WO2021006670A1 - 혼합물 4f를 이용한 줄기세포 생물학적 활성 증가용 조성물 - Google Patents
혼합물 4f를 이용한 줄기세포 생물학적 활성 증가용 조성물 Download PDFInfo
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Definitions
- the present invention relates to a composition for increasing the biological activity of stem cells using the mixture 4F.
- Ischemic vascular disease such as heart disease, cerebrovascular disease, and peripheral vascular disease
- the existing main treatment methods for this are medical treatment centered on drug administration, mechanical interventional treatment for blood vessels, and surgical bypass surgery, but ischemia in which a smooth supply of oxygen and nutrients did not occur even after all of these treatments were performed.
- ischemia in which a smooth supply of oxygen and nutrients did not occur even after all of these treatments were performed.
- angiogenesis therapy has been proposed to secure blood flow to the ischemic tissue and reduce tissue damage by promoting angiogenesis from the tissue around the ischemic region as an alternative treatment.
- vascular endothelial progenitor cells are cells that have already proven their effectiveness in repairing damaged blood vessels and regeneration of ischemic tissue, and until now, various studies have been attempted to promote angiogenesis by directly administering blood vessel-making cells. .
- adult stem cells are used for clinical application, but they can be extracted from the patient's own body and transplanted into necessary tissues, and have the advantage that there is no ethical problem compared to embryonic stem cells. have.
- there is a difficulty in leading to the commercialization stage due to the aging and functional decline of patient-derived cells due to Westernized diet and exercise reduction and aging.
- the present inventors completed the present invention by developing a mixture 4F containing fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor in order to solve the problems of the prior art as described above.
- an object of the present invention is to provide a composition for inhibiting aging, promoting proliferation, or inducing differentiation of stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- Another object of the present invention is to provide a pharmaceutical composition for preventing or treating ischemic diseases comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- Another object of the present invention is to provide a culture medium composition for stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- Another object of the present invention is to treat stem cells with a stem cell culture medium composition comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients on stem cells; It is to provide a culture method.
- Another object of the present invention is to provide a stem cell therapy adjuvant comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- Another object of the present invention is to provide stem cells cultured through the heterogeneous culture method.
- Another object of the present invention is to provide a pharmaceutical composition for preventing or treating ischemic diseases including the stem cells.
- the present invention provides a composition for inhibiting aging, promoting proliferation or inducing differentiation of stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the present invention provides a pharmaceutical composition for preventing or treating ischemic diseases comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the present invention provides a medium composition for culturing stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the present invention relates to a heterogeneous culture method comprising; treating stem cells with a stem cell culture medium composition comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients. to provide.
- the present invention provides a stem cell therapy adjuvant comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the present invention provides stem cells cultured through the heterogeneous culture method.
- the present invention provides a pharmaceutical composition for preventing or treating ischemic diseases including the stem cells.
- Stem cells treated with the mixture 4F according to the present invention not only acquire stemness, but also have the effect of improving cell proliferation and mobility, and improve cell survival and engraftment after stem cells are transplanted into the body. And since the tissue regeneration ability can be further increased, it can be used in various fields in the field of stem cell differentiation, ischemic disease prevention or treatment.
- 1 is a diagram showing the results of confirming the effect of the mixture 4F according to the present invention on the phenotype of cells.
- Figure 2 is a diagram showing the results of confirming the cell migration ability according to the treatment of the mixture 4F according to the present invention.
- Figure 3a is a diagram showing the results of confirming the blood vessel regeneration effect in the body after transplanting the cells treated with the mixture 4F according to the present invention in the lower limb ischemia animal model.
- 3B is a diagram showing an image of a vessel suture site on the third day after transplanting the GFP-tagged cells using an in vivo imaging technique.
- 4A is a result of evaluating cardiac function through measurement of ejection fraction and fractional shortening at 28 days after induction of myocardial infarction in a severe myocardial infarction animal model.
- 4B is a result of analyzing the degree of fibrosis of the myocardium by performing Masson's trichrome staining 28 days after induction of myocardial infarction in an animal model of severe myocardial infarction.
- 4C is a result of analyzing the engraftment and proliferation rate of cells in the myocardium by implanting cells labeled with GFP in a severe myocardial infarction model and performing immunostaining for PCNA 3 days later.
- Figure 5a is a diagram showing the results of analyzing the cell proliferation rate change according to the treatment of the mixture 4F according to the present invention.
- Figure 5b is a diagram showing the results of analyzing the cell cycle change according to the treatment of the mixture 4F according to the present invention.
- 5C is a diagram showing the results of analyzing cell senescence according to the treatment of mixture 4F according to the present invention.
- Figure 5d is a diagram showing the result of analyzing the colony formation ability according to the treatment of the mixture 4F according to the present invention.
- Figure 6a is a diagram showing the result of measuring the gene expression change of the undifferentiated stem cell-related marker according to the mixture 4F treatment of the present invention.
- 6B is a diagram showing a result of analysis of gene expression of an undifferentiated stem cell-related marker according to the mixture 4F treatment of the present invention as a principal component analysis and a heat map.
- FIG. 7 is a view showing the result of analyzing the mortality rate of undifferentiated stem cells according to the mixture 4F treatment of the present invention.
- Figure 8a is a diagram showing the analysis of the proliferation rate of undifferentiated stem cells according to the mixture 4F treatment of the present invention.
- 8B and 8C are diagrams showing the results of analysis of marker expression of undifferentiated stem cells according to the mixture 4F treatment of the present invention.
- 9A to 9E are diagrams showing the results of analysis of marker expression according to the treatment of the mixture 4F or single component of the present invention.
