WO2015064800A1 - 중간엽 줄기세포로부터 유도된 만능 줄기세포를 이용하여 지방세포로 분화시키는 방법 - Google Patents
중간엽 줄기세포로부터 유도된 만능 줄기세포를 이용하여 지방세포로 분화시키는 방법 Download PDFInfo
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Definitions
- the present invention relates to a method for preparing induced pluripotent stem cells using the pluripotent stem cell induction medium composition of mesenchymal stem cells and differentiating them into adipocytes.
- Stem cells collectively refer to the undifferentiated cells in the pre-differentiated stage that can be obtained from each tissue. In the undifferentiated state, it is capable of continuously producing the same cells as itself for a certain period of time, and under proper conditions, it is capable of differentiating into various cells constituting biological tissues.
- Stem cells can be largely divided into embryonic stem cells and adult stem cells according to their differentiation capacity and production time. Another classification is according to the differentiation capacity of stem cells, and can be divided into pluripotency, multipotency and unipotency stem cells.
- Adult stem cells can be divided into multipotent or unipotent stem cells.
- Representative adult stem cells include mesenchymal stem cells (MSCs) and hematopoietic stem cells (HSCs).
- MSCs mesenchymal stem cells
- HSCs hematopoietic stem cells
- Mesenchymal stem cells differentiate into chondrocytes, osteoblasts, adipocytes, myocytes and neurons.
- Hematopoietic stem cells mainly contain blood cells such as red blood cells, white blood cells, and platelets. It is known to differentiate into cells.
- Pluripotent stem cells refer to stem cells that have the versatility to differentiate into all three germ layers that make up a living body and to differentiate into all cells or organ tissues of the human body, and generally embryonic stem cells. This is the case.
- Human embryonic stem cells have many ethical problems because they are made from embryos that can occur as human beings, but are known to have superior cell proliferation and differentiation capacity as adult stem cells.
- Adult stem cells can be obtained from bone marrow, blood, brain, skin, etc., so there are few ethical problems, but they have limited differentiation ability compared to embryonic stem cells.
- various methods have been attempted to prepare customized pluripotent stem cells similar to embryonic stem cells by dedifferentiating adult-derived cells.
- Representative methods include fusion with ES cells, somatic cell nuclear transfer, and reprogramming by gene factor.
- the cell fusion method has a problem in that the induced cells have two more pairs of genes, and the somatic cell nuclear transfer method requires a large amount of eggs and a very low efficiency.
- the specific factor injection method uses a virus containing a carcinogen to induce reverse differentiation by inserting a specific gene, which poses a high risk of cancer, and in view of the possibility of developing a cell therapy due to its low efficiency and difficulty in terms of methodology. It is a problem.
- the culture composition at the stage of culturing isolated umbilical cord-derived mononuclear cells is very important. Therefore, research to prepare pluripotent stem cells with a higher quantity and high efficiency induction method is necessary. It is a state.
- the present inventors endeavored to find a method of inducing pluripotent stem cells with high efficiency for the practical use of cell therapy with high safety and production efficiency.
- Ecklonia cava extract which is a safe natural extract
- induced pluripotent stem cells could be prepared from mesenchymal stem cells, and confirmed that they could be differentiated into adipocytes safely and with high efficiency.
- the invention has been completed.
- a medium composition for dedifferentiating mesenchymal stem cells comprising Ecklonia cava extract into induced pluripotent stem cells.
- Another object of the present invention is to provide a method for dedifferentiating mesenchymal stem cells into induced pluripotent stem cells in the medium containing the Ecklonia cava extract and then re-differentiating them into adipocytes.
- Another object of the present invention to provide a fat cell produced by the above production method.
- Another object of the present invention to provide a cell therapy composition comprising the adipocytes.
- the present invention provides a medium composition for dedifferentiating mesenchymal stem cells into induced pluripotency stem cells, including Ecklonia cava extract,
- the induced pluripotent stem cells provide a medium composition characterized in that they are differentiated into adipocytes.
- the invention provides a method of differentiating adipocytes from mesenchymal stem cells, comprising the following steps:
- the present inventors have tried to find a method of inducing pluripotent stem cells with high efficiency for the practical use of developing high-efficiency cell therapies without the ethical problem of destroying embryos.
