WO2018231034A2 - 암의 예방 또는 치료용 약학적 조성물 - Google Patents
암의 예방 또는 치료용 약학적 조성물 Download PDFInfo
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- C12N15/1135—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing against oncogenes or tumor suppressor genes
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- C12N2310/00—Structure or type of the nucleic acid
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- C12N2310/00—Structure or type of the nucleic acid
- C12N2310/30—Chemical structure
- C12N2310/32—Chemical structure of the sugar
- C12N2310/321—2'-O-R Modification
Definitions
- the present invention relates to a pharmaceutical composition that can effectively prevent or treat cancer.
- MicroRNAs are small non-coding RNAs consisting of 18-25 nucleotides (nts), which bind to the 3'-untranslated region (UTR) of the target gene to regulate gene expression (Bartel DP , et al., Cell 116: 281-297, 2004; Lewis BP, et al., Cell 120: 15-20, 2005), processing from introns, exons or intergenic regions. (Rodriguez A, et al., Genome Res 14: 1902-1910, 2004). First, miRNAs are transcribed by RNA polymerase into early miRNA (pri-miRNA) molecules containing thousands of nucleotides.
- pri-miRNA early miRNA
- the pri-miRNA is then microprocessord to form approximately 70 nt stem ring intermediates known as miRNA precursors (DroshaRNase endonuclease and DiGeorge syndrome region gene 8 protein, DGCR8). (Lee Y, et al., EMBO J21: 4663-4670, 2000; Zeng Y, et al., Proc Natl Acad Sci US A100: 9779-9784, 2003). Then, the pre-miRNA is transferred from the nucleus to the cytoplasm via the cofactor Ran-GTP with exopoltin-5 (EXP5), where the pre-miRNA is 18-25 by RNase endonuclease dicer.
- miRNA precursors DroshaRNase endonuclease and DiGeorge syndrome region gene 8 protein, DGCR8
- DGCR8 DiGeorge syndrome region gene 8 protein
- Mature miRNA duplexes are incorporated into the RNA-induced silencing complex (RISC) as Argonaute protein and single-stranded RNA, which induces either cleavage or translational inhibition of the target mRNA (Diederichs S, et al., Cell 131: 1097-1108, 2007; Hammond SM, et al., Nature 404: 293-296, 2000; Martinez et al., Cell 110: 563-574, 2002).
- RISC RNA-induced silencing complex
- miRNAs are involved in various biological processes associated with cancer development, including the proliferation and infiltration of cancer cells, and miRNA expression is bidirectionally regulated in many types of cancers (Esquela-Kerscher A, et al., Nat Rev Cancer 6: 259-269). , 2006).
- Cancer is one of the most common causes of death worldwide. About 10 million new cases occur each year, accounting for about 12% of all deaths, causing the third largest number of deaths.
- breast cancer is the most common malignant tumor that causes more than 40,000 deaths every year for women, but early diagnosis is very important.However, despite many known anti-cancer therapies, the survival rate is high when cancer is advanced or metastasized. This situation has not been improved.
- Chemotherapy a representative anticancer therapy, is currently used as the most efficient therapy for treating cancer, either alone or in combination with other therapies such as radiotherapy.
- the efficacy of a cancer treatment drug in chemotherapy depends on its ability to kill cancer cells, but there is a problem in that the drug may act on cancer cells as well as general cells.
- Cancer stem cells are cancer cells with unlimited regenerative capacity, and the hypothesis that tumors will originate from stem cells suggests that a group of cells that could become cancer stem cells in acute myeloid leukemia in the late 1990s was transplanted into immunosuppressed mice. It was confirmed that human leukemia could be reproduced in rats, and after that, cancer stem cells were proved in breast cancer, which confirmed the existence of stem cells in solid carcinomas.
- Cancer stem cells may be a new target therapeutic field.
- Notch signaling is carried out by an enzyme called gamma secretase, which can be used to inhibit tumors by using a gamma secretase inhibitor in Notch1 overexpressed breast cancer.
- gamma secretase an enzyme that can be used to inhibit tumors by using a gamma secretase inhibitor in Notch1 overexpressed breast cancer.
- targeting the hedgehog signaling system has been shown to be anti-cancer effect.
- the hedgehog inhibitor cyclopamine was administered to a tumor xenograft animal, the tumor dramatically contracted.
- One object of the present invention is to provide a pharmaceutical composition capable of preventing and / or treating cancer.
- Another object of the present invention is to provide a pharmaceutical composition capable of effectively inhibiting the growth of cancer stem cells to prevent and / or treat cancer, as well as to prevent the resistance, metastasis and recurrence of cancer.
- misa of hsa-miR-328-3p, hsa-miR-6514-5p and hsa-miR-503-3p effectively inhibit the growth and proliferation of cancer stem cells as well as cancer cells, metastasis of cancer It has also been found to inhibit and lead to the present invention.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for the prevention or treatment of cancer comprising a transformant transformed with the expression vector as an active ingredient.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for inhibiting the growth of cancer stem cells comprising a transformant transformed with the expression vector as an active ingredient.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for the prevention or treatment of metastasis of cancer comprising a transformant transformed with the expression vector as an active ingredient.