- FIG. 10 is a diagram showing the results of analyzing the angiogenic ability according to the mixture 4F or single component treatment of the present invention.
- FIG. 11 is a schematic diagram showing a heterogeneous culture method using a mixture 4F according to the present invention.
- FIG. 12 is a diagram showing the results of confirming the morphological characteristics of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- FIG. 13 is a diagram showing the results of analyzing gene expression of undifferentiated stem cell-related markers of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 14A is a diagram showing the results of analysis of proliferative capacity and colony-forming ability of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 14B is a diagram showing the results of cell cycle change analysis of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 15 is a diagram showing the results of analyzing the genetic similarity between vascular stem cells and control cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 16 is a diagram showing the results of analyzing gene ontology and categories of vascular stem cells and control cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 17A is a diagram showing the results of analysis of gene expression levels of vascular stem cells and control cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- 17B is a diagram showing changes in gene expression level in FIG. 17A as a heat map.
- FIG. 18 is a diagram showing the results of confirming the angiogenesis ability of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- FIG. 19 is a view showing the results of confirming the peripheral secretion angiogenesis effect of vascular stem cells cultured by a heterogeneous culture method using a mixture 4F according to the present invention.
- FIG. 20 is a diagram showing the results of confirming the blood vessel regeneration effect in the body after transplanting vascular stem cells cultured by a heterogeneous culture method using a mixture 4F in the lower limb ischemia animal model according to the present invention.
- FIG. 21 is a diagram showing an image of a vessel suture site after transplanting GFP-tagged cells using an in vivo imaging technique in the lower limb ischemia animal model according to the present invention.
- the present invention provides a composition for inhibiting aging, promoting proliferation or inducing differentiation of stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- mixture 4F means a mixture of fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor.
- stem cell refers to a cell that has the ability to differentiate into two or more cells while having self-replicating ability, a totipotent stem cell, a pluripotent stem cell, c It can be classified as a multipotent stem cell.
- the stem cells may be appropriately selected without limitation according to the purpose, and may be derived from adult cells such as mammals including humans, preferably all known tissues and cells derived from humans, for example, bone marrow, It can be derived from umbilical cord blood, placenta (or placental tissue cells), fat (or adipose tissue cells), and the like.
- the stem cells are limited from bone marrow, adipose tissue, muscle tissue, ex vivo cultured autologous mesenchymal stem cells, allogeneic mesenchymal stem cells, umbilical cord blood, embryonic yolk sac, placenta, umbilical cord, periosteum, fetal and puberty skin, and blood. It may be stem cells obtained without, and may be stem cells derived from a fetus or immediately after birth or from an adult.
- the stem cells are vascular endothelial progenitor cells, vascular stem cells, mesenchymal stem cells, embryonic stem cells, and muscle cells. It is selected from the group consisting of Myoblast and Cardiac Stem Cells, more preferably Endothelial Progenitor Cells or vascular stem cells, most preferably vascular endothelial It is an Endothelial Progenitor Cell.
- “senescence” refers to cell growth (cell growth) against various stresses (eg, continuous passage culture and high concentration oxygen conditions during in vitro culture) that stem cells receive from the inside or outside. ) And cell division is halted or significantly delayed.
- proliferation refers to an increase in the number of cell types from a characteristic cell type, or from the original cell population of cells that may or may not be identical.
- the primary cells used for proliferation may not be identical to the cells resulting from proliferation.
- differentiation induction refers to an embryonic body formed in an intermediate stage before complete differentiation from stem cells to specific cells as well as when completely differentiation is induced from stem cells to specific cells. ) Is also included.
- differentiation may be angiogenesis.
- angiogenesis means a process in which blood vessels are newly formed, that is, new blood vessels develop and differentiate into cells, tissues or organs.
- Angiogenesis of the present invention includes vascular regeneration, vascular recovery, and vascular differentiation related to angiogenesis processes including endothelial cell activation, migration, proliferation, matrix remodeling and cell stabilization.
- New angiogenic action is essential to recover ischemic tissue caused by blood vessel damage. Since the proliferation of existing vascular endothelial cells alone is insufficient for new angiogenesis and recovery, it is most important in the angiogenesis process that vascular stem cells derived from bone marrow are mobilized to the ischemic site and act on vascular repair.
- the composition promotes mobilization of vascular stem cells from bone marrow to ischemic tissue, improves binding ability with vascular endothelial cells, and improves the ability to differentiate into blood vessels.
- Fucoidan is a polysaccharide in which fucose, which is a basic sugar, and a sulfuric acid group are combined, and is contained in large amounts in brown algae. Fucoidan has a blood coagulation prevention effect, anti-tumor effect, gastric ulcer treatment promotion, antibacterial effect, blood pressure increase inhibition, hepatocellular proliferation factor (HGF) production induction, blood sugar increase inhibition, immune cell regulation, anti-allergic effect, It is known to have antiviral activity.
- HGF hepatocellular proliferation factor
- the fucoidan is preferably represented by the following formula (1), but is not limited thereto.
- fucoidan in the composition according to the present invention is in a concentration in the range of 1 to 300 nM, more preferably in a concentration in the range of 50 to 250 nM, and most preferably in a concentration of 150 nM.
- Tauroursodeoxycholic acid refers to a taurine conjugate of ursodeoxycholic acid (UDCA), and is said to be beneficial in the treatment of gallstones, cirrhosis, Huntington's disease, Parkinson's disease and stroke. Is known.
- taurolusodeoxycholic acid is preferably represented by the following formula (2), but is not limited thereto.
