WO2022202731A1 - 細胞培養システム - Google Patents
細胞培養システム Download PDFInfo
- Publication number
- WO2022202731A1 WO2022202731A1 PCT/JP2022/012947 JP2022012947W WO2022202731A1 WO 2022202731 A1 WO2022202731 A1 WO 2022202731A1 JP 2022012947 W JP2022012947 W JP 2022012947W WO 2022202731 A1 WO2022202731 A1 WO 2022202731A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waste liquid
- cell culture
- culture system
- reservoir
- medium
- Prior art date
Links
- 238000004113 cell culture Methods 0.000 title claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 175
- 239000002699 waste material Substances 0.000 claims abstract description 130
- 238000003860 storage Methods 0.000 claims abstract description 62
- 238000009826 distribution Methods 0.000 claims abstract description 47
- 230000005484 gravity Effects 0.000 claims abstract description 26
- 239000001963 growth medium Substances 0.000 claims description 83
- 239000002609 medium Substances 0.000 claims description 56
- 238000011144 upstream manufacturing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 16
- 238000012258 culturing Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000638 solvent extraction Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 31
- 239000012510 hollow fiber Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 18
- 239000007789 gas Substances 0.000 description 14
- 239000012530 fluid Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 for example Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000003656 tris buffered saline Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 210000001744 T-lymphocyte Anatomy 0.000 description 1
- 102000004142 Trypsin Human genes 0.000 description 1
- 108090000631 Trypsin Proteins 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003855 balanced salt solution Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000004748 cultured cell Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 210000002901 mesenchymal stem cell Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
Images
Classifications
-
- 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
- C12M25/10—Hollow fibers or tubes
-
- 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
- C12M23/40—Manifolds; Distribution pieces
-
- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
- C12M27/04—Stirrer or mobile mixing elements with introduction of gas through the stirrer or mixing element
-
- 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/16—Hollow fibers
-
- 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
- C12M29/24—Recirculation of gas
-
- 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
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
-
- 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
- C12M23/48—Holding appliances; Racks; Supports
Definitions
- the present invention relates to a cell culture system that cultures cells in a reactor by flowing medium into and out of the reactor.
- the cells of the body are collected, cultured, and administered to the patient.
- a cell culture system using a cell culture vessel (reactor) having hollow fibers in the case is used.
- the cell culture system cultures the cells by seeding the cells inside the hollow fibers of the reactor and then feeding the culture medium into the reactor through the flow channel.
- the culture medium flowing out of the reactor during culture is discharged to a waste liquid collection container (waste liquid section).
- a waste liquid section made up of a medical bag or the like is hung on a stand, and the waste liquid section is arranged above the reactor in the direction of gravity.
- the cell culture system can apply positive pressure to the reactor and the flow path through the medium that has flowed into the waste liquid section, and can suppress the inflow of excessive air (bubbles) into the reactor.
- the present invention has been made in view of the above problems, and can appropriately apply a positive pressure to the reactor and the flow path, and can reduce the work load such as replacement and removal of the waste liquid unit.
- An object of the present invention is to provide a cell culture system.
- one aspect of the present invention provides a reactor for culturing cells based on the flow of medium, a flow path for flowing the medium into and out of the reactor, and a reactor connected to the flow path.
- a cell culture system comprising: a waste fluid path for discharging the medium from the distribution path; and a waste fluid container connected to the waste fluid path and capable of storing the medium that has passed through the waste fluid path, wherein the waste fluid path is a temporary reservoir capable of temporarily storing the culture medium, wherein the waste liquid container is positioned below the temporary reservoir in the gravitational direction, and the temporary reservoir is above the distribution channel in the gravitational direction. temporarily stores the culture medium discharged from the distribution channel, and causes the culture medium to flow out toward a waste liquid container.
- the above cell culture system can appropriately apply positive pressure to the reactor and the distribution channel, and can reduce the work load in replacing and removing the waste liquid part.
- FIG. 4 is a circuit diagram showing a flow path between the culture medium reservoir and the reactor, and a flow path control mechanism;
- FIG. 3 is an explanatory diagram schematically showing a waste liquid path and a waste liquid section;
- FIG. 4A is a perspective view showing a temporary reservoir according to a first modified example;
- FIG. 4B is a cross-sectional view of a temporary reservoir according to the first modified example.
- FIG. 11 is an explanatory diagram schematically showing a waste liquid path and a waste liquid section according to a second modified example;
- the cell culture system 10 is configured as a stationary device installed in a sterile room or the like, and performs culture processing for culturing living cells in regenerative medicine.
- the cell culture system 10 includes a reactor 12 that is a cell culture vessel.
- the cell culture system 10 supplies a culture medium and oxygen to the reactor 12, and discharges lactic acid, carbon dioxide, etc. (including unused culture medium and oxygen) generated during cell culture from the reactor 12. Perform cell culture.
- Cells in a living body are not particularly limited, but include, for example, cells contained in blood (T cells, etc.), stem cells (ES cells, iPS cells, mesenchymal stem cells, etc.).
- the medium may also be selected appropriately according to the cells of the living body.
- a buffered salt solution (Balanced Salt Solution: BSS) is used as a basic solution, and various amino acids, vitamins, serum, etc. are added. I can give you something.
- the cell culture system 10 includes a medium storage section 14 that stores a medium, a flow path 16 provided between the reactor 12 and the medium storage section 14, a waste liquid flow path 18 that discharges the medium from the flow path 16, and It has a waste liquid part 20 that stores the culture medium flowing through the waste liquid path 18 .
