WO2024085682A1 - 바이오리액터 시스템 - Google Patents
바이오리액터 시스템 Download PDFInfo
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- WO2024085682A1 WO2024085682A1 PCT/KR2023/016259 KR2023016259W WO2024085682A1 WO 2024085682 A1 WO2024085682 A1 WO 2024085682A1 KR 2023016259 W KR2023016259 W KR 2023016259W WO 2024085682 A1 WO2024085682 A1 WO 2024085682A1
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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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
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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
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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
- C12M1/12—Apparatus for enzymology or microbiology with sterilisation, filtration or dialysis means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/48—Holding appliances; Racks; Supports
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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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/04—Filters; Permeable or porous membranes or plates, e.g. dialysis
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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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/20—Degassing; Venting; Bubble traps
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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
- 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
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/02—Filters
Definitions
- the present invention relates to bioreactor systems.
- Bioprocess refers to the process of producing a desired treatment using living cells in the bio field.
- Antibodies, stem cells, and immune cells are produced through cell culture, and these are used to produce biopharmaceuticals, vaccines, and cell therapies.
- exosomes are substances that exchange signals between cells and are naturally secreted from cells during the process of cell proliferation/culture. Since these exosomes contain various information such as proteins and DNA of parent cells, they are being developed as biomarkers or therapeutic agents by utilizing them.
- cells are classified according to their adhesion ability into adherent cells, which must adhere to the surface substrate, and floating cells, which proliferate without attachment to the surface of the substrate.
- adherent cells are cultured while attached to the support that serves as the surface substrate, but floating cells are not cultured while attached to the support, but rather attach to the surface of the support, fall off, and attach to the surface of the support again and then fall off. It grows by receiving signals by repeating the process of -contact-floating.
- a bioreactor is used to culture these cells or obtain exosomes naturally secreted from the cells.
- the internal environment in which the cells are placed in the bioreactor must be maintained in an appropriate environment so that the cells can be cultured/proliferated smoothly. exosomes can be secreted.
- the medium that supplies nutrients when cultivating cells in a bioreactor must maintain a certain PH state suitable for cell growth, and exosomes are also released from cells in greater amounts when conditions are similar to those in which cells are cultured/proliferated. may be secreted.
- a method is used to grow cells smoothly and promote secretion of exosomes by continuously supplying appropriate gases to the medium or buffer solution during cell culture/proliferation.
- the present invention was developed in consideration of the above points, and its purpose is to provide a bioreactor system that can smoothly supply gas to the solution while suppressing the generation of bubbles during gas supply.
- Another object of the present invention is to provide a bioreactor system that can easily change the oxygen concentration of the supply gas.
- the present invention includes a reactor unit for culturing/proliferating cells or secreting exosomes from the cells; a solution supply unit that stores a certain amount of solution supplied to the reactor unit; A circulation pump that is interconnected with the reactor unit and the solution supply unit through a tube and circulates the solution stored in the solution supply unit; and a main body having a gas storage space filled with gas supplied from the outside, and a gas supply unit installed in the solution supply unit to supply gas from the gas storage space to the solution stored in the solution supply unit.
- the main body provides a bioreactor system arranged to be submerged in the solution filled in the solution supply unit so that the gas stored in the gas storage space can move to the solution and dissolve.
- the gas supply unit includes a main body having a gas storage space filled with gas supplied from the outside, an opening formed in the main body to communicate with the gas storage space, and a plate shape surrounding the main body to cover the opening. It may include a porous member, a gas inlet provided in the main body to allow gas to flow into the gas storage space, and a gas outlet provided in the main body to allow gas in the gas storage space to be discharged to the outside.
- the porous member may be provided with a hydrophobic membrane to block the solution stored in the solution supply unit from moving into the gas storage space while allowing the gas to move from the gas storage space to the solution side through the opening. there is.
- the bioreactor system may further include a sterilization filter connected to the gas inlet.
- the gas supply unit may include a plurality of openings spaced apart along the circumferential direction of the main body, and the openings may be formed in the main body to have a predetermined area.
- the bioreactor system includes a first holder for supporting the solution supply unit, a second holder disposed at a predetermined distance from the first holder and for supporting the reactor unit, and the first holder and the second holder. It may further include a frame portion that interconnects and includes a support plate on which the circulation pump is mounted.
- the reactor unit includes a box-shaped reactor housing having an accommodating space, a plurality of supports arranged in parallel at a distance from each other in the accommodating space with one side facing each other, and provided in a plate shape with a predetermined area, and the circulation pump. It may include an inlet provided in the reactor housing to allow the solution circulating through to flow into the receiving space, and an outlet provided in the reactor housing to discharge the medium in the receiving space to the solution supply unit.
- the reactor unit may include a plurality of supports arranged in parallel with one side facing each other at intervals, and each of the plurality of supports includes a plate-shaped nanofiber membrane coated with a protein motif, and the nanofiber membrane It may include a support member attached to one surface of the nanofiber membrane via an adhesive layer to support the.
- the solution supply unit includes a supply housing in the shape of a box having an internal space in which a certain amount of the solution is stored, a discharge port provided in the supply housing to supply the solution stored in the internal space to the reactor unit, and a discharge port provided in the supply housing to supply the solution stored in the internal space to the reactor unit. It may include a recovery port provided in the supply housing to recover the solution into the internal space, and the main body may be arranged to be submerged in the solution filled in the internal space.