- the composition according to the invention comprises taurorusodeoxycholic acid in a concentration of 2.5 to 250 ⁇ M, preferably in the range of 12.5 to 50 ⁇ M, more preferably in the range of 17.5 to 35 ⁇ M, , Most preferably a concentration of 25 ⁇ M.
- oleuropein refers to a polyphenol present in olive fruits and olive leaves.
- oliuropine is preferably represented by the following formula (3), but is not limited thereto.
- the composition according to the present invention contains oliuropine in a concentration of 0.05 to 5 ⁇ M, preferably in the range of 0.25 to 1 ⁇ M, more preferably in the range of 0.35 to 0.7 ⁇ M, most preferably It is a concentration of 0.5 ⁇ M.
- Vascular endothelial growth factor refers to a signal protein produced by cells that stimulate blood vessel formation.
- the vascular endothelial growth factor is involved in vasculogenesis and angiogenesis.
- the vascular endothelial growth factor is preferably one or more selected from the group consisting of VEGF-A, VEGF-B, VEGF-C and PIGF, but is not limited thereto.
- the composition according to the present invention contains vascular endothelial growth factor at a concentration of 0.1 to 10 nM, preferably in the range of 1 to 5 nM, and most preferably at a concentration of 2.5 nM.
- the present invention provides a pharmaceutical composition for preventing or treating ischemic diseases comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the present invention provides a method for preventing or treating ischemic diseases, comprising treating the pharmaceutical composition to an individual.
- the present invention provides the use of the pharmaceutical composition for preventing or treating ischemic diseases.
- ischemic disease refers to a disease caused by a decrease in blood supply to a body organ, tissue or part caused by constriction or obstruction of blood vessels. After ischemia of the tissue or region, even if reperfusion of blood occurs, nerve cells are damaged, causing various sequelae, and ultimately, irreversible damage, that is, necrosis of cells and tissues.
- the ischemic disease may be selected from the group consisting of ischemic heart disease, ischemic myocardial infarction, ischemic heart failure, ischemic enteritis, ischemic vascular disease, ischemic eye disease, ischemic retinopathy, ischemic glaucoma, ischemic renal failure, ischemic baldness, ischemic stroke and ischemic leg disease. And more preferably ischemic heart disease, ischemic myocardial infarction, ischemic heart failure, ischemic enteritis, ischemic vascular disease, ischemic stroke, and ischemic lower limb disease, most preferably ischemic myocardial infarction or ischemic lower limb It could be a disease.
- the present invention provides a medium composition for culturing stem cells comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- “media” refers to a culture medium capable of supporting stem cell growth and survival under in vitro culture conditions, and includes all conventional media used in the art suitable for culturing stem cells. .
- the medium and culture conditions can be selected according to the type of cells.
- the medium used for cultivation is preferably a cell culture minimum medium (CCMM), and generally contains a carbon source, a nitrogen source, and a trace element component.
- CCMM cell culture minimum medium
- These cell culture minimal media include, for example, DMEM (Dulbecco's Modified Eagle's Medium), MEM (Minimal Essential Medium), BME (Basal Medium Eagle), RPMI1640, F-10, F-12, MEM (Minimal Essential Medium), GMEM ( Glasgow's Minimal essential Medium), Iscove's Modified Dulbecco's Medium, etc., but are not necessarily limited to these.
- DMEM Dulbecco's Modified Eagle's Medium
- MEM Minimum Essential Medium
- BME Base Medium Eagle
- RPMI1640 F-10, F-12
- MEM Minimal Essential Medium
- GMEM Glasgow's Minimal essential Medium
- Iscove's Modified Dulbecco's Medium etc., but are not necessarily limited to these.
- the medium composition of the present invention is preferably a xeno-free medium excluding cytokines or growth factors and animal serum (FBS) added to the existing culture medium, but is not limited thereto.
- FBS animal serum
- the present invention comprises the steps of treating stem cells with a stem cell culture medium composition comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients; It provides a heterogeneous culture method comprising a.
- the present invention provides stem cells cultured by the above culture method.
- the stem cells are vascular endothelial progenitor cells, vascular stem cells, mesenchymal stem cells, embryonic stem cells, and muscle cells. It is selected from the group consisting of Myoblast and Cardiac Stem Cells, more preferably Endothelial Progenitor Cells or vascular stem cells, most preferably vascular endothelial It is an Endothelial Progenitor Cell.
- Stem cells cultured by the heterogeneous culture method according to the present invention not only acquire stemness, but also have the effect of improving angiogenesis, cell proliferation and mobility, and after transplanting vascular endothelial progenitor cells into the body It can improve cell viability and engraftment rate, and increase blood vessel and tissue regeneration capacity.
- the present invention provides a pharmaceutical composition for preventing or treating ischemic diseases comprising the stem cells.
- the present invention provides a method for preventing or treating ischemic diseases, comprising the step of treating the stem cells to an individual.
- the present invention provides the use of the stem cells for preventing or treating ischemic diseases.
- “individual” refers to a subject in need of treatment of a disease, and more specifically, human or non-human primates, mice, rats, dogs, cats, horses and cattle. Means mammal.
- the pharmaceutical composition of the present invention can be formulated and used in various forms according to a conventional method.
- it may be formulated in oral dosage forms such as powders, granules, tablets, capsules, suspensions, emulsions, syrups, etc., and may be formulated in the form of external preparations, suppositories, and sterile injectable solutions.
- composition of the present invention may contain one or more known active ingredients having a prophylactic or therapeutic effect against ischemic diseases together with the active ingredients.