- Ecklonia cava extract which is a safe natural extract
- the term “embryonic stem cell” refers to a cell having pluripotency as a cell cultured by separating from an inner cell mass of a blastocyst, which is an early stage of development after fertilization.
- pluripotency refers to a stem having pluripotency capable of differentiating into three germ layers constituting a living body, that is, endoderm, mesoderm, and ectoderm. Refers to a cell.
- differentiation refers to a phenomenon in which structures or functions are specialized while cells divide and proliferate and grow, that is, a cell or tissue of an organism has a shape or function to perform a task given to each. It means to change.
- cell therapeutic agent refers to a medicament used for the purpose of treatment, diagnosis, and prevention of cells and tissues prepared by isolation, culture, and special manipulation from humans, and is used to restore the function of cells or tissues. Or a medicine used for the purpose of treatment, diagnosis, and prevention through a series of actions such as proliferating, selecting, or otherwise modifying a cell's biological properties in vitro.
- Cell therapy agents are largely classified into somatic cell therapy and stem cell therapy according to the degree of differentiation of cells, and the present invention relates in particular to stem cell therapy.
- the mesenchymal stem cells of the present invention are cells isolated from embryonic stem cells or adult stem cells derived from mammals, preferably umbilical cord-derived mesenchymal stem cells, and more preferably human umbilical cord-derived mesenchymal stem cells.
- the stem cells can be obtained from the umbilical cord connecting the placenta and fetus in the human body.
- Mesenchymal stem cells can be harvested from a variety of methods, for example, by taking a umbilical cord from the human body and rinsing it until no blood comes out with DPBS.
- the solution containing mononuclear cells can be obtained by incubation at °C.
- Ecklonia cava an active ingredient included in the medium composition of the present invention is a seaweed of perennial seaweed of kelp, kelp, seaweed, inhabiting the coastal area of Jeju Island and the Ulleungdo coastal area, mainly in the south coast. It is a food, and it is also used as a main raw material for making alginic acid, iodine and potassium, or as an edible food.
- Ecklonia cava extract comprises water, (a) anhydrous or hydrous lower alcohol having 1 to 4 carbon atoms (methanol, ethanol, propanol, butanol, normal-propanol, iso-propanol and normal-butanol, etc.), (b) the Mixed solvent of lower alcohol and water, organic solvents such as (c) acetone, (d) ethyl acetate, (e) chloroform, (f) 1,3-butylene glycol, (g) hexane, (h) diethyl ether
- the solvent may be extracted using a solvent, and preferably, the solvent may be extracted using a mixed solvent of methanol or ethanol and water. When extracted using a mixed solvent, the content of methanol or ethanol is preferably 50-80 v / v%.
- the term “medium” refers to cells such as stem cells, etc., in vitro, including elements essential for growth and proliferation of cells such as sugars, amino acids, various nutrients, serum, growth factors, minerals, and the like. Refers to a mixture for incubation or differentiation.
- Various media are commercially available in the art, and can also be manufactured artificially.
- Commercially available media include Dulbecco's Modified Eagle's Medium (DMEM), Minimal Essential Medium (MEM), Basic Medium Eagle (BME), RPMI 1640, F-10, F-12, DMEM F-12, and ⁇ -MEM ( ⁇ -Minimal).
- Essential Medium Dulbecco's Modified Eagle's Medium (DMEM), Minimal Essential Medium (MEM), Basic Medium Eagle (BME), RPMI 1640, F-10, F-12, DMEM F-12, and ⁇ -MEM ( ⁇ -Minimal).
- Essential Medium Dulbecco's Modified Eagle's Medium
- MEM Minimal Essential Medium
- BME Basic Medium Eagle
- RPMI 1640 F-10, F-12, DMEM F-12
- ⁇ -MEM ⁇ -Minimal.
- Essential Medium G-MEM (Glasgow's Minimal Essential Medium)
- IMPM Iscove's Modified D
- Serum components for example, Fetal Bovine Serum (FBS)
- antibiotics for example, penicillin, streptomycin
- concentration of serum component or antibiotic component added to the basal medium may vary within a range capable of achieving the effect of the present invention, preferably 10% FBS, 100 unit / ml penicillin, 50 ⁇ g / ml streptomycin, or the like. Can be added.