- the internal space may include a first space and a second space that are divided and communicate with each other through a partition member extending at a certain height from the bottom surface of the supply housing, and the recovery port is in communication with the first space. It may be provided in the supply housing, and the discharge port may be provided in the supply housing to communicate with the second space.
- the main body may be arranged to be submerged in the solution filled in the first space.
- the gas may be a mixed gas with an oxygen concentration of 2 to 14%.
- the solution may be a medium or buffer solution.
- gas with bubbles removed can be supplied to the medium or buffer solution through the gas supply unit.
- the oxygen concentration of the gas supplied through the gas supply unit can be easily adjusted, making it possible to culture cells or produce exosomes in an environment similar to the human body.
- the entire system can be implemented in a portable form, it is possible to culture/proliferate cells or obtain exosomes secreted from cells in various places without location restrictions.
- FIG. 1 is a diagram showing a bioreactor system according to an embodiment of the present invention
- Figure 2 is a diagram showing a reactor unit that can be applied to a bioreactor system according to an embodiment of the present invention
- Figure 3 is an exploded view of Figure 2;
- Figure 4 is a cross-sectional view taken along line A-A of Figure 2;
- Figure 5 is an exploded view of the support assembly of Figure 3;
- Figure 6 is a cross-sectional view showing the detailed configuration of a support that can be applied to a bioreactor system according to an embodiment of the present invention
- Figure 7 is a diagram showing a solution supply unit that can be applied to a bioreactor system according to an embodiment of the present invention.
- Figure 8 is an exploded view of Figure 7;
- Figure 9 is a cross-sectional view taken along line B-B of Figure 7;
- Figure 10 is a diagram showing a gas supply unit that can be applied to a bioreactor system according to an embodiment of the present invention
- Figure 11 is a view showing the state in which the porous member in Figure 10 is separated;
- Figure 12 is a cross-sectional view in the direction C-C of Figure 10.
- Figure 13 is a diagram showing another type of gas supply unit that can be applied to a bioreactor system according to an embodiment of the present invention.
- a plurality of supports 116 and 116' are disposed together with a certain amount of solution in the receiving space S1 of the reactor unit 110, and the solution and the plurality of supports are disposed. (116,116') can be used to culture/proliferate cells or obtain exosomes naturally secreted from cells.
- the exosome (e) is a substance that exchanges signals between cells and may be an endoplasmic reticulum with a size of 30 nm to 200 nm or less.
- the solution filled in the receiving space (S1) may be a medium containing nutrients necessary for cell culture/proliferation, or it may be a buffer solution that does not react with cells or exosomes.
- the buffer solution may be mixed with exosomes and may be a solution that protects the cells or exosomes.
- the buffer solution may be known PBS (Phosphate-Buffered Saline).
- the medium may further include magnetic particles coated with a peptide motif.
- the bioreactor system 100 when the receiving space S1 is filled with a certain amount of medium, the bioreactor system 100 according to an embodiment of the present invention can culture/proliferate cells using nutrients supplied from the medium.
- the bioreactor system 100 acquires exosomes secreted from cells attached to the supports (116, 116'). You can.
- the cells may be adherent cells attached to the supports 116 and 116' constituting the support assembly P.
- the bioreactor system 100 is implemented as a solution circulation system that circulates the solution filled in the receiving space (S1), and can supply gas to the circulated solution.
- the bioreactor system 100 allows the cells to be smoothly cultured/proliferated or secrete exosomes in the reactor unit 110 while reusing the circulating solution.
- the gas supplied to the solution may be supplied to the solution (L) with bubbles removed.
- the gas may be carbon dioxide, but is not limited to this and may be appropriately changed depending on the type of cell.
- the gas may be a mixed gas containing carbon dioxide, oxygen, etc.
- the gas when the gas contains oxygen, the gas may be a mixed gas with an oxygen concentration of 2 to 14%.
- the solution can be maintained in a state suitable for culturing or survival of cells through the supply of the gas even if it is reused through circulation.
- the solution can be maintained at an appropriate pH required for cell culture through the dissolution of gas.
- the bioreactor system 100 when the gas supplied to the solution is a mixed gas with an oxygen concentration of 2 to 14%, the bioreactor system 100 according to an embodiment of the present invention creates a hypoxic environment similar to the human body inside the reactor unit 110. Therefore, cells or exosomes obtained through the bioreactor system 100 according to an embodiment of the present invention may be in a state similar to human cells or exosomes.
- the bioreactor system 100 includes a reactor unit 110, a solution supply unit 120, a circulation pump 130, and a gas supply unit 140 and 140' as shown in FIG. 1. Includes.
- the reactor unit 110 can culture/proliferate cells or allow exosomes to be secreted from the cells while a certain amount of solution (L) is filled therein.
- the reactor unit 110 may include a plurality of supports 116 and 116' disposed therein, and the plurality of supports 116 and 116' may enable cell culture or proliferation and secretion of exosomes. there is.
- the reactor unit 110 may include a receiving space (S1) that accommodates the solution (L) and a plurality of supports (116, 116') to which adherent cells are attached, supplied from the solution supply unit (120). It may include an inlet 114 for introducing the solution into the receiving space (S1) and an outlet 115 for discharging the solution in the receiving space (S1) to the outside.