- miRNA comprising a seed sequence represented by any one of SEQ ID NOS: 1 to 3 to the subject in need of treatment;
- An expression vector comprising the same;
- it relates to a method for preventing or treating cancer, comprising the step of administering an effective amount of a transformant transformed with the expression vector.
- a subject in need of treatment comprising a seed sequence (seed sequence) represented by any one of the base sequence of SEQ ID NO: 1 to 3 miRNA;
- An expression vector comprising the same;
- a method for inhibiting growth of cancer stem cells comprising the step of administering an effective amount of a transformant transformed with the expression vector.
- a subject in need of treatment comprises a seed sequence represented by any one of the nucleotide sequences of SEQ ID NOs: 1 to 3 miRNA; An expression vector comprising the same; Or it relates to a method for preventing or treating metastasis of cancer, comprising administering an effective amount of a transformant transformed with the expression vector.
- the nucleotide sequence represented by SEQ ID NO: 1 may be a seed sequence of hsa-miR-328-3p miRNA represented by the nucleotide sequence of SEQ ID NO: 4 (CUGGCCCUCUCUGUGCUUCCGU).
- the nucleotide sequence represented by SEQ ID NO: 2 may be a seed sequence of hsa-miR-6514-5p miRNA represented by the nucleotide sequence of SEQ ID NO: 5 (UAUGGAGUGGACUUUCAGCUGGC).
- the nucleotide sequence represented by SEQ ID NO: 3 may be a seed sequence of hsa-miR-503-3p miRNA represented by the nucleotide sequence of SEQ ID NO: 6 (GGGGUAUUGUUUCCGCUGCCAGG).
- the nucleotide sequence represented by SEQ ID NO: 4 may be a sequence of hsa-miR-328-3p miRNA.
- the nucleotide sequence represented by SEQ ID NO: 5 may be a sequence of hsa-miR-6514-5p miRNA.
- the nucleotide sequence represented by SEQ ID NO: 6 may be a sequence of hsa-miR-503-3p miRNA.
- the "seed sequence” means a nucleotide sequence of some region in the miRNA to which miRNA binds with complete complementarity when it recognizes a target, which is an essential part of the miRNA to bind to the target. It is a site that functions effectively.
- the miRNA in the present invention may be included without limitation as long as it is a polynucleotide represented by any one of SEQ ID NOs: 1 to 3, or a miRNA including the polynucleotide.
- a nucleic acid molecule that functions for the treatment of cancer or cancer stem cells in succession to the polynucleotide represented by any one of SEQ ID NO: 1 to 3 the total nucleic acid molecule is 14 to 29nt, more preferably It may be in the form of a mature miRNA 19 to 25 nt, more preferably 21, 22 or 23 nt in length.
- the miRNA is at least one miRNA selected from the group consisting of (1) hsa-miR-328-3p miRNA, hsa-miR-6514-5p miRNA, and hsa-miR-503-3p miRNA. ; And (2) a miRNA comprising a nucleotide sequence represented by any one of SEQ ID NOs: 1 to 3, and having a nucleotide sequence of at least 80%, or at least 90%, or at least 95% homology with the nucleotide sequence of (1). ; It may include at least one of.
- miRNAs used in the present invention are functionally equivalent to the miRNA nucleic acid molecules even if functional equivalents of the nucleic acid molecules constituting the same, for example, some nucleotide sequences of the miRNA nucleic acid molecules are modified by deletion, substitution or insertion. It is a concept that includes variants that can have an equivalent action.
- the miRNA of the present invention may exhibit at least 80% homology with the nucleotide sequence of each corresponding SEQ ID NO, preferably may include 90%, more preferably at least 95% homology. Such homology can be readily determined by using computer algorithms well known in the art, such as the Align or BLAST algorithms, to compare the sequence of nucleotides with corresponding portions of the target gene.
- the miRNA may be a mature miRNA as described above, but may be a miRNA precursor in the form of a miRNA precursor, a primary miRNA (pri-miRNA), or a plasmid.
- the nucleic acid molecules constituting the miRNA precursor or primary miRNA in the present invention may have a length of 50 to 150nt, preferably 50 to 100nt, more preferably 65 to 95nt.
- the miRNA may exist in a single stranded or double stranded form. While mature miRNA molecules exist predominantly in single strands, precursor miRNA molecules may comprise partial self-complementary structures (eg stem-loop structures) capable of forming double strands.
- precursor miRNA molecules may comprise partial self-complementary structures (eg stem-loop structures) capable of forming double strands.
- the phosphate backbone structure is a form containing a phosphorothiolate (phosphothiolate) structure that is a form substituted with elemental sulfur; Forms substituted with DNA, PNA (petide nucleic acids) or LNA (locked nucleic acid) molecules;
- the 2 ′ hydroxyl group of the sugar may be substituted with a methylated, methoxylated or fluorinated structure.
- the miRNA of the present invention may be isolated or prepared using standard molecular biology techniques such as chemical synthesis or recombinant methods, or may be commercially available.
- the miRNA nucleic acid molecule may be provided in a form included in an expression vector.
