WO2011062313A1 - 줄기세포 분리방법 - Google Patents
줄기세포 분리방법 Download PDFInfo
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- WO2011062313A1 WO2011062313A1 PCT/KR2009/006890 KR2009006890W WO2011062313A1 WO 2011062313 A1 WO2011062313 A1 WO 2011062313A1 KR 2009006890 W KR2009006890 W KR 2009006890W WO 2011062313 A1 WO2011062313 A1 WO 2011062313A1
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- container
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- stem cell
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/04—Phase separators; Separation of non fermentable material; Fractionation
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/09—Means for pre-treatment of biological substances by enzymatic treatment
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/04—Cell isolation or sorting
Definitions
- the present invention relates to a method for isolating stem cells from adipose tissue, and more particularly, to a method for isolating stem cells with a minimum opportunity for air exposure.
- Stem cells have the ability to self-replicate and have the ability to differentiate into two or more cells. Recently, research has been conducted to obtain stem cells from adipose tissue in addition to bone marrow. Adipose-derived stem cells isolated from adipose tissue are multipotent stem cells that have the ability to differentiate into various types of cells such as fat cells, muscle cells, chondrocytes, and bone cells.
- the adipose stem cells Compared with the mesenchymal stem cells of bone marrow origin, the adipose stem cells have excellent self-renewal ability and easy in vitro culture, and are rich in adipose tissue capable of separating adipose stem cells, and are simple and safe to collect.
- adipose stem cells in functional aspect were found to have almost the same characteristics such as differentiation ability, cytological characteristics, immunological characteristics, and tissue regeneration ability. In other words, adipose stem cells are very useful for stem cells having high potential to replace mesenchymal stem cells of bone marrow origin.
- adipose stem cells are easier and safer to acquire tissues compared to mesenchymal stem cells, and have merit without restriction on tissue supply and faculty in vitro, and thus, mesenchymal stems of bone marrow origin in terms of tissue accessibility, stability, efficacy, and economics. It will be superior to the cell.
- the inhaled or excised fat is crushed again to disintegrate tissue into collagenase, and then centrifuged to precipitate and separate stromal vascular fraction (SVF).
- SVF stromal vascular fraction
- Korean Patent Invention No. 788632 discloses a fat-containing suspension suspended in physiological saline obtained by liposuction of human adipose tissue evenly and resuspended with an appropriate amount of physiological saline to put an appropriate amount in a flask or roller bottle for cell culture. Next, stationary culture or rotary culture was performed. In the case of stationary culture, the cells are allowed to settle for at least 6 to 12 hours and then the cell layer (fat-derived MSC, fibroblast) adhered to the flask surface is recovered by treatment with trypsin.
- the separated cell layer contains adult stem cells and fibroblasts.
- a method of preparing a composition for cosmetic or cosmetic skin containing adult stem cells, fibroblasts and fat or fat cells by mixing the separated cell layers with fat has been proposed.
- the container for enzyme treatment and centrifugation has a stopper that is fastened to the outer surface of the tube at the top in the form of a closed tube. Therefore, in order to move the contents of the tube or inject the washing solution into the container containing the fat-derived stem cells, the cap is opened to remove the separated substance to the outside of the container or the washing solution is put into the container.
- adipose derived stem cells In order to prepare adipose derived stem cells as described above, it is necessary to centrifuge by draining with a wash solution to obtain an active ingredient from inhaled or excised fat. In addition, the mixture should be formed for secondary use development, such as for molding purposes.
- Part of the problem that can be a big problem in this process is that it is not easy to separate the effective active ingredient in the first centrifugation process, and clinically, it is known that 500,000 cells can be separated from about 100cc of inhaled adipose tissue. It is an inefficient method of obtaining only one millionth of cells. That is, not only takes a long time to separate in the centrifugation process, but also damages the effective cells due to severe conditions at the time of separation.
- Another problem can be fatal. In other words, there is a risk of microbial contamination while the cells are exposed to the outside during the acquisition, separation, extraction of active ingredients, culture, and re-injection of fat, which can cause side effects due to secondary infection or contamination. Can be.
