WO2017135631A1 - 세포의 동결보존용 배지 조성물 및 이의 용도 - Google Patents
세포의 동결보존용 배지 조성물 및 이의 용도 Download PDFInfo
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- WO2017135631A1 WO2017135631A1 PCT/KR2017/000859 KR2017000859W WO2017135631A1 WO 2017135631 A1 WO2017135631 A1 WO 2017135631A1 KR 2017000859 W KR2017000859 W KR 2017000859W WO 2017135631 A1 WO2017135631 A1 WO 2017135631A1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/10—Preservation of living parts
- A01N1/12—Chemical aspects of preservation
- A01N1/122—Preservation or perfusion media
- A01N1/125—Freeze protecting agents, e.g. cryoprotectants or osmolarity regulators
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/10—Preservation of living parts
- A01N1/12—Chemical aspects of preservation
- A01N1/122—Preservation or perfusion media
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/10—Preservation of living parts
- A01N1/16—Physical preservation processes
- A01N1/162—Temperature processes, e.g. following predefined temperature changes over time
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/14—Blood; Artificial blood
- A61K35/17—Lymphocytes; B-cells; T-cells; Natural killer cells; Interferon-activated or cytokine-activated lymphocytes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/28—Bone marrow; Haematopoietic stem cells; Mesenchymal stem cells of any origin, e.g. adipose-derived stem cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K40/00—Cellular immunotherapy
- A61K40/10—Cellular immunotherapy characterised by the cell type used
- A61K40/15—Natural-killer [NK] cells; Natural-killer T [NKT] cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K40/00—Cellular immunotherapy
- A61K40/40—Cellular immunotherapy characterised by antigens that are targeted or presented by cells of the immune system
- A61K40/41—Vertebrate antigens
- A61K40/42—Cancer antigens
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/02—Antineoplastic agents specific for leukemia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0634—Cells from the blood or the immune system
- C12N5/0646—Natural killers cells [NK], NKT cells
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0662—Stem cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2239/00—Indexing codes associated with cellular immunotherapy of group A61K40/00
- A61K2239/46—Indexing codes associated with cellular immunotherapy of group A61K40/00 characterised by the cancer treated
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2239/00—Indexing codes associated with cellular immunotherapy of group A61K40/00
- A61K2239/46—Indexing codes associated with cellular immunotherapy of group A61K40/00 characterised by the cancer treated
- A61K2239/48—Blood cells, e.g. leukemia or lymphoma
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N2500/00—Specific components of cell culture medium
- C12N2500/30—Organic components
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N2500/00—Specific components of cell culture medium
- C12N2500/30—Organic components
- C12N2500/34—Sugars
Definitions
- the present invention relates to a cryopreservation medium composition having excellent cell recovery rate, cell viability and cell activity after thawing, and a pharmaceutical composition comprising the medium composition and therapeutic cells.
- cryopreservation is mainly used as a preservation method that can maintain the characteristics of the cell line for a long time.
- Cryopreservation can overcome the difficulties of cell culture and maintenance, and can prevent contamination from bacteria or mycoplasma. In addition, it is possible to prevent the transformation of the cell line, as well as to ensure the reproducibility of the experiment and production.
- a method of protecting cell membranes by adding 10% dimethyl sulfoxide (DMSO) to a cell culture medium containing serum, and slowly cooling and preserving in liquid nitrogen at -196 ° C is used.
- DMSO dimethyl sulfoxide
- the trace components in the serum have an effect on the growth of the cells, but not only difficult to analyze these components, there is a problem that the components may vary depending on the production time or location.
- the present inventors have completed the present invention by establishing a cryopreservation medium composition that can be cryopreserved animal cells for a long time, and does not include serum and can be usefully used as a cell therapeutic composition.
- Another object of the present invention to provide a pharmaceutical composition comprising the cryopreservation medium composition.
- composition of the present invention provides a pharmaceutical composition for the prevention or treatment of cancer or infectious diseases containing the composition of the present invention and immune cells as an active ingredient.
- composition of the present invention provides a pharmaceutical composition for the prevention or treatment of degenerative diseases and immune-related diseases containing the composition of the present invention and stem cells as an active ingredient.
- the composition can be administered directly to the subject after thawing the cryopreserved therapeutic cells without additional procedures such as washing, separation and the like. Therefore, the composition can be used as an excellent cell cryopreservation medium composition or therapeutic composition.