- the expression vector is preferably a non-viral vector or a viral vector
- the non-viral vector is preferably plasmid DNA
- the viral vector is a lentivirus, a retrovirus, a retrovirus, Adenovirus, herpes virus, and avidox virus vectors may be used, but the present invention is not limited thereto.
- the expression vector further comprises a selection marker in order to facilitate selection of transformed cells.
- a selection marker in order to facilitate selection of transformed cells. Markers that confer a selectable phenotype such as, for example, drug resistance, nutritional requirements, resistance to cytotoxic agents or expression of surface proteins such as green fluorescent protein, puromycin, neomycin, hygromycin, Histidinol dehydrogenase (hisD) and guanine phosphoribosyltransferase (Gpt) and the like.
- the expression vector may be introduced into a host cell to provide a transformed transformant.
- the host cell is preferably a somatic cell of a mammal including a human, and more preferably, it is a cell of a tissue region for treatment of human, or a cancer cell or a cancer stem cell of the region, but is not limited thereto.
- a method for introducing the expression vector into a host cell may include G-fectin, Mirus TrasIT-TKO lipid affinity reagent, lipofectin, lipofectamine, cellfectin, cationic phospholipid nanoparticles, It may be introduced into a cell with a delivery reagent comprising a cationic polymer, a cationic micelle, a cationic emulsion, or a liposome, or a biocompatible polymer such as polyethylene glycol may be conjugated to increase intracellular uptake.
- MiRNAs, expression vectors or transformants provided in the present invention may inhibit the growth or proliferation of cancer cells or cancer stem cells or induce death, or may inhibit the stem cell ability of cancer stem cells, Specifically, by inhibiting the expression of at least one of NANOG and OCT4, which are stem cell-related markers in cancer stem cells, or by increasing the expression of at least one of CK18 and KRT20, which are inhibited in cancer stem cells, May lead to loss of stem cell capacity.
- the "subject in need” is a symptom of or suspected of having cancer or cancer metastasis, and thus preventing, improving or treating cancer or cancer metastasis by inhibiting the growth or proliferation of cancer or cancer stem cells. It may be a subject.
- cancer stem cells refers to cancer cells in a comprehensive sense having self-renewal or differentiation ability that is characteristic of stem cells.
- cancer refers to or indicates a physiological condition characterized by unregulated cell growth typically in mammals.
- Cancers to be treated and prevented in the present invention are breast cancer, colon cancer, uterine cancer, fallopian tube cancer, ovarian cancer, stomach cancer, brain cancer, head and neck cancer, rectal cancer, small intestine cancer, esophageal cancer, lymph gland cancer, gallbladder cancer, lung cancer , Skin cancer (or melanoma), kidney cancer, bladder cancer, blood cancer, pancreatic cancer, prostate cancer, thyroid cancer, endocrine cancer, oral cancer, liver cancer, blood cancer, etc., preferably breast cancer, colon cancer, uterine cancer, fallopian tube cancer, ovary Cancer, stomach cancer, brain cancer, head and neck cancer, rectal cancer, small intestine cancer, esophageal cancer, lymph gland cancer, gallbladder cancer, lung cancer, skin cancer (or melanoma), kidney cancer, bladder cancer, blood cancer, pancreatic cancer, prostate cancer, thyroid cancer, endocrine cancer, oral cancer,
- Cancer stem cells capable of differentiating into such cancer cells are present in the malignant tumor tissue in the range of 1 to 2%, self-renewal, which is characteristic of normal stem cells, and pluripotent that can differentiate into other cells.
- self-renewal which is characteristic of normal stem cells
- pluripotent that can differentiate into other cells.
- it has been reported to have an abnormality in the self-regulatory function, thereby increasing the number of cells due to cell division and differentiating itself into malignant tumor cells.
- cancer stem cells Since the presence of cancer stem cells in leukemia in 1997 (Blood, 1997), breast cancer (PNAS, 2003), brain tumors (Nature, 2004), prostate cancer (Cancer Res, 2005), colon cancer (Nature) , 2007), evidence suggests that cancer stem cells also exist in melanoma (Nature, 2008). A small number of cancer stem cells included in tumors have emerged as the main cause of tumor malignancy, anticancer resistance and recurrence.
- Cancer stem cells have markers that distinguish them from other cancer cells, and cancer stem cell-specific cancer stem cell markers are known as cancer stem cell markers as shown in Table 1 below. have.
- Cancer stem cells that are subject to growth inhibition in the present invention include breast cancer, colon cancer, uterine cancer, fallopian tube cancer, ovarian cancer, gastric cancer, brain cancer, head and neck cancer, rectal cancer, small intestine cancer, esophageal cancer, lymph gland cancer, gallbladder cancer, lung cancer Stem cells of cancers such as skin cancer (or melanoma), kidney cancer, bladder cancer, blood cancer, pancreatic cancer, prostate cancer, thyroid cancer, endocrine cancer, oral cancer, liver cancer, and blood cancer, but preferably breast cancer, Colorectal cancer, uterine cancer, fallopian tube cancer, ovarian cancer, stomach cancer, brain cancer, head and neck cancer, rectal cancer, small intestine cancer, esophageal cancer, lymph gland cancer, gallbladder cancer, lung cancer, skin cancer (or melanoma), kidney cancer, bladder cancer, blood cancer, pancreatic cancer, prostate It may be a stem cell of cancer, thyroid cancer, endocrine cancer, oral cancer or liver cancer, in particular
- cancer stem cells are constantly self-renewal and can make tumors with less than a thousand cells in experimental animal models and possess the capacity as malignant tumor cells.
