
5)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,90℃,加热15min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞24h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,脂质组合((PE(No8)&So(No31),6:1,V/V)的递送效果明显好于RNAiMAX的递送效果(见图79),有希望提高临床上核酸药物递送的效率。
实施例2-16脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合(PE(8):So(31),4:1,V/V)与HJT-sRNA-m7混合物作用组:2μL脂质组合与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细 胞中,混匀,RNA的终浓度为100nM;
5)脂质组合与HJT-sRNA-m7混合物作用组:脂质组合(PE(8):So(31),4:1,V/V)与其他类别脂质(MG(34)、DG(2)、LPC(37)、PC(12)、PC(11)、Cer(4)、FA(29)或TG(32))混合(12:3:5,V/V,图80)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,90℃,加热15min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞12h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图80),有希望提高临床上核酸药物递送的效率。PE(8):So(31)(4:1,V/V)可以有效递送核酸进入细胞,效果接近RNAiMAX。与PE(8):So(31)相比,以12:3:5的比例混合的PE(8):So(31):MG(34)、DG(2)、PC(12)、PC(11)、或TG(32)可以增加核酸递送效果,并且PE(8):So(31):)PC(11)的效果最佳,明显好于RNAiMAX。
实施例2-17脂质组合递送双链核酸进入MRC-5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
3)自由摄取(Free uptake)组:直接加入HJT-sRNA-m7双链溶液(终浓度为100nM);
4)脂质组合(PE(8):Cer(4),4:1,V/V)与HJT-sRNA-m7混合物作用组:2μL脂质组合与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM;
5)脂质组合与HJT-sRNA-m7混合物作用组:脂质组合PE(8):Cer(4)与其他类别脂质MG(34)、DG(2)、LPC(37)、PC(12)、PC(31)、FA(29)或TG(32)混合 (12:3:5,V/V,图81)与HJT-sRNA-m7的双链核酸溶液经水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
(二)实验过程
1)水煮法条件:100μL HJT-sRNA-m7双链溶液加入2μL脂质组合,90℃,加热15min;
2)实验条件:HJT-sRNA-m7终浓度100nM,加入细胞12h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的进入量。具体实验方法参见上文“实时荧光定量PCR检测细胞内脂质递送核酸的表达量”。所有实验一式三份进行。
结论:结果表明,上述脂质组合可以有效递送核酸进入细胞(见图81),有希望提高临床上核酸药物递送的效率。脂质组合PE(8):Cer(4)可以有效递送核酸进入细胞,效果接近RNAiMAX。与PE(8):So(31)相比,以12:3:5的比例混合的PE(8):So(31):DG(2)、FA(29)、或TG(32)可以增加核酸递送效果,并且FA(29)可以显著提高PE(8):So(31)的递送效果,明显好于RNAiMAX。
实施例3脂质组合促进核酸通过消化道进入肺
脂质组合如下:
脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V
1.脂质-核酸复合物的制备:
方法:水煮法
400μL HJT-sRNA-m7(5nmol)单链RNA的DEPC处理的水溶液,分别加入9μL或18μL脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V),混匀后,100℃加热30min。
2.核酸的消化道递送实验
6-8周龄雄性C57小鼠灌胃给RNA:用灌胃针分别给予HJT-sRNA-m7水溶液或脂质与HJT-sRNA-m7的混合溶液,400μL/只(HJT-sRNA-m7,5nmol/只),分组如下:
(1)对照组(未处理组):不做任何处理的小鼠;
(2)阴性对照组(脂质组):灌胃9μL脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V);
(3)自由摄食组(Free uptake):直接灌胃HJT-sRNA-m7单链RNA;
(4)脂质与核酸混合物组:灌胃给脂质组合与HJT-sRNA-m7单链RNA的混合物。
灌胃给药3h后,用3mL TRIzol裂解小鼠全肺,提取总RNA,RT-qPCR检测HJT-sRNA-m7的丰度。
结论:如图82所示,与自由摄食组相比,9μL或18μL脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V)显著促进小片段核酸进入肺组织(*表示P值小于0.05)。经过这种(非侵入式)灌胃施用,脂质组合(脂质PE(No38)&LPC(No37)&TG(No32),4:2:3,V/V/V)可促进小片段核酸进入肺组织,可作为核酸药物的递送方式。
实施例4脂质混合物介导双链核酸进入细胞的功能实验
1 No.8(PE):No.12(PC)(v:v=1:2)脂质混合物介导核酸进入细胞发挥功能
实验方法:蛋白免疫印迹法,具体参见上文“蛋白免疫印迹法检测蛋白表达水平”。
1)No.8(PE):No.12(PC)(v:v=1:2)介导抗纤维化HJT-sRNA-m7双链进入MRC-5细胞
如图83所示,通过水煮法和逆向蒸发法,No.8(PE):No.12(PC)(v:v=1:2)脂质混合物可以有效递送核酸进入细胞发挥作用。
未处理组:是指未经处理的MRC-5细胞,即空白对照组;
TGFβG1组:MRC-5细胞加入TGFβ1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.8(PE):No.12(PC)(v:v=1:2)与NC mimics双链混合物加入MRC5细胞中混匀,核酸的终浓度为200nM,24h后加入TGFβ1蛋白(终浓度3ng/mL)刺激,TGFβ1刺激72h后收样;
M7组:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与HJT-sRNA-m7双链混合物加入MRC5细胞中,混匀,核酸的终浓度为200nM,24h后加入TGFβ1TGFb1蛋白(终浓度3ng/mL)刺激,72h后收样。
2)No.8(PE):No.12(PC)(v:v=1:2)介导siRNA进入A549细胞
如图84和85所示,通过加热法,No.8(PE):No.12(PC)(v:v=1:2)脂质混合物可以有效递送核酸进入细胞发挥敲低蛋白表达作用。
图84中的未处理组:是指未经处理的细胞,即空白对照组;
si-NC:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-NC(广州锐博公司合成,序列未知)混合物加入A549细胞中,混匀,终浓度400nM;48h后收取细胞,RIPA强裂解液裂解细胞收取蛋白样品。
si-CPSF30:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-CPSF30混合物加入A549细胞中,混匀,终浓度400nM;48h后收取细胞,RIPA强裂解液裂解细胞收取蛋白样品。
si-LAMP1:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-LAMP1混合物加入A549细胞中,混匀,终浓度400nM;48h后收取细胞,RIPA强裂解液裂解细胞收取蛋白样品。
si-LAMP2:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-LAMP2混合物加入A549细胞中,混匀,终浓度400nM;48h后收取细胞,RIPA强裂解液裂解细胞收取蛋白样品。
图85中自由摄取(Free uptake)组:直接加入核酸溶液
Lipo 2000组:分别用100μL opti-MEM培养基稀释2μL Lipofectamine TM2000转染试剂(Invitrogen,Thermo Fisher Scientific)和si-NFκB溶液,二者混匀后放置15min后,加入细胞中,混匀,核酸溶液终浓度为400nM;24h后加入polyI:C刺激(浓度1μg/mL1ug/mL),6h后收取蛋白样品。
No.8(PE):No.12(PC)(1:2):通过加热法,No.8(PE):No.12(PC)(1:2)与si-NFκB溶液混合,加入细胞中,核酸溶液终浓度为400nM;24h后加入polyI:C刺激(浓度1μg/mL),6h后收取蛋白样品。
上述核酸的类型和序列:见表2。
3)No.8(PE):No.12(PC)(v:v=1:2)介导siRNA进入THP-1细胞
如图86所示,通过水煮法,No.8(PE):No.12(PC)(v:v=1:2)脂质混合物可以有效递送核酸进入细胞发挥作用。
naive组:是指未经处理的细胞,即空白对照组;
LPS组:未加入siRNA,只加入LPS刺激,终浓度1μg/mL,9h后收取RNA样品及细胞上清;
si-NC组:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-NC混合物加入THP-1细胞中,混匀,终浓度400nM;24h后加入LPS,终浓度1μg/mL,刺激 9h后收取细胞TRIzol裂解样品,收集上清做ELISA检测。
si-TNFα组:脂质组合No.8(PE):No.12(PC)(v:v=1:2)与si-TNFα双链混合物加入THP-1A549细胞中,混匀,终浓度400nM,24h后加入LPS,终浓度1μg/mL,刺激9h后收取细胞TRIzol裂解样品,收集上清做ELISA检测。
2 No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)脂质混合物介导核酸进入细胞发挥功能
1)No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)介导抗纤维化HJT-sRNA-m7进入MRC-5细胞
如图87所示,通过水煮法,No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)可以有效递送抗纤维化HJT-sRNA-m7进入MRC-5MRC5细胞降低纤连蛋白蛋白表达。
2)No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达
如图88所示,通过水煮法,在No.8(PE)、No.12(PC)(v:v=1:2)脂质混合物基础上加入No.2(DG)(v:v:v=2:4:3)脂质混合物可以有效递送核酸进入细胞发挥作用。
未处理组:未处理的A549细胞;
NCsiRNA组:No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)脂质混合物与si-NC经过水煮法制备的siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
XRN2 siRNA组:表示No.8(PE):No.12(PC):No.2(DG)(v:v:v=2:4:3)脂质混合物与XRN2 siRNA经过水煮法制备的混合物加入细胞,混匀,核酸终浓度为:400nM。
3 No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物介导核酸进入细胞发挥功能
1)No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)
如图89所示,通过水煮法,在No.8(PE):No.12(PC)(v:v:v=1:2)脂质混合物基础上加入No.4(Cer)(v:v:v=1:2:1)脂质混合物可以有效递送抗纤维化HJT-sRNA-m7进入MRC-5MRC5细胞发挥降低纤维化蛋白表达的作用。