- Figures 1a to 1d shows the recovery rate (Fig. 1a and 1c) and viability (Fig. 1b) after thawing frozen NK cells with the cryopreservation medium composition of the cells prepared in one embodiment of the present invention and incubated with IL-2 And FIG. 1D).
- Figures 2a to 2d is a cryopreservation medium composition of the cells prepared in one embodiment of the present invention immediately after thawing the cytotoxicity to K562 cells of NK cells (Fig. 2a and 2b) and after thawing IL-2 It shows the value measured after incubation with (FIGS. 2C and 2D).
- Figure 3a and Figure 3b shows the number of cells (FIG. 3a) and viability (FIG. 3a) measured after culturing for 3 days after thawing HuT78 cells frozen in the cryopreservation medium composition of the cells prepared in one embodiment of the present invention ).
- FIG. 4A and 4B show the number of cells (FIG. 4A) and viability (FIG. 4B) measured after culturing for 3 days after thawing K562 cells frozen with the cell cryopreservation medium composition prepared in one embodiment of the present invention.
- FIG. Indicates.
- the present invention relates to 15 to 55 v / v% albumin, 20 to 30 v / v% dextran, 2 to 8 v / v% dimethylsulfoxide and 15 to 55% v / v%
- a cryopreservation medium composition of cells comprising a cell culture medium.
- cryopreservation refers to keeping cells stable over long periods of time through freezing.
- Cells are usually mutated at about one in ten thousand in culture.
- cell passage may change into a cell group different from the original cell group, and in some cases, specific functions possessed by the cell may be lost. It may also be infected with mycoplasma or the like during subculture. Due to this problem, the cells are cryopreserved to freeze and preserve the cells before they are lost, and to be taken out and used when needed.
- Cryopreservation of cells is performed by treating cryoprotectants to cells to be frozen, and the compositions of the present invention comprise albumin, dextran, dimethylsulfoxide and cell culture medium to prevent cell damage by cryoprotectants.
- the cryopreservation of cells safety and stability were improved.
- freeze inhibitor is a substance used to store cells in cryogenic conditions of -80 ° C to -200 ° C.
- the material can minimize the damage of the cells due to the formation of ice crystals and imbalance of ions and osmotic pressure inevitably accompanying the freezing and thawing process.
- albumin refers to the whole or part of human albumin that is biologically active or human albumin.
- the albumin may be used as an animal-free alternative that is equivalent to or better than serum in cryopreservation and is added to the cryopreservation composition to stabilize cells.
- the albumin has an Accession Number of ANC98520.1 in GenBank of the US National Institutes of Health, and an amino acid sequence which shows 70% or more, specifically 80% or more, more specifically 95% or more, 98% or more similarities with the protein. It can include both.
- the amino acid sequence having the same or equivalent biological activity as the albumin it may also include protein variants having an amino acid sequence of which some sequences are deleted, modified, substituted or added.
- the content of albumin included in the composition of the present invention may be 15 to 55 v / v%, specifically 18 to 40 v / v%, more specifically 20 to 35 v / v% based on the volume of the total composition.
- the content of albumin may be 20 v / v%, 35 v / v% or 50 v / v% with respect to the total composition.
- the v / v% means the volume percentage of each component to the volume of the total composition.
- the term "dextran” refers to a polysaccharide that is a polymer of D-glucose.
- the dextran may be classified as Dextran 1, Dextran 40, Dextran 70, etc. according to the weight average molecular weight.
- the dextran may be dextran 40.
- the amount of dextran included in the composition of the present invention may be 20 to 30 v / v%, specifically 23 to 27 v / v%, based on the total volume of the composition. According to one embodiment of the invention, the content of dextran may be 25 v / v% with respect to the total composition.
- DMSO dimethyl sulfoxide
- the content of dimethyl sulfoxide included in the composition of the present invention may be 2 to 8 v / v%, specifically 4 to 6 v / v%, based on the total volume of the composition. According to an embodiment of the present invention, the content of dimethyl sulfoxide may be 5 v / v% with respect to the total composition.
- cell culture medium is a mixture for growth and proliferation of cells in vitro , including elements essential for the growth and proliferation of cells, such as sugars, amino acids, various nutrients, minerals, and the like. Means. Cell culture media can be optimized for specific cell cultures, such as basal culture media formulated to support cell growth, cell culture production media formulated to promote protein production from cells, and high concentrations of nutrients. There is a concentrated medium.