- cancer stem cell removal is increasingly recognized as a barometer to determine the success of cancer treatment.
- cancer stem cells are killed using various treatment methods such as surgery, radiation therapy, and chemotherapy, it is recognized that cancer may recur from remaining cancer stem cells if the cancer stem cells are not killed. .
- chemotherapy targeting cancer stem cells having the ability to regenerate tumors and treatment protocols for treating cancer based thereon.
- cancer stem cells in normal tissues regulate cell growth and differentiation by self-renewal mechanisms, but cancer stem cells are affected by tumor microenvironment factors surrounding tumor cells, resulting in abnormal self-renewal and It has been suggested to activate the maintenance pathway and accumulate rapidly, thereby becoming malignant and gaining resistance to chemotherapy and ultimately causing cancer to recur.
- tumor microenvironment factors that regulate the accumulation and maintenance of cancer stem cells.
- prophylaxis may include without limitation any action that blocks cancer symptoms, inhibits or delays cancer symptoms using the miRNA, expression vector, transformant or pharmaceutical composition of the present invention.
- treatment may include without limitation any action that improves or benefits cancer symptoms using the miRNA, expression vector, transformant or pharmaceutical composition of the present invention.
- the miRNA, expression vector, transformant or pharmaceutical composition of the present invention can be further co-administered with other anticancer agents, thereby further enhancing the growth inhibitory effect or cancer metastasis suppression effect on cancer cells and cancer stem cells.
- the anticancer agent is nitrogen mustard, imatinib, oxaliplatin, rituximab, erlotinib, neratinib, lapatinib, zefitinib, vandetanib, nirotinib, semasanib, conservinib, axitinib, cediranib , Restautinib, trastuzumab, gefitinib, bortezomib, sunitinib, carboplatin, bevacizumab, cisplatin, cetuximab, biscumalbum, asparaginase, tretinoin, hydroxycarbamide, da Satinib, estramastin, gemtuzumab ozogamycin, ibritumab tucetan, heptaplatin, methylaminolevulinic acid, amsacrine, alemtuzumab, procarbazine, alprostad
- the miRNA, expression vector, transformant or pharmaceutical composition may be in the form of capsules, tablets, granules, injections, ointments, powders or beverages, the miRNA, expression vector, transformants or The pharmaceutical composition may be characterized as targeting humans.
- the miRNAs, expression vectors, transformants or pharmaceutical compositions of the present invention are not limited to these, but are oral formulations, external preparations, suppositories, and sterilizations such as powders, granules, capsules, tablets and aqueous suspensions, respectively, according to conventional methods. It can be used in the form of an injection solution.
- the miRNAs, expression vectors or transformants of the invention can be administered with a pharmaceutically acceptable carrier, and the pharmaceutical compositions of the invention can comprise a pharmaceutically acceptable carrier.
- Pharmaceutically acceptable carriers can be used as oral administration binders, suspending agents, disintegrants, excipients, solubilizers, dispersants, stabilizers, suspending agents, pigments, flavors, etc., and in the case of injections, buffers, preservatives, analgesic Topical agents, solubilizers, isotonic agents, stabilizers and the like can be mixed and used, and for topical administration, bases, excipients, lubricants, preservatives and the like can be used.
- Formulations of miRNAs, expression vectors, transformants or pharmaceutical compositions of the invention can be prepared in various ways by mixing with a pharmaceutically acceptable carrier as described above.
- oral administration may be in the form of tablets, troches, capsules, elixirs, suspensions, syrups, wafers, and the like, in the case of injections, in unit dosage ampoules or multiple dosage forms.
- solutions, suspensions, tablets, capsules, sustained release preparations and the like may be used.
- Suitable carriers, excipients, and diluents for formulation include lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, erythritol, malditol, starch, acacia rubber, alginate, gelatin, calcium phosphate, calcium silicate, Cellulose, methyl cellulose, microcrystalline cellulose, polyvinylpyrrolidone, water, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate or mineral oil and the like can be used.
- fillers, anti-coagulants, lubricants, wetting agents, fragrances, emulsifiers, preservatives and the like may be further included.
- Routes of administration of miRNAs, expression vectors, transformants or pharmaceutical compositions according to the invention are not limited to these, but are oral, intravenous, intramuscular, intraarterial, intramedullary, intradural, intracardiac, transdermal, subcutaneous, Intraperitoneal, intranasal, intestinal, topical, sublingual or rectal. Oral or parenteral release is preferred.
- parenteral includes subcutaneous, intradermal, intravenous, intramuscular, intraarticular, intramuscular, intrasternal, intradural, intralesional and intracranial injection or infusion techniques.