- the inlet 114 in the reactor unit 110 may be connected to a circulation pump 130 connected to the solution supply unit 120 via a connection line 151, and the outlet 115 may be connected to the circulation pump 130. It may be connected to the solution supply unit 120 via a line 152.
- the solution moving from the solution supply unit 120 to the receiving space (S1) through the inlet 114 passes through the space formed between the supports (116, 116') disposed in the receiving space (S1). Afterwards, it can be returned to the solution supply unit 120 through the outlet 115.
- cells to be cultured or cells for secreting exosomes may be attached to the sides of the plurality of supports (116, 116'), and the cells attached to the supports (116, 116') may contain a medium containing the solution filled in the receiving space (S1). In this case, nutrients can be supplied from the medium.
- the cells attached to the plurality of supports 116 and 116' can be smoothly cultured/proliferated through nutrients supplied from the solution or secrete exosomes toward the solution filled in the receiving space (S1).
- the plurality of supports (116, 116') may be provided in a plate shape with a predetermined area, and the plurality of support bodies (116, 116') formed in a plate shape are spaced apart from each other with one side facing each other in the receiving space (S1). Can be arranged in parallel.
- the bioreactor system 100 can increase the degree of integration of the supports 116 and 116' disposed in the receiving space S1, thereby producing a large amount of cells through a single culture process. Since it can be cultured/proliferated and the total number of cells attached to the plurality of supports 116, 116' can be increased, the amount of exosomes secreted from the cells can be increased.
- a plurality of supports 116 and 116' can be arranged in parallel to each other in one reactor section 110, so that the The overall size can be reduced.
- the supports 116 and 116' can be made of a variety of known materials without limitation as long as they can be implemented in a plate-like shape and to which cells can easily attach.
- the supports 116 and 116' may include a nanofiber membrane 116a in which nanofibers are formed into a three-dimensional network structure through electrospinning.
- the support 116 is a support attached to one surface of the nanofiber membrane 116a through an adhesive layer 116b along with the nanofiber membrane 116a, as shown in (a) of FIG. 6. It may be a three-layer structure including a member 116c.
- the support member 116c may be a plate-shaped film member and may support one side of the nanofiber membrane 116a. Through this, even if the nanofiber membrane 116a is formed in a flexible plate shape, it can be supported through the support member 116c, thereby preventing bending or sagging. Accordingly, the support 116 disposed in the receiving space S1 of the reactor unit 110 can be maintained in an unfolded state.
- the structure of the support 116 is not limited to this, and the support 116' is formed by attaching the nanofiber membrane 116a to the adhesive layer 116b as shown in (b) of FIG. 5. It may be a five-layer structure each attached to both sides of the support member 116c.
- the supports 116 and 116' may have surfaces modified so that cells can smoothly attach to them. That is, the nanofiber membrane 116a may be a membrane whose surface is coated with a motif. Accordingly, cells can be smoothly attached to the surfaces of the supports 116 and 116'.
- Such a reactor unit 110 may include a reactor housing 111 and the above-described supports 116 and 116' as shown in FIGS. 2 to 4, and the reactor housing 111 has an inlet (as described above). 114) and an outlet 115.
- the reactor housing 111 can accommodate a certain amount of solution and a plurality of supports 116 and 116' therein as described above.
- the reactor housing 111 may be formed in a box shape with an accommodation space (S1).
- the reactor housing 111 may include a housing body 112 in the shape of a box having a receiving space (S1) with an open top, and the inlet 114 and the outlet. (115) may be formed on one side of the housing body 112, and the receiving space (S1) with an open top may be sealed through a cover member 113 coupled to the housing body 112.
- the solution supplied from the solution supply unit 120 to the reactor unit 110 can fill the receiving space (S1) through the inlet 114, and the solution filled in the receiving space (S1) is It can be discharged to the outside through the outlet 115.
- the plurality of supports 116 and 116' disposed in the receiving space S1 may be configured in an assembly form to increase the degree of integration and improve assembly.
- the reactor unit 110 may include a support assembly (P) inserted into the receiving space (S1) as shown in FIGS. 3 and 4, and the support assembly (P) includes a plurality of The supports 116 and 116' may be integrated and spaced apart from each other at a certain distance.
- the support assembly (P) may be configured as a stacked structure in which a plurality of supports (116, 116') are arranged in parallel and spaced apart along the height direction of the housing body (112).
- the support assembly (P) may include a plurality of fastening bars 117 having a predetermined length and a plurality of spaced members 118 formed in a ring shape, as shown in FIG. 5, and the plurality of The supports 116 and 116' may be respectively inserted into the fastening bar 117.
- the plurality of fastening bars 117 may be spaced apart from each other at a predetermined distance, and the plurality of fastening bars 117 may be formed into a plate-shaped upper plate 119a and a lower plate (119a) at both ends having a predetermined area. 119b) can be respectively fixed.
- the plurality of fastening bars 117 both ends of which are respectively fixed to the upper plate 119a and the lower plate 119b, can be maintained at a distance from each other, and the plurality of supports 116 and 116' are connected to the upper plate 119a and the lower plate 119b. They may be arranged parallel to each other between the (119a) and the lower plate (119b), and the plurality of supports (116, 116') have a plurality of through holes (116d) formed through them at positions corresponding to the plurality of fastening bars (117). ) can be fastened to the fastening bar 117.