- Components which may be included in the cell culture medium include glycerin, L-alanine, L-arginine hydrochloride, L-cysteine hydrochloride-monohydrate, L-glutamine, L-histidine hydrochloride-monohydrate, L-lysine hydrochloride, L-methionine, L-proline, L-serine, L-threonine, L-valine, L-asparagine-monohydrate, L-aspartic acid, L-cystine 2HCl, L-glutamic acid, L-isoleucine, L-leucine, L -Phenylalanine, L-tryptophan, L-tyrosine disodium salt dihydrate, i-inositol, thiamine hydrochloride, niacinamide, pyridoxine hydrochloride, biotin, D-pantothenate calcium, folic acid, riboflavin, vitamin B12, sodium chlor
- the cell culture medium according to the present invention may be prepared artificially or used commercially.
- Examples of commercially available cell culture media include Dulbecco's Modified Eagle's Medium (DMEM), Minimal Essential Medium (MEM), Basic Medium Eagle (BME), RPMI1640, F-10, F-12, and ⁇ -MEM ( ⁇ -Minimal). Essential Medium), G-MEM (Glasgow's Minimal Essential Medium), cellgro SCGM, X-VIVO, AIM-V, and others.
- the content of the culture medium may be 15 to 55 v / v%, specifically 30 to 52 v / v%, relative to the volume of the total composition. According to one embodiment of the present invention, the content of the culture medium may be 20 v / v%, 35 v / v% or 50 v / v% with respect to 100 v / v% of the total composition.
- the cells that can be preserved with the cryopreservation composition of the present invention may be animal cells, but any cell that can be stably cryopreserved by the composition of the present invention may be used.
- the cells may be cells derived from humans, monkeys, pigs, horses, cattle, sheep, dogs, cats, mice, rabbits, and the like, and specifically, immune cells, tumor cells, cord blood cells, stem cells derived from the animals. , Epithelial cells, primary cells, and the like.
- cryopreservation composition of the present invention may further comprise a buffer, tonicity agent or apoptosis inhibitor.
- the buffer may be any one selected from the group consisting of citrate, phosphate, succinate, tartrate, fumarate, gluconate, oxalate, lactate, acetate, histidine and tris.
- the tonicity agent is from the group consisting of sodium chloride, potassium chloride, boric acid, sodium borate, mannitol, glycerin, propylene glycol, polyethylene, glycol, maltose, sucrose, erythritol, arabitol, xylitol, sorbitol trihalose and glucose It may be any one selected.
- the apoptosis inhibitor may be any one selected from the group consisting of ROCK (Rho-associated kinase) inhibitor, catalase, and zVAD-fmk.
- the present invention provides a cell cryopreservation method comprising the step of freezing the cells to which the cryopreservation composition according to the present invention is added.
- the freezing of cells to which the cryopreservative composition of the present invention is added may be performed through a conventional method, and examples thereof include vitrification freezing and slow freezing.
- Vitrification freezing is a method of freezing the cells by controlling the temperature at a constant rate per minute using equipment such as controlled rate freezing (CRF). When the temperature reaches -80 ° C, the frozen cells are stored in a nitrogen tank.
- slow freezing is a vial containing a cryopreservation composition containing the cells in a freezing container box containing isopropyl alcohol, the temperature is constantly dropped for 12 to 24 hours in a cryogenic freezer below -70 °C How to freeze. The frozen cells are then stored in a liquid nitrogen tank.
- the cell cryopreservation method may be vitrification freezing.
- the vitrification freezing is performed using CRF, 1) cooling the cells at room temperature to 4 ° C; 2) cooling to ⁇ 8 ° C., ⁇ 1 ° C. per minute; 3) cooling to -65 ° C, -25 ° C per minute; 4) heating to ⁇ 14 ° C., 15 ° C. per minute; 5) cooling to -45 ° C, -1 ° C per minute; And 6) cooling to ⁇ 90 ° C. at ⁇ 10 ° C. per minute.
- the cell cryopreservation method may be performed by including a proper concentration of cells in a vial.
- the concentration of the cells may be 1x10 4 to 1x10 8 cells / ml, specifically 1x10 5 to 1x10 7 cells / ml, but is not limited thereto.
- the concentration may vary depending on the type of cells.