- the medium of the present invention may further comprise a nutrient mixture (Nutrient Mixture).
- the nutrition mixture is a mixture containing various amino acids, vitamins, inorganic salts, and the like generally used in cell culture, and may be prepared by mixing the amino acids, vitamins, inorganic salts, and the like, or use a commercially prepared nutrition mixture.
- Commercially prepared nutrient mixtures include, but are not limited to, M199, MCDB110, MCDB202, MCDB302, and the like.
- the medium of the present invention may further include energy water for induction and stabilization of pluripotent stem cells.
- the energy water is preferably added at 0.01 to 10 v / v%, more preferably at 0.05 to 0.5 v / v%.
- the medium composition of the present invention is a medium specific for pluripotent stem cell induction, and may be achieved by adding Ecklonia cava extract to the basal medium, and preferably at a concentration of 1 to 1,000 ⁇ g / ml based on the total medium composition, more preferably.
- Ecklonia cava extract may be included at a concentration of 100 to 400 ⁇ g / ml.
- the mesenchymal stem cells are dedifferentiated into induced pluripotent stem cells using the medium.
- the medium composition containing the Ecklonia cava extract of the present invention when using the medium composition containing the Ecklonia cava extract of the present invention, it was confirmed that pluripotent stem cell colonies were formed on day 8-10, unlike when using only DMEM F-12 medium (FIG. 2 and 3).
- Induced pluripotent stem cells prepared in the present invention have the same differentiation capacity as embryonic stem cells, and are almost identical to embryonic stem cells in the shape of the cells. According to an embodiment of the present invention, as a result of examining the expression of genes (Nanog, Oct4, Sox-2, Klf) and protein (SSEA4) characteristic to embryonic stem cells embryonic stem cells in pluripotent stem cells induced by the present invention It was confirmed that the genes and proteins were expressed in the same manner as the cells (FIG. 4).
- the induced pluripotent stem cells are used to differentiate into adipocytes.
- Differentiation into the adipocytes can be differentiated using a variety of differentiation medium known in the art, preferably 3-isobutyl-1-methylxanthine, hydrocortisone (hydrocortisone) And differentiation medium containing indomethacin.
- differentiation medium known in the art, preferably 3-isobutyl-1-methylxanthine, hydrocortisone (hydrocortisone) And differentiation medium containing indomethacin.
- Preferred amounts of these components include 0.01-1 mM 3-isobutyl-1-methylxanthine, 0.1-10 uM hydrocortisone and 0.01-1 mM indomethacin.
- Basic medium of the differentiation medium is Dulbecco's Modified Eagle's Medium (DMEM), Minimal Essential Medium (MEM), Basic Medium Eagle (BME), RPMI 1640, F-10, F-12, DMEM F-12, ⁇ -MEM ( ⁇ -Minimal Essential Medium, G-MEM (Glasgow's Minimal Essential Medium), IMPM (Iscove's Modified Dulbecco's Medium), AmnioMax, AminoMax II complete Medium (Gibco, Newyork, USA), Chang's Medium MesemCult-XF Medium (STEMCELL Technologies, Vancouver, Canada).
- DMEM Dulbecco's Modified Eagle's Medium
- MEM Minimal Essential Medium
- BME Basic Medium Eagle
- RPMI 1640 F-10, F-12, DMEM F-12, ⁇ -MEM ( ⁇ -Minimal Essential Medium, G-MEM (Glasgow's Minimal Essential Medium), IMPM (Iscove's Modified
- Induced pluripotent stem cells prepared in the present invention has the same pluripotency as embryonic stem cells, and according to an embodiment of the present invention, it was confirmed that the pluripotency to differentiate into ectoderm, mesoderm and endoderm. (FIG. 5).
- the induced pluripotent stem cells of the present invention can effectively differentiate into adipocytes.
- the present invention provides a cell therapy composition comprising the differentiated adipocytes.
- composition of the present invention can be administered by any route of administration, specifically by intraperitoneal or chest cavity administration, subcutaneous administration, intravenous or arterial vascular administration, intramuscular administration, topical administration by injection, or the like.