未处理组:未处理的细胞;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)递送NC mimics 24h后加入TGF-β1TGFb1蛋白(终浓度3ng/mL)刺激,72h后收样;
m7组:脂质组合No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)与HJT-sRNA-m7双链混合物加入MRC5细胞中,混匀,核酸的终浓度为400nM;24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样。
2)No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物介导NFκBsiRNA进入A549细胞抑制基因表达(水煮法)
如图90所示,在No.8(PE)、No.12(PC)(v:v=1:2)脂质混合物基础上加入No.4(Cer)(v:v:v=1:2:1)可以有效递送核酸进入细胞发挥作用。
未处理组:未处理的细胞;
siNC组:表示No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物与si-NCsiNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-NFκB组:表示No.8(PE):No.12(PC):No.4(Cer)(v:v:v=1:2:1)脂质混合物与NFκB siRNA混合物加入细胞,混匀,核酸终浓度为:400nM。
4 No.8(PE):No.12(PC):No.PC(11)(v:v:v=1:2:1)脂质混合物介导核酸进入细胞发挥功能
1)No.8(PE):No.12(PC):No.PC(11)(v:v:v=1:2:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达
如图91所示,在No.8(PE)、No.12(PC)(v:v=1:2)脂质混合物基础上加入No.11(PC)(v:v:v=1:2:1)可以有效递送核酸进入细胞发挥作用。
未处理组:未处理的细胞;
si-NC组:表示No.8(PE):No.12(PC):No.PC(11)(v:v:v=1:2:1)脂质混合物与si-NCsiNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.8(PE):No.12(PC):No.PC(11)(v:v:v=1:2:1)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM。
5 No.8(PE):No.12(PC):No.LPC(37)(v:v:v=1:2:1)脂质混合物介导核酸进入细胞发挥功能
1)No.8(PE):No.12(PC):No.LPC(37)(v:v:v=1:2:1)脂质混合物介导XRN2 siRNA双链核酸进入A549细胞抑制基因表达
如图92所示,在No.8(PE)、No.12(PC)(v:v=1:2)脂质混合物基础上加入No.37(LPC)(v:v:v=1:2:1)可以有效递送核酸进入细胞发挥作用。
未处理组:未处理的细胞;
siNC组:表示No.8(PE):No.12(PC):No.LPC(37)(v:v:v=1:2:1)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.8(PE):No.12(PC):No.LPC(37)(v:v:v=1:2:1)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
6 No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物介导核酸进入细胞发挥功能
1)No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物介导CPSF4siRNA进入A549细胞抑制基因表达
未处理组:未处理的细胞;
si-NCsiNC组:表示No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物与si-NCsiNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-CPSF4组:表示No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物与CPSF4 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM。
如图93所示,No.8(PE):No.12(PC):No.MG(34)(v:v:v=2:3:1)脂质混合物可以有效递送核酸进入细胞发挥作用。
7 No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物介导核酸进入细胞发挥功能
1)No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)
如图94所示,与对照相比,m7明细条带变浅。M7的作用并不足以使细胞恢复到未加刺激的水平。
未处理组:是指未经处理的细胞,即空白对照组;
TGFβ1组:加入TGFβ1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)递送NC mimics 24h后加入TGFβ1蛋白(终浓度3ng/mL)刺激,72h后收样;
m7组:脂质组合No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)与HJT-sRNA-m7双链混合物加入MRC-5MRC5细胞中,混匀,核酸的终浓度为 400nM;24h后加入TGFβ1蛋白(终浓度3ng/mL)刺激,72h后收样。
2)No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达
如图95所示,No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.38(PE):No.37(LPC):No.32(TG)(v:v:v=32:8:5)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
8 No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物介导核酸进入细胞发挥功能
1)如图96所示,No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)介导抗纤维化HJT-sRNA-m7进入MRC-5细胞(水煮法)
未处理组:是指未经处理的细胞,即空白对照组;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
M7组:脂质组合No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)与HJT-sRNA-m7单链混合物加入MRC5细胞中,混匀,核酸的终浓度为400nM;24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
2)如图97所示,No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)
No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.1(DG)、No.8(PE)、No.12(PC)、No.4(Cer)、No.31(So)、No.29(FA)、No.16(TG)(v:v:v:v:v:v:v=2:1:2:2:3:1:3)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质混合物介导核酸进入细胞发挥功能
1)如图98所示,No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:2.5)介导具有抗纤维化效应的HJT小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC5细胞(水煮法)
未处理组:是指未经处理的细胞,即空白对照组;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
M7组:脂质组合No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)与HJT-sRNA-m7单链混合物加入MRC5细胞中,混匀,核酸的终浓度为400nM;24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
2)如图99所示,No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)
No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示 No.8(PE):No.12(PC):No.31(So):No.29(FA):No.4(Cer)(v:v:v:v:v=2:4:2:2:5)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
10 No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物介导核酸进入细胞发挥功能
1)如图100所示,No.38(PE):No.37(LPC)(v:v=4:1)介导具有抗纤维化效应的HJT小RNA HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7进入MRC5细胞(水煮法)
未处理组:是指未经处理的细胞,即空白对照组;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.38(PE):No.37(LPC)(v:v=4:1)递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
M7组:脂质组合No.38(PE):No.37(LPC)(v:v=4:1)与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7加入MRC5细胞中,混匀,核酸的终浓度为400nM;24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
2)如图101所示,No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)
No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
11 No.38(PE):No.12(PC):No2(DG)(v:v:v=4:1:3)脂质混合物介导核酸进入细胞发挥功能
如图102所示,No.38(PE):No.12(PC):No2(DG)(v:v:v=4:1:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达。
将No.8(PE)替换为No.38(PE),与No.12(PC)、No.2(DG)(v:v:v=4:1:3)混合的脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.38(PE):No.12(PC):No2(DG)(v:v:v=4:1:3)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.38(PE):No.12(PC):No2(DG)(v:v:v=4:1:3)脂质混合物与XRN2 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
12 No.38(PE):No.37(LPC):No.12(PC)(v:v:v=4:1:1)脂质混合物介导核酸进入细胞发挥功能
如图103所示,No.38(PE):No.37(LPC):No.12(PC)(v:v:v=4:1:1)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(逆向蒸发法)
在No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物基础上加入No.12(PC)(v:v:v=4:1:1)可以有效递送核酸进入细胞发挥作用抑制基因表达。
siNC组:表示No.38(PE):No.37(LPC):No.12(PC)(v:v:v=4:1:1)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-RNA组:表示No.38(PE):No.37(LPC):No.12(PC)(v:v:v=4:1:1)脂质混合物与XRN2 siRNA、β-肌动蛋白siRNA、Ssu 72 siRNA或CPSF4 siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
