WO2017122658A1 - 細胞培養容器および培地交換システム - Google Patents
細胞培養容器および培地交換システム Download PDFInfo
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- WO2017122658A1 WO2017122658A1 PCT/JP2017/000569 JP2017000569W WO2017122658A1 WO 2017122658 A1 WO2017122658 A1 WO 2017122658A1 JP 2017000569 W JP2017000569 W JP 2017000569W WO 2017122658 A1 WO2017122658 A1 WO 2017122658A1
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- medium
- holding container
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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
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/36—Apparatus for enzymology or microbiology including condition or time responsive control, e.g. automatically controlled fermentors
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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
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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
- C12M23/42—Integrated assemblies, e.g. cassettes or cartridges
-
- 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
-
- 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
- C12M3/00—Tissue, human, animal or plant cell, or virus culture apparatus
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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
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/32—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of substances in solution
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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
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/02—Identification, exchange or storage of information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0457—Moving fluids with specific forces or mechanical means specific forces passive flow or gravitation
Definitions
- the present invention relates to a cell culture container and a medium exchange system capable of culturing cells for a long period of time.
- the operation of changing the medium will impact the cells and may affect the cells, such as the destruction of the three-dimensional structure of the cells. Therefore, it is preferable to cultivate the cells for a long period of time in a state where they are left in the incubator without taking out the culture vessel containing the cells and the medium from the incubator and replacing the medium. If you proceed, the effect on the cells will increase.
- the present invention has been made in view of the above-described circumstances, and provides a cell culture container and a medium exchange system capable of culturing cells for a long period of time while standing in an incubator by slowing down the deterioration rate of the medium.
- the purpose is to do.
- One embodiment of the present invention has a medium holding container for holding a medium for culturing cells and a supply port through which the medium is supplied from the medium holding container on the upper surface, and the medium holding container through the supply port
- a cell holding container for holding the medium and cells supplied from the cell a waste liquid holding container for holding the medium discharged from the cell holding container, and the cell holding when the medium in the cell holding container exceeds a predetermined amount
- the deterioration rate of the medium can be slowed by replacing the unused medium and the deteriorated medium over time, and the cells are cultured for a long time in a state where the cell culture container is left in the incubator. be able to.
- the bottom surface of the culture medium holding container and the top surface of the cell holding container may be arranged adjacent to each other to form a boundary surface, and the supply port may be opened in the boundary surface.
- the culture medium holding container may communicate with the supply port via a tubular member, and the culture medium holding container may be disposed above the cell holding container in the gravity direction. This makes it easy to attach and detach the culture medium holding container, so that it becomes easy to replenish the culture medium holding container with an unused culture medium. It is also possible to replace with another medium holding container holding an unused medium.
- the culture medium holding container may be a bag that can be attached to and detached from the supply port.
- the cell holding container has a discharge port for discharging the medium from the cell holding container to the waste liquid holding container on the bottom surface, and the discharge mechanism is connected to the inside of the cell holding container from the discharge port.
- the bottom surface of the cell holding container and the top surface of the waste liquid holding container may be disposed adjacent to each other to form a second boundary surface, and the discharge port may be opened in the second boundary surface.
- the cell holding container has a discharge port for discharging the medium on a side surface at a predetermined height from the bottom surface, and the discharge mechanism discharges the medium from the discharge port to the waste liquid holding container.
- the bottom surface of the cell holding container and the top surface of the waste liquid holding container may be arranged adjacent to each other to form a second boundary surface.
- Another aspect of the present invention is a cell culture container in which an internal space is partitioned into a medium holding space, a cell holding space, and a waste liquid holding space in order from the top in the direction of gravity, and the medium holding space and the cell holding A first partition partitioning the space; a second partition partitioning the cell retention space and the waste fluid retention space; a first opening that opens to the first partition and communicates the medium retention space and the cell retention space; A cell culture vessel comprising a second opening that opens to the second partition wall and communicates the cell holding space and the waste liquid holding space.
- the deterioration rate of the medium can be slowed by replacing the unused medium and the deteriorated medium over time, and the cells are cultured for a long time in a state where the cell culture container is left in the incubator. Can do.
- Another aspect of the present invention is a medium holding container that holds a medium for culturing cells, which is arranged in order from the top in the direction of gravity, the medium supplied from the medium holding container, and a cell holding container that holds cells.
- a cell culture container provided with a waste liquid holding container for holding the medium discharged from the cell holding container, and a container holder on which the cell culture container is mounted, the cell culture container comprising the medium holding container and the cell
- a first tubular member that communicates with the holding container; and a second tubular member that communicates between the cell holding container and the waste liquid holding container, and the medium passes through the first tubular member from the medium holding container to the cell holding container.
- First flow rate control means for controlling the flow rate of the culture medium flowing inside the first tubular member
- second flow rate control means for controlling the flow rate of the culture medium flowing inside the second tubular member
- the first flow rate It is a culture medium exchange system provided with a control means and a control part which controls the 2nd flow rate control means.