- the cell culture system 10 according to the present embodiment is provided with a plurality of reactors 12 (five in FIG. 1) to improve the efficiency of the culture process. In other words, the cell culture system 10 circulates the culture medium for each of the plurality of reactors 12 and cultures the cells in each reactor 12, so that the culture period is not greatly changed, and the culture by one reactor 12 is several times longer. It is configured to obtain the number of cells.
- the medium reservoir 14 is a hard (or soft) tank that can store a large amount of medium in order to supply the medium to each reactor 12 .
- the tank preferably has a volume of about 5 L to 30 L, which reduces the work load of frequently exchanging the medium reservoir 14 during culture processing.
- a flexible medical bag or the like may be applied to the culture medium reservoir 14 .
- the distribution channel 16 is composed of a plurality of tubes 22 (only the tubes 22 connected to the medium reservoir 14 are shown in FIG. 1). Each tube 22 is connected to the medium reservoir 14 and several medical bags (not shown), and is also connected to each reactor 12 . Thereby, the cell culture system 10 supplies and discharges the medium in the medium reservoir 14 and liquids (cell liquid, cleaning liquid, stripping liquid, etc.) in the medical bags to and from the reactor 12 via the tubes 22 .
- the cell fluid is a liquid containing cells (to be cultured) to be seeded in the reactor 12 .
- a cleaning liquid is a liquid used when priming the reactor 12 and the flow path 16 .
- the washing solution include buffers such as PBS (Phosphate Buffered Salts) and TBS (Tris-Buffered Saline), and physiological saline.
- the detachment liquid is a liquid that detaches the cells cultured by the culture treatment.
- the stripping solution for example, trypsin or EDTA solution can be applied.
- the flow path control mechanism section 24 includes a first housing 26 that accommodates part of the distribution path 16 .
- the flow path control mechanism 24 includes a plurality of clamps 28 that open and close predetermined tubes 22, a plurality of pumps 30 that circulate the liquid in the tubes 22, and a control unit that controls the operation of each clamp 28 and each pump 30. 32 are provided in the first housing 26 (see FIG. 2).
- the flow path control mechanism 24 selectively switches the tubes 22 through which the liquid flows by opening and closing the clamps 28 , and circulates the liquid in the flow path 16 under the operation of the pump 30 .
- the distribution path 16 may include a cassette (not shown) having a plurality of liquid flow paths and to which several tubes 22 are connected.
- the cassette is placed in the clamp 28 of the channel control mechanism 24 as it is set in the first housing 26, and the clamp 28 opens, closes or switches the channels in the cassette.
- each reactor 12 connected to the distribution channel 16, it is preferable to apply a structure having, for example, hollow fibers 34 in order to secure a large culture area.
- each reactor 12 includes a plurality of (for example, 10,000 or more) hollow fibers 34 and a case 36 that accommodates the plurality of hollow fibers 34 along the axial direction.
- Each hollow fiber 34 has a lumen (not shown) penetrating along the extending direction, and cells are seeded on the inner circumferential surface that constitutes the lumen.
- Each hollow fiber 34 has a plurality of pores (not shown) that communicate between the outside and the lumen, and each pore does not permeate cells and proteins, but permeates solutions and low-molecular-weight substances. Therefore, the cells on the inner peripheral surface of the hollow fiber 34 are supplied with the culture medium, predetermined gas components, etc. through the pores.
- IC intracapillary
- EC extra capillary
- Materials constituting the hollow fibers 34 are not particularly limited, and include polyolefin resins such as polypropylene and polyethylene, polysulfone, polyethersulfone, polyacrylonitrile, polyterorafluoroethylene, polystyrene, polymethyl methacrylate, cellulose acetate, cellulose triacetate, and regenerated cellulose. and other polymeric materials.
- polyolefin resins such as polypropylene and polyethylene, polysulfone, polyethersulfone, polyacrylonitrile, polyterorafluoroethylene, polystyrene, polymethyl methacrylate, cellulose acetate, cellulose triacetate, and regenerated cellulose. and other polymeric materials.
- the case 36 is cylindrical and has hardness.
- the case 36 includes a first IC terminal 36a, a second IC terminal 36b, a first EC terminal 36c, and a second EC terminal 36d connected to each tube 22.
- the first IC terminal 36 a is provided at one axial end of the case 36 and communicates with the inner cavity of the hollow fiber 34 .
- the second IC terminal 36 b is provided at the other axial end of the case 36 and communicates with the inner cavity of the hollow fiber 34 .
- the first EC terminal 36 c is provided near the other end of the side surface of the case 36 and communicates with the space outside the hollow fibers 34 inside the case 36 .
- the second EC terminal 36 d is provided near one end of the side surface of the case 36 and communicates with the space outside the hollow fibers 34 inside the case 36 .
- the distribution channel 16 has a culture medium delivery route 40 connected to the culture medium reservoir 14, and an IC route 42 (internal route) and an EC route 44 (external route) branched from the medium delivery route 40.
- the IC route 42 is a path for supplying liquid to the lumen of the hollow fiber 34, and liquids such as washing liquid, cell liquid, culture medium, stripping liquid, etc. flow.
- the EC route 44 is a route for supplying liquid to the outside of the hollow fibers 34 (inside the case 36), and liquids such as washing liquid, culture medium, and stripping liquid flow.