13 No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物介导核酸进入细胞发挥功能
1)如图104所示,在No.38(PE)、No.37(LPC)、No.12(PC)脂质混合物基础上加入No.4(Cer),No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物抗纤维化HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7双链RNA进入MRC5细胞发挥功能,降低纤维化蛋白纤连蛋白表达水平(水煮法)
未处理组:是指未经处理的细胞,即空白对照组;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3双链核酸混合物加入细胞,混匀,核酸终浓度为:400nM;
m7:表示No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3) 脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
2)如图105所示,No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物介导XRN2 siRNA,v:v:v:v=5:2:8:3)可以有效递送核酸进入细胞发挥作用抑制基因表达。
siNC组:表示No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.4(Cer):No.12(PC):No.38(PE):No.37(LPC)(v:v:v:v=5:2:8:3)脂质混合物与XRN2混合物加入细胞,混匀,核酸终浓度为:400nM;
14 No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物介导核酸进入细胞发挥功能
1)如图106所示,No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物介导抗纤维化HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3、HJT-sRNA-m7双链RNA进入MRC5细胞发挥功能,降低纤维化蛋白纤连蛋白表达水平(水煮法)
未处理组:是指未经处理的细胞,即空白对照组;
TGF-β1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质组合No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
m7:表示No.38(PE):No.37(LPC)(v:v=4:1)脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
2)如图107所示,No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物介导XRN2 siRNA进入A549细胞抑制基因表达(水煮法)
No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物可以有效递送核酸进入细胞发挥作用。
siNC组:表示No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
si-XRN2组:表示No.38(PE):No.2(DG):No.31(So)(v:v:v=4:2:3)脂质混合物 与XRN2混合物加入细胞,混匀,核酸终浓度为:400nM;
实施例5:脂质41及其组合物的效果验证
(一)脂质单体通过不同制备方法(逆向蒸发法及水煮法)递送核酸(双链RNA及单链RNA)进入细胞
脂质41.Sphinganine(d22:0)
Figure PCTCN2019077004-appb-000076
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
如图108所示,脂质41通过不同制备方法(水煮法或逆向蒸发法)递送HJT-sRNA-m7双链RNA进入A549细胞。对于A549细胞,在水煮法的情况下,脂质41的递送效果是RNAimax的效果的约2倍,而在逆向蒸发法的情况下,脂质41的递送效果也明显高于RNAimax的效果。
如图109所示,脂质41通过不同制备方法(水煮法或逆向蒸发法)递送HJT-sRNA-m7双链RNA进入MRC5细胞。对于MRC5细胞,在水煮法的情况下,脂质41递送双链RNA进入MRC5细胞,而在逆向蒸发法的情况下,脂质41的递送效果明显高于RNAimax的效果。
如图110所示,脂质41通过水煮法递送HJT-sRNA-m7单链RNA进入A549及MRC5细胞。
2.数字PCR(ddPCR)技术检测脂质递送核酸效率
2.1实验材料:A549细胞购自中国医学科学院基础医学研究所细胞中心,TRIzol裂解液购自Sigma公司,High capacity cRNA Reverse Transcription Kit逆转录试剂盒购自美国ABI公司,数字PCR相关试剂购自Bio-rad公司。
2.3实验方法:按照前述方法用TRIzol裂解液收集并提取细胞总RNA,使用High capacity cRNA Reverse Transcription Kit逆转录为cDNA,将不同组cDNA进行数字PCR反应。具体操作步骤参考QX200 Droplet Reader and QuantaSoft Software说明书,利用QuantaSoft软件对结果进行分析。其中分组情况:(1)未处理组:不做任何处理的A549细胞;(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;(3)RNAimax组:用RNAimax将 HJT-sRNA-m7 dsRNA转染进入A549细胞,6h后收样检测;(4)No.41组:脂质41通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞,6h后收样检测。
实验结果与分析:如图111所示,在水煮法或逆向蒸发法中,No.41脂质均可以有效递送HJT-sRNA-m7 dsRNA进入A549细胞,水煮法的效果优于逆向蒸发法。
3.流式细胞技术检测脂质递送核酸效率
实验材料:A549细胞(购自中国医学科学院细胞中心),FAM-sRNA(购自锐博生物科技有限公司),脂质41,
Figure PCTCN2019077004-appb-000077
C6仪器(购自美国BD公司)
实验方法:将PGY-sRNA-6-FAM溶解于100ul水中,并与4ul脂质混合,用水煮法制备。之后将混合物丢入A549细胞中,共孵育6h后,收样检测,先用PBS清洗三遍后,用胰酶消化三分钟后,移去胰酶,再用PBS清洗后吹下来。用
Figure PCTCN2019077004-appb-000078
C6仪器测定。
如图112所示,实验结果:脂质41递送PGY-sRNA-6单链RNA效率是94.1%,比阳性对照RNAiMAX的69.4%相比,递送效率更高。同时脂质41递送PGY-sRNA-6双链RNA效率是96.7%,比阳性对照RNAiMAXd的94.9%相比,递送效率也更高,脂质41可高效递送单链及双链核酸进入A549细胞。
4.共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位
实验材料:A549细胞(购自中国医学科学院细胞中心),PGY-sRNA-6-Cy3(购自锐博生物科技有限公司),脂质41,Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000079
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:将PGY-sRNA-6-Cy3溶解于100ul水中,并与4ul脂质混合,用水煮法制备。之后将混合物丢入A549细胞中,共孵育6h后,PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000080
488 phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片。
如图113所示,实验结果:共聚焦显微镜观察下,能明显观察到红色PGY-sRNA-6-Cy3的进入,脂质41可有效递送双链核酸进入A549细胞。
5.Western Blotting实验检测脂质递送核酸的效率
如图114,脂质单体No.41介导sRNAi进入MRC5A549细胞发挥敲低蛋白 表达作用(逆向蒸发法)。在蛋白质水平上,脂质单体No.41介导蛋白敲低效果显著高于RNAimax介导的HJT-sRNA-m7抑制效果。
未处理:未处理的MRC5A549细胞
siNC:表示脂质单体No.41与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
siRNA:表示脂质单体No.41与LAMP2、XPN2、Ssu72、CPSF4或β肌动蛋白siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
自由摄取组:直接加入测试物
RNAimax:分别用100ul opti-MEM培养基稀释2ul RNAiMAX转染试剂和核酸溶液,二者混匀后放置15min,加入细胞中,混匀,核酸的终浓度为400nM。
So(41)(逆向蒸发法):将脂质41与核酸混合物加入细胞中,混匀,核酸的终浓度为400nM。
如图115,脂质单体No.41介导抗纤维化HJT-sRNA-m7双链进入MRC5细胞(逆向蒸发法)。在蛋白质水平上,脂质单体No.41介导的HJT-sRNA-m7抑制效果高于RNAimax介导的HJT-sRNA-m7抑制效果。
TGFβ1组:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:用脂质单体No.41递送NC mimics 24h后加入TGF-β1TGFb1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示脂质单体No.41与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
m7:表示脂质单体No.41与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
6.脂质41体内实验结果汇总
【实验方法】6-8周龄小鼠,22-24g,饲养于中国医学科学院基础医学研究所动物中心SPF级动物房,小鼠灌胃前禁食12h,将小鼠随机分为3组,分别为:(1)对照组,灌胃400ul DEPC处理的水;(2)自由摄取组,灌胃小RNA(PGY-sRNA-26与PGY-sRNA-32及PGY-sRNA-23,每条小RNA 1nmol/只,溶于400ulDEPC处理的水;(3)脂质41组:灌胃小RNA(PGY-sRNA-26与PGY-sRNA-32)和脂质41用加热法制备的混合物,每条小RNA 1nmol/只,脂 质4110ul/只,溶于400ul DEPC处理的水。灌胃6h后收取各组织器官样品。所有的小RNA为3p末端2-O-甲基化修饰的单链RNA。
【实验结果】
如图140所示,脂质41可以促进小RNA进入血液,保护其在血液中不被降解
如图141所示,脂质41可以促进小RNA进入胃部细胞,保护其在胃中不被降解
如图142所示,脂质41可以促进小RNA进入小肠细胞,保护其在小肠中不被降解
如图143所示,脂质41可以促进小RNA进入肝脏,保护其在肝脏中不被降解
7.包含脂质41的脂质组合在核酸递送中效果
(1)脂质组合1(No.8+No.41=6:1)与脂质组合2(No.38+No.41=6:1)在核酸递送中的作用
如图116所示,脂质组合1(No.8+No.41=6:1)与脂质组合2(No.38+No.41=6:1)介导抗纤维化HJT-3&a2&H3,HJT-sRNA-m7进入MRC5细胞(加热法),在蛋白质水平上介导的HJT-sRNA-m7抑制效果显著。
TGF:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:表示用脂质单体No.41递送NC mimics 24h后加入TGF-β1TGFb1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
HJT-m7:表示脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
(2)脂质组合3(No.39+No.41=6:1)与脂质组合4(No.40+No.41=6:1)在核酸递送中的作用