- composition of the present invention may further include a pharmaceutically acceptable additive, wherein the pharmaceutically acceptable additives include starch, gelatinized starch, microcrystalline cellulose, lactose, povidone, colloidal silicon dioxide, calcium hydrogen phosphate, lactose , Mannitol, syrup, arabic rubber, pregelatinized starch, corn starch, powdered cellulose, hydroxypropyl cellulose, Opadry, sodium starch glycolate, carnaubanap, synthetic aluminum silicate, stearic acid, magnesium stearate, aluminum stearate, calcium stearate, White sugar or the like can be used.
- the pharmaceutically acceptable additive according to the present invention is preferably contained 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 can be administered in various oral or parenteral dosage forms at the time of actual clinical administration.
- diluents or excipients such as fillers, extenders, binders, wetting agents, disintegrants, and surfactants are used. It is preferable to use those disclosed in Lamington's literature as suitable formulations known in the art.
- the solid preparations for oral administration include tablets, pills, powders, granules, capsules, and the like, and such solid preparations include at least one excipient, such as starch, calcium carbonate, sucrose, or It is prepared by mixing lactose and gelatin.
- excipients such as starch, calcium carbonate, sucrose, or It is prepared by mixing lactose and gelatin.
- lubricants such as magnesium stearate and talc are also used.
- various excipients in addition to water and liquid paraffin which are commonly used simple diluents, include suspensions, solvents, emulsions, syrups, etc. as liquid preparations for oral administration, such as wetting agents, sweeteners, fragrances, preservatives, etc. May be included.
- Formulations for parenteral administration include sterilized aqueous solutions, non-aqueous solutions, suspensions, emulsions, lyophilized formulations, and suppositories.
- the non-aqueous solvent and the suspension solvent propylene glycol, polyethylene glycol, vegetable oil such as olive oil, and injectable ester such as ethyl oleate may be used.
- injectable ester such as ethyl oleate
- a base for suppositories witepsol, macrogol, tween 61, cacao butter, laurin, glycerogelatin, and the like may be used.
- Fucoidan, taurorusodeoxycholic acid, oliuropine, and vascular endothelial growth factor of the present invention can be used in the form of pharmaceutically acceptable salts, and all salts, hydrates and solvates prepared by conventional methods are included. .
- an acid addition salt formed by a pharmaceutically acceptable free acid is useful.
- Acid addition salts are prepared by conventional methods, for example by dissolving the compound in an excess aqueous acid solution, and precipitating this salt using a water-miscible organic solvent such as methanol, ethanol, acetone or acetonitrile. The same molar amount of the compound and an acid or alcohol (eg, glycol monomethyl ether) in water are heated, and the mixture is then evaporated to dryness, or the precipitated salt can be filtered with suction. At this time, organic acids and inorganic acids can be used as the free acid, hydrochloric acid, phosphoric acid, sulfuric acid, nitric acid, tartaric acid, etc.
- maleic acid can be used as organic acids, and methanesulfonic acid, p-toluenesulfonic acid, acetic acid, trifluoroacetic acid, maleic acid can be used as organic acids.
- succinic acid, oxalic acid, benzoic acid, tartaric acid, fumaric acid, manderic acid, propionic acid, citric acid, lactic acid, glycolic acid, gluconic acid (gluconic acid), galacturonic acid, glutamic acid, glutaric acid, glucuronic acid, aspartic acid, ascorbic acid, carbonic acid, vanillic acid, hydroiodic acid, etc. can be used, but limited thereto. It doesn't work.
- a pharmaceutically acceptable metal salt can be made using a base.
- the alkali metal or alkaline earth metal salt is obtained, for example, by dissolving the compound in an excess alkali metal hydroxide or alkaline earth metal hydroxide solution, filtering the undissolved compound salt, and evaporating and drying the filtrate.
- the metal salt it is particularly suitable for pharmaceutical use to prepare sodium, potassium or calcium salts, but is not limited thereto.
- the corresponding silver salt can be obtained by reacting an alkali metal or alkaline earth metal salt with a suitable silver salt (eg, silver nitrate).
- Pharmaceutically acceptable salts of the compounds include salts of acidic or basic groups that may be present in the compound, unless otherwise indicated.
- pharmaceutically acceptable salts may include sodium, calcium, and potassium salts of the hydroxy group
- other pharmaceutically acceptable salts of the amino group include hydrobromide, sulfate, hydrogen sulfate, phosphate, hydrogen phosphate, Dihydrogen phosphate, acetate, succinate, citrate, tartrate, lactate, mandelate, methanesulfonate (mesylate) and p-toluenesulfonate (tosylate) salts, and the like, and methods for preparing salts known in the art It can be manufactured through.
- 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 reaction to be achieved by administration of the pharmaceutical composition ,
- the type of the subject to be administered the age, weight, general health condition, symptoms or severity of the disease, sex, diet, excretion, various factors, including components of drugs and other compositions used simultaneously or simultaneously with the subject, and It may be varied according to similar factors well known in the medical field, and a person of ordinary skill in the art can easily determine and prescribe an effective dosage for the desired treatment.
- the route of administration and the method of administration of the pharmaceutical composition of the present invention may each be independent, and the method is not particularly limited, and any route and method of administration as long as the pharmaceutical composition can reach the desired site. You can follow.
- the pharmaceutical composition may be administered orally or parenterally.
- 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 surgery, radiation therapy, hormone therapy, chemotherapy, and methods of using biological response modifiers for the prevention or treatment of ischemic diseases.