- the plurality of spacing members 118 can be respectively inserted into the plurality of fastening bars 117 like the supports 116 and 116', and the plurality of spacing members 118 and the plurality of supports 116 and 116' ) can be alternately fastened to each fastening bar 117.
- the spacing member 118 can be respectively disposed between two supports 116 and 116' arranged in parallel to each other, and the two supports 116 and 116' disposed at the upper and lower portions are positioned between the spacing members 118. Through this, the distance between each other can be maintained.
- the support assembly P is not limited to this, and various known methods can be applied as long as the plurality of supports 116 and 116' can be arranged parallel to each other in one direction and maintained at a certain distance from each other.
- the solution supply unit 120 may serve to supply a solution to the reactor unit 110, and as described above, the solution stored inside the solution supply unit 120 is supplied to the reactor unit through the circulation pump 130. After being supplied to 110, it can be recovered from the reactor unit 110 to the solution supply unit 120.
- the solution supply unit 120 may include a supply housing 121 in the shape of a box having an internal space (S2) for storing a certain amount of the solution, as shown in FIGS. 7 to 9, and the supply
- the housing 121 may include an outlet 125 and a recovery port 124 so that the solution stored therein can be circulated through the operation of the circulation pump 130, supplied to the reactor unit 110, and then recovered. You can.
- the discharge port 125 may serve as a supply port for supplying the solution stored in the internal space (S2) to the reactor unit 110
- the recovery port 124 may serve as a supply port for supplying the solution stored in the internal space (S2) to the reactor unit 110. It may serve as an inlet port to recover the solution from the internal space (S2).
- the internal space S2 may be formed to have an open top.
- the supply housing 121 may further include a housing body 122 in the shape of a box having the inner space S2 and a lid member 123 covering the open upper part of the inner space S2. there is.
- the discharge port 125 may be connected to the inlet 114 of the reactor unit 110 via the connection line 151, and the recovery port 124 may be connected to the connection line 152. It may be connected to the outlet 115 of the reactor unit 110 through a.
- the solution stored in the internal space (S2) circulates through the receiving space (S1) of the reactor unit (110) and the internal space (S2) of the solution supply unit (120) through the operation of the circulation pump (130). can do.
- the solution stored in the internal space (S2) can be moved from the internal space (S2) to the receiving space (S1) through the operation of the circulation pump (130) and then returned to the internal space (S2). there is.
- the internal space (S2) may be divided into at least two spaces.
- the supply housing 121 includes a plate-shaped partition member 126 extending at a certain height from the bottom surface of the housing main body 122 defining the internal space S2. It may include, and the partition member 126 may divide the internal space (S2) into a first space (S21) and a second space (S22).
- the partition member 126 is connected to the bottom surface of the housing body 122 such that one end is connected to the inner surface of the housing main body 122 and the other end is spaced a predetermined distance from the other inner surface of the housing main body 122. It can be extended to a certain height from.
- first space (S21) and the second space (S22) may be connected to each other through a communication passage (S23) formed at one end of the partition member 126.
- the recovery port 124 may be provided in the housing body 122 to communicate with the first space (S21), and the discharge port 125 may be provided to communicate with the second space (S22). It may be provided in the housing body 122, and the recovery port 124 and the discharge port 125 may be provided in the housing body 122 so as to be located on the same surface of the housing body 122.
- the solution moved from the receiving space (S1) of the reactor unit 110 and recovered into the internal space (S2) through the recovery port 124 is connected to the first space (S21) and the communication path (S23). And after passing through the second space (S22), it can move toward the receiving space (S1) through the discharge port (125).
- the total movement distance of the solution moving from the recovery port 124 to the discharge port 125 in the internal space (S2) may be increased.
- the bubbles contained in the solution move from the recovery port 124 to the discharge port 125. In the process, it may float due to buoyancy and be completely separated from the solution.
- the solution supplied to the receiving space (S1) of the reactor unit 110 through the discharge port 125 can be maintained in the best condition with impurities such as bubbles removed.
- the recovery port 124 may be provided in the housing body 122 to be located at a relatively higher position than the discharge port 125. That is, the discharge port 125 may be located relatively closer to the bottom surface of the housing body 122, which defines the bottom surface of the internal space S2, than the recovery port 124.
- the medium flowing into the first space (S21) from the reactor unit 110 through the recovery port 124 passes through the discharge port 125 formed at a relatively lower position than the recovery port 124. It may be supplied back to the reactor unit 110.
- the bubbles contained in the solution are the solution recovered to the internal space (S2) through the recovery port ( In the process of moving from 124) to the discharge port 125 formed at a relatively lower position than the recovery port 124, it moves upward due to buoyancy and can be completely separated from the solution.
- the solution supplied to the receiving space (S1) of the reactor unit 110 through the discharge port 125 can be maintained in the best condition with impurities such as bubbles removed.
- the bioreactor system 100 connects the reactor unit 110, the circulation pump 130, and the solution supply unit 120 to each other so that the solution stored in the solution supply unit 120 is By driving the circulation pump 130 to circulate the reactor unit 110 and the solution supply unit 120, a closed circulation system can be easily implemented.