如图117所示,脂质组合3(No.39+No.41=6:1)与脂质组合4(No.40+No.41=6:1)介导抗纤维化HJT-3&a2&H3,HJT-sRNA-m7进入MRC5细胞(加热法),在蛋白质水平上介导的HJT-sRNA-m7抑制效果显著。
TGF:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:表示表示用脂质混合物递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
HJT-m7:表示脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
(3)脂质组合5(38+12+41+29=1:2:1:1)在核酸递送中的作用
如图118所示,脂质组合5(38+12+41+29=1:2:1:1)介导抗纤维化HJT-3&a2&H3,HJT-sRNA-m7进入MRC5细胞(加热法),在蛋白质水平上介导的HJT-sRNA-m7抑制效果显著。
TGF:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
NC组:表示表示用脂质混合物递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
HJT-3&a2&H3组:表示脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
HJT-m7:表示脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
(4)脂质组合6(40(PE)+12(PC)+41(So)=2:4:3)在核酸递送中的作用
如图119所示,脂质组合6(40(PE)+12(PC)+41(So)=2:4:3)介导抗纤维化HJT-3&a2&H3,HJT-sRNA-m7进入MRC5细胞(加热法及逆向蒸发法),在蛋白质水平上介导的HJT-3&a2&H3,HJT-sRNA-m7抑制效果显著。
TGF:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
3’-NC组:表示表示用脂质混合物递送NC mimics 24h后加入TGF-β1TGFb1蛋白(终浓度3ng/mL)刺激,72h后收样;
3’-3&a2&H3组:表示脂质混合物与HJT-sRNA-3、HJT-sRNA-a2、HJT-sRNA-h3混合物加入细胞,混匀,核酸终浓度为:400nM;
3’-m7:表示脂质混合物与HJT-sRNA-m7混合物加入细胞,混匀,核酸终浓度为:400nM;
右图:通过逆向蒸发法制备脂质-RNA混合物,脂质组合6(40(PE)+12(PC)+41(So)=2:4:3)可有效递送XRN2、Ssu72、CPSF4siRNA进入 A549细胞,在蛋白水平上显著降低表达水平。
siNC:表示脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
siRNA:表示脂质混合物与XRN2、Ssu72、CPSF4siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
(5)脂质组合7(12(PC)+41(So)=1:6)和脂质组合8(12(PC)+41(So)=1:1)在核酸递送中的作用
如图120所示,采用逆向蒸发法,脂质组合7(12(PC)+41(So)=1:6)和脂质组合8(12(PC)+41(So)=1:1)可有效递送Ssu72、CPSF4siRNA进入A549细胞(逆向蒸发法),在蛋白水平上显著降低表达水平。
siNC:表示脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
siRNA:表示脂质混合物与XRN2、Ssu72、CPSF4siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
(6)脂质组合9(12(PC)+41(So)=6:1)和脂质组合10(40(PE)+12(PC)+41(So)=2:2:2)在核酸递送中的作用
如图121所示,采用逆向蒸发法,脂质组合9(12(PC)+41(So)=6:1)和脂质组合10(40(PE)+12(PC)+41(So)=2:2:2)可有效递送XRN2、Ssu72、CPSF4siRNA进入A549细胞,在蛋白水平上显著降低表达水平。
siNC:表示脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
siRNA:表示脂质混合物与XRN2、Ssu72、CPSF4siRNA混合物加入细胞,混匀,核酸终浓度为:400nM;
(7)脂质组合11(4(Cer)+12(PC)+41(So)=1:1:1)在核酸递送中的作用
如图122所示,采用逆向蒸发法,脂质组合11(4(Cer)+12(PC)+41(So)=1:1:1)可有效递送Ssu72siRNA进入A549细胞,在蛋白水平上显著降低表达水平。
siNC:表示脂质混合物与siNC混合物加入细胞,混匀,核酸终浓度为:400nM;
siSsu72:表示脂质混合物与Ssu72siRNA混合物加入细胞,混匀,核酸终浓度为:400nM。
实施例6:脂质38及其组合物的效果验证
脂质38.PE(16:0/16:1)
Figure PCTCN2019077004-appb-000081
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
(1)脂质38通过水煮法递送双链RNA进入A549细胞及MRC5细胞
如图123所示,脂质38通过加热法递送双链RNA进入A549细胞及MRC5细胞。对于MRC5细胞,在加热法的情况下,脂质38对双链RNA的递送效果是RNAimax的效果的约2倍。
(1)未处理组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育12h;核酸终浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
4)脂质与核酸处理组:将2.5μL脂质单体No.38与HJT-sRNA-m7的双链核酸溶液经水煮法或逆向蒸发法制备混合物,加入A549细胞中,RNA的终浓度为100nM。12h后收样检测进入量。(2)脂质38通过水煮法递送HJT-sRNA-m7单链RNA进入A549细胞及MRC5细胞
如图124所示脂质38通过加热法递送HJT-sRNA-m7单链RNA进入A549细胞及MRC5细胞,递送效率远远高于RNAimax的效果。
(1)未处理组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7单链核酸溶液与细胞共同孵育12h,核酸终浓度100nM;
(3)RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
(4)脂质与核酸处理组:将2.5μL脂质单体No.64与HJT-sRNA-m7的双链核酸溶液经水煮法或逆向蒸发法制备混合物,加入A549细胞中,RNA的终浓度为100nM。12h后收样检测进入量。
2.数字PCR(ddPCR)技术检测脂质递送核酸效率
2.1实验材料:A549细胞购自中国医学科学院基础医学研究所细胞中心,TRIzol裂解液购自Sigma公司,High capacity cRNA Reverse Transcription Kit逆转录试剂盒购自美国ABI公司,数字PCR相关试剂购自Bio-rad公司。
2.2实验方法:按照前述方法用TRIzol裂解液收集并提取细胞总RNA,使用High capacity cRNA Reverse Transcription Kit逆转录为cDNA,将不同组cDNA进行数字PCR反应。具体操作步骤参考QX200 Droplet Reader and QuantaSoft Software说明书,利用QuantaSoft软件对结果进行分析
(1)未处理组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;
(3)RNAimax组:用RNAimax将HJT-sRNA-m7 dsRNA转染进入A549细胞,6h后收样检测;
(4)No.38组:脂质38通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞,6h后收样检测。
实验结果与分析:如图125所示,在水煮法或逆向蒸发法中,No.38脂质均可以有效递送HJT-sRNA-m7 dsRNA进入A549细胞。
3.流式细胞技术检测脂质递送核酸效率
实验材料:A549 cells(购自中国医学科学院细胞中心),FAM-sRNA(购自锐博生物科技有限公司),脂质38,
Figure PCTCN2019077004-appb-000082
C6仪器(购自美国BD公司)
实验方法:将PGY-sRNA-6-FAM溶解于100ul水中,并与4ul脂质混合,用水煮法制备脂质-sRNA混合物,加入A549细胞中,混匀,共孵育6h后收样检测。PBS清洗三遍后,用胰酶消化细胞为单个细胞,PBS重悬,利用
Figure PCTCN2019077004-appb-000083
C6仪器检测相对进入量。
如图126所示,实验结果:脂质38递送单链RNA效率是72.5%,接近阳性对照RNAiMAX递送效率。
4.共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位
实验材料:A549 cells(购自中国医学科学院细胞中心),PGY-sRNA-6-Cy3(购自锐博生物科技有限公司),脂质38,Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000084
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:将PGY-sRNA-6-溶解于100ul水中,并与4ul脂质混合,用水煮法制备。之后将混合物丢入A549细胞中,共孵育6h后,PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000085
488 phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片。
如图127所示,实验结果:共聚焦显微镜观察下,能明显观察到红色PGY-sRNA-6-Cy3的进入,水煮法制备No.38脂质-sRNA混合物均可以有效递送双链进入A549细胞。
实施例7:脂质64及其组合物的效果验证
脂质64.PE(15:0/24:1(15Z))
Figure PCTCN2019077004-appb-000086
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
(1)脂质64通过不同制备方法(水煮法或逆向蒸发法)递送HJT-sRNA-m7双链RNA进入A549细胞
如图128所示,脂质64通过不同制备方法(水煮法或逆向蒸发法)递送HJT-sRNA-m7双链RNA进入A549细胞。对于A549细胞,在水煮法的情况下,脂质64的递送效果是RNAimax的效果的约3倍。
(3)未处理组:不做任何处理的A549细胞;
(4)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育12h;核酸终浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试 剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
4)脂质与核酸处理组:将2.5μL脂质单体No.64与HJT-sRNA-m7的双链核酸溶液经水煮法或逆向蒸发法制备混合物,加入A549细胞中,RNA的终浓度为100nM。12h后收样检测进入量。
2.流式细胞技术检测脂质递送核酸效率
实验材料:A549 cells(购自中国医学科学院细胞中心),FAM-sRNA(购自锐博生物科技有限公司),脂质64,
Figure PCTCN2019077004-appb-000087
C6仪器(购自美国BD公司)
实验方法:将FAM-sRNA溶解于100ul水中,并与4ul脂质混合,用水煮法制备。脂质-sRNA混合物,加入A549细胞中,混匀,共孵育6h后收样检测。PBS清洗三遍后,用胰酶消化细胞为单个细胞,PBS重悬,利用
Figure PCTCN2019077004-appb-000088
C6仪器检测相对进入量。
如图129所示,实验结果:脂质64递送PGY-sRNA-6单链RNA效率可达到阳性对照RNAiMAX的约1/2。
3.共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位
实验材料:A549 cells(购自中国医学科学院细胞中心),PGY-sRNA-6-Cy3(购自锐博生物科技有限公司),脂质64,Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000089