- the present invention provides a pharmaceutical composition for preventing or treating cancer or infectious disease containing the composition of the present invention and immune cells as an active ingredient.
- the composition is the same as the cryopreservation medium composition of the cells described above.
- the cell culture medium which may be included when used as a pharmaceutical composition is preferably a medium containing no toxic substances such as serum, phenol red or ⁇ -mercaptoethanol. Therefore, the pharmaceutical composition of the present invention is not human toxic, and can be directly administered to a subject after thawing.
- the term "immune cell” is a cell involved in the immune response of the human body includes natural killer cells, T cells, B cells, dendritic cells and the like. Specifically, the immune cells may be natural killer cells.
- the cancer may be bladder cancer, breast cancer, stomach cancer, lung cancer, ovarian cancer, thyroid cancer, cervical cancer, central nerve cancer, glioblastoma, liver cancer, skin cancer, pancreatic cancer, stomach cancer, colon cancer, rectal cancer, esophageal cancer, kidney cancer, lung cancer, epithelial cancer, blood cancer, Prostate cancer, soft tissue sarcoma, multiple sclerosis, and the like.
- infectious disease refers to a pathological condition caused by infection of a virus or pathogen, and includes all diseases that can be transmitted or infected through respiratory, blood, skin contact, and the like.
- infectious diseases include, but are not limited to, hepatitis B and C, human papilloma virus (HPV) infection, cytomegalovirus infection, viral respiratory disease, influenza, and the like. .
- the present invention also provides a pharmaceutical composition for the prevention or treatment of degenerative diseases containing the composition of the present invention and stem cells as an active ingredient.
- the composition is the same as the cryopreservation medium composition of the cells described above.
- the cell culture medium which may be included when used as a pharmaceutical composition is preferably a medium containing no toxic substances such as serum, phenol red or ⁇ -mercaptoethanol. Therefore, the pharmaceutical composition of the present invention is not human toxic, and can be directly administered to a subject after thawing.
- stem cell refers to a cell having pluripotency capable of differentiating into various cells.
- the stem cells may include human embryonic stem cells, bone marrow stem cells, mesenchymal stem cells, human neural stem cells, oral mucosa cells and the like.
- the stem cells may be mesenchymal stem cells.
- degenerative disease refers to a pathological condition in which the tissue loses its original function due to irreversible quantitative loss of the tissue.
- the degenerative diseases include, but are not limited to, neurological diseases of the brain, ischemic diseases, skin damage, bone diseases, degenerative arthritis, and the like.
- the present invention also provides a pharmaceutical composition for the prevention or treatment of immune diseases containing the composition of the present invention and stem cells as an active ingredient.
- immune disease refers to any pathological condition in which tissue is damaged due to an excessive or undesired immune response. Accordingly, the term “immune disease” has the same meaning as “hyperimmune disease” and “composition for the prevention or treatment of immune disease” has the same meaning as “immune inhibitor”.
- Such immune diseases include, but are not limited to, graft-versus-host disease, graft rejection, chronic inflammatory disease, inflammatory pain, neuropathic pain, chronic obstructive pulmonary disease (COPD), and autoimmune disease. .
- autoimmune disease refers to a pathological condition caused by immune cells attacking themselves without distinguishing themselves from foreign substances.
- the autoimmune diseases include rheumatoid arthritis, systemic lupus erythematosis, Hashimoto's thyroiditis, Grave's disease, multiple sclerosis, and scleroderma.
- the pharmaceutical composition according to the present invention may further include a pharmaceutically acceptable additive in addition to the active ingredient.
- the pharmaceutical composition may be formulated in a unit dosage form suitable for administration in the body of a patient according to conventional methods in the pharmaceutical art.
- Formulations suitable for this purpose include solutions or suspensions for injection as parenteral preparations, or ointments as preparations for topical administration.
- diluents or excipients such as fillers, weights, binders, wetting agents, disintegrants, surfactants and the like commonly used may be used together.
- the dosage of the composition may be about 1 ⁇ g to 50 mg per kg of body weight based on the total composition, and the dosage of therapeutic cells such as immune cells and stem cells is 1 day, 1 to 10 days per adult. 8 , 10 to 10 5 , 10 2 to 10 3 can be.
- the administration may be administered once to several times a day. However, the dosage and frequency of administration may be determined in consideration of factors such as the extent of the disease, the route of administration as well as the weight, age and sex of the patient.
