WO2020080861A1 - Syt11 억제제를 유효성분으로 포함하는 위암 치료용 조성물 - Google Patents
Syt11 억제제를 유효성분으로 포함하는 위암 치료용 조성물 Download PDFInfo
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- WO2020080861A1 WO2020080861A1 PCT/KR2019/013686 KR2019013686W WO2020080861A1 WO 2020080861 A1 WO2020080861 A1 WO 2020080861A1 KR 2019013686 W KR2019013686 W KR 2019013686W WO 2020080861 A1 WO2020080861 A1 WO 2020080861A1
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- syt11
- gastric cancer
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Definitions
- the present invention is a pharmaceutical composition for preventing or treating gastric cancer comprising an SYT11 expression inhibitor as an active ingredient, a composition for diagnosing gastric cancer comprising an agent for measuring the expression level of SYT11, a gastric cancer diagnosis comprising the step of measuring the expression level of SYT11 It relates to a method for providing information and a method for screening an agent for the treatment of gastric cancer.
- Cancer has a high mortality rate worldwide and is the most common cause of death after cardiovascular disease in Western societies.
- colorectal cancer, breast cancer, and prostate cancer are continuously increasing due to the aging of the population, generalization of high-fat diet intake due to westernization of diet, and rapid increase in environmental pollutants and increased drinking.
- anti-cancer substances that can contribute to the improvement of human health, the improvement of a healthy quality of life, and the promotion of human health by enabling the early prevention and treatment of cancer.
- gastric cancer has a high incidence, and is a major cause of cancer-related death.
- In Korea it is estimated that 16.2% of cancer patients (20.3% of male cancer patients and 11.2% of female cancer patients) are gastric cancer patients.
- Stomach cancer symptoms range from no symptoms at all to severe pain, and the symptoms of gastric cancer do not have any characteristics, but rather general digestive symptoms, and most of them do not have symptoms in the early stages of stomach cancer. Even if there are symptoms, it is relatively mild, so it is a degree of indigestion or discomfort in the upper abdomen, so it is easy for most people to overlook it, which may increase the mortality rate of stomach cancer.
- the type of gastric cancer may be classified through Lauren classification.
- adenocarcinoma which accounts for most of the stomach cancer, is divided into an intestinal type and a diffuse type.
- intestinal gastric cancer develops well, which forms ulcers well and adheres to tumor cells, forming a characteristic coronary structure.
- the subtype is a type in which individual cells infiltrate the stomach wall without formation of a clear mass due to low adhesion of tumor cells.
- the present inventors have made great efforts to develop an anti-cancer agent that can have an excellent effect on the treatment of gastric cancer without causing side effects to the human body, and as a result, the SYT11 expression inhibitor has an excellent effect on the treatment of gastric cancer within a non-toxic range and is diagnosed.
- the present invention was completed after confirming that it can be usefully used as a purpose.
- One object of the present invention is to provide a pharmaceutical composition for the prevention or treatment of gastric cancer comprising an inhibitor of SYT11 (Synaptotagmin 11) expression as an active ingredient.
- Another object of the present invention is to provide a composition for diagnosing stem gastric cancer, comprising an agent that measures the expression level of SYT11 (Synaptotagmin 11).
- Another object of the present invention is (a) measuring the level of expression of SYT11 (Synaptotagmin 11) from the isolated biological gastric tissue sample; (b) comparing the expression level with SYT11 (Synaptotagmin 11) expression level of the normal control sample; And
- SYT11 (Synaptotagmin 11) expression level of the biological gastric tissue sample is higher than SYT11 (Synaptotagmin 11) expression level of the normal control, comprising the step of determining as a stem gastric cancer, providing information for the diagnosis of stem gastric cancer Is to provide a way to do it.
- Another object of the present invention is (a) SYT11 (Synaptotagmin 11) processing the candidate gastric cancer treatment candidate substance in isolated gastric cancer cells expressing; (b) measuring SYT11 (Synaptotagmin 11) expression level in the isolated gastric cancer cells treated with the candidate substance; And (c) when the expression level of SYT11 (Synaptotagmin 11) measured in step (b) is lower than that of isolated gastric cancer cells in which the candidate substance is not treated, the candidate substance may be used as an agent for the treatment of gastric cancer. It is to provide a method for screening a formulation for the treatment of gastric cancer, comprising the step of determining that.
- Another object of the present invention is to provide a method for preventing or treating gastric cancer, comprising administering to a subject a composition comprising an inhibitor of expression of SYT11 (Synaptotagmin 11).
- Another object of the present invention is to provide a prophylactic or therapeutic use for gastric cancer, comprising administering to a subject a composition comprising an inhibitor of expression of SYT11 (Synaptotagmin 11).
- an aspect of the present invention provides a pharmaceutical composition for preventing or treating gastric cancer comprising an inhibitor of SYT11 (Synaptotagmin 11) expression as an active ingredient.
- compositions for diagnosing stem gastric cancer comprising an agent that measures the expression level of SYT11 (Synaptotagmin 11).
- Another aspect of the present invention (a) measuring the expression level of SYT11 (Synaptotagmin 11) from the isolated biological gastric tissue sample; (b) comparing the expression level with SYT11 (Synaptotagmin 11) expression level of the normal control sample; And (c) determining that the SYT11 (Synaptotagmin 11) expression level of the biological gastric tissue sample is higher than the SYT11 (Synaptotagmin 11) expression level of the normal control group. How to provide.
- another aspect of the present invention (a) SYT11 (Synaptotagmin 11) treating a candidate gastric cancer treatment candidate material in isolated gastric cancer cells; (b) measuring SYT11 (Synaptotagmin 11) expression level in the isolated gastric cancer cells treated with the candidate substance; And (c) when the expression level of SYT11 (Synaptotagmin 11) measured in step (b) is lower than that of isolated gastric cancer cells in which the candidate substance is not treated, the candidate substance may be used as an agent for the treatment of gastric cancer. It provides a screening method of the agent for treating gastric cancer, comprising the step of determining.