- the medium delivery route 40 is provided with a first clamp 40a that opens or blocks the supply of medium from the medium reservoir 14.
- the IC route 42 has an IC circulation circuit 42a capable of circulating liquid between the reactor 12 and an IC supply circuit 42b capable of circulating the liquid from the medium delivery route 40 to the IC circulation circuit 42a.
- the IC circulation circuit 42a is provided with an IC circulation pump 30a for circulating the liquid.
- the IC supply circuit 42b is provided with an IC supply pump 30b for circulating the liquid from the medium delivery route 40 to the IC circulation circuit 42a.
- the IC supply circuit 42b is connected to the culture medium reservoir 14 as well as a tube 22 connected to each medical bag containing a washing solution, a cell solution, a stripping solution, and the like.
- the IC circulation circuit 42 a is connected to the first IC terminal 36 a and the second IC terminal 36 b of the reactor 12 . Therefore, the liquid circulating in the IC circulation circuit 42a flows through the lumen of the hollow fiber 34 under the operation of the IC circulation pump 30a.
- An IC waste liquid circuit 46 is connected downstream of the reactor 12 in the IC circulation circuit 42a.
- the IC waste liquid circuit 46 constitutes a part of the waste liquid path 18 and is connected to the confluence route 50 of the waste liquid path 18 .
- the IC waste liquid circuit 46 is provided with a second clamp 46a for opening or blocking discharge of the liquid from the IC circulation circuit 42a.
- the EC route 44 has an EC circulation circuit 44a capable of circulating liquid between the reactor 12 and an EC supply circuit 44b capable of circulating the liquid from the culture medium delivery route 40 to the EC circulation circuit 44a.
- the EC circulation circuit 44a is provided with an EC circulation pump 30c for circulating the liquid.
- the EC supply circuit 44b is provided with an EC supply pump 30d that circulates the liquid from the culture medium delivery route 40 to the EC circulation circuit 44a.
- the EC supply circuit 44b is connected to the culture medium reservoir 14 as well as a tube 22 connected to each medical bag storing a washing solution, a peeling solution, and the like.
- the EC circulation circuit 44 a is connected to the first EC terminal 36 c and the second EC terminal 36 d of the reactor 12 . Therefore, the liquid circulating in the EC circulation circuit 44a flows through the case 36 under the operation of the EC circulation pump 30c.
- a gas exchanger 52 is provided upstream of the reactor 12 in the EC circulation circuit 44a. The gas exchanger 52 discharges carbon dioxide mixed in the culture medium, while supplying predetermined gas components (nitrogen N 2 : 75%, oxygen O 2 : 20%, carbon dioxide CO 2 : 5%) to the culture medium. It has the function of mixing.
- the structure of the gas exchanger 52 is not particularly limited, and similar to the reactor 12, one having a plurality of hollow fibers inside a case can be applied.
- An EC waste liquid circuit 48 is connected downstream of the reactor 12 in the EC circulation circuit 44a.
- the EC waste liquid circuit 48 constitutes a part of the waste liquid path 18 and is connected to the confluence route 50 of the waste liquid path 18 .
- the EC waste liquid circuit 48 is provided with a third clamp 48a for opening or blocking discharge of liquid from the EC circulation circuit 44a.
- the cell culture system 10 may be configured to have a plurality of IC circulation circuits 42a and EC circulation circuits 44a corresponding to each reactor 12. That is, the liquid is circulated to another reactor 12 at a branch point X between the IC supply pump 30b and the IC circulation circuit 42a and a branch point Y between the EC supply pump 30d and the EC circulation circuit 44a.
- Another IC circulating circuit and an EC circulating circuit are connected in parallel.
- the cell culture system 10 has a second housing 54 that accommodates each reactor 12 at a position adjacent to the first housing 26 that constitutes the flow path control mechanism section 24 .
- the second housing 54 has a function of keeping the temperature of the storage chamber of each reactor 12 at 37°C. That is, in the cell culture system 10, by using the second housing 54 different from the first housing 26 of the flow path control mechanism section 24, an environment suitable for cell culture in each reactor 12 can be easily formed. can.
- the cell culture system 10 is not limited to the configuration in which each reactor 12 and the distribution channel 16 are accommodated in a plurality of housings, and may be configured to be accommodated in one housing.
- the second housing 54 may have a configuration in which part of the flow path control mechanism section 24 (clamp 28, pump 30, etc.) is included.
- a second clamp 46 a on the IC waste circuit 46 and a third clamp 48 a on the EC waste circuit 48 are provided within the second housing 54 .
- the second housing 54 be configured to rotatably fix each reactor 12 in the direction of gravity, in the horizontal direction, or around the axis of the case 36 . As a result, the air inside each reactor 12 is easily discharged from the case 36 .
- the cell culture system 10 includes an installation table 56 on which the first housing 26 and the second housing 54 are installed.
- the installation table 56 has a top plate 58 on which the first housing 26 and the second housing 54 are placed. supported by The culture medium storage part 14 is housed in a culture medium container 60 of an installation table 56 provided below the top plate 58 .
- the waste liquid path 18 of the cell culture system 10 is connected to the above-described distribution path 16 and also to the waste liquid section 20, thereby discharging liquid such as culture medium and washing liquid from the distribution path 16 to the waste liquid section 20.