- cryopreservation media composition 5 ml of DMSO, 25 ml of dextran 40, 50 ml of albumin and 20 ml of RPMI1640 as cell culture medium were mixed (Example 1).
- dimethyl sulfoxide DMSO, BIONICHE PHARMA, USA
- Dextran 40 Korea Pharmaceutical Industry, Korea
- Albuminju Green Cross, Korea
- RPMI1640 Gibco, USA
- cryopreservation medium composition As a comparative example to the above example, 5 ml of DMSO and 95 ml of albumin was mixed to prepare a cryopreservation medium composition (Comparative Example 1). Comparative Examples 2 to 6 in the same manner as described above also in the content as shown in Table 1 dimethyl sulfoxide (DMSO, BIONICHE PHARMA, USA), dextran 40 (Korea Pharmaceutical Industry, Korea), albuminju (Green Cross, Korea ) Or cryopreservation media composition comprising RPMI1640 (Gibco, USA).
- Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 DMSO (v / v%) 5 5 5 5 5 5 5 5 5 5 5 Dextran 40 (v / v%) 25 25 25 - 25 25 25 25 25 25 25 Albumin Agriculture (v / v%) 50 35 20 95 70 10 5 One 0 RPMI1640 (v / v%) 20 35 50 - - 60 65 69 70
- cryopreservation medium composition After freezing NK cells with the cryopreservation medium composition prepared in Examples 1 to 3 and Comparative Examples 1 to 6, thawing them, the cryopreservation medium composition was evaluated.
- monocytes were isolated from human peripheral blood (Seoul National University Hospital, Korea). In the isolated monocytes, CD3-positive cells were removed using CliniMACS system and used as seed cells. On the other hand, monocytes gamma-irradiated at 2,000 cGy were used as supporting cells for NK cell culture. Seed and feeder cells were 0.5 ⁇ 10 6 cells / in CellGro® SCGM medium (CellGenix, Germany) containing 500 IU / ml IL-2, anti-CD3 antibody 10 ⁇ g / ml OKT3 and 1 v / v% plasma. Cultures were maintained at a concentration of ml to 1 ⁇ 10 6 cells / ml. The culture was carried out for 14 to 21 days at 37 °C, 5% CO 2 conditions.
- the cultured NK cells were collected and centrifuged for 10 minutes at 4 ° C and 1,500 rpm. The pellet was washed with RPMI1640 medium and the number of cells was counted. After dispensing into a 15 ml tube to 1x10 8 cells, it was centrifuged under the same conditions as above to obtain pellets. The obtained pellets were frozen with the cryopreservation compositions prepared in Examples 1-3 and Comparative Examples 1-6.
- the frozen cells were stored in a vapor LN2 tank for a period of time to perform cell freezing. Frozen cells were taken out and thawed rapidly in a 37 ° C. constant temperature bath. Cells were suspended by adding RPMI1640 medium containing 10% fetal bovine serum, corresponding to 10 times the cell volume, and centrifuged at 4 ° C. and 1,200 rpm for 10 minutes to obtain cells.
- CRF controlled rate freezing
- the obtained cells were resuspended in RPMI1640 medium containing 500 IU / ml IL-2 and 10% fetal bovine serum to a concentration of 2 ⁇ 10 6 cells / ml.
- Ten milliliters of the resuspended cells were dispensed into T75 flasks, and on the third day of culture, an equal amount of medium was added and cultured for 7 days.
- the viable cell number and viability of the cultured NK cells were measured according to the manufacturer's manual using an ADAM cell counter Accustain kit (DigitalBio).
- the cells cultured in Experimental Example 1.2 were counted and diluted with PBS to a concentration of 1 ⁇ 10 6 cells / ml.
- the diluted cells were dispensed into two wells of rounded 96 well plates, each 14 ⁇ l.
- 14 ⁇ l of a T solution capable of measuring the total cell number was added, mixed with the diluted cells, and 14 ⁇ l of which was placed in a T panel of the counter chip.
- 14 ⁇ l of an N solution capable of measuring the number of dead cells was added to another well, mixed with the diluted cells, and 14 ⁇ l of the N solution was added to the N panel of the counter chip.
- the chip was inserted into an ADAM counter and the number of viable cells was measured and the results are shown in FIGS. 1A-1D.