- another aspect of the present invention provides a method for preventing or treating gastric cancer, comprising administering to a subject a composition comprising an inhibitor of expression of SYT11 (Synaptotagmin 11).
- another aspect of the present invention provides a prophylactic or therapeutic use of gastric cancer comprising administering to a subject a composition comprising an inhibitor of expression of SYT11 (Synaptotagmin 11).
- composition comprising the SYT11 inhibitor according to the present invention inhibits migration and invasion of gastric cancer cells, inhibits adhesion to extracellular matrix, inhibits secretion of various cancer metastasis-related cytokines, and inhibits proliferation of gastric cancer cells By doing so, it has excellent effects as a composition for inhibiting cancer metastasis, preventing or treating cancer.
- the correlation between the expression of SYT11 and stem-type gastric cancer was confirmed, and by measuring the expression level of SYT11, it has an excellent effect in diagnosing stem-type gastric cancer.
- FIG. 1 is a diagram showing the results of confirming SYT11 expression enhancement in stem-like subtype gastric cancer cell lines among gastric cancer cell lines having intestinal, stem-like, mixed, and inflammatory subtypes.
- FIG. 2 is a view showing the results of confirming the inhibition of gastric cancer cell line migration by reducing SYT11 expression in the gastric cancer cell line.
- Figure 3 is a diagram showing the results of confirming the inhibition of gastric cancer cell line invasion by reducing SYT11 expression in the gastric cancer cell line.
- FIG. 4 is a view showing the result of confirming the inhibition of adhesion to the extracellular matrix by reducing SYT11 expression in gastric cancer cell lines.
- FIG. 5 is a diagram showing the results of confirming the suppression of secretion of growth factors and cytokines related to cancer metastasis by reducing SYT11 expression in gastric cancer cell lines.
- FIG. 6 is a view showing the results of confirming the tumor reduction effect according to the decrease in SYT11 expression in the mouse animal model.
- FIG. 8 is a view showing the results of confirming the suppression of cell proliferation by suppressing SYT11 expression using various siRNAs in gastric cancer cell lines.
- FIG. 9 is a view showing the results of confirming the suppression of cancer cell proliferation using SYT11 antisense oligonucleotides in gastric cancer cell lines.
- FIG. 10 is a view showing a result of comparing the cell growth inhibition according to the suppression of SYT family expression in gastric cancer cell lines.
- One aspect of the present invention for achieving the above object is a pharmaceutical composition for the prevention or treatment of gastric cancer comprising an inhibitor of SYT11 (Synaptotagmin 11) expression as an active ingredient.
- SYT11 (Synaptotagmin 11, NM_152280.4) encodes a protein similar to other family members known as calcium sensors as part of the Synaptotagmin gene family and modulates calcium-dependent regulation of membrane transport in synaptic transmission.
- the encoded protein is known as a substrate for ubiquitin-E3-ligase parkin.
- SYT11 above has the amino acid sequence of SEQ ID NO: 1.
- the molecular subtype of the cancer cell line is classified as intestinal, stem-like, mixed, inflammatory through the analysis of the human gastric cancer cell line, and the expression of SYT11 is increased in the stem-like subtype among the classified human gastric cancer cell lines. Confirmed.
- PDGF-AA related to cancer cell metastasis when SYT11 expression is inhibited in gastric cancer cells to confirm a correlation with growth factor or cytockine change associated with cancer cell metastasis by suppressing SYT11 expression, It was confirmed that VEGF, HGF, IGFBP-2, IL-17A, IL-8, angiopoietin-1, and angiopoietin-2 were reduced.
- SYT11 inhibitor is used to mean collectively all agents that reduce the expression or activity of SYT11, specifically affecting the reduction of the expression of SYT11, directly acting on SYT11, or indirectly acting on its ligand It may include all agents that reduce the activity of SYT11 by reducing the amount of expression of SYT11 at the transcription, mRNA level, or translation level, or by inhibiting SYT11 activity.
- the inhibitor of SYT11 can be used without limitation in the form of a compound, nucleic acid, peptide, virus, or vector containing the nucleic acid, which can inhibit the activity by targeting SYT11 expression or SYT11.
- the SYT11 inhibitor is not limited thereto, and there are siRNA or shRNA that degrades the mRNA of the SYT11 gene, and antisense oligonucleotides that reduce the expression of the SYT11 protein. Further, it may be an aptamer or a small molecule compound as an SYT11 inhibitor that inhibits function by binding to SYT11 protein.
- the siRNA may have a nucleotide sequence selected from SEQ ID NOs: 2, 3, 4 and 5.
- the shRNA may be a synthetic or modified shRNA having a nucleotide sequence selected from SEQ ID NOs: 6, 15, 16, and 17, and its homologues, isotypes, variants, derivatives, fragments, etc. , In the base sequence selected from SEQ ID NO: 6, 15 to 17, the loop sequence (underlined in Table 2 below) may be modified.
- Sequence information shRNA sequence information SEQ ID NO: 6 CCGGCATCAA AGTGCGGAGA GACAACTCGA GTTGTCTCTC CGCACTTTGA TGTTTTT SEQ ID NO: 15 CCTGCTAAGCCGAGACAAA CTCGAG TTTGTCTCGGCTTAGCAGGTTTTT SEQ ID NO: 16 CCAGGTGTCTCTGTCATAT CTCGAG ATATGACAGAGACACCTGGTTTTT SEQ ID NO: 17 GCAGAAAGCGCATTGCCAA CTCGAG TTGGCAATGCGCTTTCTGCTTTTTTTTTTTTT
- the antisense oligonucleotide may be any one or more antisense oligonucleotides selected from SEQ ID NOs: 18 and 19 and derivatives thereof, and the derivative is phosphorothiotate at one or more oligonucleotides selected from SEQ ID NOs: 18 and 19 It may have a modification and / or a 2'-0-methylated modification.
