WO2013190630A1 - 細胞培養容器、それを用いた細胞培養方法および自動細胞培養装置 - Google Patents
細胞培養容器、それを用いた細胞培養方法および自動細胞培養装置 Download PDFInfo
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- WO2013190630A1 WO2013190630A1 PCT/JP2012/065572 JP2012065572W WO2013190630A1 WO 2013190630 A1 WO2013190630 A1 WO 2013190630A1 JP 2012065572 W JP2012065572 W JP 2012065572W WO 2013190630 A1 WO2013190630 A1 WO 2013190630A1
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/28—Constructional details, e.g. recesses, hinges disposable or single use
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/10—Petri dish
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- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/46—Means for fastening
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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
- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/02—Membranes; Filters
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/48—Automatic or computerized control
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0696—Artificially induced pluripotent stem cells, e.g. iPS
Definitions
- the present invention relates to a cell culture container and a cell culture method using the same.
- various cells are subcultured.
- the adhesion-dependent cells grow by adhering to the bottom surface (culture surface) of the culture container, it is necessary to consider that the cell density is always in a certain range. If the cell density is too low and the distance between adjacent cells is increased, adhesion-dependent cells may die due to a reduced growth rate. On the other hand, if the cell density is too high and the distance between adjacent cells becomes small, the adhesion-dependent cells may stop cell proliferation and die as they are. Therefore, when culturing adhesion-dependent cells, it is necessary to perform subculture in which the cells are sequentially planted.
- culture is performed in a culture vessel having a small culture area at the beginning of the culture so that the density of adhesion-dependent cells does not become too low. Therefore, when the adhesion-dependent cells grow to a certain extent, they are planted in a culture container having a larger culture area or a plurality of culture containers having the same culture area. This operation is repeated to grow adhesion-dependent cells to the desired number of cells.
- the culture container is discarded as medical industry waste. Since the reuse of the culture container requires cleaning, sterilization, surface treatment, etc., the culture container is basically disposable, which increases the running cost and the industrial waste. In particular, in the case of a large-area culture vessel, the production of the culture vessel main body is very complicated and costly.
- Patent Document 1 proposes a cell culture container in which a synthetic resin sheet is welded to a culture container housing.
- Patent Document 2 proposes a cell culture substrate formed of a film that transfers a cell pattern or the like to a desired target material.
- An object of the present invention is to promote a reduction in the running cost of the cell culture container and the amount of industrial waste by providing a culture container in which the cell culture surface can be exchanged.
- An example of the cell culture container of the present invention is a cell culture container provided with a housing and a bottom support of the container, wherein the casing and the bottom support form a cell culture space, A fixing means for detachably fixing the bottom surface support is provided, and an exchangeable culture surface is provided on the bottom surface support.
- Another example of the cell culture container of the present invention is a cell culture container having a container housing, wherein the cell culture space having a bottom surface, a side surface, and an upper surface is formed by the housing, and the cell culture A culture surface provided on the bottom surface of the space, a cell detachment mechanism provided on the culture surface, and a continuous exchange mechanism of the culture surface are provided.
- the cell culturing method of the present invention is a cell culturing method using the cell culturing vessel, comprising culturing cells using the cell culturing vessel, exchanging the culture surface after culturing cells,
- the method includes the step of sterilizing components other than the surface.
- the automatic cell culture device of the present invention includes the cell culture container, a medium supply mechanism for supplying a culture medium to the culture container, a mixed gas supply mechanism for supplying a mixed gas to the culture container, And a cell observation mechanism for observing the culture surface.
- FIG. 1 shows an assembly drawing of the cell culture container of Example 1
- FIG. 2 shows an exploded view thereof.
- reference numeral 1 denotes a bottom surface support that constitutes the bottom surface of the cell culture space
- 2 denotes a protrusion provided on the bottom surface support
- 3 denotes a culture surface
- 4 denotes a lock portion provided on the housing
- 5 denotes a cell.
- a cylindrical casing constituting the side surface of the culture space, and 6 is a lid that covers the casing.
- the culture surface 3 is set on the bottom support 1 and the housing 5 is placed thereon.
- the housing 5 and the bottom support 1 are detachably fixed by a lock portion 4 and a projection portion 2 provided on each of them.