- the composition can be administered in the form of injections, suspensions, emulsifiers and the like based on conventional methods, and if necessary, suspended in an adjuvant such as Freund's complete adjuvant or adjuvant activity such as BCG. It is also possible to administer together with the substance having.
- the composition may be sterile or contain adjuvants such as stabilizers, wetting or emulsifying accelerators, salts or buffers for controlling osmotic pressure and other therapeutically useful materials, and may be prepared by conventional mixing, granulating or coating methods. have.
- Cell therapy compositions according to the present invention may contain a pharmaceutically acceptable carrier or additive, in addition to the active ingredient diluents (eg, dextrose, sorbitol, cellulose, glycine, lactose, squarose, mannitol) , Binders (eg magnesium aluminum silicate, starch paste, tragacanth, sodium carboxymethylcellulose), disintegrants (eg starch, agar, alginic acid or its sodium salt) or boiling mixtures and / or absorbents, sweeteners , Flavoring agents and coloring agents.
- diluents eg, dextrose, sorbitol, cellulose, glycine, lactose, squarose, mannitol
- Binders eg magnesium aluminum silicate, starch paste, tragacanth, sodium carboxymethylcellulose
- disintegrants eg starch, agar, alginic acid or its sodium salt
- sweeteners e
- the cell therapy composition of the present invention can be applied to various diseases, and according to the results of clinical trials in humans in the future, there is also a possibility of treating allogeneic cells in humans.
- the present invention provides a medium composition for induced pluripotent stem cell reverse differentiation comprising Ecklonia cava extract.
- the present invention also provides a method of differentiating induced pluripotent stem cells prepared using the medium composition into adipocytes.
- the induced pluripotent stem cells can be efficiently produced using mesenchymal stem cells, and the prepared pluripotent stem cells can be differentiated into adipocytes, which is useful as a cell therapeutic agent. Can be used.
- FIG. 1 is a diagram showing that the pluripotent stem cells that are almost the same as embryonic stem cells are induced in culture by injecting Ecklonia cava extract medium from mesenchymal stem cells.
- Figure 2 confirms that pluripotent stem cells induced by the method of the present invention are pluripotent stem cells using specific protein expression.
- Figure 3 shows the pluripotent stem cell colony formation induced by the concentration of Ecklonia cava extract by the method of the present invention.
- Figure 4 shows the gene expression of pluripotent stem cells induced by the method of the present invention.
- 5 is a test result of the pluripotent stem cells in vivo differentiation induced by the method of the present invention.
- Figure 6 is a result of differentiation into adipocytes using a pluripotent stem cells induced by the method of the present invention for the adipocyte differentiation medium.
- the herbal samples used in the experiment were purchased from Jeju Island and used in the experiment after accurate evaluation by experts. 100 g of the dried herbal sample was placed in 1 L of 70% methanol and extracted under reflux for 16 hours and filtered using a filter paper. The filtrate was concentrated in a rotary evaporator and immediately freeze dried.
- Umbilical cord tissue is collected immediately after delivery. Rinse first with 500 ml of sterilized medium containing F-12 medium with transfer medium (50 IU / ml penicillin, 50 ⁇ g / ml streptomycin (purchased from Invitrogen)) prior to transfer to the laboratory. Transferred to a glass bottle. In the laboratory, stem cell extraction is performed in a flow hood of class 100 under sterile conditions. The sample is first transferred to a container of sterile stainless steel.
- transfer medium 50 IU / ml penicillin, 50 ⁇ g / ml streptomycin (purchased from Invitrogen)
- the PBS is washed several times and the umbilical cord tissue sample is then cut to 2 cm in length and transferred to a 10 cm diameter cell culture dish where further washing and anti-infection with 70% ethanol, antibiotic mixture (50 IU / ml penicillin, Wash several times with PBS with 50 ⁇ g / ml streptomycin (purchased from Invitrogen) until the solution is clear.
- Example 2-2 Stem Cell Isolation and Culture in Human Umbilical Cord
- An incision of the umbilical cord tissue is first made to separate the wharton jelly from the umbilical cord blood vessels and other internal elements. After removal of the blood vessels, the separated wharton jelly is cut into small pieces (0.5 cm x 0.5 cm) for extraction of the cells. Explants are performed by putting pieces of umbilical wharton jelly into different tissue culture dishes with cell culture conditions suitable for extraction of epithelial or mesenchymal stem cells.