- the term "treatment” refers to clinically intervening to alter the natural course of the individual or cell to be treated, which can be performed during or to prevent clinical pathology.
- the desired therapeutic effects include preventing the occurrence or recurrence of the disease, alleviating symptoms, lowering all direct or indirect pathological consequences of the disease, preventing metastasis, reducing the rate of disease progression, and reducing disease status. Or temporary relief, remission or improved prognosis.
- the present invention includes all actions to improve the course of gastric cancer by administration of a composition containing a substance that inhibits SYT11.
- prevention refers to all actions to suppress or delay the onset of gastric cancer by administration of a composition comprising a substance that inhibits SYT11 according to the present invention.
- antisense oligonucleotide in the present invention is a DNA, RNA or a derivative thereof containing a nucleic acid sequence complementary to the sequence of a specific mRNA, which binds to the complementary sequence in the mRNA and inhibits the translation of the mRNA into a protein.
- the antisense oligonucleotide sequence refers to a DNA or RNA sequence complementary to the SYT11 mRNA and capable of binding to the mRNA. This can inhibit the essential activity for the translation of the SYT11 mRNA, translocation into the cytoplasm, maturation or any other overall biological function.
- the length of the antisense oligonucleotide may be 6 to 100 bases, preferably 8 to 60 bases, more preferably 10 to 40 bases.
- the antisense oligonucleotide may be synthesized in vitro by a conventional method, or administered in vivo, or the antisense oligonucleotide may be synthesized in vivo.
- One example of synthesizing antisense oligonucleotides in vitro is using RNA polymerase I.
- One example of allowing antisense RNA to be synthesized in vivo is to allow the antisense RNA to be transcribed using a vector in which the origin of the multiple cloning site (MCS) is in the opposite direction.
- MCS multiple cloning site
- the antisense RNA has a translation stop codon in the sequence so that it is not translated into the peptide sequence.
- the design of the antisense oligonucleotide that can be used in the present invention can be prepared according to a method known in the art with reference to the base sequence of SYT11.
- the antisense oligonucleotide of the present invention may be an oligonucleotide of SEQ ID NO: 18 or 19, but is not limited thereto.
- the oligonucleotide of SEQ ID NO: 18 or 19 includes an oligonucleotide and a derivative thereof having a base sequence substantially the same as the oligonucleotide of SEQ ID NO: 18 or 19.
- the oligonucleotide containing the substantially identical nucleotide sequence is an oligonucleotide comprising a nucleotide sequence having a sequence homology of 75% or more, 80% or more, 90% or more, and 95% or more with the nucleotide sequence of SEQ ID NO: 18 or 19, respectively.
- Means The derivative may be one having a phosphorothiotate modification and / or a 2'-O-methylation modification in one or more oligonucleotides selected from SEQ ID NOs: 18 and 19, but is not limited thereto.
- aptamer is a single-stranded oligonucleotide, 20 to 60 nucleotides in size, refers to a nucleic acid molecule having a binding activity to a given target molecule. It has a variety of three-dimensional structures depending on the sequence, and can have a high affinity with a specific substance, such as an antigen-antibody reaction. Aptamers can inhibit the activity of a given target molecule by binding to a given target molecule.
- the aptamer of the present invention may be RNA, DNA, modified nucleic acids or mixtures thereof, and may also be in the form of a straight chain or a ring.
- the aptamer binds to SYT11 and may serve to inhibit the activity of SYT11.
- Such aptamer can be prepared by a method known to those skilled in the art from the sequence of SYT11.
- shRNA is a hairpin structure formed by binding between complementary sequences in a single-stranded oligonucleotide, and in vivo, the shRNA is cut by a dicer and a small piece of RNA having a size of 21 to 25 nucleotides is cut.
- siRNA which is a double-stranded oligonucleotide
- expression can be suppressed by specifically binding to mRNA having a complementary sequence.
- shRNA or siRNA can be determined by the choice of those skilled in the art, and if the target mRNA sequences are the same, similar expression reduction effects can be expected.
- SYT11 can be inhibited by specifically acting on SYT11 and cleaving the SYT11 mRNA molecule to induce RNA interference (RNAi).
- RNAi RNA interference
- siRNA can be synthesized chemically or enzymatically. The method for producing siRNA is not particularly limited, and methods known in the art can be used.
- a method of directly chemically synthesizing siRNA a method of synthesizing siRNA using in vitro transcription, a method of cleaving long double-stranded RNA synthesized by in vitro transcription using an enzyme
- expression methods through intracellular delivery of shRNA expression plasmids or viral vectors and expression methods through intracellular delivery of polymerase chain reaction (PCR) -induced siRNA expression cassettes (cassette).
- PCR polymerase chain reaction
- the siRNA for SYT11 of the present invention may be composed of a double strand of siRNA having a nucleotide sequence selected from SEQ ID NOs: 2, 3, 4 and 5 and a complementary sequence thereof, siRNA.
- the shRNA for SYT11 of the present invention may have a nucleotide sequence selected from SEQ ID NOs: 6, 15, 16 and 17, but is not limited thereto.
- the antibody may be an antibody capable of inhibiting the activity of SYT11 by binding to a ligand protein of SYT11 or SYT11.
- the term "ligand” refers to a substance that forms a complex with a biomolecule and brings a biological reaction
- the "ligand protein of SYT11” or “ligand protein for SYT11” activates SYT11 by binding to SYT11 It may be a protein that increases or increases activity.
- the term "stomach cancer” refers to a disease caused by excessive proliferation of cells in the stomach. These abnormal hyperproliferative cells, in some cases, invade surrounding tissues and organs to form masses, destroy or deform the normal structure of the stomach, and this condition is called gastric cancer.