- the present invention provides a stem cell therapy adjuvant comprising fucoidan, taurorusodeoxycholic acid, oliuropine and vascular endothelial growth factor as active ingredients.
- the "cell therapy” refers to the biological properties of cells by proliferating, selecting, or other methods of living autologous, allogenic, and xenogenic cells in vitro to restore the function of cells and tissues. It refers to a drug that is used for treatment, diagnosis, and prevention purposes through a series of actions such as changing the blood cells. In particular, it can be classified into “stem cell therapy” embryonic stem cell therapy and adult stem cell therapy.
- stem cell therapy adjuvant refers to an agent that can be used as an auxiliary agent to enhance the effect of a stem cell therapeutic agent generally used in the art.
- the stem cell therapeutic agent It is possible to improve the effect of the therapeutic agent by promoting the inhibition and proliferation of cells.
- the stem cell treatment is an ischemic disease treatment.
- the stem cell therapy adjuvant may be administered to the human body through any general route as long as it can reach the target tissue.
- Parenteral administration for example, intraperitoneal administration, intravenous administration, intramuscular administration, subcutaneous administration, but is not limited thereto.
- the stem cell therapy adjuvant can also be administered by any device capable of moving the active substance to the target cell. It can be administered together with a pharmaceutical carrier generally used for stem cell treatment, such as a physiological saline solution.
- a pharmaceutical carrier generally used for stem cell treatment such as a physiological saline solution.
- Mixture 4F was prepared by mixing fucoidan (150 nM), taurorusodeoxycholic acid (25 ⁇ M), oliuropine (0.5 ⁇ M) and vascular endothelial growth factor (2.5 nM) (recombinant human VEGF 165).
- fucoidan 150 nM
- taurorusodeoxycholic acid 25 ⁇ M
- oliuropine 0.5 ⁇ M
- vascular endothelial growth factor 2.5 nM
- the results of confirming the morphological characteristics of vascular endothelial progenitor cells according to the mixture 4F treatment are shown in FIG. 1.
- the cell group expressing the undifferentiated marker depending on the number of days of treatment with the mixture 4F and the cell group expressing the distinct differentiation marker of the endothelial cell line at the same time had an undifferentiated characteristic.
- the treatment of mixture 4F maintains the cultural characteristics of the endothelial cell line that the original cell has, while increasing only the undifferentiated characteristics (stemness), which has a phenotype and function similar to that of endothelial cells, and has the ability to differentiate into endothelial cells as a higher level. It was confirmed that more characteristics of known vascular stem cells were obtained.
- SDF-1 ⁇ is a major cytokine that is secreted by ischemic tissue and recruits cells involved in blood vessel and tissue regeneration. The results of confirming the mobility of cells according to the treatment of the mixture 4F are shown in FIG. 2.
- the mobility of cells was significantly increased compared to the control group by the priming of the mixture 4F.
- the negative control group which proceeded without a specific stimulation, showed a similar level of mobility to that of the positive control, but it was confirmed that the cell mobility by SDF-1 ⁇ stimulation increased by more than 3 times according to the treatment with the mixture 4F.
- the above results imply that the priming of the mixture 4F enhances the reactivity of cells to SDF-1 ⁇ and the ability of specific migration to ischemic tissue.
- An animal model for lower extremity ischemia which is a severe vascular disease model, was produced to evaluate the therapeutic efficacy of vascular stem cells whose function was enhanced by treatment with mixture 4F. Specifically, the degree of improvement of blood flow after cell transplantation was hemodynamically analyzed using a laser Doppler speedometer. Specifically, in order to confirm the therapeutic efficacy of cells primed with mixture 4F in a severe ischemic animal model, a lower extremity ischemia animal model was constructed using a 7-8 week old nude mouse (male). The animal model of lower extremity ischemia is made in a manner that blocks blood flow of the lower extremities by femoral artery ligation.
- cells (5x10 5 cells/PBS 50 ⁇ l) are intramuscularly injected daily (3, 7, 14 days). The degree of recovery of the blocked blood flow was hemodynamically analyzed using a laser Doppler speedometer. In addition, the engraftment, survival, and angiogenesis effects of the transplanted cells were confirmed through histological analysis through viable cell imaging, and the results are shown in FIGS. 3A and 3B.
- a severe myocardial infarction model was produced using 7-8 week old nude mice.
- the severe myocardial infarction model was produced through left coronary artery resection, and 5 ⁇ 10 5 cells per individual were directly transplanted into the ischemic area of the heart.
- Cardiac function at 28 days after the induction of myocardial infarction is measured by echocardiography using left ventricle end diastolic diameter (LVEDD), left ventricle end systolic diameter (LVESD)], and left ventricular ejection fraction (LVEF). )] and the like were measured.
- the cardiac output of the animal model and the diastolic function of the left ventricle were evaluated. Results of analyzing echocardiography, cardiac output, and left ventricular diastolic function are shown in FIG. 4A.
- Example 6 Analysis of proliferative ability, cell cycle change, cell aging and colony formation ability according to mixture 4F treatment
- cell proliferation ability analysis 10000 cells were seeded in a 96-well plate, and then cell proliferation ability was confirmed through MTS analysis according to the number of days treated with the mixture 4F.
- the protein in the control cell was isolated, extracted and quantified using a protein lysis buffer, and then Western blotting was performed using the same amount of protein. Performed. Proteins were transferred to PVDF membrane after SDS-PAGE and blocked in 5% skim milk for 30 minutes.
- the membrane was reacted with each of the primary antibodies p53 (abcam), p27 (abcam), p21 (abcam), p16 (abcam) and b-actin (santacruz) diluted in a ratio of 1:1000 overnight at 4°C. .