- the waste liquid path 18 has an IC waste liquid circuit 46 of the IC route 42, an EC waste liquid circuit 48 of the EC route 44, and a confluence route 50 (see FIG. 2).
- a confluence route 50 of the waste liquid path 18 is provided so as to extend from the inside of the second housing 54 (or the first housing 26) to the outside.
- the waste liquid section 20 has a waste liquid container 62 connected to the most downstream side of the waste liquid path 18 and capable of storing the culture medium that has passed through the waste liquid path 18 . Further, the waste liquid path 18 has a temporary reservoir 64 in which the culture medium can be temporarily stored on the upstream side of the waste liquid container 62 .
- a hard (or soft) tank with a large volume is applied to the waste liquid container 62 in order to store the culture medium used in each reactor 12 .
- the tank preferably has a volume of about 5L to 30L. This reduces the work load of frequently replacing the waste liquid container 62 .
- a flexible medical bag or the like may be applied to the waste liquid container 62 .
- the waste liquid container 62 is housed in the waste liquid container 61 of the installation table 56 provided below the top plate 58 . That is, the waste liquid container 62 is provided below the temporary reservoir 64 in the direction of gravity. Further, the waste liquid container 62 according to the present embodiment is positioned below the first housing 26 and the second housing 54 housing the reactors 12 in the direction of gravity. Although FIG. 1 shows a state where the waste liquid container 62 is exposed from the waste liquid container 61, the waste liquid container 61 may have a structure in which the waste liquid container 62 is sealed.
- the temporary reservoir 64 temporarily stores the liquid discharged from the distribution channel 16 and then flows out toward the waste liquid container 62 . Therefore, the volume of the temporary reservoir 64 is sufficiently smaller than the volume of the waste liquid container 62 .
- the temporary storage section 64 is suspended, for example, from a stand 66 fixed to the installation table 56 and positioned above the first housing 26 and the second housing 54 housing the plurality of reactors 12 in the direction of gravity. In other words, the temporary reservoir 64 is arranged above the reactor 12 and the flow path 16 in the gravitational direction.
- the height of the temporary reservoir 64 is not particularly limited, it may be set, for example, in the range of 150 cm to 180 cm. range).
- the waste liquid path 18 (confluence route 50) includes an upstream line 70 provided between the distribution path 16 and the temporary reservoir 64 via the IC waste liquid circuit 46 and the EC waste liquid circuit 48, and the temporary reservoir 64 and the waste liquid container. and a downstream line 72 provided between 62 .
- the upstream line 70 and the downstream line 72 are composed of tubes 73 having channels inside.
- the upstream line 70 extends upward in the gravitational direction from the second housing 54 and is connected to the lower portion of the temporary reservoir 64 .
- the downstream line 72 extends downward in the gravitational direction from the temporary reservoir 64 and is connected to the upper portion of the waste liquid container 62 .
- a flexible medical bag is applied to the temporary storage section 64 .
- the temporary storage part 64 has a seal part 74 that seals the outer peripheries of the two sheets that constitute the medical bag, and has a storage space 76 inside the seal part 74 and between the two sheets.
- the upstream line 70 and the downstream line 72 are connected to a lower seal portion 74 (hereinafter referred to as a lower seal portion 74a) of the temporary reservoir 64.
- the temporary storage section 64 may be configured by a rigid container.
- a partition wall 82 that separates the lower side of the storage space 76 into a first storage section 78 and a second storage section 80 is provided inside the temporary storage section 64 .
- the partition wall 82 is connected to the lower seal portion 74a and extends upward in the gravitational direction from the lower seal portion 74a.
- the partition wall 82 is formed, for example, by sealing two sheets forming a medical bag.
- the partition wall 82 can be formed by welding a plate member having a predetermined thickness in a direction perpendicular to the surface of the two sheets between the two sheets and welding the edges of the plate member and each sheet. may be formed with
- a communication part 84 (part of the storage space 76) that communicates the first storage part 78 and the second storage part 80 is provided inside the temporary storage part 64 above the partition wall 82 in the gravitational direction. That is, the storage space 76 includes a communication portion 84 on the upper side in the direction of gravity, and a first storage portion 78 and a second storage portion 78 that are adjacent to each other in the horizontal direction (direction orthogonal to the direction of gravity) of the partition wall 82 on the lower side of the communication portion 84 in the direction of gravity.
- Storing section 80 is provided.
- the flow path of the upstream line 70 fixed to the lower seal portion 74 a communicates with the first storage portion 78 .
- the flow path of the downstream line 72 fixed to the lower seal portion 74 a communicates with the second storage portion 80 .
- the liquid that has flowed into the temporary storage section 64 from the upstream line 70 is stored in the first storage section 78 first, and when it fills the first storage section 78, it climbs over the partition wall 82 and flows into the second storage section 80. flow in.
- the liquid that has flowed into the second reservoir 80 flows out to the downstream line 72 (outside the temporary reservoir 64).
- the first storage part 78 is configured to apply an appropriate pressure (positive pressure) to the reactor 12 and the flow path 16 through the stored culture medium.
- the volume of the first reservoir 78 is preferably set in the range of about 0.5 to 3 times the volume of the second reservoir 80 .
- the actual volume of the first reservoir 78 may be set within a range of 50 cc to 300 cc, for example.
- the temporary reservoir 64 has an atmosphere release portion 86 that applies atmospheric pressure to the liquid that has flowed into the first reservoir 78 .