- a tumor refers to a mass that is abnormally grown by autonomous overgrowth of body tissue, and can be divided into a benign tumor and a malignant tumor. Malignant tumors have a very high rate of proliferation compared to benign tumors, and metastasis occurs when they infiltrate surrounding tissues and become life-threatening.
- gastric cancer is preferably a stem-type subtype and / or a mixed-type subtype, more preferably a stem-type subtype.
- the term "metastasis (metastasis)” refers to a condition in which a malignant tumor has spread to other tissues away from the affected organ. As the malignant tumor that started in one organ progresses, it spreads from the organ, the primary site that first occurred, to other tissues. It can be said that it spreads from the primary site to other tissues. Metastasis is a phenomenon that accompanies the progression of malignant tumors. Metastasis can occur as malignant tumor cells proliferate and acquire new genetic traits as cancer progresses. Metastasis can occur when tumor cells that acquire new genetic traits invade blood vessels and lymph glands, circulate along the blood and lymph, and then settle and multiply in other tissues.
- composition of the present invention can prevent and treat the spread of cancer by inhibiting metastasis.
- the term “inhibition” refers to all actions that inhibit the metastasis of the cancer by administration of the composition according to the present invention.
- Stomach cancer can be classified according to molecular subtype. For example, mRNA expression at the full-length genome level in a gastric cancer sample can be investigated by microarray techniques, and subtypes inherent in gastric cancer are confirmed through cluster analysis, and genes specific to each subtype can be selected through statistical verification. Based on the selected gene expression level, subtypes with high gene expression characteristic of epithelial cells are stem-like with subtypes with high gene expression from intestinal subtype, developmental stage signaling (EMT), and epilepsy (stroma). subtypes), mixed stromal subtypes that express both long and stem features, and inflammatory subtypes with high immunoregulation-related gene expression. Each subtype was found to have differential characteristics associated with well-established clinical and histopathological findings.
- EMT developmental stage signaling
- stroma epilepsy
- the long case is mainly located in the lower portion of the stomach and shows good characteristics of histological differentiation. According to Lauren classification, intestinal type and indeterminate type are widely distributed.
- the stem type it is called by a relatively young age group under 60 years old, located in the upper body and upper part, and has poor histological differentiation.
- the ring ring cell type (Signet ring cell type) accounts for 20% of the total tissue type, and there is a large distribution of diffuse types in the Lauren classification.
- Stem type has clinical features with very poor prognosis.
- the mixed type shares the characteristics of the long form and the stem form.
- Inflammatory type is more often located in the cardiac (cardia) including the gastro-esophageal junction than other subtypes, and histologically poor degree of differentiation.
- cardiac cardiac
- gastro-esophageal junction the gastro-esophageal junction
- histologically poor degree of differentiation there are many intestinal types and indeterminate types in the Lauren classification, so it is closer to the characteristics of the long form than the stem form. From the prognostic point of view, the long form and the mixed form have a moderate prognosis, and for the inflammatory form, the prognosis is the best.
- the pharmaceutical composition of the present invention may further include a suitable carrier, excipient or diluent commonly used in the manufacture of pharmaceutical compositions.
- the composition comprising a pharmaceutically acceptable carrier may be various oral or parenteral formulations. In the case of formulation, it may be prepared using diluents or excipients such as fillers, extenders, binders, wetting agents, disintegrating agents, surfactants, etc., which are usually used.
- Solid preparations for oral administration may include tablets, powders, granules, capsules, etc. These solid preparations include at least one excipient in one or more compounds, such as starch, calcium carbonate, sucrose or lactose. It can be prepared by mixing (lactose), gelatin, etc.
- Liquid preparations for oral administration include suspending agents, intravenous solutions, emulsions, syrups, etc.
- various excipients such as wetting agents, sweeteners, sweeteners, fragrances, and preservatives may be included.
- Formulations for parenteral administration may include sterile aqueous solutions, non-aqueous solvents, suspensions, emulsions, lyophilized preparations, and suppositories.
- non-aqueous solvent and a suspension solvent propylene glycol, polyethylene glycol, vegetable oil such as olive oil, and injectable estero such as ethyl oleate may be used.
- injectable estero such as ethyl oleate
- base for suppositories witepsol, macrogol, tween 61, cacao butter, laurin butter, and glycerogelatin may be used.
- the pharmaceutical composition of the present invention is not limited thereto, tablets, pills, powders, granules, capsules, suspensions, liquid solutions, emulsions, syrups, sterilized aqueous solutions, non-aqueous solvents, suspensions, emulsions, freeze-dried agents And it may have any one formulation selected from the group consisting of suppositories.
- Another aspect of the present invention for achieving the above object is to provide a method of treating gastric cancer comprising the step of administering to a subject a pharmaceutical composition comprising an SYT11 (Synaptotagmin 11) inhibitor as an active ingredient.
- the term "individual” in the present invention means all animals, including humans, who have or develop gastric cancer disease of the present invention, and may be individuals other than humans. By administering the pharmaceutical composition of the present invention to an individual, it has an excellent effect on the treatment of gastric cancer and can also suppress metastasis of gastric cancer.
- the pharmaceutical composition of the present invention is administered in a pharmaceutically effective amount.
- the term "administration" refers to the introduction of the pharmaceutical composition of the present invention to a subject by any suitable method, and the route of administration can be administered through various routes, oral or parenteral, as long as the target tissue can be reached.
- the pharmaceutical composition may be appropriately administered to an individual according to the purpose or need, depending on the conventional method, route of administration, and dosage used in the art.
- routes of administration may be oral, parenteral, subcutaneous, intraperitoneal, intrapulmonary, and intranasal, and parenteral infusions include intramuscular, intravenous, intraarterial, intraperitoneal, or subcutaneous administration.
- an appropriate dosage and frequency of administration may be selected according to methods known in the art, and the amount and frequency of administration of the pharmaceutical composition of the present invention to be actually administered is the type of symptom to be treated, the route of administration, sex, health status, It can be appropriately determined by various factors such as diet, age and weight of the individual, and severity of the disease.