- the HRP-conjugated secondary antibody was reacted for 1 hour at room temperature, and protein expression was visualized using LAS3000 (Fujifilm).
- the cell cycle was analyzed by PI staining and Hst/PY staining.
- the cell cycle was analyzed using flow cytometry by staining PI (santacruz), hoechst 33342 (santacruz), and PY (santacruz) on 60-70% confluent cultured cells.
- PI antigenacruz
- hoechst 33342 santacruz
- PY santacruz
- Figs. 5a and 5b it was confirmed that the cell proliferation capacity significantly decreased depending on the number of days treated with the mixture 4F.
- the cells treated with the mixture 4F significantly increased the protein expression of CDK inhibitors (p21, p16), which are cell proliferation regulators.
- CDK inhibitors p21, p16
- the mixture 4F treatment (4 days) it was confirmed that the dormant phase G0 cell population increased significantly compared to the control group.
- the degree of senescence of cells in which the cell cycle was stopped and aged cells (old) through repeated passages was analyzed.
- Cell senescence analysis was performed using a SA- ⁇ -gal assay kit (cell signaling), and experiments were conducted according to the manufacturer's manual.
- the number of aged cells ( ⁇ -gal positive-green) per cell group was measured and graphed through microscopic imaging, and the results are shown in FIG. 5C.
- the cells were seeded and cultured for 14 to 20 days.
- the cultured cells were graphed by measuring the number of wells in which colonies were formed through microscopic imaging, and this is shown in FIG. 5D.
- Example 7 Analysis of gene expression related to stem cell differentiation according to mixture 4F treatment
- RNA sequencing was requested by Teragen.
- DEG differentially expressed gene
- the cells primed with mixture 4F had a clear genetic difference from fully differentiated vascular endothelial cells (HUVEC), and some undifferentiated stem cells related It was confirmed that the expression of markers (CD34, KIT, HEY1, PODXL, etc.) was significantly increased compared to the outgrowing EC (OEC, L-EPC). It was confirmed that the expression of differentiated vascular endothelial cell-specific genes was also reduced to a level similar to that of outgrowing EC (OEC, L-EPC) or somewhat. The above results mean that cells primed with mixture 4F acquire immature properties.
- Example 8 Analysis of mortality rate of undifferentiated stem cells according to mixture 4F treatment
- Undifferentiated stem cells have higher viability due to their protective ability against pathophysiological environments such as ischemia stimulation, so that the rate of transplantation and engraftment is higher than that of differentiated cells.
- the ischemic state (nutrient-free and hypoxic state) was implemented in vitro and the mortality rate of cells was analyzed.
- each cell group was cultured for 24 hours in a non-nutrient medium from which FBS, growth factors and cytokines were removed, and in a hypoxic condition of 1% O 2 to realize an ischemic state in the body. After that, flow cytometry was performed using an Annexin V/PI staining kit (BD Biosciences), and the results are shown in FIG. 7.
- Example 9 Analysis of proliferation rate and marker expression of undifferentiated stem cells according to mixture 4F treatment
- Cell proliferation ability and recovery of marker expression were analyzed when cells whose cell cycle was stopped by the treatment with mixture 4F were reperfused with the nutrient medium (b-FGF, EGF, IGF-1, ascorbic acid added) used for conventional cell culture. Specifically, the mixture 4F was treated for 4 days and cultured (reperfusion) for 5 days in a nutrient medium (b-FGF, EGF, IGF-1, ascorbic acid addition) to cells in which the cell cycle was stopped. After exchange with the nutrient medium, the recovery of the proliferative ability of the cells on the 3rd and 5th days was confirmed using the MTS assay kit. The MTS analysis was performed according to the manufacturer's manual. The cell proliferation rate is shown in Fig. 8A, and the results of the marker expression analysis are shown in Figs. 8B and 8C.
- the cells primed with the mixture 4F recovered not only the proliferative capacity, which had been reduced by nutrient medium reperfusion, but also the marker expression, to a level similar to that of the control group.
- the cell cycle arrest caused by the mixture 4F treatment and the resulting decrease in cell proliferation capacity are not irreversible phenomena such as cell damage or aging, but are a general characteristic of quiescent cells that appear with an increase in the undifferentiated nature of the cells. It was confirmed that it is a reversible phenomenon that can be sufficiently recovered.
- Example 10 Comparison of marker expression and angiogenic ability according to mixture 4F or single component treatment
- angiogenesis assay 60 ⁇ l of Matrigel GFR (BD Biosciences) was added to a 96-well plate to harden, and then 10000 cells were seeded and cultured. After 6 hours of incubation, the degree of formation of a tube-like network was observed under a microscope. The microscopic observation results were graphed on the angiogenic ability of cells through branch number counting formed using Image J software, and the results are shown in FIG. 10.
- FIG. 11 is a schematic diagram showing a heterogeneous culture method using a mixture 4F.
- EPC vascular endothelial transfected cells
- MNCs Monocytes
- each medium a heterogeneous medium containing 4F or existing vascular endothelium
- Cell differentiation medium was cultured for 5 days in known medium (EGM2 media) conditions.
- the heterogeneous medium containing the mixture 4F excludes cytokines, growth factors, and animal serum (FBS) added in the existing culture medium, Only mixture 4F and human serum (2%) were added, the medium was changed every day after cultivation, and the EPC colony adhesion was confirmed and subcultured in the case of 70% or more confluent.
- the cells obtained by culturing with the existing vascular endothelial cell differentiation medium were cultivated with'L-EPC' and the cells obtained by culturing with a heterogeneous medium containing 4F of the mixture were named'X-EPC'.