- FIGS. 1A and 1C show the number of viable cells after incubation with IL-2 after thawing based on the number of cells in the vial upon freezing. It is shown in Tables 3 and 4 below.
- the survival rate expressed as a percentage of the viable cells based on the total cell number, shown in Table 5 and Table 6 below.
- tumor cells were treated by treating NK cells to confirm tumor cell killing ability.
- the activity of NK cells obtained immediately after thawing in Experimental Example 1.1 and NK cells obtained after culturing in Experimental Example 1.2 were evaluated, respectively.
- tumor cells K562 cells (ATCC, USA) were cultured in 37%, 5% CO 2 conditions in RPMI1640 medium containing 10% fetal bovine serum. The cultured cells were collected by trypsin treatment and then suspended in the culture medium to a concentration of 1 ⁇ 10 6 cells / ml. 1 mM calcein AM (Life Technologies, USA) was added to a final concentration of 30 ⁇ . The cells were incubated at 37 ° C., 5% CO 2 conditions for 1 hour to label tumor cells with fluorescence.
- the labeled tumor cells were washed with 10 ml of culture medium, resuspended to a concentration of 1 ⁇ 10 5 cells / ml, and 100 ⁇ l were dispensed into rounded 96 well plates.
- the cells obtained immediately after thawing and after culturing in Experimental Example 1.1 and Experimental Example 1.2 were used for NK cells (effector cells, E) and K562 cells (target cells, T).
- the ratios were mixed so that 10: 1, 3: 1, 1: 1 and 0.3: 1 were added, and 100 ⁇ l was added thereto.
- spontaneous release added the same amount of media to tumor cells, and maximum release added the same amount of 2% Triton X-100 to tumor cells.
- the cytotoxicity to tumors was cytotoxic compared to the Examples when the albumin content was 10% or less or 70% or more. Found to be low.
- freezing activated immune cells decreases cell activity and decreases the function of immune cells.
- thawed cells maintain different activities depending on the composition of the freezing medium.
- Example 3 it was confirmed that the highest NK cell activity when thawed after freezing.
- cryopreservation medium composition prepared in Examples 1 to 3 and Comparative Examples 1 to 6 can also be used for freezing tumor cells.
- HuT78 human T lymphoma cells HuT78 (ATCC, USA) and human leukemia cells K562 (ATCC, USA) were 37 ° C. and 5% CO 2 in RPMI1640 medium containing 10% fetal calf serum or 20% fetal calf serum, respectively. Cultured under conditions. After the cultured cells were recovered and suspended in each culture medium, HuT78 cells were frozen in a vial at a concentration of 1 ⁇ 10 7 cells / ml and K562 cells at a concentration of 4 ⁇ 10 6 cells / ml. Cell freezing was performed as described in Experimental Example 1.1 above. The frozen cells were resuspended in each culture medium and aliquoted to a concentration of 1 ⁇ 10 6 cells / ml and cultured at 37 ° C. and 5% CO 2 for 4 days.
- the cultured cells were measured by the same method as Experimental Example 1.3 and the number of cells survived and the survival rate. Viable cell numbers and viability for HuT78 cells are shown in FIGS. 3A and 3B and the same results for K562 cells are shown in FIGS. 4A and 4B.
- the tumor cells, HuT78 and K562 cells were similar in the cryopreservation medium composition of Examples 1 to 3 and the cryopreservation medium composition of Comparative Example 2 were similar in viable cell number and viability. appear.
- the cryopreservation medium composition of Comparative Example 1 showed a significantly lower viable cell number and survival rate.