- the term "pharmaceutically effective amount" in the present invention means an amount sufficient to suppress or alleviate the disease in a reasonable ratio applicable to medical use, and the effective dose level is the individual type and severity, age, sex, and activity of the drug. , Sensitivity to the drug, time of administration, route of administration and rate of excretion, duration of treatment, factors including co-drugs and other factors well known in the medical field.
- the composition of the present invention may be administered as an individual therapeutic agent or in combination with other therapeutic agents, and may be administered sequentially or simultaneously with conventional therapeutic agents. And it can be administered single or multiple. Considering all of the above factors, it is important to administer an amount that can achieve the maximum effect in a minimal amount without side effects, and can be easily determined by those skilled in the art.
- the pharmaceutically effective amount is 0.5 to 1000 mg / day / kg body weight, preferably 0.5 to 500 mg / day / kg body weight.
- Another aspect of the present invention for achieving the above object is to provide the use of a composition comprising a SYT11 (Synaptotagmin 11) inhibitor in the manufacture of a medicament for the treatment of gastric cancer.
- Another aspect of the present invention for achieving the above object is to provide a composition comprising a SYT11 (Synaptotagmin 11) inhibitor for use in the treatment of gastric cancer.
- Another aspect of the present invention for achieving the above object is to provide a composition for diagnosing stem gastric cancer, comprising an agent that measures the expression level of SYT11 (Synaptotagmin 11).
- an agent that measures the expression level of SYT11 Synaptotagmin 11
- the nucleotide sequence of SEQ ID NO: 7 and SEQ ID NO: 8 can be used as an agent for measuring the expression level of SYT11 (Synaptotagmin 11).
- Another object of the present invention is (a) measuring the level of expression of SYT11 (Synaptotagmin 11) from the isolated biological gastric tissue sample; (b) comparing the expression level with SYT11 (Synaptotagmin 11) expression level of the normal control sample; And
- SYT11 (Synaptotagmin 11) expression level of the biological gastric tissue sample is higher than SYT11 (Synaptotagmin 11) expression level of the normal control, comprising the step of determining as a stem gastric cancer, providing information for the diagnosis of stem gastric cancer Is to provide a way to do it.
- diagnosis in the present invention means to identify the presence or characteristic of stem gastric cancer disease by measuring the presence or absence of SYT11 of the present invention in a biological tissue sample or a tissue sample.
- marker or diagnostic marker is a substance that can be diagnosed by distinguishing an individual with stem-type gastric cancer cells or stem-type gastric cancer disease from normal cells or normal individuals.
- Organic biomolecules such as polypeptides, proteins or nucleic acids (e.g., mRNA, etc.), lipids, glycolipids, glycoproteins or sugars (monosaccharides, disaccharides, oligosaccharides, etc.) that show an increase or decrease in cells or individuals.
- the stem-type gastric cancer diagnostic marker of the present invention is SYT11, which exhibits a specifically high level of expression in stem-type gastric cancer cells, compared to cells of normal cells or tissues.
- the term, "separated biological gastric cancer tissue sample” refers to a sample separated from the tissue of an individual to be diagnosed, specifically gastric tissue.
- measuring the SYT11 expression level may be measuring the mRNA expression level of SYT11 or measuring the SYT11 protein expression level.
- the "mRNA expression level measurement” is a process of confirming the presence of mRNA and expression level of the stem-type gastric cancer marker gene in a biological tissue sample to diagnose stem-type gastric cancer, and can be known by measuring the amount of mRNA. Analysis methods for this include RT-PCR, competitive RT-PCR (competitive RT-PCR), real-time RT-PCR (RT-PCR), RNase protection assay (RPA), Northern blotting (Northern) blotting), DNA chips, and the like, but are not limited thereto.
- the "measurement of protein expression level” is a process of confirming the presence and expression level of a protein expressed in a stem gastric cancer marker gene in a biological gastric tissue sample in order to diagnose stem gastric cancer, and specific for the protein of the gene Check the amount of protein using the antibody to bind.
- Western blot Western blot, ELISA (enzyme linked immunosorbent assay), radioimmunoassay (RIA), radioimmunodiffusion, Ouchterlony immunodiffusion, rocket immunoelectrophoresis , Tissue immunostaining, immunoprecipitation assay, complement fixation assay, FACS, protein chip, etc., but is not limited thereto.
- the agent for measuring the mRNA level may be a primer pair, probe, or anti-sense nucleotide for the SYT11 mRNA of the present invention, and the polynucleotide of SYT11 of the present invention Sequences allow those skilled in the art to easily design primer, probe, or antisense nucleotide sequences.
- the agent for measuring the protein level may be an antibody.
- the level of SYT11 was measured to confirm the effect of diagnosing stem gastric cancer.
- Another object of the present invention is (a) SYT11 (Synaptotagmin 11) processing the candidate gastric cancer treatment candidate substance in isolated gastric cancer cells expressing; (b) measuring SYT11 (Synaptotagmin 11) expression level in the isolated gastric cancer cells treated with the candidate substance; And (c) when the level of expression of SYT11 (Synaptotagmin 11) measured in step (b) is lower than that of isolated gastric cancer cells in which the candidate substance is not treated, the candidate substance may be used as an agent for treating gastric cancer. It is to provide a method for screening a formulation for the treatment of gastric cancer, comprising the step of determining that.
- the expression level of the gene of the present invention or the level of the protein encoded by the gene in the cell in the absence of a candidate substance capable of treating gastric cancer is measured, and the expression level of the gene of the invention in the presence of the candidate substance Or after measuring the level of the protein encoded by the gene and comparing the two, the expression level of the gene of the present invention or the level of the protein encoded by the gene when the candidate substance is present is the level in the absence of the candidate substance A more reducing substance can be predicted as a therapeutic agent for gastric cancer.