- Example 12 Confirmation of morphological characteristics of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- the morphological comparison of the cells was performed by microscopic imaging in a 70-80% confluent state to confirm the morphological characteristics of the cells. Specifically, for the analysis of Ac-LDL absorption and UEA-1 binding, which is a specific function evaluation of the endothelial cell line, cells cultured in a 10-20% confluent state were cultured in serum starvation for 2 hours. . The cultured cells were treated with Ac-LDL (Invitrogen) at a concentration of 10 ⁇ g/ml and then reacted at 37° C. for 4 hours.
- Ac-LDL Invitrogen
- the reacted cells were fixed at room temperature for 10-15 minutes using 4% PFA, and reacted at room temperature for 1 hour at a concentration of 10 ⁇ g/ml of UEA-1 (sigma aldrich).
- the reacted cells were washed with PBS, stained with DAPI staining, and observed with a fluorescence microscope.
- the results of analyzing the morphological characteristics of vascular stem cells cultured by a heterogeneous culture method using the mixture 4F are shown in FIG. 12.
- Example 13 Gene expression analysis of undifferentiated stem cell-related markers of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- hematopoietic markers CD11b, CD14, CD45
- undifferentiated markers CD34, c-kit, CXCR4
- endothelial cell markers VEGFR2, PECAM, VE-cadherin
- cells cultured by a heterogeneous culture method using mixture 4F were hematopoietic lineage markers compared to cell groups (E-EPC, L-EPC, HUVEC) obtained by conventional culture methods.
- the expression of (CD11b, CD14, CD45) was almost unrecognizable, and it was confirmed that the expression of undifferentiated markers and vascular endothelial cell lineages was maintained high (3 lots for each umbilical cord blood donor.
- Representative markers CD34, CXCR4 It was confirmed that the expression of VE-cadherin remained higher than that of L-EPC even after continuous subculture).
- the cells (X-EPC) obtained by the heterogeneous culture method using the mixture 4F were vascular stem cells having higher undifferentiated characteristics than the cells cultured by the conventional culture method.
- Example 14 Analysis of proliferation ability, cell cycle change and colony formation ability of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- the cells cultured by the heterogeneous culture method using the mixture 4F were separated into single cells, and the proliferative ability, cell cycle change, and colony formation ability were analyzed in the same manner as in Example 6.
- the control group in this example was cells cultured by the conventional culture method (L-EPC) and cells cultured with a medium containing each single component in a heterogeneous medium (fucoidan-treated group (Fu, 0.1 ⁇ g/ml), taurorusode Oxycholic acid treatment group (TD, 25 ⁇ M), oliuropine treatment group (OLP, 0.5 ⁇ M) and vascular endothelial growth factor treatment group (VEGF, 100 ng/ml)] were used.
- the results of analyzing the colony formation ability are shown in FIGS. 14A and 14B.
- Example 15 Analysis of gene expression related to stem cell differentiation of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- the expression of the stem cell differentiation-related genes of the cells cultured by the heterogeneous culture method using the mixture 4F was analyzed by the method of Example 7. Based on the RNA sequencing results, gene ontology, categories and expression patterns were analyzed. The results of analyzing the gene expression related to stem cell differentiation are shown in FIGS. 15 to 17.
- the cells cultured by the heterogeneous culture method using the mixture 4F has a genetic difference from the L-EPC obtained by the conventional culture method, PCA analysis of the correlation for each cell group As a result, it was confirmed that unlike HUVEC/L-EPC, which showed high similarity, X-EPC had low similarity with each cell group.
- Example 16 Confirmation of angiogenic ability of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- the angiogenic ability of cells cultured by the heterogeneous culture method using the mixture 4F was confirmed by the method of Example 10.
- the beads for culture and each cell were cultured for 4 hours, and the beads were coated with cells.
- Cell-coated culture fibrinogen/thrombin gel was seeded with 100 to 200 cell-coated beads and cultured at 37°C. During the culture, the degree of angiogenic germination of the beads was observed.
- the 2D and 3D angiogenic ability analysis results are shown in FIG. 18.
- Example 17 Confirmation of peripheral secretion angiogenesis effect of vascular stem cells cultured by a heterogeneous culture method using mixture 4F
- Example 11 the angiogenesis effect by the peripheral secretion of cells cultured by the heterogeneous culture method using the mixture 4F was analyzed. Specifically, total RNA was extracted from the cells of Example 11 using Trizol, and cDNA was synthesized based on this. In addition, qPCR using the synthesized cDNA as a template was performed to analyze the mRNA expression of major angiogenesis stimulating factors (VEGF-A, IL-8, b-FGF, Ang2). The primers used for the PCR are shown in Table 1, and the qPCR results are shown in FIG. 19.
- the cells cultured by the heterogeneous culture method using the mixture 4F was the control group (L-EPC, E-EPC, HUVEC) expression of major growth factors and cytokines that stimulate angiogenesis. ) was significantly higher than that.
- Example 18 Confirmation of vascular regeneration effect of vascular stem cells cultured by a heterogeneous culture method using mixture 4F in an animal model of lower extremity ischemia
- the X-EPC-transplanted limb ischemia animal model In the L-EPC-transplanted limb ischemia animal model, only cell debris was observed 7 days after the transplantation, whereas the X-EPC-transplanted limb ischemia animal model was GFP signal of the surviving cells until the 21st day of transplantation. The detection of the GFP signal means that the engraftment and survival rate of cells is improved.
