WO2004018614A1 - 細胞反応検査用装置および細胞反応検査方法 - Google Patents
細胞反応検査用装置および細胞反応検査方法 Download PDFInfo
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- WO2004018614A1 WO2004018614A1 PCT/JP2003/010574 JP0310574W WO2004018614A1 WO 2004018614 A1 WO2004018614 A1 WO 2004018614A1 JP 0310574 W JP0310574 W JP 0310574W WO 2004018614 A1 WO2004018614 A1 WO 2004018614A1
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N2035/0097—Control arrangements for automatic analysers monitoring reactions as a function of time
Definitions
- the present invention relates to a cell reaction test apparatus for performing a cell reaction test for detecting a result of a cell reaction caused by contact with a cell stimulating substance in a cell;
- the present invention relates to a cell reaction test method for performing a cell reaction test using the cell reaction test device. Background technology
- a test solution containing a cell stimulating substance including various physiologically active substances is supplied to living cells, and a cell response caused by contact with the cell stimulating substance occurs in the cells.
- a cell reaction test for detecting the result of the cell reaction or a cell reaction test for detecting that no cell reaction is caused by the cell stimulating substance.
- Various evaluations such as efficacy by the cell stimulating substance or resistance of the cell to the cell stimulating substance have been performed.
- the above-described cell reaction test is performed by, for example, adding and supplying a test solution containing various cell stimulating substances to cells seeded in a medium added to a plastic petri dish, for example. Is done.
- a test solution for example, by collecting a test solution and analyzing the test solution after a cell reaction has occurred in the cells, and by directly observing the cells using a fluorescent dye-labeled probe.
- the result of the cell reaction is detected by collecting and analyzing the cells subjected to the reaction, and various evaluations are performed based on the detection result.
- There are various ways to perform a reaction test It is difficult to set the reaction conditions with a high degree of freedom. For example, perform desired cell response tests under conditions for performing sequential reactions using multiple types of cell stimulators on a single cell, or conditions that combine reactions from multiple types of cells It is difficult.
- the present invention has been made in view of the above circumstances, and has as its object to provide a large degree of freedom in a liquid circulation path to a cell reaction site, which is required according to the type of cell reaction test to be performed. It is an object of the present invention to provide a cell reaction testing device using a liquid processor dedicated device which can be set in the above.
- Another object of the present invention is to provide a cell reaction test method using the above-described cell reaction test device.
- the cell reaction testing device of the present invention comprises: a plate-shaped substrate;
- a pulp control mechanism for controlling each of the valves between a closed state and an open state thereof
- the liquid medium necessary for the survival of the cells is supplied through one of the micro channels communicating with the selected micro space where the living cells are located, and the micro space is A test solution containing a cell stimulating substance is supplied via another microchannel communicating with the cell, and is used for a cell reaction test for examining a reaction in the cell caused by the test solution. . '
- the cell reaction detection method of the present invention comprises:
- a valve control mechanism for controlling each of the valves between a closed state and an open state thereof, using a device for a liquid processor,
- the liquid medium necessary for the survival of the cell is supplied to the selected micro space where the cell is located through one of the micro channels communicating with the micro space, and the micro medium is connected to the micro space.
- a test solution containing a cell stimulating substance is supplied through another microchannel, and a reaction in the cell caused thereby is inspected.
- cells of the same type are located in a plurality of microspaces, and different test liquids containing a cell stimulating substance are supplied to the plurality of microspaces.
- heterogeneous cells are located in the plurality of microspaces, and the same test solution containing a cell stimulating substance is supplied to the plurality of microspaces.
- the cell reaction detection method of the present invention comprises:
- a pulp control mechanism for controlling each of the pulp between a closed state and an open state, using a device for a liquid processor,
- the micro flow communicating with the micro space A liquid medium necessary for the survival of the cell is supplied through one of the channels, and a first test solution having a cell stimulating substance is supplied through the other micro flow communicating with the micro space.
- the supply of the first test liquid is stopped by switching the open / close state of the pulp in the micro flow path communicating with the micro space, and the supply path of the first test liquid is switched.