- the atmosphere opening portion 86 is configured by a vent mechanism 88 that allows gas to pass through but blocks liquid from passing through.
- the vent mechanism 88 can apply atmospheric pressure to the liquid in the first reservoir 78 without leaking the liquid that has flowed into the reservoir space 76 to the outside.
- the atmosphere release portion 86 is not limited to the vent mechanism 88, and may be configured by an opening that simply opens the upper side of the temporary storage portion 64 in the gravitational direction.
- the waste liquid section 20 may be connected to multiple cell culture systems 10 .
- the temporary storage section 64 includes the distribution path 16 of the first cell culture system 10A (see the solid line in FIG. 3) and the second cell culture system 10B ( 3) are connected. Therefore, the waste liquid unit 20 temporarily stores both the liquid flowing out from the distribution channel 16 of the first cell culture system 10A and the liquid flowing out from the distribution channel 16 of the second cell culture system 10B in one temporary storage unit 64. do.
- the liquid stored in the temporary storage section 64 is discharged to one or more waste liquid containers 62 via the downstream line 72 .
- the cell culture system 10 is basically configured as described above, and its operation will be described below.
- a plurality of reactors 12 are set in the second housing 54 by an operator, and the flow path 16 is set in the flow path control mechanism section 24. is set to
- the operator accommodated the culture medium reservoir 14 in the culture medium container 60 of the installation table 56, installed the waste liquid container 62 in the waste liquid container 61 of the installation table 56, and suspended the temporary reservoir 64 on the stand 66. state. 2 is constructed between the culture medium reservoir 14 and each reactor 12, and the temporary reservoir 64 is arranged above the distribution pathway 16 in the direction of gravity.
- the cell culture system 10 sequentially performs the priming process, the medium replacement process, the seeding process, the culture process, the peeling process, and the collection process in the culture process.
- a washing liquid stored in a medical bag (not shown) is supplied to each reactor 12 through the distribution channel 16 and air is removed from the reactor 12 and the distribution channel 16 .
- the medium replacement step the medium is supplied from the medium reservoir 14 to each reactor 12 through the primed distribution channel 16 to fill the inside and outside of the hollow fibers 34 with the medium.
- a cell solution stored in a medical bag (not shown) is supplied through the IC route 42 into the hollow fiber 34 of each reactor 12 to seed the inner peripheral surface of the hollow fiber 34 with cells.
- the cell culture system 10 supplies medium from the medium reservoir 14 into the hollow fibers 34 through both the IC route 42 and the EC route 44 , and Culturing the cells in At this time, the gas exchanger 52 discharges carbon dioxide from the medium and supplies oxygen to the medium.
- the culturing step is performed for a long period of time (for example, several days) compared to other steps, so that the cells gradually proliferate on the inner peripheral surface of the hollow fibers 34 .
- the cell culture system 10 may be configured to supply the culture medium to the reactor 12 through the EC route 44 without going through the IC supply circuit 42b.
- the medium flowing through the EC route 44 and flowing into the reactor 12 is supplied to the cells by seeping from the outside to the inside of the hollow fibers 34 .
- the medium circulating in the IC circulation circuit 42a flows into the IC waste liquid circuit 46 while the second clamp 46a is open.
- the culture medium circulating in the EC circulation circuit 44a flows into the EC waste liquid circuit 48 while the third clamp 48a is open.
- the culture medium flows through the waste liquid path 18 .
- the medium in the IC waste liquid circuit 46 and the EC waste liquid circuit 48 flows into the upstream line 70 of the confluence route 50 to move outside the second housing 54 .
- This culture medium flows upward in the gravitational direction via the upstream line 70 and flows into the first reservoir 78 of the temporary reservoir 64 .
- the temporary reservoir 64 keeps the medium in the first reservoir 78 until the medium exceeds the partition wall 82 .
- the culture medium in the first reservoir 78 exceeds the partition wall 82
- the culture medium flows over the partition wall 82 (through the communication part 84 ) into the second reservoir 80 .
- the culture medium that has moved to the second reservoir 80 flows into the downstream line 72 fixed to the bottom of the second reservoir 80 . That is, the temporary reservoir 64 automatically discharges the culture medium to the lower downstream line 72 when the inflow amount of the culture medium exceeds a certain amount.
- the culture medium discharged to the downstream line 72 flows downward in the direction of gravity and flows into the waste liquid container 62 installed below the installation table 56 .
- the waste liquid container 62 has a volume that can sufficiently store the culture medium, and the number of exchanges of the waste liquid container 62 in the culture process can be greatly reduced.
- the temporary reservoir 64 arranged above the distribution channel 16 and the reactor 12 in the gravitational direction can apply positive pressure to the distribution channel 16 via the first reservoir 78 and the culture medium in the upstream line 70. . Therefore, in the EC circulation circuit 44a, positive pressure is applied to the culture medium, thereby suppressing excessive inflow of air in the gas exchanger 52 and stably mixing the air and the culture medium. As a result, in the cell culture system 10, the inflow of air bubbles into the distribution channel 16 is greatly suppressed.
- the atmosphere opening part 86 provided in the temporary storage part 64 applies atmospheric pressure to the culture medium in the first storage part 78 and the upstream line 70, thereby applying positive pressure to the distribution channel 16 even when the culture medium is small. can be done.
- the vent mechanism 88 is employed in the atmosphere opening part 86, so that leakage of the culture medium from the temporary storage part 64 can be avoided.