- the culture vessel is configured by covering the lid 6.
- the culture surface 3 is exchangeable and is composed of a film, a sheet, or a plate subjected to cell adsorption treatment. Moreover, in order to improve the sealing property between the housing
- the sealing member for example, an O-ring 3A structure having a good sealing property is provided on the outer periphery of the culture surface 3 as shown in FIG.
- the O-ring 3A may be configured separately from the culture surface 3, or may be configured integrally with the culture surface 3 by being attached to the culture surface 3 by adhesion or the like. By configuring the O-ring integrally with the culture surface in advance, the culture surface can be easily replaced.
- a suspension of the target cells is injected into the culture vessel. Furthermore, the culture vessel is placed in an incubator for cell culture and cell culture is performed. When the cell growth limit on the culture surface is reached, the culture medium is drained and the cells are washed with PBS (physiological saline). Subsequently, trypsin is injected into the initial culture region to detach the cells from the culture surface, and then a medium is injected to float the cells in the medium. Next, the cell suspension containing the cells is collected. Conventionally, after the cell culture operation is finished, the used culture container is sterilized by an autoclave and discarded as industrial waste.
- PBS physiological saline
- the lock 4 and the protrusion 2 are detached, only the culture surface 3 is replaced with a new one, and other components are sterilized.
- FIG. 4 is a vacuum suction port and 8 is a vacuum suction hole.
- a method for adsorbing and desorbing the culture surface 3 is shown in FIG.
- FIG. 5 (a) by evacuating air from the vacuum suction port 7 of the bottom support 1, the culture surface film 3 is sucked through the vacuum suction hole 8, and the culture surface film 3 is removed from the bottom support 1 by atmospheric pressure. It can be fixed in close contact with the surface.
- the film-type culture surface can be fixed to the support surface with uniform pressure and good adhesion without using an adhesive or the like.
- the above-described culture vessel lid 6 and bottom support 1 can be formed using glass, silicon, quartz, or a solid substrate such as plastics and polymers as a base material. More preferably, the material has light transmittance that allows observation with an optical microscope or the like, and the culture surface 3 is a material that can be surface-modified by cleaning and pretreatment before cells are attached to the surface. It is desirable to provide.
- the shape of the outer frame of the culture vessel may be a circular shape or a polygonal shape such as a quadrangle.
- FIG. 6 shows an assembly drawing of the cell culture container of Example 2
- FIG. 7 shows an exploded view thereof.
- a cell culture space is formed by the housing 5 of the culture container and the bottom support 1, an inlet 10 and an outlet 11 for the mixed gas for culture in the culture space, and an inlet for medium replacement in the culture space.
- the outlet 9 a structure in which the fixing means including the lock portion 4 and the protrusion 2 are provided on the housing 5 and the bottom support 1, and the exchangeable culture surface 3 is provided on the bottom support 1.
- the mixed gas is preferably air with 5% CO 2 and humidity of 90% or more.
- the culture surface 3 in this example is exchanged manually, but if the structure is as shown in FIGS. 8 and 9, the culture surface can be automatically exchanged.
- the portions other than the film supply roll 12 ⁇ / b> A, the film collection roll 12 ⁇ / b> B, and the lifting mechanism 13 are the same as those in FIGS. 6 and 7.
- the elevating mechanism 13 is raised, and the housing 5 is detached from the bottom support 1.
- the film collection roll 12B is wound, and a new culture surface is sent from the film supply roll 12A into the culture container.
- the elevating mechanism 13 is lowered, and the housing 5 is fixed to the bottom surface support 1 by the lock portion 4 and the protruding portion 2.
- the automatic exchange of the culture surface 3 is completed.
- the film for cell culture is a roll type, pretreatment is easy and suitable for mass processing. It is also possible to form a cell culture pattern on the film, and various cell tissues such as cell sheets can be cultured.
- the culture vessel of the present embodiment can be closed and automatically cultured by directly supplying a mixed gas or medium to the culture space. According to the present embodiment, it is possible to promote the reduction of the running cost of the cell culture container and the reduction of the amount of industrial waste.
- FIG. 10 shows a cross-sectional view of the cell culture container of Example 3, and FIG. 11 shows a plan view thereof.