- a second test process that supplies a second test solution that is different from the first test solution and contains a cell stimulating substance by a different supply route
- the first test solution and the second test solution contain cell stimulating substances having different types or concentrations from each other.
- the cells located in the minute space are cells derived from 11 ⁇ or an organ of an animal, and the cell stimulating substances contained in the first test solution and the second test solution are cell growth factors.
- it is selected from cell growth factors, hormones, nutrients and serum.
- the test of the reaction in the cell is the detection of a substance produced by the cell.
- the cell reaction detection method of the present invention comprises:
- a pulp control mechanism for controlling each of the valves between a closed state and an open state thereof, using a device for a liquid processor,
- a liquid medium necessary for cell survival is supplied to a selected plurality of microspaces in which cells are located, via one of microchannels communicating with each of the plurality of microspaces,
- a cell reaction test for supplying a test solution containing a cell stimulating substance via another one of the microchannels communicating with each of the plurality of microspaces
- a result of the cell reaction by the first cell is supplied to the second cell.
- the open / closed state of the pulp related to the microchannels constituting the microchannel is selectively controlled, and the liquid processor in which the liquid circulation path is set with a large degree of freedom is used, so that the living body located in the selected microspace can be used. It is possible to set the reaction conditions with great flexibility for the cells that have been used.
- the liquid processor used as the cell reaction test device as a microreactor, the required amount of reagent is extremely small, and the desired cell reaction can be performed under economically advantageous conditions. Can be performed.
- reaction conditions are set with a large degree of freedom for living cells located in the selected microspace. Therefore, the desired reaction can be easily performed under various different conditions in the cell, and the result of the reaction can be detected with high efficiency.
- FIG. 1 is an explanatory view schematically showing an example of the configuration of a liquid processor device that constitutes the cell reaction detection device of the present invention.
- FIG. 2 is an explanatory sectional view showing a specific configuration of pulp.
- FIG. 3 is an explanatory cross-sectional view showing a specific configuration of a minute space portion at an intersection of a vertical minute channel and a horizontal minute channel in a section perpendicular to the horizontal minute channel.
- FIG. 4 is an explanatory diagram showing a specific example of a liquid processor in the cell reaction detection method of the present invention.
- FIG. 5 is an explanatory diagram showing a specific example of the liquid processor in the cell reaction detection method of the present invention.
- FIG. 6 is an explanatory view showing another specific example of the liquid processor in the cell reaction detection method of the present invention.
- FIG. 7 is an explanatory diagram showing another specific example of the liquid processor in the cell reaction test method of the present invention.
- FIG. 8 is an explanatory diagram showing another specific example of the liquid processor in the cell reaction test method of the present invention.
- FIG. 9 is an explanatory diagram showing a specific example in which the open / close state of the valve is controlled and switched in the liquid processor 1 shown in FIG.
- FIG. 10 is an explanatory diagram showing another specific example of the liquid processor in the cell reaction test method of the present invention.
- FIG. 1 is an explanatory diagram schematically showing an example of the configuration of a device for a liquid processor (hereinafter, simply referred to as a “device”) constituting the apparatus for detecting a cell reaction of the present invention.
- a device for a liquid processor hereinafter, simply referred to as a “device” constituting the apparatus for detecting a cell reaction of the present invention.
- FIG. 10 is a rectangular plate-like base material 12, which extends in the thickness direction in the plane direction in the horizontal direction, and both ends are opened at both right and left side edges, and two tunnel-like lateral directions are provided.
- the paths VI and V2 are formed so as to be separated from each other in the left and right direction.
- the horizontal microchannels HI and H2 and the vertical microchannels V1 and V2 are combined with a total
- HI i, H2 i, VI i and V2 i are the openings located on the left and upper edges of substrate 12, and Hlo, H2 o, V1 o and V2 o are the substrates 12 Are located on the right and lower edges of the. More specifically, the upper horizontal microchannel (hereinafter referred to as “upper horizontal channel”) HI and the left vertical microchannel (hereinafter referred to as “left vertical channel”) VI are microspaces.