- MiRNAs, expression vectors, transformants or pharmaceutical compositions of the invention may also be administered in the form of suppositories for rectal administration.
- the miRNAs, expression vectors, transformants or pharmaceutical compositions of the present invention may be characterized by the activity, age, weight, general health, sex, formulation, time of administration, route of administration, rate of release, combination of drugs and the particular to be prevented or treated, of the specific compound employed.
- the dosage of the pharmaceutical composition may vary depending on the patient's condition, weight, extent of disease, drug form, route of administration, and duration, but may be appropriately selected by those skilled in the art. It may be administered at 0.0001 to 50 mg / kg or 0.001 to 50 mg / kg per day. Administration may be administered once a day or may be divided several times. The dosage does not limit the scope of the invention in any aspect.
- MiRNAs, expression vectors, transformants or pharmaceutical compositions according to the invention may be formulated as pills, dragees, capsules, solutions, gels, syrups, slurries, suspensions.
- Expression vectors containing the miRNA of the present invention specifically contains 0.01 to 500 mg, or more specifically 0.1 to 300 mg, and in the case of recombinant virus comprising the miRNA of the present invention, specifically 10 3 ⁇ 10 12 IU (10 to 10 10 PFU), more specifically 10 5 to 10 10 IU, but is not limited thereto.
- the transformant including the miRNA of the present invention specifically contains 10 3 to 10 8 , and more specifically contains 10 4 to 10 7 , but is not limited thereto.
- the effective dose of the composition containing the expression vector or transformant containing the miRNA of the present invention as an active ingredient is 0.05 to 12.5 mg / kg for the vector per kg of body weight, 10 7 to 10 for the recombinant virus 11 virus particles (10 5 to 10 9 IU) / kg, 10 3 to 10 6 cells / kg for cells, specifically 0.1 to 10 mg / kg for vectors, 10 8 to 10 for recombinant viruses 10 particles (10 6 to 10 8 IU) / kg, in the case of cells 10 2 to 10 5 cells / kg, may be administered 2-3 times a day.
- the composition as described above is not necessarily limited thereto, and may vary depending on the condition of the patient and the onset of the disease.
- MiRNA provided by the present invention can effectively inhibit the growth of cancer cells as well as cancer stem cells to prevent and / or treat cancer, furthermore can prevent cancer resistance, metastasis and recurrence.
- Figure 1a is a graph showing the results of analyzing the cell survival rate after treatment with miRNA according to the present invention MCF7 breast cancer cells in Example 1 of the present invention.
- Figure 1b is a graph showing the results of analyzing the cell viability after treatment with miRNA according to the present invention to BT474 breast cancer cells in Example 1 of the present invention.
- Figure 2a is a graph showing the results of analyzing the change in the relative colony number after treatment with miRNA according to the present invention to BT474 breast cancer stem cells in Example 2 of the present invention.
- Figure 2b is a graph showing the results of analyzing the change in the relative colony number after treatment with miRNA according to the present invention HCT15 colon cancer stem cells in Example 2 of the present invention.
- Figure 3a shows the result of analyzing the cell viability after treatment of hsa-miR-6514-5p miRNA according to the present invention to SK-MEL-28 melanoma cells in Example 3 of the present invention.
- Figure 3b is a graph showing the results of analyzing the cell viability after treating the miRNA of hsa-miR-503-3p according to the present invention to SK-MEL-28 melanoma cells in Example 3 of the present invention.
- Figure 3c is a graph showing the results of analyzing the cell survival after treatment of the positive control hsa-miR-34a to SK-MEL-28 melanoma cells in Example 3 of the present invention.
- Figure 4a is a graph showing the results of analyzing the cell viability after treatment of hsa-miR-6514-5p miRNA according to the present invention to NCI-H460 lung cancer cells in Example 4 of the present invention.
- Figure 4b is a graph showing the results of analyzing the cell viability after treatment of the miRNA of hsa-miR-503-3p according to the present invention to NCI-H460 lung cancer cells in Example 4 of the present invention.
- Figure 4c is a graph showing the results of analyzing the cell viability after treatment of the positive control hsa-miR-34a to NCI-H460 lung cancer cells in Example 4 of the present invention.
- Figure 5a is a graph showing the results of analyzing the change in the expression level of NANOG, a gene related to stem function after treatment of miRNA according to the present invention to BT474 breast cancer stem cells in Example 5 of the present invention.
- Figure 5b is a graph showing the results of analyzing the change in the expression level of OCT4, a gene related to stem function after treatment of miRNA according to the present invention to BT474 breast cancer stem cells in Example 5 of the present invention.
- Figure 5c is a graph showing the results of analyzing the change in the expression level of CK18, a gene related to stem function after treatment of miRNA according to the present invention to BT474 breast cancer stem cells in Example 5 of the present invention.
- Figure 6a shows the result of analyzing the change in the expression level of NANOG, a gene related to stem function after treatment of miRNA according to the present invention to HCT15 colon cancer stem cells in Example 5 of the present invention.