- the solution supply unit 120 may further include a vent port 127 provided in the supply housing 121.
- a vent hole 127 may be formed in the supply housing 121 to communicate with the internal space S2.
- This vent 127 may serve to discharge air existing in the internal space S2 to the outside.
- the vent 127 may discharge bubbles separated from the solution in the internal space S2 to the outside as described above.
- the gas supply units 140 and 140' may be installed on the solution supply unit 120, and supply gas for cell culture/proliferation or exosome secretion to the solution circulating through the reactor unit 110 and the solution supply unit 120. It can be placed in the internal space (S2) to supply.
- the internal space (S2) even if the solution filled in the internal space (S2) is reused while circulating through the reactor unit 110 and the solution supply unit 120, the internal space (S2) )
- the solution recovered can be maintained in a state suitable for cell culture or survival through the dissolution of the gas supplied from the gas supply units 140 and 140'.
- the solution recovered from the receiving space (S1) of the reactor unit (110) to the internal space (S2) of the solution supply unit (120) through the operation of the circulation pump (130) is supplied from the gas supply units (140, 140').
- the supplied gas may be changed to a state suitable for cell culture or survival through the dissolution and then re-supplied to the reactor unit 110.
- the cells attached to the supports 116 and 116' are in a solution suitable for culture or survival. Because they can be continuously supplied, the cells attached to the supports 116 and 116' can be cultured and proliferated smoothly, and exosomes can be secreted smoothly.
- the gas supplied from the internal space S2 to the solution through the gas supply units 140 and 140' may have bubbles removed, and even if the gas is supplied to the solution through the gas supply units 140 and 140', The generation of bubbles during the gas supply process can be prevented.
- the gas supply units 140 and 140' may be disposed in the internal space S2 so that the gas can be more smoothly dissolved in the solution.
- the main body 141 which will be described later, may be arranged to be submerged in the solution filled in the internal space S2.
- the gas supply units 140 and 140' include a main body 141 having a gas storage space S3 filled with gas supplied from the outside, as shown in FIGS. 10 to 12, and the gas storage space S3. It may include an opening 142 formed in the main body 141 to communicate with, and a plate-shaped porous member 145 surrounding the main body 141 to cover the opening 142.
- the gas supply units 140 and 140' have a gas inlet 143 provided in the main body 141 to allow gas to flow into the gas storage space S3, and the gas in the gas storage space S3 is discharged to the outside. It may further include a gas outlet 144 provided in the main body 141 so that it can be discharged.
- the gas inlet 143 in the gas supply units 140 and 140' may be connected to an external gas supply source (not shown), and the gas supply source may be of a suitable type for cell culture or survival as described above. Gas can be supplied to the gas supply units 140 and 140'.
- the gas supplied from the gas supply source may be carbon dioxide, but is not limited to this and may be appropriately changed depending on the type of cell.
- the gas supplied from the gas supply source may be a mixed gas of carbon dioxide, oxygen, etc. It may be possible.
- the gas from the gas supply source includes oxygen, the gas may be a mixed gas with an oxygen concentration of 2 to 14%.
- the gas supplied from the gas supply source may flow into the gas storage space (S3) of the main body 141, and the gas flowing into the gas storage space (S3) may flow into the main body through the opening 142. After passing through the porous member 145 surrounding (141), it can move toward the solution filled in the internal space (S2).
- the bioreactor system 100 allows the type and concentration of gas supplied from the gas supply source to the gas supply units 140 and 140' even if the internal space S2 is implemented as a closed space. By being able to easily change, the culture environment or survival environment of cells can be easily adjusted.
- the opening 142 formed in the main body 141 may be provided to have a predetermined area, and the porous member 145 may be attached to the main body 141 to completely cover the opening 142. there is.
- main body 141 may be arranged to be submerged in the solution filled in the internal space S2, as described above.
- the gas stored in the gas storage space (S3) may have air bubbles removed while passing through the porous member 145 covering the opening 142, and be dispersed while passing through the porous member 145 having a predetermined area. It can move toward the solution over a large area.
- the gas stored in the gas storage space (S3) has a large area corresponding to the area of the opening 142 in the internal space (S2) and the surface area of the porous member 145 in direct contact with the solution. It can move to the solution side through.
- the bioreactor system 100 allows the gas supplied from the gas supply units 140 and 140' to be more smoothly dissolved in the solution filled in the internal space S2, and the gas is supplied from the gas supply units 140 and 140'. Even if gas is supplied to the solution from the supply units 140 and 140', the generation of bubbles during the gas supply process can be prevented.
- the gas inlet 143 in the gas supply units 140 and 140' may serve as an inlet through which gas supplied from the gas supply source flows into the gas storage space S3, and the gas outlet 144 It may serve to regulate the internal pressure of the gas storage space (S3) by allowing the gas existing in the gas storage space (S3) to be discharged to the outside during the process of supplying gas to the gas storage space (S3). there is.
- the internal pressure of the gas storage space (S3) can be adjusted through the gas outlet 144. It is possible to prevent bubbles from being generated due to excessive pressure while the gas stored in the gas storage space (S3) passes through the porous member 145.
- the main body 141 may be formed as an octahedral hollow shape with an approximately hexagonal cross-section, as shown in FIGS. 10 and 11, and the gas storage space S3 is an area of the main body 141. It could be an internal space.