- the deterioration rate of the medium can be slowed by replacing the unused medium and the deteriorated medium over time, and the cells are cultured for a long time in a state where the cell culture container is left in the incubator. be able to. This makes it possible to culture cells that form a three-dimensional structure without destroying the structure.
- a cell culture container 100 according to the first embodiment of the present invention is a container having the configuration shown in FIG. 1 and includes a medium holding container 1, a cell holding container 2, and a waste liquid holding container 3.
- the medium holding container 1, the cell holding container 2, and the waste liquid holding container 3 are arranged adjacently from above in the direction of gravity.
- the medium holding container 1 and the cell holding container 2 are separated from each other by the first boundary surface 6, and the cell holding container 2 and the waste liquid holding container 3 are separated from each other by the second boundary surface 7.
- the medium holding container 1 can hold the unused medium A inside, and can supply the medium A to the cell holding container 2 through the supply port 4 opened in the first boundary surface 6.
- the medium holding container 1 has an opening (not shown) for replenishing an unused medium A inside.
- the cell holding container 2 can hold the medium A and cells therein and has an opening 2a through which the medium A and cells can be taken in and out.
- the medium A in the medium holding container 1 is dropped and supplied from the supply port 4 to the internal space of the cell holding container 2.
- the dropping speed is determined by the diameter of the supply port 4.
- a discharge port 5 a for discharging the medium A from the cell holding container 2 to the waste liquid holding container 3 is opened on the second boundary surface 7.
- a tubular member 5 b that protrudes from the discharge port 5 a to the upper part of the internal space of the cell holding container 2 to a predetermined height h and forms a channel that opens at the predetermined height h is installed. ing.
- the medium A in the cell holding container 2 reaches a predetermined amount and exceeds the height h, the medium A overflows into the tubular member 5b from the opening 5c and is dropped into the waste liquid holding container 3 through the discharge port 5a.
- the discharge port 5 a, the tubular member 5 b, and the opening 5 c function as the discharge mechanism 5.
- the waste liquid holding container 3 can hold the medium A discharged from the cell holding container 2.
- the waste liquid holding container 3 may have an opening for discharging the waste liquid (medium A) from the inside.
- the user of the present cell culture container 100 first supplies the medium A and cells to be cultured into the cell holding container 2 from the opening 2a. Further, an unused medium A is supplied into the medium holding container 1 from an opening (not shown) of the medium holding container 1. In this state, the cell culture vessel 100 is placed in an incubator and culture is started.
- the unused medium A held in the medium holding container 1 is dropped and supplied from the supply port 4 to the space in the cell holding container 2.
- the amount of the medium A in the cell holding container 2 increases with time.
- the height of the medium A in the cell holding container 2 exceeds h, excess medium overflows into the tubular member 5b from the opening 5c and is dropped into the waste liquid holding container 3 through the discharge port 5a.
- the unused medium A is replaced with the deteriorated medium A over time, and the deterioration rate of the medium A can be slowed.
- exchange efficiency of the culture medium A can be raised by arrange
- the cell culture container 200 according to the second embodiment of the present invention is different from the first embodiment in that a discharge mechanism 8 is provided instead of the discharge mechanism 5.
- the rest is the same as in the first embodiment.
- the medium holding container 1, the cell holding container 2, and the waste liquid holding container 3 are arranged adjacently from above in the direction of gravity.
- the medium holding container 1 and the cell holding container 2 are separated from each other by the first boundary surface 6, and the cell holding container 2 and the waste liquid holding container 3 are separated from each other by the second boundary surface 7.
- the medium holding container 1 can hold the unused medium A inside, and can supply the medium A to the cell holding container 2 through the supply port 4 opened in the first boundary surface 6.
- the medium holding container 1 has an opening (not shown) for replenishing unused medium A inside.
- the cell holding container 2 can hold the medium A and cells therein and has an opening 2a through which the medium A and cells can be taken in and out.
- the medium A in the medium holding container 1 is dropped and supplied from the supply port 4 to the internal space of the cell holding container 2.
- the dropping speed is determined by the diameter of the supply port 4.
- a discharge port 8c for discharging the medium A is opened on the side surface of the cell holding container 2 at a predetermined height h from the bottom surface.
- a tubular member 8 b that forms a flow path from the discharge port 8 c to the opening 8 a of the waste liquid holding container 3 is installed outside the cell holding container 2.
- the medium A in the cell holding container 2 exceeds the height h, the medium A overflows into the tubular member 8b from the discharge port 8c, and is discharged into the waste liquid holding container 3 through the opening 8a.
- the opening 8 a, the tubular member 8 b, and the discharge port 8 c function as the discharge mechanism 8.
- the waste liquid holding container 3 can hold the medium A discharged from the cell holding container 2.