- the culture container of this example forms a cell culture space with the housing 5 of the culture container, the culture mixed gas inlet 10 and the outlet 11 in the culture space, the culture medium exchange inlet / outlet 9 in the culture space, A cell peeling mechanism 14 provided on the culture surface 3 and a structure capable of continuously exchanging the culture surface 3 are provided.
- the culture surface 3 is composed of a film.
- a film serving as a culture surface is supplied from the film supply roll 12A to the culture container, and is placed on the bottom surface of the culture container by the rotating roll 12C. When the film is exchanged, the film is wound around the film collection roll.
- a cell peeling mechanism 14 is provided on the surface side of the film near the rotating roll 12C on the film collection side.
- the casing 5 of the culture vessel is provided with a culture mixed gas inlet 10 and an outlet 11 in the culture space, and a medium replacement inlet / outlet 9 in the culture space.
- the culture medium 3 is introduce
- the culture is stopped.
- the cell peeling mechanism 14 for example, a scraper, and suspended in the medium 15.
- the cell peeling mechanism 14 for example, a scraper, and suspended in the medium 15.
- it can be re-seeded on a new culture surface and subcultured. According to the present embodiment, it is possible to promote the reduction of the running cost of the cell culture container and the reduction of the amount of industrial waste.
- the culture container of this example can also be used for subculture of iPS (artificial pluripotent stem cells).
- a medium supply mechanism for supplying a culture medium to the culture container, a mixed gas supply mechanism for supplying a mixed gas to the culture container, and a cell observation mechanism for observing the culture surface of the culture container An automatic cell culture device can be constructed.
- a cell culture container having a two-layer continuous culture surface exchange structure according to Example 4 of the present invention will be described with reference to FIG.
- the culture container according to the present embodiment forms a cell culture space with the housing of the culture container, the culture mixed gas inlet 10 and the outlet 11 in the culture space, the culture medium replacement inlet / outlet 9 in the culture space, and the culture space.
- culture surfaces 3A and 3B that can be continuously exchanged in two layers.
- the culture surfaces 3A and 3B are made of a film, supplied from the film supply roll 12A to the culture container, and arranged on the bottom side of the culture container by the rotating roll 12C. .
- the culture vessel of this example can be used for co-culture of two types or two or more types of cells, like an insert type culture vessel, if an upper porous film is used. According to the present embodiment, it is possible to promote the reduction of the running cost of the cell culture container and the reduction of the amount of industrial waste.
- the present invention is not limited to the above embodiments as long as the characteristics of the present invention are not impaired, and other forms conceivable within the scope of the technical idea of the present invention are also included in the scope of the present invention.