- the active ingredient inside the container is in contact with a large amount of air at the moment of opening the stopper connected to the container can be contaminated by fallout. Therefore, in the conventional clinic, the cost and time for the stability, such as the separation of stem cells in a clean room of class 1000 or more was required. In addition, in the case of removing the separated material, such as the separation of the layers separated by the eye clinicians had problems such as loss of the active ingredient.
- an object of the present invention is to provide a stem cell separation method with improved yield while minimizing damage to adipose tissue.
- Another object of the present invention is to provide a method for separating stem cells with improved stability by blocking the possibility of contamination in general atmospheric conditions.
- the present invention provides a stem cell separation method, wherein at least one through hole is formed in a piston that matches the inner diameter of a container including an inhalation material, and an enzyme or a washing solution may be introduced through the through hole.
- a connecting tube is formed so that the connecting tube has a distal end connected to the through hole and a distal end connected to an outer tube or another container containing an enzyme or a washing solution.
- the present invention in the stem cell separation method, at least one through hole is formed in the piston corresponding to the inner diameter of the container containing the suction material, to form a connection tube so that the enzyme or the washing solution can be introduced through the through hole,
- the connecting tube has a tip end connected to the through hole, and a distal end connected to an outer tube or another container containing an enzyme or a washing solution.
- the present invention is a centrifugal separation of the suction material, such as the washing liquid is injected into the active material, such as stem cells after the positive pressure is formed in the container by pushing the piston of the container, the rising fluid of the piston portion through-holes and connecting pipe It provides a method for separating stem cells that flow out through the.
- the present invention provides a stem cell separation method wherein the connecting tube is further connected to the tube is connected to another container.
- the present invention provides a stem cell separation method further comprising a valve for selectively connecting the metering means or one or more containers for quantitative control in the section in which the connecting tube or tube and another container is connected.
- the present invention also provides a stem cell separation method wherein the valve is a valve-type one-way valve or a Luerac 3-way valve.
- the present invention is the three-way valve in the first valve is connected to the connecting tube or tube, the second valve is connected to the container or the active ingredient extraction container containing the cleaning liquid, etc., the third valve is the removal component extraction container Or it provides a stem cell separation method connected to the container containing the washing solution.
- Stem cell separation method has the effect of obtaining the fat-derived stem cells with stability is secured by blocking the opportunity for the liposuction material contained in the container to contact the outside. .
- the method according to the present invention is capable of separating fat-derived stem cells using a syringe used during an inhalation procedure, thereby preventing cell contamination and eventually improving yield.
- FIG. 1 is a perspective view of a device for performing a separation method according to an embodiment of the present invention.
- Figure 2 is an exploded perspective view of a device for performing the separation method according to an embodiment of the present invention.
- FIG 3 is a perspective view of a device for performing a separation method according to another embodiment of the present invention.
- Figure 4 is an exploded perspective view of a device for performing a separation method according to another embodiment of the present invention.
- tissue is adipose tissue, blood, bone marrow, muscle, skin, liver, connective tissue, fascia and other soft liquid tissues or tissue components. It includes, but is not limited to these.
- Liposuction material refers to all materials that occur during liposuction. Typically such liposuction material includes adipose tissue and suction by liposuction.
- a starting material should be obtained.
- the starting material can be obtained via liposuction as fat.
- the fat may be human fat, and may be autologous fat when it is cultured with adipose derived stem cells and used for molding purposes.
- liposuction can be made at the desired site, and fat can be collected through a syringe.
- the syringe which may be used includes all types capable of collecting fat, and as a non-limiting example, Korean Patent Application Nos. 2003-5029, 2005-61134, 2005-34848, It may be a syringe disclosed in 2006-64946, Korean Utility Model Application No. 2003-21484, 2004-10685, 2006-26454.
- the syringe is characterized in that the liposuction material sucked at the same time as the liposuction is blocked from the atmosphere.
- the aspirated liposuction material may be treated as an enzyme such as collagen after extracting only the active ingredient through centrifugation.
- an enzyme treatment or washing solution is added, the enzyme or washing solution is added by opening one end of a container containing a liposuction material. In this process, inhaled substances are exposed to the atmosphere, which causes a problem of deterioration of stability.
- the present invention may use a piston 130 that matches the inner diameter of the container 110 containing the suction material in order to minimize the phenomenon that the suction material is exposed to the atmosphere.