- the explanted tissue was treated with 5 ml Dulbecco's modified eagle medium (DMEM) F-12 (Gibco), 10% FBS, 100 unit / with 10% fetal calf serum (FBS, Hyclone). It was immersed in ml penicillin, 50 ⁇ g / ml streptomycin and maintained at 37 ° C. in a carbon dioxide cell incubator. Medium was changed every 3 or 4 days. Outgrowth of cells was monitored by light microscopy. Elongating cells were trypsinized (0.125% trypsin / 0.05% EDTA) for further expansion and cryopreservation (using DMEM / 10% FBS).
- DMEM Dulbecco's modified eagle medium
- FBS fetal calf serum
- the medium was replaced every 3 or 4 days. Outgrowth of cells from explanted tissue was monitored by light microscopy.
- pellets of cells were resuspended and counted in medium DMEM F-12 (Gibco), 10% FBS, 100 unit / ml penicillin, 50 ⁇ g / ml streptomycin, and 10 cm tissue culture dishes. Were inoculated at a density of 1 ⁇ 10 6 cells / dish. The medium was changed every 3 or 4 days. Cell growth and cloning were monitored by light microscopy. At about 90% confluence, the cells were sub-cultured as described above.
- the experiment was to induce pluripotent stem cells from human umbilical cord-derived stem cells according to the concentration of Jeju Ecklonia cava extract.
- the control group was a medium of MSC.
- DMEM F-12 (Gibco) 10% FBS, 100 unit / ml penicillin, 50 ⁇ g / ml streptomycin was used as the basal medium, and the experimental group used 1 ⁇ g / ml, 10 ⁇ g / ml, 100 ⁇ g / ml, 200 ⁇ l extract of Jeju Ecklonia cava in the medium using human umbilical cord-derived mesenchymal stem cells subjected to subculture.
- the staining process was first fixed with 4% paraformaldehyde (Paraformaldehyde), and then washed with PBS and blocked with 1% BSA solution (blocking).
- FITC fluorescence
- PCR products were analyzed by agarose gel electrophoresis, and the results of confirming the expression of these genes are shown in FIG. 4.
- OCT4 which is a characteristic gene of pluripotent stem cells
- STC2013-F002 pluripotent stem cells induced by the method of the present invention
- undifferentiated pluripotent stem cell colonies cultured on support cells were removed after treatment with trypsin-EDTA on the 5th day of culture, and then placed in collagenase. Left for 30 minutes. Undifferentiated pluripotent stem cells were harvested and 1 ⁇ 10 6 cells were subcutaneous injected into severe combined immune deficiency (SCID) mice. After 4 weeks, the teratoma formed was harvested and fixed with 4% paraformaldehyde, followed by conventional paraffin embedding. Hematoxylin and Eosin were stained by cutting the tissue to a thickness of 10 ⁇ m.
- SCID severe combined immune deficiency
- teratoma is formed grossly at the injection of induced pluripotent stem cells prepared by the method of the present invention, more specifically histologically derived neuronal tissue derived from ectoderm (Fig. 5a), mesoderm-derived muscle tissue (FIG. 5B), and endoderm-derived gastrointestinal tissue (circumferential epithelium 5C), etc. have been shown to form teratomas capable of differentiation.
- Fig. 5a histologically derived neuronal tissue derived from ectoderm
- FOG. 5B mesoderm-derived muscle tissue
- endoderm-derived gastrointestinal tissue circumferential epithelium 5C
- pluripotent stem cell cells were induced from mesenchymal stem cells by culturing in a culture medium of 95%, 37 ° C, and 5% CO 2 conditions using a mixture of Ecklonia cava extract and energy water.
- Adipocyte differentiation solution was incubated for 2 weeks in DMEM F-12, 0.2 mM 3-isobutyl-1-methylxanthine, 1 uM hydrocortisone, and 0.1 mM indomethacin.