- the waste liquid holding container 3 may have an opening for discharging the waste liquid (medium A) from the inside.
- the user of the present cell culture container 200 first supplies the medium A and the cells to be cultured into the cell holding container 2 from the opening 2a. Moreover, the unused culture medium A is supplied to the culture medium holding container 1 from an opening (not shown). In this state, the cell culture container 200 is placed in an incubator and culture is started.
- the unused medium A held in the medium holding container 1 is dropped and supplied from the supply port 4 to the space in the cell holding container 2.
- the amount of the medium A in the cell holding container 2 increases with time.
- excess medium A overflows into the tubular member 8b from the discharge port 8c and is discharged into the waste liquid holding container 3 through the opening 8a.
- the unused medium A is replaced with the deteriorated medium A over time, and the deterioration rate of the medium A can be slowed.
- the replacement efficiency of the culture medium A can be increased by arranging the supply port 4 and the discharge port 8c as far apart as possible in the horizontal direction.
- the cell culture container 300 As shown in FIG. 3, the cell culture container 300 according to the third embodiment of the present invention includes a medium holding container 11 instead of the medium holding container 1, and the medium A is placed in the cell holding container 2 via the tubular member 12. It differs from the first embodiment in that it is supplied. The rest is the same as in the first embodiment.
- the medium holding container 11, the cell holding container 2, and the waste liquid holding container 3 are arranged in this order from the top in the gravity direction.
- the culture medium holding container 11 and the cell holding container 2 communicate with each other through a tubular member 12.
- the cell holding container 2 and the waste liquid holding container 3 are separated from each other by the second boundary surface 7.
- the medium holding container 11 can hold an unused medium A inside, and is disposed above the cell holding container 2 in the gravity direction.
- the medium A in the medium holding container 11 is supplied into the cell holding container 2 from the supply port 4 through the tubular member 12 by gravity.
- the cell holding container 2 can hold the medium A and cells therein and has an opening 2a through which the medium A and cells can be taken in and out.
- the medium A in the medium holding container 11 is dropped and supplied from the supply port 4 to the space in the cell holding container 2.
- the dropping speed is determined by the diameter of the supply port 4.
- a discharge port 5 a for discharging the medium A from the cell holding container 2 to the waste liquid holding container 3 is opened on the second boundary surface 7.
- a tubular member 5 b that protrudes from the discharge port 5 a to the upper part of the internal space of the cell holding container 2 to a predetermined height h and forms a channel that opens at the predetermined height h is installed. ing.
- the medium A in the cell holding container 2 reaches a predetermined amount and exceeds the height h, the medium A overflows into the tubular member 5b from the opening 5c and is dropped into the waste liquid holding container 3 through the discharge port 5a.
- the discharge port 5 a, the tubular member 5 b, and the opening 5 c function as the discharge mechanism 5.
- the waste liquid holding container 3 can hold the medium A discharged from the cell holding container 2.
- the waste liquid holding container 3 may have an opening for discharging the waste liquid (medium A) from the inside.
- the user of the present cell culture container 300 first supplies the medium A and the cells to be cultured into the cell holding container 2 from the opening 2a. Further, a medium holding container 11 holding an unused medium A inside is connected to the supply port 4 via a tubular member 12. At this time, the culture medium holding container 11 is disposed above the cell holding container 2 in the direction of gravity. In this state, the cell culture vessel 300 is installed in an incubator and culture is started.
- the unused medium A held in the medium holding container 11 is dropped and supplied from the supply port 4 to the internal space of the cell holding container 2.
- the amount of the medium A in the cell holding container 2 increases with time.
- excess medium A overflows into the tubular member 5b from the opening 5c and is dropped into the waste liquid holding container 3 through the discharge port 5a.
- the unused medium A is replaced with the deteriorated medium A over time, and the deterioration rate of the medium A can be slowed.
- exchange efficiency of the culture medium A can be raised by arrange
- the cell culture container 300 according to the present embodiment is a modification of the cell culture container 100 according to the first embodiment, but is a modification of the cell culture container 200 according to the second embodiment as shown in FIG. Also good. That is, it may be a cell culture container 400 that includes the medium holding container 11 instead of the medium holding container 1 of the second embodiment and supplies the medium A to the cell holding container 2 via the tubular member 12.
- the culture medium holding container 11 may have an opening (not shown) for replenishing an unused culture medium inside.
- the culture medium holding container 11 and the tubular member 12 may be detachable from the supply port 4, or the culture medium holding container 11 may be detachable from the tubular member 12.
- an unused medium can be replenished by exchanging the medium holding container 11.
- the culture medium holding container 11 may be a bag.