- the cell culture system 10 guides the peeling liquid stored in a medical bag (not shown) into the hollow fibers 34 of the reactor 12 via the IC route 42 and cultures (proliferates ) detach the cells.
- the cell culture system 10 supplies the culture medium to the IC route 42 to cause the cells detached in the detachment process to flow out of the reactor 12 and move to a collection bag (not shown).
- the cell culture system 10 can favorably store the cells cultured in the reactor 12 in the collection bag.
- the cell culture system 10 can stably apply a positive pressure to the distribution channel 16, and even if a large amount of culture medium is used, the replacement and removal of the waste liquid container 62 can be reduced. Work load can be reduced.
- the cell culture system 10 may be configured to perform culture processing using one reactor 12 without using multiple reactors 12 .
- a large-sized reactor 12 may be used to increase the number of cultured cells in the culture process.
- the temporary reservoir 90 is provided on the upper side of the second housing 54 (or the first housing 26: see FIG. 1) that houses the plurality of reactors 12. may be Even in this case, the temporary reservoir 90 is arranged above the reactor 12 and the distribution channel 16 in the direction of gravity.
- the temporary storage part 90 is formed by a small and rigid container 92 and is configured so that the volume does not change (the flexible bag does not squeeze other mechanisms) within the second housing 54 .
- a partition wall 82 (see FIG. 1) is not provided inside the container 92, and a storage space 92a surrounded by the inner surface of the container 92 is formed.
- Each of the upstream line 70 and the downstream line 72 of the waste liquid path 18 is connected to the lower end of the container 92 of the temporary reservoir 90 .
- the upstream line 70 extends upward in the gravitational direction from a connection point of the distribution channel 16 (see FIG. 2).
- the downstream line 72 is exposed to the outside of the second housing 54 by once heading upward in the gravity direction from the bottom of the container 92 inside the second housing 54 . Outside the second housing 54, the downstream line 72 extends downward in the gravitational direction to a waste liquid container 62 (see FIG. 1) that is installed below the second housing 54 in the gravitational direction. Connected.
- the upper end of the container 92 of the temporary storage section 90 is provided with an atmosphere release section 86 that applies atmospheric pressure to the culture medium that has flowed into the storage space 92a.
- the atmosphere opening portion 86 is configured with a vent mechanism 88 that allows gas to pass through but blocks liquid from passing through. Note that the atmosphere opening portion 86 may be configured by simply opening the upper end portion of the container 92 .
- the temporary storage section 90 configured as described above can also obtain the same effects as the temporary storage section 64 described above. That is, the culture medium that has flowed into the temporary reservoir 90 from the distribution channel 16 via the upstream line 70 is temporarily stored in the reservoir space 92 a of the container 92 . Then, the culture medium in the container 92 is subjected to atmospheric pressure from the atmosphere release portion 86 , so that positive pressure can be applied to the distribution channel 16 through the culture medium in the upstream line 70 .
- the temporary storage section 90 provided in the second housing 54 can avoid inconveniences such as the worker accidentally dropping the temporary storage section 90 .
- the culture medium in the storage space 92a is guided to the downstream line 72 by the siphon effect.
- the culture medium is directed upward in the direction of gravity and then directed downward in the direction of gravity and is stored in the waste liquid container 62 .
- the culture medium is temporarily stored in the temporary storage section 90 and then smoothly discharged to the waste liquid container 62 , so that a large amount of medium does not accumulate in the container 92 .
- the cell culture system 10 applies a temporary reservoir 94 without the partition wall 82, and a sensor 96 that detects the weight or liquid level of the temporary reservoir 94 and a downstream A configuration including a valve 98 that opens and closes the side line 72 may be used.
- the sensor 96 and the valve 98 are connected to the controller 32 of the cell culture system 10 for wired or wireless communication.
- the control unit 32 closes the valve 98 in a normal state, monitors the amount of liquid that has flowed into the temporary storage unit 94 based on the detection information from the sensor 96, and detects when the amount of liquid exceeds a predetermined threshold value. Open valve 98 . Even in this case, the cell culture system 10 can stably apply positive pressure to the distribution channel 16 .
- One aspect of the present invention includes a reactor 12 for culturing cells based on medium flow, a distribution channel 16 for inflow and outflow of the medium to and from the reactor 12, and a flow channel 16 connected to the flow channel 16 to supply the medium from the flow channel 16.
- a cell culture system 10 comprising a waste fluid path 18 for discharging and a waste fluid container 62 connected to the waste fluid path 18 and capable of storing the culture medium that has passed through the waste fluid path 18, wherein the waste fluid path 18 temporarily stores the culture medium.
- the waste liquid container 62 is positioned lower than the temporary reservoirs 64, 90, 94 in the direction of gravity. It is provided above the path 16 in the gravitational direction, temporarily stores the culture medium discharged from the distribution path 16 , and causes the culture medium to flow out toward the waste liquid container 62 .
- the temporary reservoirs 64 , 90 , 94 are positioned above the flow path 16 in the gravitational direction, so that the culture medium in the temporary reservoirs 64 , 90 , 94 flows through the reactor. 12 and the flow path 16 can be appropriately applied with positive pressure.
- the cell culture system 10 can suppress excessive inflow of air into the reactor 12 and the flow path 16 .
- the waste liquid container 62 is positioned below the temporary reservoirs 64, 90, and 94 in the direction of gravity, the cell culture system 10 can reduce the work load of exchanging and removing the waste liquid container 62. .