- Oil-Red-O histochemical staining to confirm intracellular fat accumulation for verification of differentiation into adipocytes was negative (FIG. 6A) before treatment of differentiation media as shown in FIG. Afterwards, the oil-Red-O showed a positive response (FIGS. 6B and C), and it was confirmed that cells expected to be pluripotent stem cells could be differentiated into adipocytes.
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Description
Claims (9)
- 하기의 단계를 포함하는 중간엽 줄기세포(mesenchymal stem cell)로부터 지방세포(adipocyte)를 분화시키는 방법:
(a) 감태(Ecklonia cava) 추출물을 세포 배양 배지에 첨가하는 단계;
(b) 상기 배지에서 중간엽 줄기세포(mesenchymal stem cell)를 유도만능 줄기세포(induced pluripotency stem cell)로 역분화시키는 단계; 및
(c) 상기 유도만능 줄기세포를 지방세포로 분화시키는 단계. - 제 1 항에 있어서, 상기 감태 추출물은 DMEM(Dulbecco's Modified Eagle's Medium), MEM(Minimal Essential Medium), BME(Basal Medium Eagle), RPMI 1640, F-10, F-12, DMEM-F12, α-MEM(α-Minimal Essential Medium), G-MEM(Glasgow's Minimal Essential Medium), IMDM(Iscove's Modified Dulbecco's Medium), MacCoy's 5A 배지, AmnioMax, AminoMaxⅡ complete Medium 및 Chang's Medium MesemCult-XF Medium으로 구성된 군으로부터 선택되는 배지에 포함되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 감태 추출물은 배지 조성물 기준 100-400 ㎍/㎖ 포함된 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 배지 조성물은 에너지워터 0.01 내지 10 v/v%를 추가적으로 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단계 c)는 3-이소부틸-1-메틸잔틴(3-isobutyl-1-methylxanthine), 하이드로코르티손(hydrocortisone) 및 인도메타신(indomethacin)을 포함하는 배지를 이용하여 수행하는 것을 특징으로 하는 방법.
- 제 5 항에 있어서, 상기 배지는 DMEM(Dulbecco's Modified Eagle's Medium), MEM(Minimal Essential Medium), BME(Basal Medium Eagle), RPMI 1640, F-10, F-12, DMEM-F12, α-MEM(α-Minimal Essential Medium), G-MEM(Glasgow's Minimal Essential Medium), IMDM(Iscove's Modified Dulbecco's Medium), MacCoy's 5A 배지, AmnioMax, AminoMaxⅡ complete Medium 및 Chang's Medium MesemCult-XF Medium으로 구성된 군으로부터 선택되는 배지에 3-이소부틸-1-메틸잔틴, 하이드로코르티손 및 인도메타신이 포함된 것을 특징으로 하는 방법.
- 제 1 항의 제조 방법으로 제조된 지방세포.
- 제 7 항의 지방세포를 포함하는 세포 치료용 조성물.
- 감태(Ecklonia cava) 추출물을 포함하는, 중간엽 줄기세포(mesenchymal stem cell)를 유도만능 줄기세포(induced pluripotency stem cell)로 역분화시키기 위한 배지 조성물로서, 상기 유도만능 줄기세포는 지방세포로 분화되는 것을 특징으로 하는 배지 조성물.