- the dropping rate of the medium A supplied to the cell holding container 2 can be set as appropriate depending on the diameter of the supply port 4. What is necessary is just to adjust the dripping speed
- the culture medium holding container 1, the cell holding container 2, and the waste liquid holding container 3 may be integrally formed. That is, the internal space of the cell culture containers 100 and 200 is partitioned into a medium holding space, a cell holding space, and a waste liquid holding space in order from the top, and the medium holding space and the first partition partitioning the medium holding space and the cell holding space
- the 1st opening which connects cell holding space may open
- the 2nd opening which connects cell holding space and waste liquid holding space may open to the 2nd partition which partitions off cell holding space and waste liquid holding space.
- the culture medium holding container 1, the cell holding container 2, and the waste liquid holding container 3 may be configured as separate containers, and the cell culture containers 100 and 200 may be configured by being coupled to each other.
- the bottom surface of the culture medium holding container 1 and the top surface of the cell holding container 2 may constitute the first boundary surface 6, and the bottom surface of the cell holding container 2 and the top surface of the waste liquid holding container 3 may constitute the second boundary surface 7. .
- the cell holding container 2 and the waste liquid holding container 3 may be integrally molded.
- the cell holding container 2 and the waste liquid holding container 3 may be configured as separate containers, and the cell culture container 300 may be configured by combining them.
- the bottom surface of the cell holding container 2 and the top surface of the waste liquid holding container 3 may constitute the second boundary surface 7.
- the cell holding container 2 may have a bottom surface 7 a that is not in contact with the waste liquid holding container 3.
- the bottom surface 7a is made of an optically transparent member. According to such an aspect, it becomes easy to observe the cells in the cell holding container 2 through the bottom surface 7a.
- FIG. 6 shows a modification of the first embodiment, but this modification can be similarly applied to the second embodiment and the third embodiment. Further, the cell holding container 2 may have an upper surface that does not contact the medium holding container 1.
- the discharge mechanism 5 or 8 for discharging the medium A from the cell holding container 2 to the waste liquid holding container 3 when the medium A in the cell holding container 2 exceeds a predetermined amount is shown.
- an opening 9 is provided in the second boundary surface 7 instead of the discharge mechanisms 5 and 8, and the medium A is dropped from the cell holding container 2 into the waste liquid holding container 3 through the opening 9.
- the dropping speed may be appropriately set depending on the diameter of the opening 9.
- the dropping speed may be set depending on the material of the member constituting the opening 9.
- the medium exchange system 500 includes a cell culture container 510 and a container holder 520.
- a cell culture container 510 is a container having the configuration shown in FIG. 7 and includes a medium holding container 101, a cell holding container 102, and a waste liquid holding container 103.
- the culture medium holding container 101, the cell holding container 102, and the waste liquid holding container 103 are arranged adjacently from above in the gravity direction in this order.
- the culture medium holding container 101 and the cell holding container 102 are separated from each other by the first boundary surface 106, and the cell holding container 102 and the waste liquid holding container 103 are separated from each other by the second boundary surface 107.
- the medium holding container 101 can hold an unused medium A inside, and includes a discharge port 111 opened at the bottom of the side surface.
- the discharge port 111 communicates with a supply port 112 opened to the cell holding container 102 via a tubular member (first tubular member) 115, and supplies the medium A from the medium holding container 101 to the cell holding container 102.
- the culture medium holding container 101 has an opening (not shown) for replenishing an unused culture medium A therein.
- the cell holding container 102 can hold the medium A and cells therein, and includes a discharge port 113 opened at the bottom of the side surface.
- the discharge port 113 communicates with a supply port 114 opened in the waste liquid holding container 103 via a tubular member (second tubular member) 116, and supplies the medium A from the cell holding container 102 to the waste liquid holding container 103.
- the cell holding container 102 includes a medium A and an opening 102a through which cells can be taken in and out.
- the discharge port 113 does not necessarily have to be opened at the bottom of the side surface, and may be opened at any position where the medium A can be discharged on the side surface of the container 102.
- the waste liquid holding container 3 can hold the medium A discharged from the cell holding container 2.
- the waste liquid holding container 3 may include an opening for discharging the waste liquid (medium A) from the inside.
- the medium A in the medium holding container 101 moves by gravity to the cell holding container 102 through the tubular member 115, and the medium A in the cell holding container 102 is the tubular member 116. Pass through the waste liquid holding container 103 through gravity.
- the container holder 520 includes a base 121 on which the cell culture container 510 is mounted, a flow rate control means (first flow rate control means) 122 that controls the flow rate of the medium A flowing through the tubular member 115 of the cell culture container 510, and the tubular member 116.
- a flow rate control means (second flow rate control means) 123 that controls the flow rate of the medium A flowing inside, and a control unit (not shown) that is disposed in the base 121 and controls the flow rate control means 122 and the flow rate control means 123. I have.