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Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 | |
| DMSO(v/v%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 덱스트란 40(v/v%) | 25 | 25 | 25 | - | 25 | 25 | 25 | 25 | 25 |
| 알부민주(v/v%) | 50 | 35 | 20 | 95 | 70 | 10 | 5 | 1 | 0 |
| RPMI1640(v/v%) | 20 | 35 | 50 | - | - | 60 | 65 | 69 | 70 |
| 0 단계 | End Temp. +4℃ |
| 1 단계 | End Temp. -8℃; Slope -1℃/분 |
| 2 단계 | End Temp. -65℃; Slope -25℃/분 |
| 3 단계 | End Temp. -14℃; Slope +15℃/분 |
| 4 단계 | End Temp. -45℃; Slope -1℃/분 |
| 5 단계 | End Temp. -90℃; Slope -10.00℃/분 |
| 평균 | 표준편차 | |
| 비교예1 | 36 | 2 |
| 비교예2 | 60 | 5.8 |
| 실시예1 | 72 | 18.1 |
| 실시예2 | 82 | 6.2 |
| 실시예3 | 85 | 27.6 |
| 평균 | 표준편차 | |
| 실시예 3 | 78.5 | 13.6 |
| 비교예 3 | 67.6 | 23.1 |
| 비교예 4 | 58.9 | 2.4 |
| 비교예 5 | 57.8 | 20.8 |
| 비교예 6 | 45.0 | 6.5 |
| 평균 | 표준편차 | |
| 비교예1 | 42 | 23 |
| 비교예2 | 67 | 13 |
| 실시예1 | 76 | 6 |
| 실시예2 | 80 | 11 |
| 실시예3 | 79 | 7 |
| 평균 | 표준편차 | |
| 실시예 3 | 72 | 6 |
| 비교예 3 | 68 | 15 |
| 비교예 4 | 66 | 11 |
| 비교예 5 | 66 | 9 |
| 비교예 6 | 65 | 11 |
| 해동 직후 | 비교예1 | 비교예2 | 실시예1 | 실시예2 | 실시예3 |
| E10 | 44 | 60 | 59 | 65 | 76 |
| E3 | 22 | 32 | 32 | 42 | 52 |
| E1 | 8 | 13 | 12 | 17 | 24 |
| E0.3 | 2 | 4 | 9 | 7 | 8 |
| 해동 직후 | 실시예 3 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 |
| E30 | 90 | 84 | 82 | 77 | 66 |
| E10 | 65 | 53 | 50 | 47 | 37 |
| E3 | 33 | 24 | 21 | 21 | 16 |
| E1 | 13 | 10 | 7 | 9 | 6 |
| E0.3 | 5 | 5 | 2 | 3 | 4 |
| 배양 후 | 비교예1 | 비교예2 | 실시예1 | 실시예2 | 실시예3 |
| E10 | 84 | 87 | 86 | 86 | 88 |
| E3 | 68 | 82 | 77 | 76 | 77 |
| E1 | 45 | 61 | 52 | 46 | 45 |
| E0.3 | 17 | 28 | 21 | 19 | 18 |
| 배양 후 | 실시예 3 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 |
| E30 | 84 | 81 | 84 | 82 | 80 |
| E10 | 83 | 82 | 82 | 77 | 73 |
| E3 | 76 | 71 | 67 | 65 | 56 |
| E1 | 50 | 41 | 35 | 34 | 29 |
| E0.3 | 22 | 14 | 13 | 14 | 10 |
Claims (16)
- 총 조성물의 부피에 대하여, 15 내지 55 v/v%의 알부민, 20 내지 30 v/v%의 덱스트란, 2 내지 8 v/v%의 다이메틸설폭사이드 및 15 내지 55 v/v%의 세포 배양 배지를 포함하는 세포 동결보존용 배지 조성물.
- 제1항에 있어서, 상기 알부민이 18 내지 40 v/v%로 포함되는 것인, 조성물.
- 제1항에 있어서, 상기 덱스트란이 23 내지 27 v/v%로 포함되는 것인, 조성물.
- 제1항에 있어서, 상기 다이메틸설폭사이드가 4 내지 6 v/v%로 포함되는 것인, 조성물.
- 제1항에 있어서, 상기 세포 배양 배지가 30 내지 52 v/v%로 포함되는 것인, 조성물.
- 제1항에 있어서, 상기 세포가 동물세포인, 조성물.
- 제6항에 있어서, 상기 동물세포가 면역세포인, 조성물.
- 제7항에 있어서, 상기 면역세포가 자연살해세포인, 조성물.
- 제1항에 있어서, 상기 조성물은 상기 세포와 함께 대상체에 직접 투여되는 것인, 조성물.
- 제1항의 조성물을 첨가한 세포를 동결시키는 단계를 포함하는, 세포 동결보존 방법.
- 제1항의 조성물 및 면역세포를 유효성분으로 함유하는 암 또는 감염성 질환의 예방 또는 치료용 약학 조성물.
- 제11항에 있어서, 상기 면역세포가 자연살해세포인, 약학 조성물.