- the opening 142 may be formed to penetrate each of the four sides forming the side out of the eight sides of the main body 141 to have a predetermined area, and the gas inlet 143 and the gas outlet 144 are One side of the main body 141, which forms the upper surface among the eight sides of the main body 141, may be provided to communicate with the gas storage space (S3).
- the gas inlet 143 and the gas outlet 144 may be directly coupled to the supply housing 121 so that a portion of the length protrudes to the outside of the supply housing 121, but the gas inlet 143 And the gas outlet 144 may be connected to the supply housing 121 through separate connection pipes 153a and 153b.
- the supply housing 121 may include two fittings 128a and 128b provided on the lid member 123, and the gas inlet 143 and the gas outlet 144 may be respectively connected to the fittings 128a and 128b through separate connectors 153a and 153b.
- the gas supply units 140 and 140' can be disposed in the internal space S2 at a predetermined distance from the lid member 123 through the connection pipes 153a and 153b, and the main body 141 ) can be arranged to be submerged in the solution filled in the internal space (S2).
- the main body 141 also has a gas storage space (S3) inside and includes an opening 142 formed with a predetermined area to communicate with the gas storage space (S3) formed inside, it can be used in various known shapes. can be changed.
- the main body 141 in the gas supply unit 140' may be formed in a substantially hollow cylindrical shape, and the gas storage space S3 is an internal space of the main body 141. It can be.
- the main body 141 may include two openings 142 formed to penetrate a portion of the entire circumferential surface, and two porous members 145 cover each of the two openings 142. It can be attached to the main body 141.
- the openings 142 and the porous member 145 are shown as having a one-to-one correspondence, but the present invention is not limited thereto. If a plurality of openings 142 are provided, the plurality of openings are one porosity. All may be covered by a member, and the total number of openings 142 and the total number of porous members 145 may be changed as appropriate.
- the porous member 145 covering the opening 142 in the gas supply unit 140, 140' allows the gas to move from the gas storage space S3 to the solution side through the opening 142. It may be provided to block the solution in the internal space (S2) from moving into the gas storage space (S3).
- the porous member 145 can block foreign substances and liquids from passing through, while allowing gases such as carbon dioxide to pass through.
- the porous member 145 may be a water-repellent nanofiber membrane.
- the material of the porous member 145 is not limited to this, and any material that blocks solid and liquid fluids from passing through but allows gaseous fluids to pass through can be used without limitation.
- the solution filled in the internal space S2 may not be contaminated by other foreign substances.
- the solution filled in the internal space (S2) may be blocked from moving toward the gas storage space (S3) of the gas supply units (140, 140') through the porous member 145, the gas is separated from the gas supply source.
- the direction of movement of the gas supplied to the storage space (S3) may always be limited to the solution side surrounding the outside of the main body 141 in the gas storage space (S3).
- the flow direction of gas can be maintained constant between the gas storage space (S3) and the solution, from the gas storage space (S3). Even if the gas passes through the porous member 145, the possibility of bubbles occurring during movement through the porous member 145 can be fundamentally prevented.
- the main body 141 is divided into the first space (S21) ) and may be arranged to be submerged in the solution filled in the first space (S21).
- the main body 141 may be arranged in the solution supply unit 120 to be located close to the recovery port 124 that recovers the solution from the reactor unit 110.
- the solution recovered from the receiving space (S1) of the reactor unit (110) to the first space (S21) through the recovery port (124) is stored in the main body (141) disposed in the first space (S21). ) and then re-supplied to the receiving space (S1) of the reactor unit 110 through the discharge port 125.
- the gas supplied from the gas supply units 140 and 140' can be sufficiently dissolved in the solution.
- the solution supplied to the receiving space (S1) of the reactor unit 110 through the discharge port 125 is changed to a state in which the gas supplied from the gas supply units 140 and 140' is sufficiently dissolved, and then the receiving space ( You can move to S1).
- the bioreactor system 100 may further include a sterilization filter 160 connected to the gas inlet 143 in the gas supply units 140 and 140'.
- the sterilizing filter 160 may be connected to fittings 128a and 128b provided in the supply housing 121.
- the gas supplied from the gas supply source may be supplied to the gas supply units 140 and 140' after passing through the sterilizing filter 160.
- sterilized gas can always flow into the gas storage space (S3), thereby preventing contamination of the solution filled in the internal space (S2) by bacteria or microorganisms.
- the sterilizing filter 160 may be a known sterilizing syringe filter, but is not limited thereto. If the gas supplied from the gas supply source can be supplied to the gas supply units 140 and 140' in a sterilized state, various known sterilizing filters may be used. can be hired.
- the bioreactor system 100 may further include a frame unit 150 for fixing or mounting the reactor unit 110, the solution supply unit 120, and the circulation pump 130. You can.
- the bioreactor system 100 is one in which the reactor unit 110, the solution supply unit 120, and the circulation pump 130 are fixed or mounted on one side of the frame unit 150. It can be configured in the form of a module.
- the bioreactor system 100 since the bioreactor system 100 according to an embodiment of the present invention can be implemented in a portable form, it can culture/proliferate cells or obtain exosomes secreted from cells in various places without location restrictions. can do.
- the frame unit 150 may include a first holder 171, a second holder 172, and a support plate 173, as shown in FIG. 1.