- the flow rate control means 122 and 123 have openings for passing the tubular members 115 and 116, respectively, and deform the tubular members 115 and 116 passed through the openings by applying an external force in the radial direction. By reducing the cross-sectional area of the lumen, the flow rate of the solution is limited and the flow rate is suppressed (the flow rate can be reduced to 0). On the other hand, when the external force is released, the tubular members 115 and 116 return to the original state by the elastic force of the tubular members 115 and 116, and the flow velocity can be increased. As described above, the flow rate control means 122 and 123 adjust the flow rate of the solution flowing in the tubular members 115 and 116 by the strength of the external force applied to the tubular members 115 and 116.
- FIGS. 8A to 8D Examples of how to apply external force to the tubular members 115 and 116 by the flow rate control means 122 and 123 are shown in FIGS. 8A to 8D.
- FIG. 8A shows an example in which the tubular member 20 (115, 116) is sandwiched between two plate-like members 21.
- FIG. 8B shows an example in which the tubular member 20 passed through the through hole 23 is sandwiched by a plurality of spherical (or columnar) members 22.
- FIG. 8C shows an example in which the tubular member 20 passed through the through hole 25 is sandwiched by the shutter-like member 24.
- FIG. 8D is an example in which the inner diameter of the through hole 26 through the tubular member 20 is reduced and the tubular member 20 is deformed.
- any mechanism that can deform the tubular member 20 by applying an external force in the radial direction may be employed in the flow rate control means 122, 123.
- a liquid feed pump May be adopted as the flow rate control means 122, 123.
- the control unit includes a timer (not shown) and can control the flow rate control means 122 and 123 according to a preset time schedule to control the medium A flowing in the cell culture vessel 510. That is, the medium supply to the cell holding container 102 can be controlled by controlling the flow rate control means 122, and the medium discharge from the cell holding container 102 can be controlled by controlling the flow rate control means 123. The medium exchange in 102 can be controlled.
- the control unit includes a transmission / reception unit (not shown) that transmits and receives signals to and from an external control unit (not shown) by wire or wirelessly, and according to a signal from the external control unit (not shown), the flow rate control means 122, 123 may be controlled to remotely control the medium A flowing in the cell culture vessel 510.
- An example of the external control unit is a personal computer (PC).
- the PC may have a CPU and a memory, and the CPU may execute a control program stored in the memory to realize a function as an external control unit.
- the discharge mechanism 5 instead of the discharge port 113, the second tubular member 116, the supply port 114, and the second flow rate control means 123, the discharge mechanism 5 (discharge port 5a, tubular member 5b, And an opening 5c).
- the flow rate control means 131 may be provided in the tubular member 12 as shown in FIG.
- the flow rate control means 131 includes an opening for allowing the tubular member 12 to pass therethrough, and deforms the tubular member 12 passed through the opening by applying an external force in the radial direction, thereby reducing the cross-sectional area of the lumen of the tubular member 12.
- the flow rate of the solution is limited to suppress the flow rate (the flow rate can be reduced to 0).
- the tubular member 12 returns to its original state by the elastic force of the tubular member 12, and the flow velocity can be increased.
- the flow rate control means 131 adjusts the flow rate of the solution flowing in the tubular member 12 by the strength of the external force with respect to the tubular member 12.
- the method of applying an external force to the tubular member 12 by the flow rate control means 131 may be the same as that of the flow rate control means 122, 123 of the fourth embodiment. Any mechanism that can deform the tubular member 12 by applying an external force in the radial direction may be employed in the flow rate control means 131.
- a liquid feed pump may be employed for the flow rate control means 131.
- the flow rate control means 131 includes a timer (not shown) and a control unit (not shown), and can control the medium A flowing in the tubular member 12 according to a preset time schedule.
- the control unit (not shown) includes a transmission / reception unit (not shown) that transmits / receives signals to / from an external control unit (not shown) by wire or wirelessly, and receives signals from the external control unit (not shown). Therefore, the culture medium A flowing in the tubular member 12 may be controlled.
- An example of the external control unit is a personal computer (PC).
- the PC may have a CPU and a memory, and the CPU may execute a control program stored in the memory to realize a function as an external control unit.
- a medium exchange system comprising a cell culture container and a container holder on which the cell culture container is mounted,
- the cell culture container is arranged in order from the top in the direction of gravity, the medium holding container holding the medium for culturing the cells, the medium supplied from the medium holding container and the cell holding container holding the cells, and the A waste liquid holding container that holds the medium discharged from the cell holding container, a first tubular member that communicates the medium holding container and the cell holding container, and a second that communicates the cell holding container and the waste liquid holding container.
- a medium is moved from the medium holding container to the cell holding container through the first tubular member by gravity, and the medium is moved from the cell holding container to the waste liquid holding container by gravity through the second tubular member.
- the container holder includes a base on which the cell culture container is mounted, first flow rate control means for controlling the flow rate of the medium flowing inside the first tubular member, and the flow rate of the medium flowing inside the second tubular member. It is possible to provide a culture medium exchange system including a second flow rate control unit for controlling, and a control unit for controlling the first flow rate control unit and the second flow rate control unit.