- the screening method may be performed in vivo or in vitro, and is not particularly limited.
- the candidate substance may be a known substance or a new substance, and screening may be performed on a large scale through, for example, a plant extract or a chemical library. Through this, it is possible to find an agent capable of inhibiting the expression or activity of SYT11 to inhibit gastric cancer, particularly stem-type subtype gastric cancer.
- the protein is extracted from a cell line using a lipase solution (RIPA buffer, millipore), separated by electrophoresis on a polyacrylamide gel, and then transferred from the gel to a polyvinylidene fluoride membrane. Ordered. The protein transferred to the membrane was confirmed by reaction with a substrate using SYT11 antibody.
- a lipase solution RIPA buffer, millipore
- MRNA was separated from the cell line using RNA extraction solution (Trizol, Invitrogen), and RT-PCR and microarray were performed. Complementary DNA was synthesized from mRNA using RT transcript (Enginenomics). PCR was performed using SYT11 primers synthesized from complementary DNA. In addition, RPL13A primer was used as a control gene. The primer sequence information used in the experiment is shown in Table 2. After the PCR was over, the sample was electrophoresed on an agarose gel containing etidium bromide and irradiated with UV to confirm the band.
- SYT11 Forward primer (SEQ ID NO: 7) CCG GTC TCT CAG GTA ATC CT SYT11 Reverse primer (SEQ ID NO: 8) CTC ATT CTT GGT GGT GCG AT RPL13A forward primer (SEQ ID NO: 9) CAT CGT GGC TAA ACA GGT AC RPL13A reverse primer (SEQ ID NO: 10) GCA CGA CCT TGA GGG CAG C
- the expression level of each gene was measured using a chip (illumina, San Diego, CA, USA) in which an oligo base capable of complementary binding from the extracted RNA was planted.
- 1A shows results of Microarray analysis in 25 human gastric cancer cell lines, and it was confirmed that mRNA expression of SYT11 was significantly increased in stem gastric cancer subtype.
- FIG. 1B shows the result of confirming the expression of SYT11 through Western blot and RT-PCR in a representative cell line of each molecular subtype.
- SNU484 cells were inoculated in a 96 well-Image Loc plate, grown for 24 hours, scratched with a wound maker, and subjected to a real-time cell analysis system (Incucyte). Cell migration was confirmed by wound healing assay at 0 hours, 20 hours, and 40 hours.
- 2A is a result of confirming the inhibition of SYT11 through silot (SYT11) (SEQ ID NO: 3, 4 or 5) or siSC (SEQ ID NO: 11) on SNU484 cells through Western blot.
- FIG. 2B is a view showing the results of wound healing assay over time. As can be seen in Figure 2, as a result of treating siSYT11 on the gastric cancer cell line, it was confirmed that the ability to move gastric cancer cells is significantly reduced.
- Invasion assay was performed to confirm the inhibition of gastric cancer cell infiltration of siSYT11. Specifically, experiments were performed using 24-well plate cell culture inserts, and SNU484 cells transfected with siSYT11 or siSC were inoculated into matrigel-encoded inserts as above, and after 24 hours, cells moved under the inserts were Sulforhodamine B It was stained with (SRB) solution to measure absorbance.
- FIG. 3 shows the result of confirming cell invasion through the Invasion assay, and B of FIG. 3 shows the result of schematization thereof. 3, it was confirmed that SYT11 inhibition reduced cancer cell infiltration by about 40% compared to control.
- the extracellular matrix is a matrix of proteins and polysaccharides that surrounds the outside of the cell, providing an environment for cells to function normally. Integrin is present in the cell membrane and is involved in the signaling related to focal adhesion through binding between cell-cell or cell-matrix. In the process of cancer cell metastasis, integrin binds fibronectin, collagen, laminin, etc. in the extracellular matrix and binds between cell-matrix It functions to induce cell adhesion when moving cancer cells.
- FIG. 4 shows the result of the Adhesion assay. 4A, it was confirmed that the adhesion to collagen or fibronectin was reduced due to SYT11 inhibition.
- FIG. 4 shows the result of confirming the change in expression of integrin proteins. 4B, it was confirmed that various integrin protein expressions were inhibited by SYT11 inhibition.
- Example 4 Inhibition of cytokine secretion related to cancer metastasis by SYT11 inhibition in gastric cancer cell line
- cytokine array R & D system, proteome profiler antibody arrays
- SNU484 cells were transfected with siSYT11 or siSC and replaced with serum-free medium after 24 hours to incubate in hypoxia state (2% O 2 ) for 24 hours, followed by PDGF-AA using cell culture solution, Cytokines of VEGF, HGF, IGFBP-2, IL-17A, IL-8, angiopoietin-1, and angiopoietin-2 were identified.
- 5A shows the results of performing the proteome profile-cytokine assay. As shown in FIG. 5, the growth factor or cytokine secretion related to cancer cell metastasis was significantly reduced according to siSYT11 treatment.
- B of 5 shows the result of plotting the qPCR result. As shown in FIG. 5, it was confirmed that in both Normoxia and Hypoxia conditions, growth factor associated with cancer cell metastasis or mRNA expression associated with cytokine was significantly reduced.
- stomach cancer cell line SNU484 shSYT11-Lentivirus was infected and knockdown-down cells or shControl-Lentivirus-infected cells were injected into nude mice, and tumor size was measured every 2-3 days to confirm changes in their mass and volume.
- shRNA represented by shSTY11 has the nucleotide sequence of SEQ ID NO: 12, shRNA represented by shControl (CTRL) (sigma).
- FIG. 6A is a result of confirming the change in tumor size according to the date
- FIG. 6B is a result of confirming the weight of the tumor by sacrificing the mouse on the 16th day
- FIG. 6C is a photograph showing the resulting tumor .