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:将PGY-sRNA-6-溶解于100ul水中,并与4ul脂质混合,用水煮法制备。之后将混合物丢入A549细胞中,共孵育6h后,PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000090
488 phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片。
如图130所示,实验结果:共聚焦显微镜观察下,能明显观察到红色PGY-sRNA-6-Cy3的进入。脂质64递送单链RNA进入A549细胞。
实施例8:脂质40及其组合物的效果验证
脂质40.PE(16:0-22:1)
Figure PCTCN2019077004-appb-000091
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
脂质40通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞
如图131所示,脂质40通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞。对于A549细胞,在逆向蒸发法的情况下,脂质40的递送效果是RNAimax的效果的约1/2。
Figure PCTCN2019077004-appb-000092
组:不做任何处理的A549细胞;
自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育12h;核酸终
浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
4)脂质与核酸处理组:将2.5μL脂质单体No.40与HJT-sRNA-m7的双链核酸溶液经水煮法或逆向蒸发法制备混合物,加入A549细胞中,RNA的终浓度为100nM。12h后收样检测进入量。
2.数字PCR(ddPCR)技术检测脂质递送核酸效率
2.1实验材料:A549细胞购自中国医学科学院基础医学研究所细胞中心,TRIzol裂解液购自Sigma公司,TaqMan TM MicroRNA Reverse Transcription KitHigh逆转录试剂盒购自赛默飞世尔科技(中国)有限公司,数字PCR相关试剂购自Bio-rad公司。
2.3实验方法:按照前述方法用TRIzol裂解液收集并提取细胞总RNA,使用TaqMan TM MicroRNA Reverse Transcription KitHigh逆转录为cDNA,将不同组cDNA进行数字PCR反应。具体操作步骤参考QX200 Droplet Reader and QuantaSoft Software说明书,利用QuantaSoft软件对结果进行分析。
(1)
Figure PCTCN2019077004-appb-000093
组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;
(3)RNAimax组:用RNAimax将HJT-sRNA-m7 dsRNA转染进入A549细胞,6h后收样检测;
(4)No.40组:脂质40通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞,6h后收样检测。
(5)实验结果与分析:如图132所示,在水煮法或逆向蒸发法中,No.40脂质均可以有效递送HJT-sRNA-m7 dsRNA进入A549细胞。
3.共聚焦荧光显微镜观察脂质递送核酸在细胞中的定位
实验材料:A549 cells(购自中国医学科学院细胞中心),PGY-sRNA-6-Cy3(购自锐博生物科技有限公司),脂质40,Zeiss LSM780(购自德国Zeiss公司),Alexa
Figure PCTCN2019077004-appb-000094
488 phalloidin(购自美国invitrogen),DAPI(购自美国invitrogen),多聚甲醛(购自美国sigma公司)
实验方法:将PGY-sRNA-6-Cy3溶解于100ul水中,并与4ul脂质混合,用水煮法制备。之后将混合物丢入A549细胞中,共孵育6h后,PBS清洗三遍后,4%的多聚甲醛固定,PBS清洗三遍后,Alexa
Figure PCTCN2019077004-appb-000095
488 phalloidin染色30min,PBS清洗三遍后,Dapi染色5min,PBS清洗,后封片观察。
如图133所示,实验结果:共聚焦显微镜观察下,能明显观察到红色PGY-sRNA-6-Cy3的进入,No.40脂质均可以有效递送HJT-sRNA-m7 dsRNA进入A549细胞。
4.Western Blotting实验检测脂质递送核酸的效率
如图134所示,磷脂酰乙醇胺类脂质单体脂质40介导抗纤维化双链RNA HJT-sRNA-m7进入MRC5细胞,下调纤连蛋白蛋白表达水平
TGF:加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
3’-NC组:表示表示用脂质混合物递送NC mimics 24h后加入TGF-β1蛋白(终浓度3ng/mL)刺激,72h后收样;
3’-m7:表示脂质混合物与HJT-sRNA-m7双链核酸溶液混合物加入细胞,混匀,核酸终浓度为:400nM。
实施例8:脂质37的效果验证
lipid 37.LPC(18:3)
Figure PCTCN2019077004-appb-000096
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
脂质37通过水煮法递送单链RNA进入A549细胞及MRC5细胞
如图135所示,通过水煮法递送单链RNA进入A549细胞及MRC5细胞。
未处理组:不做任何处理的A549细胞;
自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育3h;核酸终浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
脂质与核酸处理组:将2.5μL脂质单体No.39与HJT-sRNA-m7的单链核酸溶液经水煮法制备混合物,加入细胞中,RNA的终浓度为100nM。3h后收样检测进入量。
实施例9:脂质39的效果验证
脂质39.PE(16:1-18:1)
Figure PCTCN2019077004-appb-000097
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
如图136所示,脂质39通过不同制备方法(水煮或逆向蒸发法)递送双链RNA进入A549细胞
(5)
Figure PCTCN2019077004-appb-000098
组:不做任何处理的A549细胞;
(6)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;核酸终浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
4)脂质与核酸处理组:将2.5μL脂质单体No.39与HJT-sRNA-m7的双链核酸溶液经水煮法和逆向蒸发法两种方法制备混合物,加入细胞中,RNA的终浓度为100nM。12h后收样检测进入量。
2.数字PCR(ddPCR)技术检测脂质递送核酸效率
2.1实验材料:A549细胞购自中国医学科学院基础医学研究所细胞中心,TRIzol裂解液购自Sigma公司,High capacity cRNA Reverse Transcription Kit逆转录试剂盒购自美国ABI公司,数字PCR相关试剂购自Bio-rad公司。
2.3实验方法:按照前述方法用TRIzol裂解液收集并提取细胞总RNA,使用High capacity cRNA Reverse Transcription Kit逆转录为cDNA,将不同组cDNA进行数字PCR反应。具体操作步骤参考QX200 Droplet Reader and QuantaSoft Software说明书,利用QuantaSoft软件对结果进行分析。
(1)未处理组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;12h;
(3)RNAimax组:用RNAimax将HJT-sRNA-m7 dsRNA转染进入A549细胞,6h12h后收样检测;
(4)No.39组:脂质39通过逆向蒸发法递送双链RNA进入A549细胞,6h12h后收样检测。
如图137所示,通过逆向蒸发法,No.39脂质可以有效递送HJT-sRNA-m7双链核酸进入A549细胞。
实施例10:脂质60和62的效果验证
脂质60.dMePE(16:1/16:1)
Figure PCTCN2019077004-appb-000099
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
如图138所示,脂质60通过不同制备方法(水煮法或逆向蒸发法)递送双链RNA进入A549细胞
未处理组:不做任何处理的A549细胞;
自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;核酸终浓度100nM;
RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
4)脂质与核酸处理组:将2.5μL脂质单体No.60与HJT-sRNA-m7的双链核酸溶液经水煮法和逆向蒸发法两种方法制备混合物,加入细胞中,RNA的终浓度为100nM。12h后收样检测。
脂质62.dMePE(16:1/18:1)
1.荧光实时定量PCR(real-time PCR)检测脂质递送核酸效率
如图139所示,脂质62通过不同制备方法(水煮或逆向蒸发法)递送双链RNA进入A549细胞
(1)未处理组:不做任何处理的A549细胞;
(2)自由摄取组:直接将HJT-sRNA-m7 dsRNA与细胞共同孵育6h;核酸终浓度100nM;
(3)RNAimax组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7双链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7双链的终浓度为100nM;
(4)脂质与核酸处理组:将2.5μL脂质单体No.62与HJT-sRNA-m7的双链核酸溶液经水煮法和逆向蒸发法两种方法制备混合物,加入细胞中,RNA的终浓度为100nM。12h后收样检测。
脂质核酸复合物的体内递送实验
1.实验动物:C57小鼠,雄性,约6周龄。
2.脂质混合物制备:按照每只小鼠10ul脂质-1nmol sRNA剂量进行制备, sRNA各1nmol用500ul DEPC水于玻璃管中溶解,加入10ul相应脂质,吹打使充分混匀,90℃水浴加热15min后自然冷却,灌胃。
3.sRNA:PGY-sRNA-26,PGY-sRNA-32
4.实验分组:
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取组:直接灌胃sRNA溶液(1nmol/只,500ul),该组作为阴性对照组;
4)脂质核酸混合物处理组:将步骤2中制备的脂质-sRNA混合物进行灌胃。
5.相对进入量检测:
1)组织取样提取RNA:小鼠灌胃6h后,眼球取血500ul,加入1.5ml Trizol Reagent LS充分混匀裂解,组织样品取部分加入3ml Trizol Reagent(购自Invitrogen)匀浆使充分裂解,组织取样:肝/胃/小肠。
2)将sRNA逆转录为cDNA:通过逆转录试剂盒(High-Capacity cDNA Reverse Transcription Kits,Applied Biosystems,cat.no.4368813),将总RNA逆转录为cDNA,逆转录体系如下:模板RNA(150ng/μL)10μL,10X RT缓冲液2.0μL,25X dNTP Mix(100mM)0.8μL,随机引物2.0μL,MultiScribe TM逆转录酶1.0μL,RNA酶抑制剂1.0μL,无核酸酶H 2O 3.2μL,瞬时离心后,放入PCR仪反应,反应条件如下:(1)25℃,10min;(2)37℃,120min;(3)85℃,5min;(4)4℃,终止反应。反应结束后加入20μL无RNA酶ddH 2O,补足终体积至40μL。
3)定量PCR扩增反应:qPCR反应体系总体积10μl,包括:5μL 2×SYBR Green Master Mix,0.5μl正向引物(10μM),0.5μl反向引物(10μM),1μl逆转录得到的cDNA,3μl无RNA酶dH2O。使用LightCycler 480荧光定量PCR仪,PCR反应条件是:95℃,持续5min预变性,开始进入PCR扩增循环:(1)95℃,10s;(2)55℃,10s;(3)72℃,20s;总共进行40个循环;最后40℃持续10s降温。扩增反应正向引物和反向引物均由北京擎科新业生物技术有限公司设计和合成(U6F引物:GCGCGTCGTGAAGCGTTC,U6R引物:: GTGCAGGGTCCGAGGT)。