- waste liquid container 62 is provided below the location where the reactor 12 is installed in the direction of gravity. This makes it easier for the operator of the cell culture system 10 to replace or remove the waste liquid container 62 .
- a first reservoir 78 inside the temporary reservoirs 64 and 94 are a first reservoir 78 , a second reservoir 80 , a partition wall 82 that partitions the first reservoir 78 and the second reservoir 80 from each other,
- a communication portion 84 that communicates the first storage portion 78 and the second storage portion 80 is provided on the direction upper side, and the waste liquid path 18 is an upstream line that communicates between the distribution path 16 and the first storage portion 78.
- 70 and a downstream line 72 that communicates between the second reservoir 80 and the waste liquid container 62.
- the downstream line 72 extends downward in the gravitational direction from the second reservoir 80.
- first reservoir 78 and the second reservoir 80 are adjacent to each other in the direction perpendicular to the direction of gravity, and the volume of the first reservoir 78 is larger than the volume of the second reservoir 80 .
- the temporary reservoir 64 can apply a large positive pressure from the first reservoir 78 to the reactor 12 and the flow path 16 .
- the temporary reservoir 90 has an air release portion 86 that applies atmospheric pressure to the culture medium that has flowed into the temporary reservoir 90, and the air release portion 86 is a vent mechanism that allows gas to permeate but does not allow liquid to permeate. 88.
- the air release portion 86 is a vent mechanism that allows gas to permeate but does not allow liquid to permeate. 88.
- the waste liquid path 18 includes an upstream line 70 that communicates between the distribution path 16 and the temporary reservoir 90, and a downstream line 72 that communicates between the temporary reservoir 90 and the waste liquid container 62,
- the downstream line 72 once goes upward in the gravitational direction from the lower portion of the temporary reservoir 90 and then goes downward in the gravitational direction.
- the cell culture system 10 can discharge the medium from the temporary reservoir 90 to the waste liquid container 62 while applying positive pressure to the reactor 12 and the flow path 16 by the medium stored in the temporary reservoir 90. can.
- the temporary reservoirs 64 and 94 are arranged outside the housing (the second housing 54) that houses the reactor 12. This allows the operator to easily set the temporary reservoirs 64 and 94 when preparing the cell culture system 10 . Also, the operator can visually check the culture medium in the external temporary reservoirs 64 and 94 to recognize the waste liquid state of the culture medium.
- the temporary reservoir 90 is arranged inside the housing (second housing 54) that houses the reactor 12.
- the cell culture system 10 can avoid inconveniences such as an operator accidentally dropping the temporary reservoir 90 .
- the circulation path 16 has a circulation circuit (EC circulation circuit 44a) that circulates the culture medium between the reactor 12 and a supply circuit (EC supply circuit 44b) that supplies the culture medium to the circulation circuit.
- EC circulation circuit 44a circulation circuit
- EC supply circuit 44b supply circuit
- a waste liquid path 18 is connected to the downstream side of the culture medium circulation direction of the reactor 12 .
- the cell culture system 10 can apply an appropriate positive pressure to the circulation circuit having the gas exchanger 52 via the medium in the temporary reservoirs 64, 90, 94 and the waste liquid path 18. Inflow of excessive gas in can be suppressed.
- a plurality of reactors 12 are provided, and the medium that has flowed through the plurality of reactors 12 is collectively discharged to the waste liquid path 18 and the waste liquid container 62 .
- the cell culture system 10 can efficiently culture cells with a plurality of reactors 12 .
- the cell culture system 10 uses a plurality of reactors 12 to stably drain the medium by the waste liquid container 62 and the temporary reservoirs 64 , 90 , 94 even if a large amount of medium is flowed.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- Immunology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Description
Claims (10)
- 培地の流通に基づき細胞を培養するリアクタと、