- first holder 171, the second holder 172, and the support plate 173 may each be a plate-shaped member with a predetermined area, and the second holder 172 may be the first holder 171. ), and the support plate 173 can connect the first holder 171 and the second holder 172.
- first holder 171 and the second holder 172 can be maintained spaced apart from each other through the support plate 173.
- the solution supply part 120 may be placed on one side of the first holder 171
- the reactor part 110 may be placed on one side of the second holder 172
- the circulation The pump 130 may be mounted on the support plate 173.
- the reactor unit 110, the solution supply unit 120, and the circulation pump 130 may be mounted on the frame unit 150, respectively.
- bioreactor system 100 can be implemented in a portable form as described above.
- the bioreactor system 100 can be transported to various places regardless of location.
- the various places may be places where cells attached to the supports 116 and 116' can be stably cultured or proliferated, or where exosomes can be smoothly secreted from the cells.
- the various locations may be small-scale incubators provided in a laboratory or laboratory, and the small-scale incubator may be a space where the temperature is maintained constant.
- the reactor unit 110, the circulation pump 130, and the solution supply unit 120 are connected to each other via connection lines 151 and 152, and the solution A closed circulation system can be implemented by allowing the medium stored in the supply unit 120 to circulate through the solution supply unit 120 and the reactor unit 110 through the circulation pump 130.
- bioreactor system 100 cultivates cells or By being maintained in a state suitable for survival, the amount of solution used can be minimized and the production cost can be reduced.
- the bioreactor system 100 includes the supply amount, supply cycle, and Supply time, etc. can be adjusted, and the control unit can control the overall operation in addition to driving the circulation pump 130.
- the bioreactor system 100 enables stable cell culture by supplying gas with bubbles removed to the solution through the gas supply units 140 and 140', as well as exosomes.
- the amount of secretion can be increased.
- the bioreactor system 100 can easily control the oxygen concentration of the gas supplied through the gas supply units 140 and 140', thereby cultivating cells or exosomes in an environment similar to the human body. can be produced
- bioreactor system 100 since the bioreactor system 100 according to an embodiment of the present invention can be implemented in a portable form so that the entire system can be carried, cells can be cultured/proliferated in various places without location restrictions, or exosomes secreted from cells can be used. can be obtained.
- the cells for culturing/proliferating or secreting exosomes in the reactor unit 110 are adherent cells, but the present invention is not limited thereto, and the cells cultured in the reactor unit 110 are not limited thereto.
- /Cells for proliferation or secretion of exosomes may be floating cells. In this case, the floating cells are not attached to the support but are suspended in a solution, attaching to the surface of the support, falling off, attaching to the surface of the support again, and then falling, repeating the process of contact-floating-contact-floating, thereby transmitting signals. It can be cultured/proliferated or secreted as exosomes.
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Abstract
Description
Claims (12)
- 세포를 배양/증식하거나 상기 세포로부터 엑소좀을 분비하기 위한 리액터부;상기 리액터부로 공급되는 용액이 일정량 저장되는 용액공급부;상기 리액터부 및 용액공급부와 튜브를 매개로 상호 연결되어 상기 용액공급부에 저장된 용액을 순환시키는 순환펌프; 및외부로부터 공급되는 기체가 채워지는 기체저장공간을 갖는 본체를 포함하고, 상기 기체저장공간으로부터 상기 용액공급부에 저장된 용액 측으로 기체를 공급할 수 있도록 상기 용액공급부에 설치되는 기체공급부;를 포함하고,상기 본체는, 상기 기체저장공간에 저장된 기체가 상기 용액 측으로 이동하여 용존할 수 있도록 상기 용액공급부에 채워진 용액에 잠기도록 배치되는 바이오리액터 시스템.
- 제1항에 있어서,상기 기체공급부는,외부로부터 공급되는 기체가 채워지는 기체저장공간을 갖는 본체와, 상기 기체저장공간과 연통되도록 상기 본체에 형성되는 개구부와, 상기 개구부를 덮도록 상기 본체를 둘러싸는 판상의 다공성부재와, 상기 기체저장공간 측으로 기체가 유입될 수 있도록 상기 본체에 구비되는 기체유입구 및 상기 기체저장공간의 기체가 외부로 배출될 수 있도록 상기 본체에 구비되는 기체배출구를 포함하는 바이오리액터 시스템.
- 제2항에 있어서,상기 기체가 상기 기체저장공간으로부터 상기 개구부를 통하여 상기 용액 측으로 이동하는 것을 허용하면서 상기 용액공급부에 저장된 용액이 상기 기체저장공간으로 이동하는 것을 차단할 수 있도록 상기 다공성부재는 소수성 멤브레인으로 구비되는 바이오리액터 시스템.
- 제2항에 있어서,상기 바이오리액터 시스템은, 상기 기체유입구와 연결되는 멸균필터를 더 포함하는 바이오리액터 시스템.
- 제2항에 있어서,상기 기체공급부는 상기 본체의 둘레방향을 따라 이격배치되는 복수 개의 개구부를 포함하고, 상기 개구부는 소정면적을 갖도록 상기 본체에 형성되는 바이오리액터 시스템.