- Figure 6b is a graph showing the results of analyzing the change in the expression level of OCT4, a gene related to stem function (stemness) after treating miRNA according to the present invention to HCT15 colon cancer stem cells in Example 5 of the present invention.
- Figure 6c is a graph showing the results of analyzing the change in the expression level of KRT20, a gene related to stem function (stemness) after treatment of miRNA according to the present invention to HCT15 colon cancer stem cells in Example 5 of the present invention.
- Figure 7a is a graph showing the results of analyzing the change in the expression level of NANOG, a gene related to stem function after treating miRNA according to the present invention to SK-MEL-28 melanoma stem cells in Example 6 of the present invention; It is shown.
- Figure 7b is a graph showing the results of analyzing the change in the expression level of OCT4, a gene related to stem function after treating miRNA according to the present invention to SK-MEL-28 melanoma stem cells in Example 6 of the present invention; It is shown.
- Figure 8 shows the number of infiltrating cancer cells attached to the bottom of the transwell through the Matrigel after treating the miRNA according to the invention to SK-MEL-28 melanoma cells in Example 7 of the present invention.
- Figure 9 shows a photo of infiltrating cancer cells attached to the bottom of the transwell through the Matrigel after treating the miRNA according to the invention to SK-MEL-28 melanoma cells in Example 7 of the present invention.
- Figure 10 shows the number of infiltrating cancer cells attached to the bottom of the transwell through the Matrigel after treating the miRNA according to the invention to NCI-H460 lung cancer cells in Example 8 of the present invention.
- FIG. 11 shows a photograph of infiltrating cancer cells attached to the bottom of a transwell after passing through Matrigel after treating miRNA according to the present invention to NCI-H460 lung cancer cells in Example 8 of the present invention.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for the prevention or treatment of cancer comprising a transformant transformed with the expression vector as an active ingredient.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for inhibiting the growth of cancer stem cells comprising a transformant transformed with the expression vector as an active ingredient.
- a miRNA comprising a seed sequence represented by any one of SEQ ID NOs: 1 to 3; An expression vector comprising the same; Or it relates to a pharmaceutical composition for the prevention or treatment of metastasis of cancer comprising a transformant transformed with the expression vector as an active ingredient.
- miRNA types Sequence hsa-miR-328-3p miRNA CUGGCCCUCUCUGCCCUUCCGU (SEQ ID NO: 4) hsa-miR-6514-5p miRNA UAUGGAGUGGACUUUCAGCUGGC (SEQ ID NO: 5) hsa-miR-503-3p miRNA GGGGUAUUGUUUCCGCUGCCAGG (SEQ ID NO: 6)
- MCF-7, BT474, HCT15 and SK-MEL-28 cancer cell lines were purchased from ATCC and cultured in DMEM / F12 medium supplemented with B27 supplement and growth factors (FGF and EGF 20 ng / mL) to induce cancer stem cells. It was. Only cells expressing the cancer stem cell marker CD44 + were selected and cultured for about 2 weeks.
- NCI-H460 cancer cell lines were prepared as other cancer cells.
- lipofectamine lipofectamine
- 5-FU 5-fluorouracil
- miRNA according to the present invention can be seen that there is an effect of inhibiting the growth and proliferation and death of cancer cells or cancer stem cells.
- FIGS. 2A and 2B After introducing three miRNAs of Preparation Example 1 into BT474 breast cancer stem cells and HCT15 colon cancer stem cells prepared in Preparation Example 2 in the same manner as in Example 1, and comparing the change in the number of colonies, FIGS. 2A and 2B. Shown in However, no treatment was performed as a negative control, and 5-fluorouracil (5-FU) (Sigma, USA) was treated as a positive control.
- 5-FU 5-fluorouracil
- miRNA according to the present invention can be seen that there is an effect of inhibiting the growth and proliferation and death of cancer cells or cancer stem cells.
- the treatment of melanoma cells with miRNA according to the present invention significantly reduced the survival rate of melanoma cells, melanoma at a lower concentration than when treated with a positive control miR-34a It was confirmed that the survival rate of the cells was significantly suppressed.
- the hRNA-miR-6514-5p and hsa-miR-503-3p miRNAs prepared in Preparation Example 1 were introduced into NCI-H460 lung cancer cells prepared in Preparation Example 2 using lipofectamine for 48 hours. 4A to 4C are compared to change the cell viability according to the treatment concentration, and the final concentration for killing IC 50 and total lung cancer cells for the lung cancer cells was measured and the results are shown in Table 4 below. At this time, no treatment was performed as a negative control, miR-34a was used as a positive control.
- FIGS. 5A-5C and 6A-6C The results are shown in FIGS. 5A-5C and 6A-6C. However, no treatment was performed with the negative control, and napabucasin (Abcam, USA) was treated with the positive control.
- NANOG and OCT14 which are genes related to stemness
- BT474 breast cancer stem cells and HCT15 colon cancer stem cells 5c and 6c
- the expression levels of CK18 and KRT20 whose expression was suppressed in cancer stem cells were increased.
- miRNA according to the present invention can be seen that there is an effect to lose the stem cell capacity (stemness) of cancer stem cells.