- a medium holding container for holding a medium for culturing cells, a medium supplied from the medium holding container and a cell holding container for holding cells, and a medium discharged from the cell holding container A cell culture container provided with a waste liquid holding container for holding can be provided.
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Abstract
Description
本発明の一態様は、細胞を培養するための培地を保持する培地保持容器と、該培地保持容器から培地が供給される供給口を上面に有し、該供給口を介して前記培地保持容器から供給された培地および細胞を保持する細胞保持容器と、該細胞保持容器から排出された培地を保持する廃液保持容器と、前記細胞保持容器内の培地が所定量を超えたときに前記細胞保持容器から前記廃液保持容器へ培地を排出するための排出機構と、を備えた細胞培養容器である。
(第1実施形態)
本発明の第1実施形態に係る細胞培養容器100は、図1に示される構成の容器であり、培地保持容器1、細胞保持容器2、廃液保持容器3を備えている。
培地保持容器1内の培地Aは、供給口4から細胞保持容器2の内部空間に滴下されて供給される。滴下速度は供給口4の口径により決定される。培地Aが細胞保持容器2内に滴下されることで培地Aの逆流を防止することができ、培地保持容器1内の培地Aが汚染される可能性を軽減できる。
細胞保持容器2内の培地Aが所定量に達して高さhを超えると、培地Aが開口5cから管状部材5b内部にあふれ出し、排出口5aを通って廃液保持容器3内に滴下される。培地Aが廃液保持容器3内に滴下されることで培地Aの逆流を防止することができ、細胞保持容器2の培地Aが汚染される可能性を軽減できる。ここで、排出口5a、管状部材5b、および、開口5cは、排出機構5として機能する。
本細胞培養容器100のユーザは、まず、開口2aから細胞保持容器2内に培地Aおよび培養対象の細胞を供給する。また、培地保持容器1の開口(図示せず)から該培地保持容器1内に未使用の培地Aを供給する。この状態で細胞培養容器100をインキュベータの中に設置して培養を開始する。
細胞保持容器2内の培地Aの量は時間の経過とともに増大する。細胞保持容器2内の培地Aの高さがhを超えると余分な培地が開口5cから管状部材5b内部にあふれ出し、排出口5aを通って廃液保持容器3内に滴下される。このことにより、未使用の培地Aが劣化した培地Aと経時的に置き換わり、培地Aの劣化速度を遅くすることができる。
なお、供給口4と排出口5aを水平方向にできるだけ離して配置することで培地Aの交換効率を上げることができる。
本発明の第2実施形態に係る細胞培養容器200は、図2に示すように、排出機構5に代えて排出機構8を備えた点で第1実施形態と異なっている。それ以外は第1実施形態と同様である。
培地保持容器1内の培地Aは、供給口4から細胞保持容器2の内部空間に滴下されて供給される。滴下速度は、供給口4の口径により決定される。培地Aが細胞保持容器2内に滴下されることで培地Aの逆流を防止することができ、培地保持容器1内の培地Aが汚染される可能性を軽減できる。
細胞保持容器2内の培地Aが高さhを超えると、培地Aが排出口8cから管状部材8b内部にあふれ出し、開口8aを通って廃液保持容器3内に排出される。
ここで、開口8a、管状部材8b、および、排出口8cは、排出機構8として機能する。
本細胞培養容器200のユーザは、まず、開口2aから細胞保持容器2内に培地Aおよび培養対象の細胞を供給する。また、培地保持容器1に開口(図示せず)から未使用の培地Aを供給する。この状態で細胞培養容器200をインキュベータの中に設置して培養を開始する。
細胞保持容器2内の培地Aの量は時間の経過とともに増大する。細胞保持容器2内の培地Aの高さがhを超えると余分な培地Aが排出口8cから管状部材8b内部にあふれ出し、開口8aを通って廃液保持容器3内に排出される。このことにより、未使用の培地Aが劣化した培地Aと経時的に置き換わり、培地Aの劣化速度を遅くすることができる。
なお、供給口4と排出口8cを水平方向にできるだけ離して配置することで培地Aの交換効率を上げることができる。
本発明の第3実施形態に係る細胞培養容器300は、図3に示すように、培地保持容器1に代えて培地保持容器11を備え、管状部材12を介して細胞保持容器2に培地Aを供給する点で第1実施形態と異なっている。それ以外は第1実施形態と同様である。
培地保持容器11内の培地Aは、供給口4から細胞保持容器2内の空間に滴下されて供給される。滴下速度は、供給口4の口径により決定される。培地Aが細胞保持容器2内に滴下されることで培地Aの逆流を防止することができ、培地保持容器11内の培地Aが汚染される可能性を軽減できる。
細胞保持容器2内の培地Aが所定量に達して高さhを超えると、培地Aが開口5cから管状部材5b内部にあふれ出し、排出口5aを通って廃液保持容器3内に滴下される。培地Aが廃液保持容器3内に滴下されることで培地Aの逆流を防止することができ、細胞保持容器2内の培地Aが汚染される可能性を軽減できる。ここで、排出口5a、管状部材5b、および、開口5cは、排出機構5として機能する。