- the tissues of the above animal model were taken and the growth factor or cytokine expression change related to cancer cell metastasis, intergrin expression change, and tumor-specific endothelial marker ANTXR1 were confirmed by qPCR in the same manner as in Example 4.
- siSYT11 or siSC was transfected and gene expression changes were confirmed through RT-PCR.
- results confirmed in the in vivo model of FIG. 7B are also angiopoietin-1 and angiopoietin-2. It was confirmed that both Intergrin- ⁇ 1 and ANTXR1 decreased with SYT11 treatment.
- SNU484 cells were transfected with siSYT11 or siSC as in Example 2, and cell proliferation was confirmed for 4 days using a real-time cell analysis system (InCucyte).
- siSYT11 or siSC was transfected with siSYT11 (SEQ ID NOs: 2, 3, 4, or 5) having different siRNA sequences in the same manner as in Example 2 above, and stained with Sulforhodamine B (SRB) solution after 72 hours to absorb. The cell viability was confirmed by measurement.
- SRB Sulforhodamine B
- FIG. 8A shows the result of confirming the decrease of SYT11 expression through Western blot
- FIG. 8B shows the result of confirming the proliferation of cancer cells over time.
- C of FIG. 8 is a result of confirming the inhibition of SYT11 through siblo (SYT11) (SEQ ID NO: 3, 4 or 5) or siSC (SEQ ID NO: 11) on SNU484 cells through Western blot, and FIG. 8D shows cell proliferation rate As a result, it was confirmed that cell proliferation was inhibited by siRNAs having SEQ ID NOs: 2, 3, 4 or 5.
- the antisense oligonucleotide AS-SYT11 (SEQ ID NO: 18 or 19) or negative control AS-NC (SEQ ID NO: 20) was transfected and stained with Sulforhodamine B (SRB) solution after 72 hours. Cell viability was confirmed by measuring absorbance.
- SRB Sulforhodamine B
- SYT11 can be used as a diagnostic factor for stem gastric cancer.
- the inhibitor for SYT11 inhibits migration and invasion of gastric cancer cells, inhibits adhesion to extracellular matrix, inhibits secretion of various cancer metastasis-related cytokines, and inhibits proliferation of gastric cancer cells. It was confirmed that it has an excellent effect as a composition for treating stomach cancer.
- SNU484 cells were transfected with siSC, siSYT11, and other genes of the SYT family, siSYT4 that inhibits SYT4 (SEQ ID NO: 13), or siSYT7 that suppresses SYT7 (SEQ ID NO: 14), and after 72 hours, Sulforhodamine B ( SRB) staining with solution to measure the absorbance to confirm the survival rate of the cells.
- SRB Sulforhodamine B
- SUN484 cell proliferation was selectively inhibited by SYT11 knockdown and was not affected by other SYT families, SYT4 and SYT7.
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Abstract
Description
| 서열번호 | siRNA 서열 정보 |
| 서열번호 2 | 5'- CAU CAA AGU GCG GAG AGA CAA (dTdT) -3' |
| 서열번호 3 | 5'- CCU GCU AAG CCG AGA CAA A (dTdT) -3' |
| 서열번호 4 | 5'- CCA GGU GUC UCU GUC AUA U (dTdT) -3' |
| 서열번호 5 | 5'- GCA GAA AGC GCA UUG CCA A (dTdT) -3' |
| 서열 정보 | shRNA 서열 정보 |
| 서열번호 6 | CCGGCATCAA AGTGCGGAGA GACAACTCGA GTTGTCTCTC CGCACTTTGA TGTTTTT |
| 서열번호 15 | CCTGCTAAGCCGAGACAAA CTCGAG TTTGTCTCGGCTTAGCAGGTTTTT |
| 서열번호 16 | CCAGGTGTCTCTGTCATAT CTCGAG ATATGACAGAGACACCTGGTTTTT |
| 서열번호 17 | GCAGAAAGCGCATTGCCAA CTCGAG TTGGCAATGCGCTTTCTGCTTTTT |
| 서열 정보 | 안티센스 올리고 뉴클레오타이드 정보 | 설명 |
| AS-SYT11(서열번호 18) | 5’- mA*mU*A* T*G*A* C*A*G* A*G*A* C*A*C* C*TmG* mG-3' | 19mer, * : P=S,m : 2-o-methyl |
| AS-SYT11(서열번호 19) | 5’- mU*mU*G* G*C*A* A*T*G* C*G*C* T*T*T* C*T*mG* mC-3' | 19mer, * : P=S,m : 2-o-methyl |
| 서열정보 | 서열 |
| SYT11 Forward primer (서열번호 7) | CCG GTC TCT CAG GTA ATC CT |
| SYT11 Reverse primer (서열번호 8) | CTC ATT CTT GGT GGT GCG AT |
| RPL13A forward primer (서열번호 9) | CAT CGT GGC TAA ACA GGT AC |
| RPL13A reverse primer (서열번호 10) | GCA CGA CCT TGA GGG CAG C |
Claims (14)
- SYT11 (Synaptotagmin 11) 억제제를 유효성분으로 포함하는 위암의 예방 또는 치료용 약학 조성물.
- 제1항에 있어서, 상기 SYT11 (Synaptotagmin 11) 억제제는 siRNA, shRNA 및 안티센스 올리고뉴클레오티드로 이루어진 군에서 선택되는 것인, 위암의 예방 또는 치료용 약학 조성물.
- 제2항에 있어서, 상기 siRNA는 서열번호 2, 서열번호 3, 서열번호 4 및 서열번호 5로 구성된 그룹으로부터 선택된 염기서열을 가지는 것인, 위암의 예방 또는 치료용 약학 조성물.
- 제2항에 있어서, 상기 shRNA는 서열번호 6, 서열번호 15, 서열번호 16, 및 서열번호 17로 구성된 그룹으로부터 선택된 염기서열을 가지는 것인, 위암의 예방 또는 치료용 약학 조성물.