- 제1항에 있어서,상기 바이오리액터 시스템은,상기 용액공급부를 지지하기 위한 제1거치대와, 상기 제1거치대와 일정간격 이격되도록 배치되고 상기 리액터부를 지지하기 위한 제2거치대와, 상기 제1거치대 및 제2거치대를 상호 연결하고 상기 순환펌프가 장착되는 지지판을 포함하는 프레임부를 더 포함하는 바이오리액터 시스템.
- 제1항에 있어서,상기 리액터부는,수용공간을 갖는 함체형상의 리액터 하우징과, 상기 수용공간에서 일면이 서로 대면하면서 서로 간격을 두고 평행하게 배치되며 소정의 면적을 갖는 판상으로 구비되는 복수 개의 지지체 및 상기 순환펌프를 통해 순환되는 용액을 상기 수용공간으로 유입할 수 있도록 상기 리액터 하우징에 구비되는 유입구 및 상기 수용공간의 용액을 상기 용액공급부로 배출할 수 있도록 상기 리액터 하우징에 구비되는 유출구를 포함하는 바이오리액터 시스템.
- 제1항에 있어서,상기 리액터부는,일면이 서로 대면하면서 서로 간격을 두고 평행하게 배치되는 복수 개의 지지체를 포함하고,상기 복수 개의 지지체 각각은,단백질 모티프 코팅된 판상의 나노섬유 멤브레인과, 상기 나노섬유 멤브레인을 지지할 수 있도록 상기 나노섬유 멤브레인의 일면에 접착층을 매개로 부착된 지지부재를 포함하는 바이오리액터 시스템.
- 제1항에 있어서,상기 용액공급부는,상기 용액이 일정량 저장되는 내부공간을 갖는 함체형상의 공급하우징과, 상기 내부공간에 저장된 용액을 상기 리액터부로 공급할 수 있도록 상기 공급하우징에 구비되는 토출구와, 상기 리액터부로부터 상기 내부공간으로 용액을 회수할 수 있도록 상기 공급하우징에 구비되는 회수구를 포함하고,상기 본체는, 상기 내부공간에 채워진 용액에 잠기도록 배치되는 바이오리액터 시스템.
- 제9항에 있어서,상기 내부공간은 상기 공급하우징의 바닥면으로부터 일정높이 연장되는 격벽부재를 매개로 구획되면서 서로 연통되는 제1공간 및 제2공간을 포함하고,상기 회수구는 상기 제1공간과 연통되도록 상기 공급하우징에 구비되고, 상기 토출구는 상기 제2공간과 연통되도록 상기 공급하우징에 구비되며,상기 본체는 상기 제1공간에 채워진 용액에 잠기도록 배치되는 바이오리액터 시스템.
- 제1항에 있어서,상기 기체는 산소의 농도가 2 내지 14%인 혼합가스인 바이오리액터 시스템.
- 제1항에 있어서,상기 용액은 배지 또는 버퍼용액인 바이오리액터 시스템.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0136292 | 2022-10-21 | ||
| KR1020220136292A KR20240056088A (ko) | 2022-10-21 | 2022-10-21 | 바이오리액터 시스템 |
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| WO2024085682A1 true WO2024085682A1 (ko) | 2024-04-25 |
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| PCT/KR2023/016259 Ceased WO2024085682A1 (ko) | 2022-10-21 | 2023-10-19 | 바이오리액터 시스템 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040029265A1 (en) * | 2000-10-10 | 2004-02-12 | Nobutoshi Doi | Cell culture case |
| US20190010437A1 (en) * | 2016-02-26 | 2019-01-10 | Guangzhou Jet Bio-Filtration Co., Ltd. | Cell culture apparatus and method |
| KR20190010490A (ko) * | 2017-07-21 | 2019-01-30 | 포항공과대학교 산학협력단 | 관류식 바이오 리엑터를 사용한 세포밖 소포체 분비량 향상 방법 및 이를 위한 시스템 |
| KR20210138976A (ko) * | 2020-05-13 | 2021-11-22 | 아주대학교산학협력단 | 중공섬유와 나노섬유로 만들어진 나노시트 복합체를 이용한 바이오리액터 |
| KR102441836B1 (ko) * | 2019-10-17 | 2022-09-08 | 주식회사 아모그린텍 | 모듈형 세포배양장치 |
-
2022
- 2022-10-21 KR KR1020220136292A patent/KR20240056088A/ko active Pending
-
2023
- 2023-10-19 WO PCT/KR2023/016259 patent/WO2024085682A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040029265A1 (en) * | 2000-10-10 | 2004-02-12 | Nobutoshi Doi | Cell culture case |
| US20190010437A1 (en) * | 2016-02-26 | 2019-01-10 | Guangzhou Jet Bio-Filtration Co., Ltd. | Cell culture apparatus and method |
| KR20190010490A (ko) * | 2017-07-21 | 2019-01-30 | 포항공과대학교 산학협력단 | 관류식 바이오 리엑터를 사용한 세포밖 소포체 분비량 향상 방법 및 이를 위한 시스템 |
| KR102441836B1 (ko) * | 2019-10-17 | 2022-09-08 | 주식회사 아모그린텍 | 모듈형 세포배양장치 |
| KR20210138976A (ko) * | 2020-05-13 | 2021-11-22 | 아주대학교산학협력단 | 중공섬유와 나노섬유로 만들어진 나노시트 복합체를 이용한 바이오리액터 |
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