3)利用2-ΔCt法计算相对表达量。
实施例11-1:脂质单体No.41递送单链核酸进入体内
1.实验动物:C57小鼠,雄性,约6周龄。
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取(free uptake)组:直接加入sRNA单链混合溶液(各1nmol);
4)POPC与核酸处理组:将10μL POPC与sRNA单链混合溶液(1nmol)经加热法处理后的混合物以灌胃方式给小鼠
5)脂质单体与核酸处理组:将10μL脂质单体(No41)与sRNA单链混合溶液(PGY-sRNA-23,PGY-sRNA-26和PGY-sRNA-32)(各1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
2.灌胃12h后,眼球取血,同时取各组织(肝脏/胃/小肠),TRIzol充分裂解后提取RNA检测进入量。
结论:
如图140所示,PE单体(No.41)可以有效口服递送sRNA单链核酸进入小鼠血液保护sRNA不受降解,且递送效果优于POPC与Lipofectamine RNAimax。
如图141所示,PE单体(No.41)可以有效口服递送sRNA单链核酸进入小鼠胃部,保护sRNA不受降解。
如图142所示,PE单体(No.41)可以有效口服递送sRNA单链核酸进入小鼠小肠,保护sRNA不受降解。
如图143所示,PE单体(No.41)可以有效口服递送sRNA单链核酸进入小鼠肝脏,保护sRNA不受降解。
实施例11-2:脂质单体No.38递送单链核酸进入体内
1.实验动物:C57小鼠,雄性,约6周龄。
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取(free uptake)组:直接加入sRNA单链混合溶液(各1nmol);
4)POPC与核酸处理组:将10μL POPC与sRNA单链PGY-sRNA-32混合溶液(1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
5)脂质单体与核酸处理组:将10μL脂质单体(No38)与sRNA单链混合溶液(PGY-sRNA-32)(1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
2.灌胃12h后,眼球取血,TRIzol法裂解提取RNA检测进入量。
结论:如图144所示,PE单体(No.38)可以有效口服递送sRNA单链核酸进入小鼠血液,且递送效果优于POPC与Lipofectamine RNAimax。
实施例11-3:脂质单体No.40递送单链核酸进入体内
1.实验动物:C57小鼠,雄性,约6周龄。
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取(free uptake)组:直接加入sRNA单链混合溶液(各1nmol);
4)POPC与核酸处理组:将10μL POPC与sRNA单链混合溶液(各1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
5)脂质单体与核酸处理组:将10μL脂质单体(No40)与sRNA单链混合溶液(PGY-sRNA-26和PGY-sRNA-32)(各1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
2.灌胃12h后,眼球取血,TRIzol法裂解提取RNA检测进入量。
结论:如图145所示,PE单体(No.40)可以有效口服递送sRNA单链核酸进入小鼠血液,且递送效果优于POPC与Lipofectamine RNAimax。
实施例11-4:脂质单体No.64递送单链核酸进入体内
1.实验动物:C57小鼠,雄性,约6周龄。
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取(free uptake)组:直接加入sRNA单链混合溶液(各1nmol);
4)POPC与核酸处理组:将10μLPOPC与sRNA单链混合溶液(各1nmol)经 加热法处理后的混合物以灌胃方式给小鼠。
5)脂质单体与核酸处理组:将10μL脂质单体(No64)与sRNA单链混合溶液(PGY-sRNA-32)(1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
2.灌胃12h后,眼球取血,TRIzol法裂解提取RNA检测进入量。
结论:如图146所示,PE单体(No.64)可以有效口服递送sRNA单链核酸进入小鼠血液,且递送效果优于POPC与Lipofectamine RNAimax。
实施例11-5:脂质单体No.71递送单链核酸进入体内
1.实验动物:C57小鼠,雄性,约6周龄。
1)未处理组:灌胃500ul生理盐水;
2)RNAimax处理组:每只小鼠按照10ul RNAimax-1nmol sRNA混匀,灌胃。该组作为阳性对照组。RNAimax购自Invitrogen。
3)自由摄取(free uptake)组:直接加入sRNA单链混合溶液(各1nmol);
4)POPC与核酸处理组:将10μLPOPC与sRNA单链混合溶液(各1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
5)脂质单体与核酸处理组:将10μL脂质单体(No71)与sRNA单链混合溶液(PGY-sRNA-32)(1nmol)经加热法处理后的混合物以灌胃方式给小鼠。
2.灌胃12h后,眼球取血,TRIzol法裂解提取RNA检测进入量。
结论:如图147所示,PE单体(No.71)可以有效口服递送sRNA单链核酸进入小鼠血液,且递送效果优于POPC与Lipofectamine RNAimax。
实施例12:脂质在不同温度梯度有效递送单链核酸进入MRC5细胞
(一)实验分组:
1)未处理组:未经处理的细胞;
2)RNAiMAX组:分别用100μL opti-MEM培养基稀释2μL RNAiMAX转染试剂和HJT-sRNA-m7单链溶液,二者混匀后放置15min后,加入细胞中,混匀,HJT-sRNA-m7单链的终浓度为100nM;
3)脂质单体与核酸处理组:将2.5μL脂质单体(No.38)与HJT-sRNA-m7的双链核酸溶液经不同温度水煮法处理后的混合物加入细胞中,混匀,RNA的终浓度为100nM。
4℃:100μL HJT-sRNA-m7单链溶液加入2.5μL脂质单体,4℃放置15min;加入细胞6h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的表达量。
37℃:100μL HJT-sRNA-m7单链溶液加入2.5μL脂质单体,37℃放置15min;加入细胞6h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的表达量。
60℃:100μL HJT-sRNA-m7单链溶液加入2.5μL脂质单体,50℃加热15min;加入细胞6h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的表达量。
80℃:100μL HJT-sRNA-m7单链溶液加入2.5μL脂质单体,80℃加热15min;加入细胞6h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的表达量。
100℃:100μL HJT-sRNA-m7单链溶液加入2.5μL脂质单体,100℃加热15min;加入细胞6h后,经RT-qPCR法检测细胞中HJT-sRNA-m7的表达量。
结论:如图148所示,结果表明,脂质在水煮法不同温度条件下可以有效递送核酸进入细胞(统计学意义上有显著差异,p<0.01),有希望提高临床上核酸药物递送的效率。

Claims (25)

  1. 制备本草体的方法,其包括以下步骤:
    (1)一种或多种脂质成分和下列任一项或多项混合:一种或多种核酸、一种或多种化合物和/或一种或多种大分子;
    优选地,所述一种或多种脂质成分是合成或纯化的,例如包含选自表1或表10所示的脂质;
    (2)对所得的混合物进行加热处理,
    其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约70℃至90℃,特别优选为约80℃至约90℃,优选90℃;
    优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约30分钟-约12小时,约1小时-约8小时,或者约0.5小时-约4小时,优选5-30分钟;
    优选地,所述混合通过将所述脂质成分以有机溶剂中的溶液添加到核酸、大分子和/或化合物的水性溶液中进行;
    优选地,所述有机溶剂包括醇类、醚类、苯类有机溶剂,优选氯仿、乙醚、甲醇、或乙醇;
    优选地,所述水性溶液选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水;
    优选地,其中所述本草体是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质;
    优选地,其中所述本草体用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
  2. 根据权利要求1所述的方法,其中所述脂质是Sphinganine(d22:0),和/或所述小RNA是PGY-sRNA-6或HJT-sRNA-m7,
    其中优选地,所述Sphinganine(d22:0)以10mg/ml氯仿溶液使用,
    脂质:sRNA=0.1-20ug:0.1nmol;
    其中优选地,所述本草体具有小于60mV、小于50mV、小于0、-80至-20 或-60至-20的Zeta电势,并且具有50-1000、90-300或100-200nm的平均粒径。
  3. 根据权利要求1或2所述的方法制备的本草体,优选地,其用于下列一项或多项:
    (1)降低纤连蛋白和/或alpha-SMA的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
    (2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
    (3)用于预防或治疗纤维化,优选肺纤维化,优选在TGF-beta1诱导的MRC-5细胞的纤维化模型中和博来霉素诱导的小鼠的纤维化模型中;
    (4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
    (5)降低IL-1alpha、IL-1b、IL-2、IL-3、IL-4、IL-5、IL-6、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
    (6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和
    (7)使小RNA有效进入细胞;和/或
    (8)降低RELA基因表达;
    优选地,所述本草体降低纤维化相关蛋白纤连蛋白和alpha-SMA的表达,和/或降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha的表达水平。
  4. 根据权利要求3所述的本草体用于下列一项或多项的用途,或在制备用于下列一项或多项的药物中的用途,或根据权利要求3所述的本草体用于下列一项或多项的方法:
    (1)降低纤连蛋白和/或alpha-SMA的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
    (2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
    (3)用于预防或治疗纤维化,优选肺纤维化,优选在TGF-beta1诱导的MRC-5细胞的纤维化模型中和博来霉素诱导的小鼠的纤维化模型中;
    (4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
    (5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
    (6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和
    (7)使小RNA有效进入细胞;和/或
    (8)降低RELA基因表达;
    优选地,所述本草体降低纤维化相关蛋白纤连蛋白和alpha-SMA的表达,和/或降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha的表达水平;