本細胞培養容器300のユーザは、まず、開口2aから細胞保持容器2内に培地Aおよび培養対象の細胞を供給する。また、未使用の培地Aを内部に保持した培地保持容器11を管状部材12を介して供給口4と接続する。このとき、培地保持容器11を細胞保持容器2よりも重力方向において上に配置する。この状態で細胞培養容器300をインキュベータの中に設置して培養を開始する。
細胞保持容器2内の培地Aの量は時間の経過とともに増大する。細胞保持容器2内の培地Aの高さがhを超えると余分な培地Aが開口5cから管状部材5b内部にあふれ出し、排出口5aを通って廃液保持容器3内に滴下される。このことにより、未使用の培地Aが劣化した培地Aと経時的に置き換わり、培地Aの劣化速度を遅くすることができる。
なお、供給口4と排出口5aを水平方向にできるだけ離して配置することで培地Aの交換効率を上げることができる。
また、培地保持容器11および管状部材12が供給口4に対して着脱可能になっていても良いし、培地保持容器11が管状部材12に対して着脱可能になっていても良い。このことにより、培地保持容器11を交換することで未使用の培地を補充することができる。
培地保持容器11は、バッグであっても良い。
また、供給口4を構成する部材の素材によって滴下速度を設定しても良い。
または、培地保持容器1、細胞保持容器2、及び、廃液保持容器3が各々別個の容器として構成され、互いに結合させることとで細胞培養容器100、200を構成しても良い。この場合、培地保持容器1の底面と細胞保持容器2の上面が第1境界面6を構成し、細胞保持容器2の底面と廃液保持容器3の上面が第2境界面7を構成すれば良い。
または、細胞保持容器2及び廃液保持容器3が各々別個の容器として構成され、互いに結合させることとで細胞培養容器300を構成しても良い。この場合、細胞保持容器2の底面と廃液保持容器3の上面が第2境界面7を構成すれば良い。
また、細胞保持容器2が、培地保持容器1と接しない上面を有していても良い。
次に、図7を用いて、本発明の第4実施形態に係る培地交換システム500を説明する。
培地交換システム500は、細胞培養容器510と、容器ホルダ520とを備えている。
培地保持容器101、細胞保持容器102、廃液保持容器103の順に重力方向において上から隣接して配置されている。培地保持容器101と細胞保持容器102は第1境界面106により互いに仕切られ、細胞保持容器102と廃液保持容器103は第2境界面107により互いに仕切られている。
排出口113は、必ずしも側面の底部に開口していなくても良く、容器102の側面において、培地Aを排出できる任意の位置に開口していれば良い。
前記細胞培養容器は、重力方向において上から順に配置された、細胞を培養するための培地を保持する培地保持容器、該培地保持容器から供給された培地および細胞を保持する細胞保持容器、ならびに該細胞保持容器から排出された培地を保持する廃液保持容器と、前記培地保持容器と前記細胞保持容器とを連通する第1管状部材と、前記細胞保持容器と前記廃液保持容器とを連通する第2管状部材とを備え、前記第1管状部材を通して培地が前記培地保持容器から前記細胞保持容器に重力により移動するとともに、前記第2管状部材を通して培地が前記細胞保持容器から前記廃液保持容器に重力により移動し、
前記容器ホルダは、前記細胞培養容器を搭載するベースと、前記第1管状部材の内部を流れる培地の流速を制御する第1流速制御手段と、前記第2管状部材の内部を流れる培地の流速を制御する第2流速制御手段と、前記第1流速制御手段および前記第2流速制御手段を制御する制御部とを備えた培地交換システムを提供することができる。
2 細胞保持容器
3 廃液保持容器
4 供給口
5、8 排出機構
5a 排出口
5b 管状部材(流路)
6、7 境界面
12 管状部材
100、200、300、400 細胞培養容器
500 培地交換システム
Claims (10)
- 細胞を培養するための培地を保持する培地保持容器と、
該培地保持容器から培地が供給される供給口を上面に有し、該供給口を介して前記培地保持容器から供給された培地および細胞を保持する細胞保持容器と、
該細胞保持容器から排出された培地を保持する廃液保持容器と、
前記細胞保持容器内の培地が所定量を超えたときに前記細胞保持容器から前記廃液保持容器へ培地を排出するための排出機構と、を備えた細胞培養容器。 - 前記培地保持容器の底面と前記細胞保持容器の上面が隣接して配置されて境界面を形成し、該境界面に前記供給口が開口している請求項1に記載の細胞培養容器。
- 前記培地保持容器が、管状部材を介して前記供給口と連通し、
前記培地保持容器が、前記細胞保持容器よりも重力方向において上側に配置されている請求項1に記載の細胞培養容器。 - 前記培地保持容器が、前記供給口に対して着脱可能なバッグである請求項3に記載の細胞培養容器。
- 前記細胞保持容器が、底面に前記細胞保持容器から前記廃液保持容器へ培地を排出するための排出口を有し、
前記排出機構が、前記排出口から前記細胞保持容器の内部空間上方に向かって突出し所定の高さにおいて開口する流路を備えた請求項1から4いずれかに記載の細胞培養容器。 - 前記細胞保持容器の底面と前記廃液保持容器の上面が隣接して配置されて第2境界面を形成し、該第2境界面に前記排出口が開口している請求項5に記載の細胞培養容器。
- 前記細胞保持容器が、底面から所定の高さにおいて側面に、培地を排出するための排出口を有し、