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Abstract
Description
2 突起部
3 培養面
3A オーリング
4 ロック部
5 筺体
6 蓋
7 真空引き口
8 真空引き穴
9 培地入口出口
10 混合ガス入口
11 混合ガス出口
12A フィルム供給ロール
12B フィルム回収ロール
12C 回転ロール
13 昇降機構
14 細胞剥離機構
15 培地
16 細胞
Claims (15)
- 容器の筐体と底面支持体を備える細胞培養容器であって、
前記筺体と前記底面支持体とで細胞培養空間を形成し、
前記筺体は、前記底面支持体を着脱可能に固定するための固定手段を備え、
前記底面支持体上に交換可能な培養面を設けることを特徴とする細胞培養容器。 - 請求項1に記載の細胞培養容器において、
前記筐体は、細胞培養空間の筒状の側面部を形成するものであり、
更に、前記筐体を覆う蓋を備えることを特徴とする細胞培養容器。 - 請求項1に記載の細胞培養容器において、
前記筐体は、細胞培養空間の筒状の側面部および蓋部を形成することを特徴とする細胞培養容器。 - 請求項3に記載の細胞培養容器において、
前記細胞培養空間に培養用混合ガスを導入する入口および排出する出口と、
前記細胞培養空間に培地を導入または排出する培地交換用入口出口を備えることを特徴とする細胞培養容器。 - 請求項1~4の何れか1つに記載の細胞培養容器において、
前記交換可能な培養面は、細胞吸着処理を実施したフィルム、シートまたはプレートからなることを特徴とする細胞培養容器。 - 請求項1~5の何れか1つに記載の細胞培養容器において、
前記固定手段は、前記底面支持体と前記筐体との一方に設けた突起部と、他方に設けたロック部とからなることを特徴とする細胞培養容器。 - 請求項1~6の何れか1つに記載の細胞培養容器において、
前記交換可能な培養面と前記筐体の間に、シール部材を有することを特徴とする細胞培養容器。 - 請求項7に記載の細胞培養容器において、
前記シール部材は、前記培養面と予め一体化されていることを特徴とする細胞培養容器。 - 請求項1~8の何れか1つに記載の細胞培養容器において、
前記底面支持体には、前記培養面の吸着・脱着構造を有することを特徴とする細胞培養容器。 - 請求項3に記載の細胞培養容器であって、
前記筐体を昇降させる昇降機構と、
前記底面支持体上に連続交換可能な培養面を設けることを特徴とする細胞培養容器。 - 容器の筐体を備える細胞培養容器であって、
前記筺体で底面、側面および上面を備える細胞培養空間を形成し、
前記細胞培養空間の底面上に設けた培養面と、
前記培養面上に設けた細胞剥離機構と、
前記培養面の連続交換機構を備えることを特徴とする細胞培養容器。 - 請求項11に記載の細胞培養容器であって、
前記培養面は、細胞吸着処理を実施した連続したフィルムまたはシートで形成されており、
前記培養面の連続交換機構は、前記フィルムまたはシートを供給する供給ロールと、フィルムを回収する回収ロールを含むことを特徴とする細胞培養容器。 - 請求項11または請求項12に記載の細胞培養容器であって、
前記培養空間に2層連続交換可能な培養面を設けることを特徴とする細胞培養容器。 - 請求項1~13の何れか1つに記載の細胞培養容器を用いた細胞培養方法であって、
前記細胞培養容器を用いて細胞培養するステップと、
細胞培養後に、前記培養面を交換するステップと、
培養面以外の構成部品を滅菌するステップを含むことを特徴とする細胞培養方法。 - 請求項1~13の何れか1つに記載の細胞培養容器と、
前記培養容器に培地を供給する培地供給機構と、
前記培養容器に混合ガスを供給する混合ガス供給機構と
前記培養容器の培養面を観察する細胞観察機構と、を有することを特徴とする自動細胞培養装置。
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US14/408,670 US20150175949A1 (en) | 2012-06-19 | 2012-06-19 | Cell culturing vessel, and cell culturing method and automated cell culturing device using same |
JP2014521119A JP5996646B2 (ja) | 2012-06-19 | 2012-06-19 | 細胞培養容器、それを用いた細胞培養方法および自動細胞培養装置 |
PCT/JP2012/065572 WO2013190630A1 (ja) | 2012-06-19 | 2012-06-19 | 細胞培養容器、それを用いた細胞培養方法および自動細胞培養装置 |
EP12879294.2A EP2862922A4 (en) | 2012-06-19 | 2012-06-19 | CELL CULTIVATION VESSEL AND CELL CULTURE PROCESS AND AUTOMATED CELL CULTIVATION DEVICE THEREWITH |
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JP2021023173A (ja) * | 2019-08-01 | 2021-02-22 | 株式会社島津製作所 | 細胞培養装置および細胞播種方法 |
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CN107746798B (zh) * | 2017-11-18 | 2021-07-06 | 新奥科技发展有限公司 | 微藻培养装置 |
IT201900012696A1 (it) * | 2019-07-23 | 2021-01-23 | Scuola Superiore Santanna | Supporto per colture cellulari per stimolazione ultrasonica controllata |
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JP2021023173A (ja) * | 2019-08-01 | 2021-02-22 | 株式会社島津製作所 | 細胞培養装置および細胞播種方法 |
Also Published As
Publication number | Publication date |
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JP5996646B2 (ja) | 2016-09-21 |
EP2862922A1 (en) | 2015-04-22 |
EP2862922A8 (en) | 2015-08-19 |
JPWO2013190630A1 (ja) | 2016-02-08 |
EP2862922A4 (en) | 2016-03-02 |
US20150175949A1 (en) | 2015-06-25 |
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