- 제1항의 조성물 및 줄기세포를 유효성분으로 함유하는 퇴행성 질환의 예방 또는 치료용 약학 조성물.
- 제13항에 있어서, 상기 줄기세포가 중간엽줄기세포인, 조성물.
- 제13항에 있어서, 상기 퇴행성 질환이 뇌신경질환, 허혈성 질환, 피부손상, 골질환 및 퇴행성 관절염으로 구성된 군으로부터 선택되는 어느 하나인, 조성물.
- 제1항의 조성물 및 중간엽줄기세포를 유효성분으로 함유하는 이식편대 숙주질환, 이식편 거부반응, 자가면역질환, 만성 염증성 질환, 염증성 통증, 신경병성 통증 및 만성 폐색성 호흡기 질환(chronic obstructive pulmonary disease, COPD)으로 구성된 군으로부터 선택되는 면역질환의 예방 또는 치료용 약학 조성물.
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| EP17747676.9A EP3412149A4 (en) | 2016-02-01 | 2017-01-25 | COMPOSITION OF A MEDIUM FOR CRYOCONIZING CELLS AND USES THEREOF |
| CN201780007020.3A CN108934158B (zh) | 2016-02-01 | 2017-01-25 | 细胞冻存用培养基组合物及其应用 |
| US16/073,872 US20190037831A1 (en) | 2016-02-01 | 2017-01-25 | Medium composition for cryopreservation of cell and use thereof |
| CA3013187A CA3013187C (en) | 2016-02-01 | 2017-01-25 | Medium composition for cryopreservation of cell and use thereof |
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| KR1020187019278A KR102175256B1 (ko) | 2016-02-01 | 2017-01-25 | 세포의 동결보존용 배지 조성물 및 이의 용도 |
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2017
- 2017-01-25 US US16/073,872 patent/US20190037831A1/en not_active Abandoned
- 2017-01-25 KR KR1020187019278A patent/KR102175256B1/ko active Active
- 2017-01-25 WO PCT/KR2017/000859 patent/WO2017135631A1/ko not_active Ceased
- 2017-01-25 CN CN201780007020.3A patent/CN108934158B/zh active Active
- 2017-01-25 AU AU2017215955A patent/AU2017215955B2/en active Active
- 2017-01-25 EP EP17747676.9A patent/EP3412149A4/en not_active Withdrawn
- 2017-01-25 JP JP2018559661A patent/JP6727334B2/ja active Active
- 2017-01-25 CA CA3013187A patent/CA3013187C/en active Active
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2022
- 2022-05-16 US US17/745,774 patent/US20230108578A1/en not_active Abandoned
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11766456B2 (en) | 2014-11-26 | 2023-09-26 | GC Cell Corporation | Method for culturing natural killer cells using T cells |
| JP2020502284A (ja) * | 2016-12-23 | 2020-01-23 | セルラー バイオメディスン グループ (シャンハイ) エルティーディー. | 臨床使用可能な細胞凍結保存液 |
| US12356981B2 (en) | 2016-12-23 | 2025-07-15 | AbelZeta Inc. | Cell freezing medium for clinical use |
| US12203065B2 (en) | 2017-05-26 | 2025-01-21 | GC Cell Corporation | Method for culturing natural killer cell, using transformed T cell |
| US12398372B2 (en) | 2018-11-14 | 2025-08-26 | GC Cell Corporation | Method for culturing cord blood-derived natural killer cells using transformed T-cells |
| WO2022133061A1 (en) * | 2020-12-17 | 2022-06-23 | Artiva Biotherapeutics, Inc. | Infusion ready cryopreservation compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230108578A1 (en) | 2023-04-06 |
| KR102175256B1 (ko) | 2020-11-06 |
| EP3412149A4 (en) | 2019-09-18 |
| US20190037831A1 (en) | 2019-02-07 |
| JP6727334B2 (ja) | 2020-07-22 |
| CN108934158B (zh) | 2022-11-15 |
| CA3013187A1 (en) | 2017-08-10 |
| AU2017215955B2 (en) | 2020-01-23 |
| JP2019504643A (ja) | 2019-02-21 |
| EP3412149A1 (en) | 2018-12-12 |
| KR20180085796A (ko) | 2018-07-27 |
| CN108934158A (zh) | 2018-12-04 |
| AU2017215955A1 (en) | 2018-08-23 |
| CA3013187C (en) | 2023-02-28 |
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