- the miRNAs of hsa-miR-6514-5p and hsa-miR-503-3p prepared in Preparation Example 1 were introduced into SK-MEL-28 melanoma stem cells prepared in Preparation Example 2.
- miRNA harvested from the cancer stem cells
- the cycle was quantified and quantified.
- the results are shown in Figures 7a to 7b. However, no treatment was performed as a negative control, and miR-34a was used as a positive control.
- miRNA according to the present invention can be seen that there is an effect to lose the stem cell capacity (stemness) of cancer stem cells.
- miRNA according to the present invention has an inhibitory effect on metastasis of cancer cells.
- miRNA according to the present invention has an inhibitory effect on metastasis of cancer cells.
- the present invention relates to pharmaceutical compositions capable of preventing, ameliorating or treating cancer.
Abstract
Description
암종 | 암 줄기세포 표지인자 | 출처 |
교모세포종 | CD133 | |
신장암 | CD105, CD133 | Contemp Oncol (Pozn). 2015; 19(1A): A44-A51 |
갑상선암 | ABCG2, MRP1, LRP 및 CXCR4 | J Clin Pathol. 2014 Feb;67(2):125-33 |
급성골수성백혈병 (AMM) | CD34+/CD38- | |
다발성골수종 (multiple myeloma) | CD133- | |
유방암 | CD44+/CD24-/low | Breast Cancer Res. 2007; 9(3): 303 |
대장암 | CD133+ | |
전립선암 | CD44+/α2β1hi/CD133+ | |
흑색종 (melanoma) | ABCB5+ |
miRNA 종류 | 염기서열 |
hsa-miR-328-3p miRNA | CUGGCCCUCUCUGCCCUUCCGU(서열번호 4) |
hsa-miR-6514-5p miRNA | UAUGGAGUGGACUUUCAGCUGGC(서열번호 5) |
hsa-miR-503-3p miRNA | GGGGUAUUGUUUCCGCUGCCAGG(서열번호 6) |
구분 | IC50(nM) | Final Conc. (nM) |
miR34a | 1.715 | 1715 |
hsa-miR-6514-5p | 0.6800 | 680 |
hsa-miR-503-3p | 0.02280 | 22 |
구분 | IC50(nM) | Final Conc. (nM) |
miR34a | 0.01030 | 10 |
hsa-miR-6514-5p | 0.01718 | 17 |
hsa-miR-503-3p | 0.003044 | 3 |
프라이머 이름 | 프라이머 서열 | |
Nanog | Forward | CCCCAGCCTTTACTCTTCCTA |
Reverse | CCAGGTTGAATTGTTCCAGGTC | |
OCT4 | Forward | GTGTTCAGCCAAAAGACCATCT |
Reverse | GGCCTGCATGAGGGTTTCT | |
CK18 | Forward | TGAGACGTACAGTCCAGTCCTT |
Reverse | GCTCCATCTGTAGGGCGTAG | |
KRT20 | Forward | AGGAGACCAAGGCCCGTTA |
Reverse | ATCAGTTGGGCCTCCAGAGA | |
GAPDH | Forward | AATCCCATCACCATCTTCCA |
Reverse | TGGACTCCACGACGTACTCA |
Claims (27)
- 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효 성분으로 포함하는 암의 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서,상기 miRNA는 서열번호 1 내지 3 중 어느 하나로 표시되는 염기서열을 포함하며 총 14 내지 29개의 연속적인 염기서열로 이루어지는, 약학적 조성물.
- 제1항에 있어서,상기 miRNA는,(1) hsa-miR-328-3p miRNA, hsa-miR-6514-5p miRNA 및 hsa-miR-503-3p miRNA로 이루어진 군에서 선택된 1종 이상의 miRNA; 및(2) 상기 서열번호 1 내지 3 중 어느 하나로 표시되는 염기서열은 포함하되, 상기 (1)의 염기 서열과 상동성이 90% 이상인 염기서열로 이루어진 miRNA; 중 적어도 하나를 포함하는, 약학적 조성물.
- 제3항에 있어서,상기 hsa-miR-328-3p miRNA는 서열번호 4의 염기서열로 구성되는 것인, 약학적 조성물.
- 제3항에 있어서,상기 hsa-miR-6514-5p miRNA는 서열번호 5의 염기서열로 구성되는 것인, 약학적 조성물.
- 제3항에 있어서,상기 hsa-miR-503-3p miRNA는 서열번호 6의 염기서열로 구성되는 것인, 약학적 조성물.
- 제1항에 있어서,상기 miRNA를 구성하는 핵산 분자 중 적어도 하나는,인산 뼈대 구조 (phosphate backbone structure)가 황 원소로 치환한 형태인 포스포로사이오에이트 (phosphorothiolate) 구조가 포함하는 형태;DNA, PNA(petide nucleic acids) 또는 LNA(locked nucleic acid) 분자로 치환된 형태; 또는당의 2'수산화기가 메틸화, 메톡시화 또는 플르오르화 구조로 치환된 형태인, 약학적 조성물.