- 제2항에 있어서, 상기 안티센스 뉴클레오티드는 서열번호 18 및 서열번호 19로 구성된 그룹으로부터 선택된 염기서열을 가지는 것인, 위암의 예방 또는 치료용 약학 조성물.
- 제1항에 있어서, 상기 위암은 줄기형 또는 혼합형 아형을 가지는 위암인, 위암의 예방 또는 치료용 약학 조성물.
- SYT11 (Synaptotagmin 11)의 발현 수준을 측정하는 제제를 포함하는, 줄기형 위암의 진단용 조성물.
- 제7항에 있어서, 상기 SYT11 mRNA 수준을 측정하는 제제는 SYT11 유전자에 특이적인 프라이머(primer)쌍, 프로브(probe), 또는 안티센스 뉴클레오티드(antisense nucleotide)이거나,상기 SYT11 단백질 수준을 측정하는 제제는 SYT11 단백질에 특이적인 항체인 것인, 줄기형 위암의 진단용 조성물.
- (a) 분리된 생물학적 위 조직 시료로부터 SYT11 (Synaptotagmin 11) 발현 수준을 측정하는 단계;(b) 상기 발현 수준을 정상 대조군 시료의 SYT11 (Synaptotagmin 11) 발현 수준과 비교하는 단계; 및(c) 상기 생물학적 위 조직 시료의 SYT11 (Synaptotagmin 11) 발현 수준이 정상 대조군의 SYT11 (Synaptotagmin 11) 발현 수준보다 높을 경우 줄기형 위암으로 판정하는 단계를 포함하는, 줄기형 위암 진단을 위한 정보를 제공하는 방법.
- (a) SYT11 (Synaptotagmin 11)를 발현하는 분리된 위암 세포에 위암치료 후보 물질을 처리하는 단계;(b) 상기 후보 물질이 처리된 분리된 위암 세포에서 SYT11 (Synaptotagmin 11) 발현 수준을 측정하는 단계; 및(c) 상기 (b) 단계에서 측정된 SYT11 (Synaptotagmin 11) 발현 수준이 후보 물질이 처리되지 않은 분리된 위암 세포에 비해 낮은 수준을 나타내는 경우, 상기 후보 물질을 위암 치료용 제제로서 사용할 수 있을 것으로 판정하는 단계를 포함하는, 위암의 치료용 제제의 스크리닝 방법.
- SYT11 (Synaptotagmin 11) 억제제를 포함하는 조성물을 개체에 투여하는 단계를 포함하는 위암의 예방 또는 치료방법.
- 제11항에 있어서, 상기 SYT11 (Synaptotagmin 11) 억제제는 siRNA, shRNA 및 안티센스 올리고뉴클레오티드로 이루어진 군에서 선택되는 것인, 위암의 예방 또는 치료 방법.
- SYT11 (Synaptotagmin 11) 억제제를 포함하는 조성물의 위암 예방 또는 치료 용도.
- 제13항에 있어서, 상기 SYT11 (Synaptotagmin 11) 억제제는 siRNA, shRNA 및 안티센스 올리고뉴클레오티드로 이루어진 군에서 선택되는 것인, 위암 예방 또는 치료 용도.
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| JP2021521300A JP7645178B2 (ja) | 2018-10-19 | 2019-10-17 | Syt11抑制剤を有効成分として含む胃癌治療用組成物 |
| EP19873496.4A EP3868385B1 (en) | 2018-10-19 | 2019-10-17 | GASTRIC CANCER TREATMENT COMPOSITION COMPRISING A SYT11 INHIBITOR AS THE ACTIVE INGREDIENT |
| CN201980068374.8A CN112867495B (zh) | 2018-10-19 | 2019-10-17 | 包含syt11抑制剂作为活性成分的胃癌治疗组合物 |
| US17/234,455 US12397011B2 (en) | 2018-10-19 | 2021-04-19 | Method for preventing or treating cancer using SYT11 inhibitor |
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| KR102691995B1 (ko) * | 2021-03-17 | 2024-08-05 | 한국생명공학연구원 | 미만형 위암의 예후 진단 마커 |
| US20250002909A1 (en) | 2021-05-14 | 2025-01-02 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | COMPOSITION FOR PREVENTING OR TREATING NEURODEGENERATIVE DISEASES CONTAINING A miRNA INHIBITOR AND USE THEREOF |
| KR102632530B1 (ko) | 2021-05-24 | 2024-02-02 | 가톨릭대학교 산학협력단 | 약물전달물질로서의 위암 특이적 표적 엑소좀 조성물 및 이의 용도 |
| CN115433770A (zh) * | 2021-06-01 | 2022-12-06 | 苏州百脉得生物科技有限公司 | Synaptotagmin-11 mRNA作为帕金森综合征标志物及其用途 |
| US20260110036A1 (en) | 2022-06-17 | 2026-04-23 | Korea Research Institute Of Bioscience And Biotechnology | Marker for prognosis of diffuse type gastric cancer and treatment target |
| CN115873939A (zh) * | 2022-11-30 | 2023-03-31 | 苏州百脉得生物科技有限公司 | 用于帕金森病诊断、辅助诊断或早期筛查的引物组 |
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| CN112867495A (zh) | 2021-05-28 |
| EP3868385A1 (en) | 2021-08-25 |
| JP7645178B2 (ja) | 2025-03-13 |
| JP2022505327A (ja) | 2022-01-14 |
| EP3868385B1 (en) | 2025-12-31 |
| KR102377702B1 (ko) | 2022-03-24 |
| CN112867495B (zh) | 2024-08-20 |
| KR20200044695A (ko) | 2020-04-29 |
| US20210361694A1 (en) | 2021-11-25 |
| EP3868385C0 (en) | 2025-12-31 |
| EP3868385A4 (en) | 2021-12-22 |
| US12397011B2 (en) | 2025-08-26 |
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