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KR101699761B1 (ko) * | 2014-05-23 | 2017-01-25 | 주식회사 비비에이치씨 | 플로로탄닌 분획물을 이용한 중간엽 줄기세포로부터 유도만능 줄기세포를 제조하는 방법 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100097293A (ko) | 2009-02-26 | 2010-09-03 | 부경대학교 산학협력단 | 피부 미백활성을 갖는 감태 추출물 |
KR20110032989A (ko) * | 2009-09-22 | 2011-03-30 | 서울대학교병원 | 성체세포로부터 만능줄기세포를 유도하는 방법 및 그 방법에 의해 제조된 만능줄기세포 |
KR20110045760A (ko) * | 2009-10-27 | 2011-05-04 | 서울대학교산학협력단 | 인간 만능줄기세포로부터 중배엽 줄기세포를 생산하는 방법 및 이에 의해 생성된 중배엽 줄기세포 |
KR20120040488A (ko) | 2010-10-19 | 2012-04-27 | 충남대학교산학협력단 | 곰피와 감태 추출물 유래의 플로로탄닌을 포함하는 화장품 조성물 |
US20120219530A1 (en) * | 1999-04-15 | 2012-08-30 | The General Hospital Corporation | Compositions and methods of generating reprogrammed adipocyte cells and methods of use therefore |
KR20130017159A (ko) | 2011-08-10 | 2013-02-20 | (주)아모레퍼시픽 | 효소 처리 감태 추출물을 포함하는 피부 미백용 조성물 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008066630A2 (en) * | 2006-10-27 | 2008-06-05 | Caritas St. Elizabeth Medical Center Of Boston, Inc. | Methods for reprogramming adult somatic cells and uses thereof |
JP2012210154A (ja) * | 2009-08-03 | 2012-11-01 | Keio Gijuku | 分化細胞由来多能性幹細胞の樹立方法 |
US20110091433A1 (en) * | 2009-10-19 | 2011-04-21 | Ilham Mohamed Saleh Saeed Abuljadayel | Treatment using reprogrammed mature adult cells |
KR20120002134A (ko) * | 2010-06-30 | 2012-01-05 | 서울대학교산학협력단 | 지방 기질 세포의 역분화를 유도하는 방법 |
CN102041244A (zh) * | 2010-11-26 | 2011-05-04 | 中国人民解放军总医院 | 一种诱导骨髓间充质干细胞向脂肪细胞分化的试剂盒及其应用和诱导细胞分化的方法 |
CN103517982B (zh) * | 2011-04-27 | 2018-02-06 | 独立行政法人国立国际医疗研究中心 | 源自多能干细胞的褐色脂肪细胞、源自多能干细胞的细胞凝聚物,其制造方法以及细胞疗法、内科疗法 |
-
2013
- 2013-11-01 KR KR1020130132059A patent/KR101542850B1/ko active IP Right Grant
- 2013-11-05 JP JP2016552365A patent/JP6711756B2/ja active Active
- 2013-11-05 US US15/033,419 patent/US10494603B2/en active Active
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120219530A1 (en) * | 1999-04-15 | 2012-08-30 | The General Hospital Corporation | Compositions and methods of generating reprogrammed adipocyte cells and methods of use therefore |
KR20100097293A (ko) | 2009-02-26 | 2010-09-03 | 부경대학교 산학협력단 | 피부 미백활성을 갖는 감태 추출물 |
KR20110032989A (ko) * | 2009-09-22 | 2011-03-30 | 서울대학교병원 | 성체세포로부터 만능줄기세포를 유도하는 방법 및 그 방법에 의해 제조된 만능줄기세포 |
KR20110045760A (ko) * | 2009-10-27 | 2011-05-04 | 서울대학교산학협력단 | 인간 만능줄기세포로부터 중배엽 줄기세포를 생산하는 방법 및 이에 의해 생성된 중배엽 줄기세포 |
KR20120040488A (ko) | 2010-10-19 | 2012-04-27 | 충남대학교산학협력단 | 곰피와 감태 추출물 유래의 플로로탄닌을 포함하는 화장품 조성물 |
KR20130017159A (ko) | 2011-08-10 | 2013-02-20 | (주)아모레퍼시픽 | 효소 처리 감태 추출물을 포함하는 피부 미백용 조성물 |
Non-Patent Citations (3)
Title |
---|
ALI, TEHSEEN FATIMA ET AL.: "Phlorotannin-incorporated mesenchymal stem cells and their promising role in osteogenesis imperfecta", JOURNAL OF MEDICAL HYPOTHESES AND IDEAS, vol. 6, no. 2, July 2012 (2012-07-01), pages 85 - 89, XP055237804 * |
See also references of EP3064570A4 * |
WIJESINGHE, W. A. J. P . ET AL.: "Biological activities and potential cosmeceutical applications of bioactive components from brown seaweeds: a review", PHYTOCHEM. REV., vol. 10, no. 3, September 2011 (2011-09-01), pages 431 - 443, XP019933554 * |
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US10494603B2 (en) | 2019-12-03 |
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AU2013403883A1 (en) | 2016-06-16 |
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EP3064570A4 (en) | 2017-09-06 |
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EP3064570A1 (en) | 2016-09-07 |
US20160272942A1 (en) | 2016-09-22 |
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