前記排出機構が、前記排出口から前記廃液保持容器へ培地を排出するための流路を備えた請求項1から4いずれかに記載の細胞培養容器。 - 前記細胞保持容器の底面と前記廃液保持容器の上面が隣接して配置されて第2境界面を形成している請求項7に記載の細胞培養容器。
- 重力方向において上から順に、培地保持空間、細胞保持空間、および廃液保持空間に内部空間を仕切られた細胞培養容器であって、
前記培地保持空間と前記細胞保持空間とを仕切る第1隔壁と、
前記細胞保持空間と前記廃液保持空間とを仕切る第2隔壁と、
前記第1隔壁に開口し前記培地保持空間と前記細胞保持空間とを連通する第1開口と、
前記第2隔壁に開口し前記細胞保持空間と前記廃液保持空間とを連通する第2開口とを備える細胞培養容器。 - 重力方向において上から順に配置された、細胞を培養するための培地を保持する培地保持容器、該培地保持容器から供給された培地および細胞を保持する細胞保持容器、ならびに該細胞保持容器から排出された培地を保持する廃液保持容器を備える細胞培養容器と、
該細胞培養容器を搭載する容器ホルダとを備え、
前記細胞培養容器は、
前記培地保持容器と前記細胞保持容器とを連通する第1管状部材と、
前記細胞保持容器と前記廃液保持容器とを連通する第2管状部材とを備え、
前記第1管状部材を通して培地が前記培地保持容器から前記細胞保持容器に移動するとともに、前記第2管状部材を通して培地が前記細胞保持容器から前記廃液保持容器に移動し、
前記容器ホルダは、
前記細胞培養容器を搭載するベースと、
前記第1管状部材の内部を流れる培地の流速を制御する第1流速制御手段と、
前記第2管状部材の内部を流れる培地の流速を制御する第2流速制御手段と、
前記第1流速制御手段および前記第2流速制御手段を制御する制御部とを備える培地交換システム。
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| CN201780006589.8A CN108463545A (zh) | 2016-01-14 | 2017-01-11 | 细胞培养容器和培养基更换系统 |
| JP2017561123A JP6930921B2 (ja) | 2016-01-14 | 2017-01-11 | 細胞培養容器 |
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2017
- 2017-01-11 EP EP17738412.0A patent/EP3404091A4/en not_active Withdrawn
- 2017-01-11 WO PCT/JP2017/000569 patent/WO2017122658A1/ja not_active Ceased
- 2017-01-11 CN CN201780006589.8A patent/CN108463545A/zh active Pending
- 2017-01-11 JP JP2017561123A patent/JP6930921B2/ja not_active Expired - Fee Related
-
2018
- 2018-07-10 US US16/031,312 patent/US20180320120A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61175955U (ja) * | 1985-04-22 | 1986-11-01 | ||
| JPS6213155U (ja) * | 1985-07-11 | 1987-01-27 | ||
| JP2004089138A (ja) * | 2002-09-03 | 2004-03-25 | Olympus Corp | 培養装置 |
| JP2010273603A (ja) | 2009-05-28 | 2010-12-09 | Sanyo Electric Co Ltd | 自動培養装置、作業台及びインキュベータ |
| US20120315694A1 (en) * | 2010-02-26 | 2012-12-13 | Korea Advanced Institute Of Science And Technology | Cell culture unit and cell culture device including the same |
| JP2013051941A (ja) * | 2011-09-06 | 2013-03-21 | Taikisha Ltd | 植物栽培装置 |
| JP2015223169A (ja) * | 2014-05-30 | 2015-12-14 | オリンパス株式会社 | 培地交換システム |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3404091A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3404091A1 (en) | 2018-11-21 |
| EP3404091A4 (en) | 2019-08-07 |
| US20180320120A1 (en) | 2018-11-08 |
| JPWO2017122658A1 (ja) | 2018-11-08 |
| CN108463545A (zh) | 2018-08-28 |
| JP6930921B2 (ja) | 2021-09-01 |
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