    优选地,所述药物用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
  5. 有助于核酸递送的方法,其包括将核酸和表1或表10中的一种或多种脂质,优选Sphinganine(d22:0)进行加热或升温处理,加热或升温的温度范围优选为约4℃至约100℃,约25℃至约100℃,更优选约50℃至约100℃,更优选约95℃至约100℃,特别优选约80℃至约100℃,例如4℃,37℃,60℃,80℃或100℃,其中优选地,所述核酸是小核酸,优选是单链或双链的,优选地所述小核酸的长度是14-32bp、16-28bp或18-24bp,优选表8、9和13中的任一种或多种小RNA,优选PGY-sRNA-6或HJT-sRNA-m7;优选地,所述核 酸递送通过口服进行;优选地,所述核酸用于治疗疾病,例如炎症相关疾病以及癌症,例如胃癌或肺癌,优选用于抗炎及抗纤维化,优选用于降低炎症相关因子IL-1beta、IL-6和/或TNF-alpha,细胞因子风暴IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gama、RANTES或MCP-1beta,以及降低纤维化相关蛋白纤连蛋白和α-SMA的表达。
  6. 权利要求5所述的方法,所述方法还包括进一步混合一种或多种化合物、一种或多种核酸、和/或一种或多种大分子;其中核酸包括DNA和RNA,优选RNA,更加优选小RNA;
    优选混合表2-表5所示的一种或多种化合物、一种或多种表8和/或表9和/或表13所示的小RNA、一种或多种DNA和/或表6或7所示的一种或多种大分子。
  7. 权利要求1-6中任一项的方法,其中所述多种脂质是包含选自下组的脂质组合的脂质:第8号:第41号=6:1的脂质组合;第38号:第41号=6:1的脂质组合;第39号:第41号=6:1的脂质组合;第40号:第41号=6:1的脂质组合;第38:12:41:29号=1:2:1:1的脂质组合;第40:12:41号=2:4:3的脂质组合;第12:41号=1:6的脂质组合;第12:41号=1:1的脂质组合;第12:41号=6:1的脂质组合;第40:12:41号=2:2:2的脂质组合;第4:12:41号=1:1:1的脂质组合;第1:2:3:19:35号=1:1:1:1:1的DG组合;第6:9:10:13:15:16:18:20:21:22:23:24:25:26:27:28:32:33号=1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1的TG组合;第36:37号=1:1的LPC组合;第11:12号=1:1的PC组合;第8:38号=1:1的PE组合;第4:14号=1:1的Cer组合;第17:30:31号=1:1:1的So组合;无第5、7号的第1-36号的等体积组合;无第5、7、34号的第1-36号的等体积组合;无第5、7、1、2、3、19、35号的第1-36号的等体积组合;无第5、7、6、9、10、13、15、16、18、20、21、22、23、24、25、26、27、28、32、33号的第1-36号的等体积组合;无第5、7、36、37号的第1-36号的等体积组合;无第5、7、11、12号的第1-36号的等体积组合;无第5、7、8号的第1-36号的等体积组合;无第5、7、4、14号的第1-36号的等体积组合;无第5、7、29号的第1-36号的等体积组合;脂质第1号:第34号=2:1;脂质第1号:所述DG组合=2:1;脂质第1号:所述TG组合=2:1;脂质第1号:所述LPC组合=2:1;脂质第1号:第8号=2:1;脂质第1号:第12号=2:1;脂质 第1号:所述Cer组合=2:1;脂质第1号:So组合=2:1;脂质第1号:第29号=2:1;脂质第1号:第8号:第12号=1:1:1;脂质第8号:第34号=2:1;脂质第8号:DG组合=2:1;脂质第8号:TG组合=2:1;脂质第8号:LPC组合=2:1;脂质第8号:第37号=4:1;脂质第8号:第12号=2:1;脂质第8号:Cer组合=2:1;脂质第8号:So组合=2:1;脂质第8号:第31号=6:1;脂质第8号:第29号=2:1;第12号:第34号=2:1;第12号:DG组合=2:1;第12号:TG组合=2:1;第12号:LPC组合=2:1;第12号:脂质第8号=2:1;第12号:Cer组合=2:1;第12号:So组合=2:1;第12号:第29号=2:1;第12号:脂质第8号:第1&2号=2:1:1;第12号:脂质第8号:第15号=2:1:1;第12号:脂质第8号:第36&37号=2:1:1;第12号:脂质第8号:第11号=2:1:1;第12号:脂质第8号:第12号=2:1:1;第12号:脂质第8号:第4号=2:1:1;第12号:脂质第8号:第31号=2:1:1;第12号:脂质第8号:第29号=2:1:1;第12号:脂质第8号:第34号=3:2:1;第12号:脂质第8号:第34号=4:2:3;第12号:脂质第8号:脂质第2号=4:2:3;第12号:脂质第8号:脂质第2号=16:8:3;第12号:脂质第8号:第32号=4:2:3;第12号:脂质第8号:第37号=4:2:3;第12号:脂质第8号:第11号=4:2:3;第12号:脂质第8号:第38号=4:2:3;第12号:脂质第8号:第4号=4:2:3;第12号:脂质第8号:第31号=4:2:3;第12号:脂质第8号:第29号=4:2:3;第12号:脂质第8号:第29号:第31号=2:1:1:1;第12号:脂质第8号:第29号:第31号:第34号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:脂质第2号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第32号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第11号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第37号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第38号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第4号=4:2:2:2:5;第12号:脂质第8号:第29号:第31号:第4号:脂质第1号:第16号=2:1:1:3:2:2:3;脂质第1号:脂质第8号:第12号:脂质第1&2号=2:2:2:3;脂质第1号:脂质第8号:第12号:第15号=2:2:2:3;脂质第1号:脂质第8号:第12号:第36&37号=2:2:2:3;脂质第1号:脂质第8号:第12号:第12号=2:2:2:3;脂质第1号:脂质第8号:第12号:第4号=2:2:2:3;脂质第1号:脂质第8号:第12号:第31号=2:2:2:3;脂质第1号:脂质第8号:第12号:第29号=2:2:2:3;脂质第8号:第34号:脂质第1&2号=2:1:1;脂质第8号:第34号:第15号=2:1:1;脂质第8号:第34号:第36&37号=2:1:1;脂质第8号:第34号:第12号=2:1:1;脂质第8号:第34号:第4号=2:1:1;脂质第8号:第34号:第31号=2:1:1;脂质第8号:第34号:第29号=2:1:1; 脂质第8号:第31号:第34号=12:3:5;脂质第8号:第31号:脂质第2号=12:3:5;脂质第8号:第31号:第37号=12:3:5;脂质第8号:第31号:第11号=12:3:5;脂质第8号:第31号:第12号=12:3:5;脂质第8号:第31号:第4号=12:3:5;脂质第8号:第31号:第29号=12:3:5;脂质第8号:第31号:第32号=12:3:5;脂质第8号:第4号:第34号=12:3:5;脂质第8号:第4号:脂质第2号=12:3:5;脂质第8号:第4号:第37号=12:3:5;脂质第8号:第4号:第12号=12:3:5;脂质第8号:第4号:第31号=12:3:5;脂质第8号:第4号:第29号=12:3:5;脂质第8号:第4号:第32号=12:3:5;第38号:第34号=2:1;第38号:脂质第1号=2:1;第38号:脂质第2号=2:1;第38号:第1&2号=2:1;第38号:第15号=2:1;第38号:第32号=2:1;第38号:第37号=2:1;第38号:第37号=4:1;第38号:第11号=2:1;第38号:第12号=2:1;第38号:第11&12号=2:1;第38号:第12号=4:1;第38号:脂质第8号=2:1;第38号:第4号=2:1;第38号:So(30)=2:1;第38号:第31号=2:1;第38号:第29号=2:1;脂质第1号:第38号:第12号:第34号=2:2:2:3;脂质第1号:第38号:第12号:第15号=2:2:2:3;脂质第1号:第38号:第12号:第37号=2:2:2:3;脂质第1号:第38号:第12号:脂质第8号=2:2:2:3;脂质第1号:第38号:第12号:第4号=2:2:2:3;脂质第1号:第38号:第12号:第31号=2:2:2:3;脂质第1号:第38号:第12号:第29号=2:2:2:3;第38号:第34号:脂质第1号=2:1:3;第38号:第34号:第15号=2:1:3;第38号:第34号:第37号=2:1:3;第38号:第34号:第12号=2:1:3;第38号:第34号:脂质第8号=2:1:3;第38号:第34号:第4号=2:1:3;第38号:第34号:第31号=2:1:3;第38号:第34号:第29号=2:1:3;第38号:第12号:脂质第1号=2:1:3;第38号:第12号:脂质第2号=4:1:3;第38号:第12号:第15号=2:1:3;第38号:第12号:第37号=2:1:3;第38号:第12号:脂质第8号=2:1:3;第38号:第12号:第4号=2:1:3;第38号:第12号:第31号=2:1:3;第38号:第12号:第29号=2:1:3;第38号:第12号:脂质第1号:第15号:第34号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第37号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第4号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第31号=22:22:22:33:36;第38号:第12号:脂质第1号:第15号:第29号=22:22:22:33:36;第38号:第34号:第37号:脂质第1号=44:22:33:36;第38号:第34号:第37号:第15号=44:22:33:36;第38号:第34号:第37号:第12号=44:22:33:36;第38号:第34号:第37号:第4号=44:22:33:36;第38号:第34号:第37号:第31号=44:22:33:36;第38号:第12号:第4号:第34号=44:22:33:36;第38 号:第12号:第4号:脂质第1号=44:22:33:36;第38号:第12号:第4号:第15号=44:22:33:36;第38号:第12号:第4号:第37号=44:22:33:36;第38号:第12号:第4号:第37号=8:2:5:3;第38号:第12号:第4号:第31号=44:22:33:36;第38号:第12号:第4号:第29号=44:22:33:36;第38号:第12号:第4号:第29号:第34号=88:44:66:72:135;第38号:第12号:第4号:第29号:脂质第1号=88:44:66:72:135;第38号:第12号:第4号:第29号:第15号=88:44:66:72:135;第38号:第12号:第4号:第29号:第37号=88:44:66:72:135;第38号:第12号:第4号:第29号:第31号=88:44:66:72:135;第38号:第12号:第4号:脂质第2号=20:10:15:9;第38号:第12号:第4号:第6号=20:10:15:9;第38号:第12号:第4号:第17号=20:10:15:9;第38号:第12号:第4号:第29号=20:10:15:9;第38号:第12号:第4号:第34号=20:10:15:9;第38号:第12号:第4号:第37号=20:10:15:9;第38号:第12号:第31号:第34号=2:1:3:3;第38号:第12号:第31号:脂质第1号=2:1:3:3;第38号:第12号:第31号:第15号=2:1:3:3;第38号:第12号:第31号:第37号=2:1:3:3;第38号:第12号:第31号:第4号=2:1:3:3;第38号:第12号:第31号:第29号=2:1:3:3;第38号:第34号:第37号:第31号:脂质第1号=88:44:66:72:135;第38号:第34号:第37号:第31号:第15号=88:44:66:72:135;第38号:第34号:第37号:第31号:第12号=88:44:66:72:135;第38号:第34号:第37号:第31号:第4号=88:44:66:72:135;第38号:第34号:第37号:第31号:第29号=88:44:66:72:135;第38号:第37号:第34号=4:2:3;第38号:第37号:脂质第1号=4:2:3;第38号:第37号:脂质第2号=4:2:3;第38号:第37号:第1&2号=4:2:3;第38号:第37号:脂质第2号=32:8:5;第38号:第37号:第32号=32:8:5;第38号:第37号:第15号=4:2:3;第38号:第37号:第32号=4:2:3;第38号:第37号:脂质第8号=4:2:3;第38号:第37号:第11号=4:2:3;第38号:第37号:第12号=4:2:3;第38号:第37号:第11&12号=4:2:3;第38号:第37号:第12号=4:1:1;第38号:第37号:第4号=4:2:3;第38号:第37号:第30号=4:2:3;第38号:第37号:第31号=4:2:3;第38号:第37号:第29号=4:2:3;脂质第8号:第37号:第32号=4:1:2;脂质第8号:第37号:脂质第2号=4:1:2;第38号:第37号:第15号:第34号=64:16:10:45;第38号:第37号:第15号:脂质第1号=64:16:10:45;第38号:第37号:第15号:第12号=64:16:10:45;第38号:第37号:第15号:第4号=64:16:10:45;第38号:第37号:第15号:第31号=64:16:10:45;第38号:第37号:第15号:第29号=64:16:10:45;第38号:脂质第2号:第37号=4:2:3;第38号:脂质 