- One or more through holes 131 may be formed in the piston, and a connection pipe 150 may be used so that an enzyme or a washing solution may be introduced through the through holes 131.
- the connecting tube 150 may be connected to the front end portion 151 and the through hole 131 and the end portion 153 to another tube including the tube 170 or the enzyme or the washing solution.
- connection pipe 150 may be connected to another container such that a separate tube is further connected for convenience of use, and may be selectively connected to one or more containers for metering control or to any section connected to another container.
- Non-limiting examples may be valve 190, such as a valve-type one-way valve, a 3-way valve with Luor Lock.
- the valve may be manual or automatic.
- a negative pressure is formed in the container by pulling the piston of the container to inject the enzyme or the washing liquid into the container containing the suction material. Then, the enzyme or the washing liquid may be introduced into the container through the through hole of the connecting pipe and the piston.
- the inhalation material into which the washing solution is added is separated from an active ingredient such as stem cells by centrifugation.
- Other ingredients except for the active ingredient should be removed in the container.
- the removal process may be performed in the opposite direction to the input process. That is, when positive pressure is formed in the container by pushing the piston of the container, the rising fluid of the piston part may flow out through the through hole and the connection pipe. At this time, the other end of the connecting tube or tube may be connected to another container for receiving the component to be removed.
- the removal component may be selectively removed from the container, and then only the active ingredient may be extracted into another container (for example, a syringe), or may be connected to an included container such as the washing solution.
- the 3-way valve may include a first valve connected to a connection pipe or a tube, a second valve connected to a container or an active ingredient extraction container including a washing liquid, or a third valve including a removing component extraction container or a washing liquid. It can be connected to the included container.
- the connection structure is one example and is not limited thereto.
- the active ingredient when the stem cell separation can be performed several times repeatedly, the active ingredient can minimize the chance of exposure to the atmosphere.
- the container containing the inhalation material may be a syringe used during the inhalation procedure.
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Abstract
Description
Claims (7)
- 줄기세포 분리방법에 있어서,흡입물질이 포함된 용기의 내경과 일치되는 피스톤에 1 이상의 관통공이 형성되고, 상기 관통공을 통하여 효소나 세척액이 투입될 수 있도록 연결관을 형성하되 상기 연결관은 선단부가 상기 관통공과 연결되고 말단부가 외부관이나 효소나 세척액 등이 포함된 다른 용기에 연결되어 있어,상기 효소나 세척액을 흡입물질이 포함된 용기에 투입하기 위하여 상기 피스톤을 당겨 용기 내에 음압을 형성시켜 상기 연결관과 피스톤의 관통공을 통하여 효소나 세척액이 상기 용기 내로 투입됨을 특징으로 하는 줄기세포 분리방법.
- 줄기세포 분리방법에 있어서,흡입물질이 포함된 용기의 내경과 일치되는 피스톤에 1 이상의 관통공이 형성되고, 상기 관통공을 통하여 효소나 세척액이 투입될 수 있도록 연결관을 형성하되 상기 연결관은 선단부가 상기 관통공과 연결되고 말단부가 외부관이나 효소나 세척액 등이 포함된 다른 용기에 연결되어 있어,상기 용기의 피스톤을 밀어 용기 내에 양압이 형성되면 피스톤 부분의 상승 유체가 관통공과 연결관을 통하여 외부로 유출됨을 특징으로 하는 줄기세포 분리방법.
- 제1항에 있어서,상기 세척액 등이 투입된 흡입물질을 원심분리 등의 과정을 거쳐 줄기세포와 같은 유효성분이 분리된 후 상기 용기의 피스톤을 밀어 용기 내에 양압이 형성되면 피스톤 부분의 상승 유체가 관통공과 연결관을 통하여 외부로 유출됨을 특징으로 하는 줄기세포 분리방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 연결관은 튜브가 더 연결되어 다른 용기와 연결됨을 특징으로 하는 줄기세포 분리방법.
- 제4항에 있어서,상기 연결관 또는 튜브와 다른 용기가 연결되는 구간에 정량제어를 위한 계량수단이나 1 이상의 용기와 선택적으로 연결되기 위해 밸브가 더 형성됨을 특징으로 하는 줄기세포 분리방법.