- the X-EPC-transplanted lower extremity ischemia animal model confirmed that CD31 (red; mouse vessel) positive blood vessels were also more than the L-EPC transplanted group. The above results indicate that X-EPC has excellent blood vessel regeneration effect in vivo.
- vascular endothelial progenitor cells not only acquire stemness.
- vascular endothelial progenitor cells since it has the effect of improving angiogenesis, cell proliferation and mobility, after transplanting vascular endothelial progenitor cells into the body, it is possible to improve cell survival and engraftment and further increase the ability to regenerate blood vessels and tissues, stem cell differentiation, ischemia It can be used in various ways in the field of disease prevention or treatment.
- Formulation examples are for illustrative purposes only, and the scope of the present invention is not construed as being limited by formulation examples.
- the above ingredients are mixed and filled in an airtight cloth to prepare a powder.
- tablets are prepared by tableting according to a conventional tablet preparation method.
- the above ingredients are mixed and filled into gelatin capsules to prepare a capsule.
- stem cells treated with mixture 4F have an effect of not only acquiring stemness, but also improving cell proliferation and mobility, and accordingly, the stem cells are transplanted into the body as a therapeutic agent for ischemic diseases. It can improve survival and engraftment, blood vessel and tissue regeneration,
- Stem cells can be cultured by a heterogeneous culture method using the mixture 4F, and stem cells cultured by the corresponding xenogeneic culture method acquire higher undifferentiated properties, colony formation and proliferation capacity than cells cultured by conventional culture methods, and stimulate angiogenesis. It is a stem cell that has high expression of major growth factors and cytokines, and can improve cell survival and engraftment, blood vessel and tissue regeneration in vivo.
- the mixture 4F and the stem cells according to the present invention may be usefully used in basic research and clinical fields for the development of therapeutic agents for ischemic diseases.
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Abstract
Description
Forward(5'-3') | Reverse(5'-3') | |
VEGF-A | GCTCGGTGCTGGAATTTGAT (서열번호 1) | GCCCGATTCAAGTGGGGAAT (서열번호 2) |
IL-8 | CACCGGAAGGAACCATCTCACT (서열번호 3) | TCAGCCCTCTTCAAAAACTTCTCC (서열번호 4) |
b-FGF | GGAGAAGAGCGACCCTCACATCAAG(서열번호 5) | CCAGTTCGTTTCAGTGCCACATACCAA (서열번호 6) |
Ang2 | GGGAAGGGAATGAGGCTTAC (서열번호 7) | AAGTTGGAAGGACCACATGC (서열번호 8) |
b-actin | AGCGAGCATCCCCCAAAGTT (서열번호 9) | GGGCACGAAGGCTCATCATT (서열번호 10) |
Claims (17)
- 후코이단, 타우로우루소데옥시콜산, 올리유로핀 및 혈관내피성장인자를 유효성분으로 포함하는, 줄기세포의 노화 억제, 증식 촉진 또는 분화 유도용 조성물.
- 제1항에 있어서,상기 후코이단은 1 내지 300nM의 농도인, 조성물.
- 제1항에 있어서,상기 타우로우루소데옥시콜산은 2.5 내지 250μM의 농도인, 조성물.
- 제1항에 있어서,상기 올리유로핀은 0.05 내지 5μM의 농도인, 조성물.
- 제1항에 있어서,상기 혈관내피성장인자는 0.1 내지 10nM의 농도인, 조성물.
- 제1항에 있어서,상기 줄기세포는 혈관내피 전구세포(Endothelial Progenitor Cell), 중간엽 줄기 세포(Mesenchymal Stem Cell), 배아줄기세포(Embryonic Stem Cell), 근모세포 (Myoblast) 및 심장줄기세포(Cardiac Stem Cell)로 이루어진 군으로부터 선택되는 1종 이상인, 조성물.
- 제1항에 있어서,상기 분화는 혈관신생인, 조성물.
- 후코이단, 타우로우루소데옥시콜산, 올리유로핀 및 혈관내피성장인자를 유효성분으로 포함하는, 허혈성 질환 예방 또는 치료용 약학적 조성물.
- 후코이단, 타우로우루소데옥시콜산, 올리유로핀 및 혈관내피성장인자를 유효성분으로 포함하는, 줄기세포 배양용 배지 조성물.
- 제9항에 있어서,상기 배지 조성물은 무이종(xeno-free) 배지인, 배지 조성물.
- 제9항에 따른 배지 조성물을 줄기세포에 처리하는 단계;를 포함하는, 무이종 배양방법.
- 제11항에 있어서,상기 줄기세포는 상기 줄기세포는 혈관내피 전구세포(Endothelial Progenitor Cell), 중간엽 줄기세포(Mesenchymal Stem Cell), 배아줄기세포(Embryonic Stem Cell), 근모세포(Myoblast) 및 심장줄기세포(Cardiac Stem Cell)로 이루어진 군으로부터 선택되는 1종 이상인, 무이종 배양방법.
- 후코이단, 타우로우루소데옥시콜산, 올리유로핀 및 혈관내피성장인자를 유효성분으로 포함하는, 줄기세포 치료 보조제.
- 제11항에 따른 배양방법으로 배양된, 줄기세포.
- 제14항에 따른 줄기세포를 포함하는, 허혈성 질환 예방 또는 치료용 약학적 조성물.
- 제14항에 따른 줄기세포를 개체에 처리하는 단계를 포함하는, 허혈성 질환 예방 또는 치료방법.
- 제8항에 따른 약학적 조성물을 개체에 처리하는 단계를 포함하는, 허혈성 질환 예방 또는 치료방법.
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