第2号:第31号=4:2:3;第38号:脂质第2号:第29号=4:2:3;第38号:脂质第2号:第34号=4:2:3;第38号:脂质第2号:第32号=4:2:3;第38号:脂质第2号:第12号=4:2:3;第38号:脂质第2号:第12号=4:5:1;第38号:脂质第2号:第4号=4:2:3,脂质第1&2号、第11&12号或第36&37号分别表示任何比例的脂质第1和2号、第11和12号或第36和37号。
  8. 促进核酸与脂质形成本草体的方法,其包括加热核酸和脂质的混合物以促进嵌入脂质膜,促进脂质-核酸复合物的稳定性,如通过临界胶束浓度测定的;
    其中核酸插入脂质层或被脂质层包裹形成本草体,其是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质;
    其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约80℃至100℃,特别优选为约80℃至约90℃,优选90℃;
    优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约15分钟-约12小时,约1小时-约8小时,或者约2小时-约4小时,优选15分钟;
    优选地,所述脂质是表1或表10中的一种或多种脂质,优选Sphinganine(d22:0),或权利要求7中的脂质组合;优选地,所述核酸是小RNA,优选表8、9和13所示的一种或多种小RNA,优选PGY-sRNA-6或HJT-sRNA-m7。
  9. 脂质递送蛋白质至细胞的方法,所述方法包括加热蛋白质和脂质,其中优选地,加热温度为约0℃至约100℃,更优选约50℃至约100℃,并且更优选约80℃至100℃,特别优选为约80℃至约90℃,优选90℃;
    优选地,加热时间为约0分钟-约24小时,约5分钟-约20小时,约10分钟-约16小时,约15分钟-约12小时,约1小时-约8小时,或者约2小时-约4小时,优选6小时;
    或者所述脂质递送蛋白质至细胞的方法包括将蛋白质溶液与脂质的有机溶剂溶液混合,优选v/v=1/5,除去有机溶剂,优选挥发除去有机溶剂,并且用水性试剂水化;
    或用水煮法制备,向蛋白质溶液中加入脂质的有机溶剂溶液,混合后进行升温处理;
    优选地,所述脂质是表1或表10中的一种或多种脂质,优选sphinganine(d22:0)或PE(16:0/16:0)或PE(16:0/22:1)。
  10. 从植物制备汤剂体的方法,所述方法包括以下步骤:
    (1)用溶剂,优选地水性溶剂制备所述植物的提取液,
    其中优选地通过煎煮经所述溶剂浸泡的植物制备所述植物的提取液;
    其中优选地,所述煎煮是强火煎煮15-45min,优选20-30min,优选30min,然后文火煎煮5-30min,优选5-20min,优选10min;
    其中优选地,所述强火的温度是90℃以上,优选90℃-2000℃,90℃-1500℃,90℃-1000℃,90℃-500℃,90℃-300℃,90℃-250℃或90℃-200℃;
    优选地,所述文火的温度是50℃以上,优选50℃-2000℃,50℃-1500℃,50℃-1000℃,50℃-500℃,50℃-300℃,50℃-250℃,50℃-200℃,50℃-100℃,50℃-80℃,50℃-70℃或50℃-60℃;
    优选地,所述水性溶剂选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水;
    (2)对所述提取液在适当的温度,优选0-10℃,4℃条件下进行差速离心,优选以800-5000g,优选1000g-4000g,优选2000-3000g,优选2000g离心20-40min,优选30min离心,取上清液,然后对上清液以6000g-15000g,优选7000g-12000g,优选8000g-11000g,优选10000g离心20-40min,优选30min,取上清液,然后对上清液以100000-200000,优选200000g离心60-120min,优选90min,取沉淀物,所述沉淀物是所述汤剂体的固体形式;以及
    (3)任选地,用水性溶液,优选水性缓冲液,优选PBS缓冲液,更优选pH7-9,优选pH7.4的PBS缓冲液重悬所述沉淀物,以提供汤剂体,其是膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质,所述水性溶液选自水性缓冲液、盐水溶液、有机溶剂的水溶液或水。
  11. 通过根据权利要求10所述的方法,其中所述汤剂体具有30-1,000nm,优选80-300nm的平均粒径,且具有20-100mV的电位绝对值。
  12. 通过根据权利要求10或11所述的方法,其中所述植物选自蒲公英、红景天、穿心莲、卷心菜和木香等。
  13. 通过根据权利要求10-12中任一项所述的方法,其中对于蒲公英,所 述汤剂体具有30-300nm,优选150-200nm的平均粒径峰值,且具有-39±3mV的Zeta电势;对于红景天,所述汤剂体具有50-300nm,优选150-210nm的平均粒径,且具有-37±2mV的Zeta电势;
    蒲公英汤剂体具有20-100mV的电位绝对值范围;红景天汤剂体具有20-100mV的电位绝对值范围。
  14. 通过权利要求10-13中任一项所述的方法制备的汤剂体,其中所述汤剂体是固体形式或液体形式或胶体形式,所述汤剂体包含膜结构的纳米颗粒状物质,优选双层膜结构的纳米颗粒状物质。
  15. 根据权利要求14所述的汤剂体,其包含表1或表10所示的一种或多种脂质成分、一种或多种化合物、一种或多种DNA、一种或多种大分子、和/或一种或多种RNA;
    优选地,所述汤剂体包含表1或表10所示的一种或多种脂质成分、表2或4所示的一种或多种化合物、表3或5所示的一种或多种化合物、表6或7所示的一种或多种大分子、和/或表8、9或13所示的一种或多种小RNA。
  16. 根据权利要求14或15所述的汤剂体,其是用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用的组合物。
  17. 根据权利要求14-16中任一项所述的汤剂体,其用于下列一项或多项:
    (1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
    (2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
    (3)用于预防或治疗纤维化,优选肺纤维化;
    (4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
    (5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
    (6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选治疗肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;和/或
    (7)降低RELA基因表达。
  18. 根据权利要求14-16中任一项所述的汤剂体用于制备药物的用途,所述药物用于下列一项或多项:
    (1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
    (2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
    (3)用于预防或治疗纤维化,优选肺纤维化;
    (4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
    (5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
    (6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎,优选肺炎、心肌炎、急慢性胃炎、急慢性肠炎、急慢性肝炎、急慢性肾炎、皮炎、脑炎、淋巴炎、结膜炎、角膜炎、虹膜睫状体炎、中耳炎、过敏性鼻炎、哮喘、肺纤维化慢性阻塞性肺疾病、过敏性皮炎、镰状细胞病、多发性硬化、系统性红斑狼疮、狼疮性肾炎、肺癌、胃癌、结直肠癌、肝癌、胰腺癌、宫颈癌、乳腺癌、白血病、多发性骨髓瘤、糖尿病和痛风;
    (7)降低RELA基因表达;
    其中所述药物用于口服、静脉内施用,如推注或通过连续灌注一段时间,通过皮下、肌肉内、动脉内、腹膜内、肺内、脑脊髓内、关节内、滑膜内、鞘内、损伤内、或吸入路径如鼻内,通常通过静脉内或皮下施用。
  19. 用于以下目的的方法,所述方法包括使用根据权利要求14-16中任一 项所述的汤剂体:
    (1)降低纤连蛋白的表达,优选TGF-beta1诱导的MRC-5细胞纤维化模型中纤连蛋白的蛋白表达;
    (2)减少羟脯氨酸,优选肺纤维化模型中的羟脯氨酸,优选小鼠肺纤维化模型中的羟脯氨酸;
    (3)用于预防或治疗纤维化,优选肺纤维化;
    (4)降低IL-1beta、IL-6和/或TNF-alpha,优选poly(I:C)诱导的A549细胞模型中IL-1beta、IL-6和/或TNF-alpha;
    (5)降低IL-1alpha、IL-1beta、IL-2、IL-3、IL-4、IL-5、IL-9、IL-10、IL-12p40、IL-12p70、IL-13、IL-17A、GM-CSF、IFN-gamma或MCP-1beta的水平,优选血浆水平,优选在小鼠炎症模型中;
    (6)或者用于治疗IL-1beta、IL-6和/或TNF-alpha相关疾病,或者用于消炎;和/或
    (7)降低RELA基因表达。
  20. 权利要求1、2或5的方法,其中所述核酸是合成或提纯的,选自RNA和DNA,例如选自单链或双链或部分双链的RNA和DNA。
  21. 权利要求20的方法,其中所述RNA选自:信使RNA(mRNA)、rRNA(核糖体RNA)、tRNA(转运RNA)、不均一核RNA(hnRNA)、小核RNA(snRNA)、核仁小RNA(snoRNA)、小胞质RNA、小RNA、转移-信使RNA(tmRNA)、端粒酶RNA和反义RNA,优选小RNA,优选表8、9或13所示的一种或多种小RNA。
  22. 权利要求20的方法,其中所述DNA选自:互补DNA(cDNA)、叶绿体DNA、多拷贝单链DNA(msDNA)、线粒体DNA(mtDNA)和核糖体DNA(rDNA)。
  23. 权利要求1、2或6的方法,其中大分子是合成或纯化的,选自蛋白质或多糖类药物,和/或表6或7所示的一种或多种大分子。
  24. 权利要求23的方法,其中所述蛋白质选自抗体类药物、β-乳球蛋白、白蛋白、促红细胞生成素(EPO)、干扰素、集落刺激因子、组织纤溶酶原激活剂和各种标记蛋白质,例如绿色荧光蛋白、红色荧光蛋白、藻红蛋白等。
  25. 权利要求24的方法,其中所述抗体选自:IgG、IgA、IgM、IgD或IgE 类的抗体。
PCT/CN2019/077004 2018-03-29 2019-03-05 植物来源"汤剂体"的提取和"本草体"的人工制备及其相关产品 Ceased WO2019184663A1 (zh)

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