前記リアクタに対して前記培地を流入及び流出する流通経路と、
前記流通経路に接続され、当該流通経路から前記培地を排出する廃液経路と、
前記廃液経路に接続され、当該廃液経路を経由した前記培地を貯留可能な廃液容器と、を備える細胞培養システムであって、
前記廃液経路は、前記培地を一時的に貯留可能な一時貯留部を有し、
前記廃液容器は、前記一時貯留部よりも重力方向下側に位置し、
前記一時貯留部は、前記流通経路よりも重力方向上側に設けられ、前記流通経路から排出された前記培地を一時的に貯留すると共に、前記培地を前記廃液容器に向けて流出させる
細胞培養システム。 - 請求項1記載の細胞培養システムにおいて、
前記廃液容器は、前記リアクタの設置箇所よりも重力方向下側に設けられる
細胞培養システム。 - 請求項1又は2に記載の細胞培養システムにおいて、
前記一時貯留部の内部には、第1貯留部と、第2貯留部と、前記第1貯留部及び前記第2貯留部を互いに仕切る隔壁と、前記隔壁よりも重力方向上側にて前記第1貯留部及び前記第2貯留部を連通する連通部と、が設けられ、
前記廃液経路は、前記流通経路と前記第1貯留部との間を連通する上流側ラインと、前記第2貯留部と前記廃液容器との間を連通する下流側ラインと、を含み、
前記下流側ラインは、前記第2貯留部から重力方向下側に向かって延在している
細胞培養システム。 - 請求項3記載の細胞培養システムにおいて、
前記第1貯留部と前記第2貯留部は、重力方向と直交する方向に互いに隣接した位置にあり、前記第1貯留部の容積が前記第2貯留部の容積よりも大きい
細胞培養システム。 - 請求項1又は2記載の細胞培養システムにおいて、
前記一時貯留部は、当該一時貯留部内に流入した前記培地に大気圧をかける大気開放部を有し、
前記大気開放部は、気体を透過する一方で、液体を透過しないベント機構により構成される
細胞培養システム。 - 請求項5記載の細胞培養システムにおいて、
前記廃液経路は、前記流通経路と前記一時貯留部との間を連通する上流側ラインと、前記一時貯留部と前記廃液容器との間を連通する下流側ラインと、を含み、
前記下流側ラインは、前記一時貯留部の下部から重力方向上側に一旦向かった後、重力方向下側に向かっている
細胞培養システム。 - 請求項1~6のいずれか1項に記載の細胞培養システムにおいて、
前記一時貯留部は、前記リアクタを収容する筐体の外部に配置される
細胞培養システム。 - 請求項1~6のいずれか1項に記載の細胞培養システムにおいて、
前記一時貯留部は、前記リアクタを収容する筐体の内部に配置される
細胞培養システム。 - 請求項1~8のいずれか1項に記載の細胞培養システムにおいて、
前記流通経路は、
前記リアクタとの間で前記培地を循環させる循環回路と、
前記循環回路に前記培地を供給する供給回路と、を有し、
前記循環回路は、前記リアクタよりも前記培地の流通方向上流側において前記培地にガスを混合するガス交換器を有し、前記リアクタよりも前記培地の流通方向下流側に前記廃液経路が接続されている
細胞培養システム。 - 請求項1~9のいずれか1項に記載の細胞培養システムにおいて、
前記リアクタは、複数設けられ、
前記廃液経路及び前記廃液容器には、複数の前記リアクタを流通した前記培地がまとめて排出される
細胞培養システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22775517.0A EP4303295A1 (en) | 2021-03-26 | 2022-03-22 | Cell culture system |
JP2023509160A JPWO2022202731A1 (ja) | 2021-03-26 | 2022-03-22 | |
US18/213,930 US20230348832A1 (en) | 2021-03-26 | 2023-06-26 | Cell Culture System |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021052675 | 2021-03-26 | ||
JP2021-052675 | 2021-03-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/213,930 Continuation US20230348832A1 (en) | 2021-03-26 | 2023-06-26 | Cell Culture System |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022202731A1 true WO2022202731A1 (ja) | 2022-09-29 |
Family
ID=83397422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/012947 WO2022202731A1 (ja) | 2021-03-26 | 2022-03-22 | 細胞培養システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230348832A1 (ja) |
EP (1) | EP4303295A1 (ja) |
JP (1) | JPWO2022202731A1 (ja) |
WO (1) | WO2022202731A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012020458A1 (ja) * | 2010-08-12 | 2012-02-16 | 株式会社日立製作所 | 自動培養装置 |
JP2017143775A (ja) | 2016-02-17 | 2017-08-24 | 東洋紡株式会社 | ガス不透過性管を用いた細胞培養装置および細胞培養方法 |
-
2022
- 2022-03-22 EP EP22775517.0A patent/EP4303295A1/en active Pending
- 2022-03-22 JP JP2023509160A patent/JPWO2022202731A1/ja active Pending
- 2022-03-22 WO PCT/JP2022/012947 patent/WO2022202731A1/ja active Application Filing
-
2023
- 2023-06-26 US US18/213,930 patent/US20230348832A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012020458A1 (ja) * | 2010-08-12 | 2012-02-16 | 株式会社日立製作所 | 自動培養装置 |
JP2017143775A (ja) | 2016-02-17 | 2017-08-24 | 東洋紡株式会社 | ガス不透過性管を用いた細胞培養装置および細胞培養方法 |
Also Published As
Publication number | Publication date |
---|---|
US20230348832A1 (en) | 2023-11-02 |
EP4303295A1 (en) | 2024-01-10 |
JPWO2022202731A1 (ja) | 2022-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20200248126A1 (en) | Expanding Cells in a Bioreactor | |
US8906688B2 (en) | Cell expansion system and methods of use | |
US20170158996A1 (en) | Cell culture bag, cell culture apparatus, and cell culture container | |
CA2678893C (en) | Methods to control cell movement in hollow fiber bioreactors | |
JP2013176377A (ja) | 細胞増殖システムおよび使用方法 | |
KR102441836B1 (ko) | 모듈형 세포배양장치 | |
JP5586604B2 (ja) | 細胞培養装置 | |
KR102411446B1 (ko) | 세포배양장치 | |
WO2022202731A1 (ja) | 細胞培養システム | |
JP2021185877A (ja) | 細胞培養容器、細胞培養方法、及び細胞生育状態の評価方法 | |
EP4403616A1 (en) | Portable bioreactor | |
JP2022547798A (ja) | プライミング方法及び生体成分処理システム | |
US20230313115A1 (en) | Cell Culturing System | |
US20230323262A1 (en) | Cell Culturing System | |
CN215593081U (zh) | 一种生物反应器及培养箱 | |
JP2020171235A (ja) | 細胞培養装置及びバイオリアクタ | |
JP2022514203A (ja) | フィルタを有するバイオリアクタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22775517 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023509160 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022775517 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2022775517 Country of ref document: EP Effective date: 20231004 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |