WO2022164269A1 - 악성 유방암의 치료 또는 예방용 약학적 조성물 - Google Patents
악성 유방암의 치료 또는 예방용 약학적 조성물 Download PDFInfo
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- WO2022164269A1 WO2022164269A1 PCT/KR2022/001622 KR2022001622W WO2022164269A1 WO 2022164269 A1 WO2022164269 A1 WO 2022164269A1 KR 2022001622 W KR2022001622 W KR 2022001622W WO 2022164269 A1 WO2022164269 A1 WO 2022164269A1
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Definitions
- the present invention relates to a pharmaceutical composition for the treatment or prevention of malignant breast cancer.
- Breast cancer is known as a cancer that is clinically and pathologically very complex and exhibits various aspects. Recently, as various targeted therapeutics that are effective in treating breast cancer have been developed, breast cancer has also been gradually classified according to the presence or absence of expression of the therapeutic target.
- breast cancer is evaluated at the genetic level according to the gene expression pattern.
- Breast cancer was detected by DNA microarray method, Luminal A (estrogen receptor positive, HER2 negative); Luminal B (estrogen receptor positive, HER2 positive); HER2 overexpressed (HER2-enriched) (estrogen receptor negative, HER2 positive); It was classified into basal-like (estrogen receptor negative, HER2 negative) and normal type.
- basal-like breast cancer is a group that does not mainly have hormone receptors and does not express HER2/neu, and it is known that there are many early recurrences and a poor prognosis compared to the rest of the groups.
- the classification method according to the gene expression pattern is difficult to apply clinically.
- a method for classifying breast cancer by the presence or absence of hormone receptor and HER2 expression through immunohistochemical staining is used.
- triple-negative breast cancer TNBC
- the expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) are all negative in immunohistochemical staining.
- Phosphorus breast cancer accounts for 10-15% of all breast cancers.
- the rate of triple-negative breast cancer is high in Asian countries including Korea.
- Triple-negative breast cancer is not strictly consistent with basal-like breast cancer, but because it shows a very similar clinical course, it is considered the same in the actual clinical environment.
- Triple-negative breast cancer has a relatively poor prognosis and a lower survival rate than non-triple-negative breast cancer patients.
- the prognosis of these breast cancers may differ depending on the molecular subtype of the breast tumor.
- cancers with positive estrogen receptor expression eg, luminal A, luminal B
- luminal A, luminal B may have a better prognosis than other molecular subtypes of breast cancer.
- cancers with a positive expression level of HER2 may have a better prognosis than triple negative cancers (eg, basal type), depending on the development of HER receptor blockers.
- effective therapeutic agents may also differ depending on the molecular subtype of the breast tumor.
- the estrogen receptor antagonist, tamoxifen may be an effective treatment
- cancers in which the expression level of HER2 is positive eg, HER2
- an anti-HER2 antibody, a HER-activated receptor tyrosine kinase inhibitor eg, lapatinib
- lapatinib HER-activated receptor tyrosine kinase inhibitor
- luminal type A is the least aggressive breast cancer, and nearly 70% of breast cancer patients are diagnosed with luminal type A, and anti-ERa therapy is possible due to estrogen receptor alpha (ER ⁇ ) expression.
- ER ⁇ estrogen receptor alpha
- triple-negative breast cancer which is refractory to conventional anticancer drugs
- a breast cancer subtype that responds to conventional anticancer therapy
- it can be an effective and new drug therapy, which will realize personalized medicine and target treatment of patients. It will contribute to the improvement of the survival rate and quality of life due to unnecessary anticancer drug treatment.
- the present inventors made intensive research efforts to develop an effective method for treating triple-negative breast cancer (and basal-positive breast cancer), which is a malignant breast cancer that exhibits estrogen receptor (ER)-negative.
- the present inventors constructed a signal transduction network using epidemiological information and each patient data, and analyzed the pattern of growth signal flow in the disease-causing cells, thereby establishing HDAC1/2 as an effective drug target for triple-negative breast cancer cells.
- BCL11A were discovered.
- HDAC1/2 and BCL11A were inhibited, the signaling pathway of EGFR-ERK was inhibited, and Er ⁇ (Estrogen receptor alpha), which was not shown in triple-negative breast cancer cells, was expressed as well as activation of related signaling pathways.
- one object of the present invention is to provide a composition for transdifferentiation of estrogen receptor (ER)-negative breast cancer into luminal breast cancer.
- Another object of the present invention is to provide a composition for enhancing estrogen receptor (ER)-negative anticancer drug sensitivity of breast cancer.
- Another object of the present invention is to provide an estrogen receptor (ER)-negative anticancer adjuvant for breast cancer.
- ER estrogen receptor
- Another object of the present invention is to provide a pharmaceutical composition for the treatment or prevention of estrogen receptor (ER)-negative breast cancer.
- Another object of the present invention is to provide a food composition for preventing or improving estrogen receptor (ER)-negative breast cancer.
- Another object of the present invention is to provide a method for inducing in vitro transdifferentiation of estrogen receptor-negative breast cancer into luminal breast cancer.
- Another object of the present invention is to provide a method for screening a drug for enhancing the sensitivity of an estrogen receptor (ER)-negative breast cancer to an anticancer agent.
- ER estrogen receptor
- Another object of the present invention is to provide a method for transdifferentiation of estrogen receptor (ER)-negative breast cancer into luminal breast cancer.
- Another object of the present invention is to provide a method for treating or preventing estrogen receptor (ER)-negative breast cancer.
- the present invention comprises a B-cell lymphoma / leukemia 11A (BCL11A) inhibitor and an HDAC1/2 (Histone deacetylase 1/2) inhibitor as an active ingredient, estrogen receptor (ER)- Provided is a composition for transdifferentiation of negative breast cancer into luminal breast cancer.
- BCL11A B-cell lymphoma / leukemia 11A
- HDAC1/2 Histone deacetylase 1/2
- ER estrogen receptor
- the luminal breast cancer may be one or more selected from the group consisting of luminal type A (Luminal A) and luminal type B (Luminal B).
- breast cancer refers to a mass consisting of cancer cells generated in the breast.
- Breast cancer can be a type of cancer that originates in the lobules of the breast that supply milk to the mammary gland or the inner lining of the mammary gland. Cancers originating from the mammary gland may be ductal carcinomas, and cancers originating from lobules may be lobular carcinomas. Occasionally, sites of dislocation by the breast may include bones, liver, lungs and brain. Breast cancer occurs in humans and other mammals. In humans, most breast cancer occurs in women, but it can also occur in men. Treatment for breast cancer may include surgery, medication (hormonal therapy and chemotherapy), radiation therapy, and/or immunotherapy/targeted therapy.
- the ER-negative breast cancer is at least one selected from the group consisting of progesterone receptor (PR) and human epidermal factor receptor 2 (HER2).
- PR progesterone receptor
- HER2 human epidermal factor receptor 2
- Negative including Triple-Negative Breast Cancer (TNBC) or basal-like breast cancer.
- breast cancer in the present invention depending on the expression of the target (receptor), luminal A type (Luminal A) (estrogen receptor positive, HER2 negative); Luminal B (estrogen receptor positive, HER2 positive); HER2 overexpressed (HER2-enriched) (estrogen receptor negative, HER2 positive); basal-like (estrogen receptor negative, HER2 negative); and triple-negative breast cancer (TNBC) (estrogen receptor negative, progesterone receptor negative, HER2 negative).
- luminal A type Luminal A
- Luminal B estrogen receptor positive, HER2 positive
- HER2 overexpressed HER2-enriched
- basal-like estrogen receptor negative, HER2 negative
- TNBC triple-negative breast cancer
- basal-positive breast cancer and triple-negative breast cancer are both malignant breast cancers that do not have hormone (estrogen) receptors and do not express HER2. Because they are shown, they are judged the same in clinical practice.
- the basal-like or triple-negative described while referring to the target ER-negative breast cancer in the Examples of the present invention is that the target gene of the present invention can achieve the target effect.
- the target gene of the present invention can achieve the target effect.
- the BCL11A inhibitor and HDAC1/2 inhibitor of the present invention may also include any inhibitor as long as they can inhibit BCL11A and HDAC1/2, which are targets of the present invention, for example, the inhibitor includes the target gene BCL11A and It may include, but is not limited to, inhibiting the expression of nucleotides of HDAC1/2 or the activity of BCL11A and HDAC1/2 proteins.
- the BCL11A inhibitor is an antisense oligonucleotide that complementarily binds to the mRNA of the BCL11A gene, siRNA (small interference RNA), shRNA (short hairpin RNA), miRNA (microRNA), and ribozyme ) is at least one selected from the group consisting of;
- the HDAC1/2 inhibitor is an antisense oligonucleotide that complementarily binds to the mRNA of the HDAC1/2 gene, siRNA (small interference RNA), shRNA (short hairpin RNA), miRNA (microRNA) and a group consisting of ribozyme) It may be at least one selected from
- the BCL11A inhibitor is at least one selected from the group consisting of a compound that specifically binds to the BCL11A protein, a peptide, a peptidomimetic, a matrix analog, an aptamer, and an antibody;
- the HDAC1/2 inhibitor may be at least one selected from the group consisting of a compound that specifically binds to the HDAC1/2 protein, a peptide, a peptidomimetic, a matrix analog, an aptamer, and an antibody.
- the BCL11A inhibitor and the HDAC1/2 inhibitor of the present invention are EGFR (Epidermal) of ER-negative breast cancer, such as Triple-Negative Breast Cancer (TNBC) or basal-like breast cancer (BLBC). decrease the expression level or activity of growth factor receptor) and ERK1/2 (Extracellular signal-regulated kinase 1/2); It is characterized by increasing the expression level or activity of Estrogen receptor alpha (Er ⁇ ).
- TNBC Triple-Negative Breast Cancer
- BLBC basal-like breast cancer
- Er ⁇ Estrogen receptor alpha
- the present inventors constructed a molecular regulatory network model that can represent the biological conditions of basal-like breast cancer cells and luminal type A breast cancer cells, and applied a complex network control strategy, Potential targets capable of inducing basal-to-luminal transition (BLT) from the most invasive basal-like breast cancer type to luminal type A were identified.
- BLT basal-to-luminal transition
- BCL11A and HDAC1/2 were discovered as novel targets capable of reprogramming BLT, and were verified through simulation analysis and cell line experiments.
- HDAC1/2 and HDAC1/2 as an effective drug target for triple-negative breast cancer cells by constructing a signaling network using epidemiological information and each patient data, and analyzing the pattern of growth signal flow in the disease-causing cells BCL11A was discovered.
- HDAC1/2 and BCL11A were inhibited, the signaling pathway of EGFR-ERK was inhibited, and ER ⁇ , which was not shown in triple-negative breast cancer cells, was expressed as well as the related signaling pathway was activated.
- the present invention comprises the step of treating the BCL11A (B-cell lymphoma/leukemia 11A) inhibitor and HDAC1/2 (Histone deacetylase 1/2) inhibitor to estrogen receptor (ER)-negative breast cancer cells.
- BCL11A B-cell lymphoma/leukemia 11A
- HDAC1/2 Histone deacetylase 1/2
- the present invention includes the BCL11A (B-cell lymphoma/leukemia 11A) inhibitor and HDAC1/2 (Histone deacetylase 1/2) inhibitor as active ingredients, ER-negative breast cancer treatment Anti-cancer adjuvant may be provided.
- BCL11A B-cell lymphoma/leukemia 11A
- HDAC1/2 Histone deacetylase 1/2
- the anticancer adjuvant means that the anticancer effect of the anticancer agent can be enhanced by administering it in combination with the anticancer agent when the anticancer agent is administered.
- HDAC1/2 and BCL11A inhibition transdifferentiates triple-negative breast cancer cells into luminal type A breast cancer cells treatable with anti-ER ⁇ therapy
- conventional anti-cancer drugs-refractory triple-negative breast cancer cells can be used for anticancer drugs.
- the effect of anticancer drugs can be doubled.
- the adjuvant of the present invention may be administered simultaneously with the anticancer drug (simutaneous), separately (separate) or sequentially (sequential).
- the order of administration of the anticancer adjuvant according to the present invention that is, which of the anticancer agent and the anticancer adjuvant will be administered at any time, simultaneously, individually or sequentially may be determined by a doctor or an expert. This order of administration may depend on many factors.
- the present invention provides a composition for transdifferentiation of ER-negative breast cancer into luminal breast cancer, comprising the HDAC1/2 inhibitor and the BCL11A inhibitor as active ingredients; and an anticancer agent; as an active ingredient, it provides a pharmaceutical composition for the treatment or prevention of ER-negative breast cancer.
- the anticancer agent includes all anticancer agents that can be used clinically, pharmaceutical, and biomedically as long as the HDAC1/2 inhibitor and the BCL11A inhibitor of the present invention can achieve the desired effect, preferably, luminal type A, hormone receptor-positive breast cancer hormone therapy for breast cancer patients.
- the hormone therapy agent is selected from the group consisting of a selective estrogen receptor modulator (SERM), a selective estrogen receptor degradation agent (SERD), and an aromatase inhibitor (AI). It is preferably at least one selected type, and more preferably a selective estrogen receptor modulator (SERM) or a selective estrogen receptor degrading agent (SERD), which is an ER ⁇ -targeting agent.
- SERM selective estrogen receptor modulator
- SESD selective estrogen receptor degradation agent
- AI aromatase inhibitor
- the SERM is, for example, tamoxifen, toremifene, raloxifene, apeledoxifen, osfemifene, droloxifene or iodoxifen.
- the SERD is, for example, fulvestrant, RAD1901, ARN-810 (GDC0810), or AZD9496.
- the AI is, for example, exemestane, anastrozole, letrozole, vorozole, formestane or fadrozole.
- the term "comprising as an active ingredient” means including an inhibitor, which is an active ingredient of the present invention, in an amount sufficient to achieve a predetermined efficacy or activity.
- the HDAC1/2 inhibitor and the BCL11A inhibitor may be administered in pharmaceutically effective amounts, and the effective dose level may vary depending on the type and age of the subject, sex, sensitivity to drugs, treatment period, concurrently used drugs, and other medical factors. can be decided.
- composition according to an embodiment of the present invention may be administered as an individual therapeutic agent or may be administered in combination with other therapeutic agents, and may be administered sequentially or simultaneously with existing therapeutic agents.
- the daily dose of the pharmaceutical composition may be 0.01 to 500 mg/kg, and may be administered once to several times a day, but the patient's weight, age, sex, health status, diet, administration time, administration method, In consideration of the excretion rate, the severity of the disease, etc., it can be easily determined by a person skilled in the art in an amount capable of obtaining the maximum effect without side effects.
- the pharmaceutical composition may be administered by various routes such as oral, subcutaneous, intraperitoneal, intrapulmonary, intranasal, intramuscular, intravenous and arterial.
- composition of the present invention may be formulated to include a pharmaceutically acceptable carrier, excipient and/or diluent in addition to the active ingredient.
- the pharmaceutical preparation may be formulated in the form of oral dosage forms such as powders, granules, tablets, coated tablets, capsules, suspensions, emulsions, syrups, suppositories, aerosols, external preparations, suppositories, or injections, but is not limited thereto. .
- the pharmaceutical formulation may be prepared by further mixing one or more excipients, for example, starch, lactose, gelatin, sucrose, lubricants, preservatives, fragrances, sweeteners, and the like.
- excipients for example, starch, lactose, gelatin, sucrose, lubricants, preservatives, fragrances, sweeteners, and the like.
- composition of the present invention may contain one or more known active ingredients having a preventive or therapeutic effect on the target breast cancer of the present invention together with an HDAC1/2 inhibitor, a BCL11A inhibitor, and an anticancer agent.
- composition of the present invention may further include a pharmaceutically acceptable additive, wherein the pharmaceutically acceptable additive includes starch, gelatinized starch, microcrystalline cellulose, lactose, povidone, colloidal silicon dioxide, calcium hydrogen phosphate, and lactose.
- the pharmaceutically acceptable additive includes starch, gelatinized starch, microcrystalline cellulose, lactose, povidone, colloidal silicon dioxide, calcium hydrogen phosphate, and lactose.
- mannitol, syrup, gum arabic, pregelatinized starch, corn starch, powdered cellulose, hydroxypropyl cellulose, Opadry, sodium starch glycolate, carnauba wax, synthetic aluminum silicate, stearic acid, magnesium stearate, aluminum stearate, calcium stearate, Sucrose and the like may be used.
- the pharmaceutically acceptable additive according to the present invention is preferably included in an amount of 0.1 to 90 parts by weight based on the composition, but is not limited thereto.
- composition of the present invention may be administered in various oral or parenteral formulations during actual clinical administration.
- formulation commonly used diluents or excipients such as fillers, extenders, binders, wetting agents, disintegrants, surfactants, etc. are used. and suitable formulations known in the art are preferably those disclosed in the literature (Remington's Pharmaceutical Science, recently Mack Publishing Company, Easton PA).
- the solid preparation for oral administration includes tablets, pills, powders, granules, capsules, etc., and these solid preparations include at least one excipient, for example, starch, calcium carbonate, sucrose, or It is prepared by mixing lactose and gelatin. In addition to simple excipients, lubricants such as magnesium stearate talc are also used.
- the liquid formulations for oral administration include suspensions, internal solutions, emulsions, syrups, etc.
- various excipients for example, wetting agents, sweeteners, fragrances, preservatives, etc. may be included.
- the formulations for parenteral administration include sterile aqueous solutions, non-aqueous solutions, suspensions, emulsions, lyophilized formulations, and suppositories.
- Non-aqueous solvents and suspensions may include propylene glycol, polyethylene glycol, vegetable oils such as olive oil, and injectable esters such as ethyl oleate.
- injectable esters such as ethyl oleate.
- witepsol, macrogol, tween 61, cacao butter, laurin, glycerogelatin, and the like can be used as a base of the suppository.
- the dosage of the pharmaceutical composition of the present invention may vary depending on the formulation method, administration method, administration time and/or route of administration of the pharmaceutical composition, and the type and degree of response to be achieved by administration of the pharmaceutical composition. , various factors including the type of subject to be administered, age, weight, general health, symptoms or severity of disease, sex, diet, excretion, components of drugs or other compositions used simultaneously or at the same time in the subject; It may vary depending on similar factors well known in the medical field, and a person skilled in the art can easily determine and prescribe an effective dosage for a desired treatment.
- the dosage of the pharmaceutical composition of the present invention is preferably administered at a concentration of, for example, 0.01 to 500 mg/kg, but the dosage does not limit the scope of the present invention in any way.
- the route and mode of administration of the pharmaceutical composition of the present invention may be each independent, and the method is not particularly limited, and any route and mode of administration as long as the pharmaceutical composition can reach the desired site. can follow
- the pharmaceutical composition may be administered by oral administration or parenteral administration.
- the parenteral administration method includes, for example, intravenous administration, intraperitoneal administration, intramuscular administration, transdermal administration, or subcutaneous administration.
- the pharmaceutical composition of the present invention may be used alone or in combination with methods using surgery, radiation therapy, hormone therapy, chemotherapy, and biological response modifiers for the prevention or treatment of target indications.
- the present invention includes the BCL11A (B-cell lymphoma/leukemia 11A) inhibitor and HDAC1/2 (Histone deacetylase 1/2) inhibitor as active ingredients for preventing or improving ER-negative breast cancer It provides a food composition for use and a health functional food containing the same.
- BCL11A B-cell lymphoma/leukemia 11A
- HDAC1/2 Histone deacetylase 1/2
- health functional food refers to food manufactured and processed using raw materials or ingredients having useful functions in the human body.
- 'functionality' refers to ingestion for the purpose of obtaining useful effects for health purposes such as regulating nutrients for the structure and function of the human body or physiological action.
- the food composition includes all types of functional foods, nutritional supplements, health foods, and food additives.
- the above types can be prepared in various forms according to conventional methods known in the art.
- the food composition may be formulated in the same manner as the pharmaceutical composition and used as a health functional food, and may be added to various foods.
- the composition of the present invention is added in an amount of 15% by weight or less, preferably 10% by weight or less, based on the raw material.
- the active ingredient can be used in an amount above the above range. have.
- the type of the food but examples of the food to which cucurbitacin D of the present invention can be added include meat, sausage, bread, chocolate, candy, snacks, confectionery, pizza, ramen, other noodles, gums, ice cream.
- dairy products including dairy products, various soups, beverages, teas, drinks, alcoholic beverages, vitamin complexes, etc., and includes all health foods in a normal sense.
- the food composition of the present invention may contain additional ingredients such as various flavoring agents or natural carbohydrates like conventional beverages.
- natural carbohydrate monosaccharides such as glucose and fructose, disaccharides such as maltose and sucrose, natural sweeteners such as dextrin and cyclodextrin, and synthetic sweeteners such as saccharin and aspartame may be used.
- the natural carbohydrate is included in an amount of 0.01 to 10% by weight, preferably 0.01 to 0.1% by weight, based on the total weight of the food composition of the present invention.
- the food composition of the present invention includes various nutrients, vitamins, electrolytes, flavoring agents, coloring agents, pectic acid and salts thereof, alginic acid and salts thereof, organic acids, protective colloidal thickeners, pH adjusters, stabilizers, preservatives, glycerin, alcohol, carbonic acid It may include a carbonation agent used in beverages, and may include, but is not limited to, natural fruit juice, fruit juice for the production of fruit juice beverages and vegetable beverages. These components may be used independently or in combination. Although the additive ratio is not particularly limited, it is preferably included in the range of 0.01 to 0.1% by weight based on the total weight of the food composition of the present invention.
- the present invention provides an estrogen receptor (ER)-negative breast cancer screening method for a drug for enhancing anticancer drug sensitivity, comprising the following steps:
- step (c) The expression levels of BCL11A (B-cell lymphoma/leukemia 11A) and HDAC1/2 (Histone deacetylase 1/2) measured in step (b) were higher than the isolated malignant breast cancer cells that were not treated with the candidate substance. If it is low, determining that the candidate material can be used as a drug for enhancing anticancer drug sensitivity for the treatment of ER-negative breast cancer.
- BCL11A B-cell lymphoma/leukemia 11A
- HDAC1/2 Histone deacetylase 1/2
- the anticancer drug sensitivity enhancement drug refers to a substance that increases the sensitivity of tumor cells to an anticancer agent or helps the anticancer agent to act specifically on tumor cells to achieve a therapeutic effect even with a small dose do.
- candidate substance used while referring to the screening method of the present invention refers to an unknown test substance used in screening to test whether it affects the expression level of a gene or affects the expression or activity of a protein do.
- candidate substances include, but are not limited to, compounds, nucleotides, proteins, antibodies, and natural product extracts, for example.
- the assay for measuring the expression level of BCL11A and HDAC1/2 is for detecting the BCL11A and HDAC1/2 mRNA, and is a reverse transcription polymerase reaction, a competitive reverse transcription polymerase reaction, a real-time reverse transcription polymerase reaction, an RNase protection assay (RPA). , Northern blotting and may be one or more selected from the group consisting of a DNA chip, but is not limited thereto.
- the assay for measuring the expression level of BCL11A and HDAC1/2 is for detecting the BCL11A and HDAC1/2 protein, and includes Western blotting, ELISA (Enzymelinked immunosorbent assay), ELLA (enzyme-linked lectin assay), and radioimmunoassay.
- radiation immunodiffusion method, Ouchterlony immunodiffusion method, rocket immunoelectrophoresis, immunohistochemical staining, immunoprecipitation analysis, complement fixation analysis, FACS and protein chip may be at least one selected from the group consisting of, but limited thereto it's not going to be
- ER-negative breast cancer is transformed into luminal type A breast cancer (transdifferentiation).
- a drug eg, an anticancer agent
- the candidate substance can be used as a drug for enhancing sensitivity to an anticancer agent for the treatment of ER-negative breast cancer.
- the activity measurement can be easily judged according to the expression level of BCL11A and HDAC1/2.
- BLT is induced to transform basal-positive or triple-negative breast cancer into a luminal type A breast cancer subtype that responds to anticancer therapy, that is, hormone treatment is possible. Therefore, it can be an effective and new drug treatment that has not been attempted before, and it can contribute to improving the quality of life due to unnecessary anticancer drug treatment as well as increasing the survival rate of patients through targeted treatment by realizing personalized medicine.
- 1 shows a DEG analysis result for constructing a BLT network model.
- 1A shows a group of genes that are relatively highly expressed for each type using TCGA data. Among them, the gene with the greatest difference in expression (red) was selected and included in the network as a marker gene for each triple-negative breast cancer and luminal type A.
- 1B shows as a box graph whether triple-negative breast cancer genes among the selected genes were expressed higher in the triple-negative breast cancer cell line than in the luminal type A cell line in CCLE data.
- 1C shows as a box graph whether luminal type A genes among the selected genes were expressed higher in the luminal type A cell line than in the triple negative breast cancer cell line in CCLE data.
- FIGS. 1D and 1E were verified through METABRIC data
- FIGS. 1F and 1G were verified through TCGA data.
- 2 shows a cell line-specific BLT network model created by mapping genomic information of a basal-like cell line.
- 2A is a complete network.
- 2B is a network mapped using CNA
- 2C is RNA expression
- 2D is mutation information.
- 2E is a network in which a measure called functional genomic alternation is created using all of the above genomic information and the information is mapped.
- 2F is a network of cell lines created by mapping the genomic information of the cell line to be used in each experiment.
- FIG. 3 shows the mechanism of BLT induced by KO of BCL11A and HDAC1/2.
- Figure 3A shows the state change of other genes in the network when the found gene is controlled.
- 3B is the mechanism of major genes among the changes shown in 3A.
- 3C is a control mechanism of the signaling pathway when each gene is controlled based on the mechanism.
- Figure 4 shows the dynamic stability of the modified attractor after KO of BCL11A and HDAC1/2.
- Figure 4A is the phenotype ratio of each attractor when each gene is controlled in the MDAMB231 cell line.
- Figure 4B is the phenotype ratio of each attractor when each gene is controlled in the BT20 cell line.
- Figure 5 shows the effect of BCL11A and HDAC1/2 KO on the expression of ESR1 mRNA and ER ⁇ .
- 5A shows the result of reduced expression of the BCL11A gene in the MDAMB231 cell line by knockdown using shRNA.
- Figure 5B shows the gene expression change of ESR1 after controlling the expression of each target gene in the MDAMB231 cell line.
- Figure 5C shows the result of reduced expression of the BCL11A gene in the BT20 cell line by knockdown using shRNA.
- Figure 5D shows the change in the gene expression of ESR1 after controlling the expression of each target gene in the BT20 cell line after controlling the expression of each gene.
- Figure 5E shows the results of changes in the marker proteins of ERa and triple-negative breast cells after controlling the expression of each target gene in the MDAMB231 cell line.
- 5F shows the results of changes in the marker proteins of ERa and triple-negative breast cells after controlling the expression of each target gene in the BT20 cell line.
- FIG. 6 shows tamoxifen drug response after BCL11A and HDAC1/2 KO.
- Figure 6A shows the growth rate of the cell response to the tamoxifen drug after controlling the expression of each target gene in the MDAMB231 cell line.
- Figure 6B shows the growth rate of the cell response to the tamoxifen drug after controlling the expression of each target gene in the BT20 cell line.
- Figure 6C shows the change of cells in response to the tamoxifen drug for each condition in the MDAMB231 cell line.
- Figure 6D shows the changes in cells for each condition in the tamoxifen drug in the BT20 cell line.
- FIG. 7 shows tamoxifen drug response after overexpression of BCL11A and HDAC1/2.
- 7A is a graph showing the results of overexpression of each target gene in the T47D cell line.
- Figure 7B is the mRNA change of ESR1 after overexpression.
- Figure 7C is the mRNA change of EGFR after overexpression.
- 7D shows the results of changes in marker proteins of ERa and triple-negative breast cells after overexpression.
- Figure E shows the cellular changes to the tamoxifen drug for each condition.
- Figure 7F shows the growth rate of the cells responding to the tamoxifen drug after controlling the expression of each target gene of BT20.
- Figure 7G shows the response of the cells to the drug tamoxifen by staining the cells. 7H to 7K, the same experiment was applied in the MCF7 cell line to verify that mRNA and protein expression changes were similar.
- 8 shows the results of analysis of the survival rate of patients according to the expression of BCL11A and HDAC1/2.
- 8A to 8C are results of analysis of survival rates according to high and low levels of expression of each gene in METABRIC triple-negative breast cancer patients.
- 8D to 8F are results of analysis of survival rates according to the high and low expression of each gene in METABRIC lumen type A patients.
- 8G to 8I are results of analysis of survival rates according to the high and low expression of each gene in two groups of METABRIC patients.
- 8J to 8L are the results of analysis of survival rates according to the high and low expression of each gene in TCGA triple-negative breast cancer patients.
- 8M to 8O are results of analysis of survival rates according to the high and low expression of each gene in TCGA luminal type A patients.
- 8P to 8R are the results of analysis of survival rates according to the high and low expression of each gene in two TCGA patient groups.
- 9 shows the results of the patient's tamoxifen drug response according to the expression of BCL11A and HDAC1/2.
- 9A is a bar graph showing the results of the tamoxifen drug response after dividing the patient groups according to the expression of each gene.
- 9B to 9C show through GSVA analysis that the gene expression pattern of each divided patient group is close to the luminal type A gene expression pattern when all of the target genes are suppressed.
- Example 1 DEG analysis to construct a basal-to-luminal transition (BLT) network model
- the present inventors studied basal-like breast cancer and triple-negative breast cancer (TNBC) types, which are malignant breast cancer types with common estrogen receptor-negative (ER-) and HER2-negative (HER2-) types, To explore molecular regulatory interactions during basal-to-luminal transition (BLT) from basal-like or triple negative breast cancer types, a BLT network model was constructed.
- TNBC basal-like breast cancer and triple-negative breast cancer
- ER- estrogen receptor-negative
- HER2- HER2-negative
- the present inventors compared the mRNA expression profiles of patients with basal-type breast cancer and luminal type A breast cancer of The Cancer Genome Atlas (TCGA) and identified DEG in the corresponding type.
- a top-level DEG list from both types (Fig. 1A) was selected and included as a participating component in the network model.
- patterns of differentially expressed genes in the corresponding types of TCGA were identified using the DEG taxonomy in Cancer Cell Lines Encyclopedia (CCLE) and Breast Cancer International Consortium (METABRIC) (FIGS. 1B-G).
- a specific and essential network model was constructed for basal-like breast cancer and luminal type A breast cancer, consisting of a total of 30 nodes and 73 links through the above-described data analysis.
- CNA gene copy number variation
- mRNA expression level mRNA expression level
- gene mutation which are genomic information of each cell line in CCLE data.
- a functional genomic profile of each cell line was constructed using the information.
- networks having specific genomic information for the cell line were constructed by substituting the results into the cell line.
- Example 1 Based on the results of Example 1, the present inventors found that when a certain gene node is controlled through a logical domain of influence (LDOI)-based target control strategy, which is one of the network control methods, the lumen in a basal-like network Whether transdifferentiation was reprogrammed into the A-type network, ERa, which is a typical characteristic of luminal A, and the activity of nodes highly expressed in luminal A were analyzed.
- LDOI logical domain of influence
- the present inventors confirmed the mechanism of BLT induced by knockout (KO) of BCL11A and HDAC1/2 based on the results of Example 2 above.
- the extended network provided by the LDOI-based targeted control strategy resembles a hypergraph that incorporates the regulatory interactions and dynamics of the network. Therefore, the interaction of BCL11A and HDAC1/2 with other network components was analyzed using the extended network of the BLT model. As a result, the expanded network includes the states of all states of the network components and includes all possible initial states with the target state, the luminal A phenotype.
- the present inventors compared the phenotypic landscape with the attractor landscape of the network constructed when each target gene selected through the network analysis was controlled.
- An attractor is a state within a network model that can be defined as the binary activity of a molecule within the network.
- the phenotype changes to 100% luminal type A when all of the genes are controlled than when each gene is controlled.
- the present inventors conducted basal positive and triple negative breast cancer cell lines MDA-MB231 (ER-/PR-/HER2-) and BT20 (ER -/PR-/HER2-) When the BCL11A and HDAC1/2 genes in cells were suppressed, it was confirmed that the expression levels of ESR1 mRNA and Er ⁇ were changed.
- the BCL11A inhibitor shBCL11A (GCATAGACGATGGCACTGTTA; SEQ ID NO: 1) designed to target the BCL11A gene was used, and as the HDAC1/2 inhibitor, romidepsin(R), a HDAC1/2 target drug, was used.
- ERa which is a luminal type A marker receptor
- basal-positive and triple-negative cell lines were induced to transform into luminal A-type cell lines by BCL11A and HDAC1/2 KO, thereby expressing ESR1 and ER ⁇ , which are characteristic of luminal A-type cell lines.
- the present inventors found that, based on the results of Example 5, transdifferentiation of a basal-type cell line into a luminal A-type cell line was induced by BCL11A and HDAC1/2 KO, thereby making it susceptible to antihormonal treatment targeting ER ⁇ .
- MDA-MB231 and BT20 cells were treated with tamoxifen, an ER ⁇ target drug for luminal breast cancer patients as an anti-hormonal agent.
- each cell was plated 1x10 4 each (3 repetitions for each condition; triplicate) and 24 hours later, tamoxifen (10 uM) was treated with Incucyte for 72 hours at 3 hour intervals. Taking pictures and monitoring. After that, by calculating the cell confluency of the photograph taken, the sensitivity of the cells to various drugs was graphed.
- control cells did not show sensitivity
- BCL11A KD knockdown cells using shBCL11A and HDAC1/2 inhibitory cells using romidepsin (HDAC1/2 inhibitor) were It showed some sensitivity to Tamoxifen (Tam).
- the present inventors confirmed the drug response to tamoxifen in human breast cancer cell lines T47D and MCF7 upon overexpression of BCL11A and HDAC1/2 (OE).
- the present inventors additionally analyzed the METABRIC and TCGA databases to confirm the effect of BCL11A and HDAC1/2 expression on the survival rate of patients.
- the present inventors additionally analyzed Gene Set Variation Analysis (GSVA) to confirm the effect of BCL11A and HDAC1/2 expression on tamoxifen drug response in breast cancer patients.
- GSVA Gene Set Variation Analysis
- the patient group with low expression of both genes showed higher sensitivity to the tamoxifen drug than the patient group with high BCL11A and HDAC1/2 expression.
- the gene expression pattern of the BCL11A and HDAC1/2 overexpression patient group was enriched in the EGFR signaling pathway or the basal gene group, whereas the BCL11A and HDAC1/2 low expression patient group
- the gene expression pattern of ER was prominent in the ER signaling pathway or the luminal type A gene group.
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Abstract
Description
Claims (17)
- BCL11A(B-cell lymphoma/leukemia 11A) 억제제 및 HDAC1/2(Histone deacetylase 1/2) 억제제를 유효성분으로 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성(Negative) 유방암의 내강형(Luminal) 유방암으로의 전환분화(transdifferentiation)용 조성물.
- 제1항에 있어서,상기 ER-음성 유방암은, 프로게스테론 수용체(progesterone receptor; PR) 및 인간 상피세포 성장인자 수용체 2(human epidermal factor receptor 2; HER2)로 이루어진 군으로부터 선택된 1 종 이상이 음성인 것을 특징으로 하는, 조성물.
- 제1항에 있어서,상기 ER-음성 유방암은 삼중 음성 유방암(Triple-Negative Breast Cancer, TNBC) 또는 기저양 유방암(basal-like breast cancer, BLBC)인 것을 특징으로 하는, 조성물.
- 제1항에 있어서,상기 내강형 유방암은 내강 A형(Luminal A) 및 내강 B형(Luminal B)으로 이루어진 군으로부터 선택된 1 종 이상인 것을 특징으로 하는, 조성물.
- 제1항에 있어서,상기 BCL11A 억제제는 BCL11A 유전자의 mRNA에 상보적으로 결합하는 안티센스 올리고뉴클레오타이드, siRNA(small interference RNA), shRNA(short hairpin RNA), miRNA(microRNA) 및 리보자임(ribozyme)으로 이루어진 군으로부터 선택된 1 종 이상이고;상기 HDAC1/2 억제제는, HDAC1/2 유전자의 mRNA에 상보적으로 결합하는 안티센스 올리고뉴클레오타이드, siRNA(small interference RNA), shRNA(short hairpin RNA), miRNA(microRNA) 및 리보자임(ribozyme)으로 이루어진 군으로부터 선택된 1 종 이상인 것을 특징으로 하는, 조성물.
- 제1항에 있어서,상기 BCL11A 억제제는, BCL11A 단백질에 특이적으로 결합하는 화합물, 펩티드, 펩티드 모방체, 기질유사체, 앱타머 및 항체로 이루어진 군으로부터 선택된 1 종 이상이고;상기 HDAC1/2 억제제는, HDAC1/2 단백질에 특이적으로 결합하는 화합물, 펩티드, 펩티드 모방체, 기질유사체, 앱타머 및 항체로 이루어진 군으로부터 선택된 1 종 이상인 것을 특징으로 하는, 조성물.
- 제1항에 있어서,상기 BCL11A 억제제 및 HDAC1/2 억제제는, EGFR(Epidermal growth factor receptor) 및 ERK1/2(Extracellular signal-regulated kinase 1/2)의 발현 수준 또는 활성을 감소시키고; Erα(Estrogen receptor alpha)의 발현 수준 또는 활성은 증가시키는 것을 특징으로 하는, 조성물.
- 제1항 내지 제7항 중 어느 한 항의 전환분화용 조성물을 유효성분으로 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 항암제 민감성 증진용 조성물.
- 제1항 내지 제7항 중 어느 한 항의 전환분화용 조성물을 유효성분으로 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 항암 보조제.
- 제1항 내지 제7항 중 어느 한 항의 전환분화용 조성물; 및 항암제를 유효성분으로 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 치료 또는 예방용 약학적 조성물.
- 제10항에 있어서,상기 항암제는 선택적 에스트로겐 수용체 조절자(SERM), 선택적 에스트로겐 수용체 분해제(SERD) 및 아로마타제 억제제(AI)로 이루어진 군으로부터 선택된 1 종 이상인 것을 특징으로 하는, 조성물.
- 제11항에 있어서,상기 항암제는 ERα 표적 제제인 선택적 에스트로겐 수용체 조절자(SERM) 또는 선택적 에스트로겐 수용체 분해제(SERD)인 것을 특징으로 하는, 조성물.
- BCL11A(B-cell lymphoma/leukemia 11A) 억제제 및 HDAC1/2(Histone deacetylase 1/2) 억제제를 유효성분으로 포함하는 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 예방 또는 개선용 식품 조성물.
- BCL11A(B-cell lymphoma/leukemia 11A) 억제제 및 HDAC1/2(Histone deacetylase 1/2) 억제제를, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암 세포에 처리하는 단계를 포함하는, 에스트로겐 수용체-음성 유방암의 내강 형(Luminal) 유방암으로의 인 비트로 전환분화(transdifferentiation) 유도 방법.
- 다음 단계를 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 항암제 민감성 증진용 약물의 스크리닝 방법:(a) 분리된 ER-음성 유방암 세포에 후보물질을 처리하는 단계;(b) 상기 후보물질이 처리된 ER-음성 유방암 세포에서 BCL11A(B-cell lymphoma/leukemia 11A) 및 HDAC1/2(Histone deacetylase 1/2)의 발현 수준을 측정하는 단계; 및(c) 상기 (b) 단계에서 측정된 BCL11A(B-cell lymphoma/leukemia 11A) 및 HDAC1/2(Histone deacetylase 1/2)의 발현 수준이, 후보물질이 처리되지 않은 분리된 악성 유방암 세포에 비해 낮은 경우, 상기 후보물질을 ER-음성 유방암의 항암제 민감성 증진용 약물로 사용할 수 있을 것으로 판정하는 단계.
- 제1항 내지 제7항 중 어느 한 항의 전환분화용 조성물을 대상에게 투여하는 단계를 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성(Negative) 유방암의 내강형(Luminal) 유방암으로의 전환분화(transdifferentiation) 방법.
- 제1항 내지 제7항 중 어느 한 항의 전환분화용 조성물; 및 항암제를 대상에게 투여하는 단계를 포함하는, 에스트로겐 수용체(estrogen receptor; ER)-음성 유방암의 치료 또는 예방 방법.
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