- 제5항에 있어서,상기 밸브는 판막형 원웨이 밸브 또는 루어락 3-웨이 밸브임을 특징으로 하는 줄기세포 분리방법.
- 제6항에 있어서,상기 3-웨이 밸브는 제1밸브가 연결관 또는 튜브와 연결되고, 제2밸브가 세척액 등이 포함된 용기 또는 유효성분 추출용기에 연결되고, 제3밸브가 제거성분 추출용기 또는 세척액 등이 포함된 용기에 연결됨을 특징으로 하는 줄기세포 분리방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/509,757 US8673639B2 (en) | 2009-11-17 | 2009-11-23 | Methods for isolating stem cells |
CN200980162506XA CN102741424A (zh) | 2009-11-17 | 2009-11-23 | 分离干细胞的方法 |
EP09851498.7A EP2503007A4 (en) | 2009-11-17 | 2009-11-23 | METHOD FOR THE SEPARATION OF STEM CELLS |
JP2012538741A JP5668075B2 (ja) | 2009-11-17 | 2009-11-23 | 幹細胞の分離方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20090111080 | 2009-11-17 | ||
KR10-2009-0111080 | 2009-11-17 |
Publications (1)
Publication Number | Publication Date |
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WO2011062313A1 true WO2011062313A1 (ko) | 2011-05-26 |
Family
ID=44059778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/006890 WO2011062313A1 (ko) | 2009-11-17 | 2009-11-23 | 줄기세포 분리방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8673639B2 (ko) |
EP (1) | EP2503007A4 (ko) |
JP (1) | JP5668075B2 (ko) |
CN (1) | CN102741424A (ko) |
WO (1) | WO2011062313A1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011080218A1 (de) * | 2010-10-20 | 2012-04-26 | Human Med Ag | Verfahren und Vorrichtung zum Separieren von adulten Stammzellen aus Fettgewebe |
US8673639B2 (en) | 2009-11-17 | 2014-03-18 | Hee Young Lee | Methods for isolating stem cells |
CN106994396A (zh) * | 2017-05-23 | 2017-08-01 | 武汉朗克医疗器械有限公司 | Prp连续离心分离装置及分离方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3230433B1 (en) * | 2014-12-08 | 2021-08-25 | Saint-Gobain Performance Plastics Corporation | Closed system for extracting isolated medium |
DE102015109148B3 (de) * | 2015-06-10 | 2016-05-04 | Human Med Ag | Vorrichtung zum Separieren von regenerativen und adulten Stammzellen |
AU2016348398A1 (en) * | 2015-11-02 | 2018-05-17 | Lifecell Corporation | Devices and methods for automated filling and dispensing of adipose tissue with control of shear |
WO2017195225A1 (en) | 2016-05-10 | 2017-11-16 | Promoitalia Group Spa | Method for extracting and separating stem cells derived from adipose tissue for aesthetic treatments |
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- 2009-11-23 CN CN200980162506XA patent/CN102741424A/zh active Pending
- 2009-11-23 JP JP2012538741A patent/JP5668075B2/ja active Active
- 2009-11-23 WO PCT/KR2009/006890 patent/WO2011062313A1/ko active Application Filing
- 2009-11-23 US US13/509,757 patent/US8673639B2/en active Active
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US8673639B2 (en) | 2009-11-17 | 2014-03-18 | Hee Young Lee | Methods for isolating stem cells |
DE102011080218A1 (de) * | 2010-10-20 | 2012-04-26 | Human Med Ag | Verfahren und Vorrichtung zum Separieren von adulten Stammzellen aus Fettgewebe |
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DE102011080218B4 (de) * | 2010-10-20 | 2014-11-20 | Human Med Ag | Verfahren und Vorrichtung zum Separieren von adulten Stammzellen aus Fettgewebe |
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JP5668075B2 (ja) | 2015-02-12 |
EP2503007A1 (en) | 2012-09-26 |
JP2013510569A (ja) | 2013-03-28 |
US20120276629A1 (en) | 2012-11-01 |
US8673639B2 (en) | 2014-03-18 |
EP2503007A4 (en) | 2013-10-09 |
CN102741424A (zh) | 2012-10-17 |
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