- 제1항에 있어서,상기 miRNA는 miRNA 전구체(miRNA precursor), 일차 miRNA (pri-miRNA) 또는 플라스미드 (plasmid) 형태의 miRNA 전구체인, 약학적 조성물.
- 제1항에 있어서,상기 miRNA는 단일 가닥 또는 이중 가닥의 형태인, 약학적 조성물.
- 제1항에 있어서,상기 약학적 조성물은 암 세포 또는 암 줄기세포의 증식 억제 또는 사멸을 유도하거나, 암 줄기세포의 줄기세포능(stemness)을 억제하거나, 상기 암 세포 또는 암 줄기세포의 전이를 억제하는, 약학적 조성물.
- 제1항에 있어서,상기 약학적 조성물은 NANOG 및 OCT4 중 적어도 하나의 발현을 억제하거나, CK18 및 KRT20 중 적어도 하나의 발현은 증가시키는, 약학적 조성물.
- 제1항에 있어서,상기 암은 유방암, 대장암, 자궁암, 나팔관암, 난소암, 위암, 뇌암, 두경부암, 직장암, 소장암, 식도암, 임파선암, 담낭암, 폐암, 피부암, 신장암, 방광암, 혈액암, 췌장암, 전립선암, 갑상선암, 내분비선암, 구강암, 간암 및 혈액암으로 이루어진 군에서 선택되는, 약학적 조성물.
- 제1항에 있어서,상기 발현 벡터는 비바이러스성 벡터 또는 바이러스성 벡터인, 약학적 조성물.
- 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효 성분으로 포함하는 암 줄기세포의 성장 억제용 약학적 조성물.
- 제14항에 있어서,상기 miRNA는 서열번호 1 내지 3 중 어느 하나로 표시되는 염기서열을 포함하며 총 14 내지 29개의 연속적인 염기서열로 이루어지는, 약학적 조성물.
- 제14항에 있어서,상기 miRNA는,(1) hsa-miR-328-3p miRNA, hsa-miR-6514-5p miRNA 및 hsa-miR-503-3p miRNA로 이루어진 군에서 선택된 1종 이상의 miRNA; 및(2) 상기 서열번호 1 내지 3중 어느 하나로 표시되는 염기서열은 포함하되, 상기 (1)의 염기 서열과 상동성이 90% 이상인 염기서열로 이루어진 miRNA; 중 적어도 하나를 포함하는, 약학적 조성물.
- 제16항에 있어서,상기 hsa-miR-328-3p miRNA는 서열번호 4의 염기서열로 구성되는 것인, 약학적 조성물.
- 제16항에 있어서,상기 hsa-miR-6514-5p miRNA는 서열번호 5의 염기서열로 구성되는 것인, 약학적 조성물.
- 제16항에 있어서,상기 hsa-miR-503-3p miRNA는 서열번호 6의 염기서열로 구성되는 것인, 약학적 조성물.
- 제14항에 있어서,상기 miRNA를 구성하는 핵산 분자 중 적어도 하나는,인산 뼈대 구조 (phosphate backbone structure)가 황 원소로 치환한 형태인 포스포로사이오에이트 (phosphorothiolate) 구조가 포함하는 형태;DNA, PNA(petide nucleic acids) 또는 LNA(locked nucleic acid) 분자로 치환된 형태; 또는당의 2'수산화기가 메틸화, 메톡시화 또는 플르오르화 구조로 치환된 형태인, 약학적 조성물.
- 제14항에 있어서,상기 miRNA는 miRNA 전구체(miRNA precursor), 일차 miRNA (pri-miRNA) 또는 플라스미드 (plasmid) 형태의 miRNA 전구체인, 약학적 조성물.
- 제14항에 있어서,상기 암은 유방암, 대장암, 자궁암, 나팔관암, 난소암, 위암, 뇌암, 두경부암, 직장암, 소장암, 식도암, 임파선암, 담낭암, 폐암, 피부암, 신장암, 방광암, 혈액암, 췌장암, 전립선암, 갑상선암, 내분비선암, 구강암, 간암 및 혈액암으로 이루어진 군에서 선택되는, 약학적 조성물.
- 제14항에 있어서,상기 발현 벡터는 비바이러스성 벡터 또는 바이러스성 벡터인, 약학적 조성물.
- 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효 성분으로 포함하는 암의 전이의 예방 또는 치료용 약학적 조성물.
- 암을 예방 또는 치료하기 위하여, 치료를 필요로 하는 대상체에 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효량으로 투여하는 단계를 포함하는, 암의 예방 또는 치료 방법.
- 암 줄기세포의 성장을 억제하기 위하여, 치료를 필요로 하는 대상체에 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효량으로 투여하는 단계를 포함하는, 암 줄기세포의 성장 억제 방법.
- 암의 전이를 예방 또는 치료하기 위하여, 치료를 필요로 하는 대상체에 서열번호 1 내지 3 중 어느 하나의 염기서열로 표시되는 종자 서열(seed sequence)을 포함하는 miRNA; 이를 포함하는 발현 벡터; 또는 상기 발현 벡터로 형질 전환된 형질 전환체를 유효량으로 투여하는 단계를 포함하는, 암의 전이의 예방 또는 치료 방법.
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