- upper horizontal channel HI and right vertical microchannel (hereinafter referred to as “right vertical channel”) V2 intersect in microspace X2, and lower horizontal channel
- the micro flow path (hereinafter referred to as “lower horizontal flow path”) H 2 and the left vertical flow path VI intersect in the micro space X 3, and the lower horizontal flow path H 2 and the right vertical flow path V 2 Cross at the minute space X4.
- Each of the upper horizontal flow path HI, the lower horizontal flow path H2, the left vertical flow path VI, and the right vertical flow path V2 is divided by two intersections on the flow path into three flow path portions. Each of them is provided with a valve for opening and closing the flow path portion.
- the three vertically divided areas defined by the upper horizontal flow path H1 and the lower horizontal flow path H2 are A, B, and C in order from the top, and the left vertical flow path VI and the right vertical flow path
- the three regions arranged in the left and right direction defined by the passage V2 are a, b, and c in order from the left, and each pulp and flow passage portion is indicated by the sign of the micro flow passage where it is located and the sign of the region.
- valve Hla the valve in the flow path portion in the left area a of the upper horizontal flow path H1 is represented as “valve Hla”.
- valves H la, H lb and H lc force are applied to the respective passage portions of the upper lateral passage H 1.
- the pulp H 2 a, H 2 b and H 2 c forces are applied to the respective passage portions of the lower lateral passage H 2.
- Pulp V 1 A, V 1 B, and V 1 C in each side of the vertical vertical channel V 1, and pulp V 2 A, V 2 B, and V in each side of the right vertical channel V 2 2 C are provided respectively.
- FIG. 2 is an explanatory sectional view showing a specific configuration of the valve.
- a spherical space 20 having a relatively large inner diameter constituting a valve chamber is formed in a thick portion (a hatched portion in FIG. 2) of a base material 12.
- a channel portion is formed by one of the pores 22 and the other of the pores 24 that are communicated with each other by being opened at 20.
- One of the pores 22 has a main portion 22 A extending along the surface of the substrate 12, and a U-shaped bent portion 22 B continuous to the main portion 22 A.
- the bent portion 22B communicates with the spherical space 20 via a circular opening 23 at the upper part of the spherical space 20.
- the opening 23 has a peripheral edge serving as a valve seat of the pub.
- the other pore 24 extends along the surface of the substrate 12 and communicates with the side of the spherical space 20 at the opening 25.
- Pulp poles 28 constituting the particles are arranged.
- the valve pole 28 is made of a magnetic field sensitive material, for example, a ferromagnetic material such as iron, nickel, and cobalt.
- a magnetizable film 30 for moving the pulp pole 28 in the thickness direction of the substrate 12 is provided on the entire surface of the substrate 12.
- the magnetizable film 30 magnetizes a portion facing any one of the spherical spaces 20, the action of a magnetic field generated in the portion causes the valve ball 28 in the spherical space 20. Is moved by a suction force to press against the periphery of the opening 23 related to the one pore 22, thereby closing the opening 23 and communicating the one pore 22 with the spherical space 20. Is shut off, and thus the flow path portion is in a state where the flow of the liquid is prohibited. That is, the magnetizable film 30 has an action as a valve control mechanism for the valve, and when the valve control mechanism is driven, the valve that has been in the open state is closed. .
- the magnetizable film 30 for example, a card writer used for processing a magnetic card or a storage method of a hard disk drive of a personal computer can be used.
- the valve once closed can maintain the closed state as it is until the portion is demagnetized, while the magnetized portion of the magnetizable film is kept closed. Since the valve can be opened by degaussing, the setting state of the liquid flow path once formed can be reset, and as a result, the device 10 itself can be used repeatedly. Become.
- the Depis 10 on a magnetizing device it is possible to control the opening and closing state of the pulp as appropriate while performing a micro reaction or the like in the Depis 10 in which the liquid flow path is set. As a result, it is possible to freely change the liquid circulation route.
- FIG. 3 is an explanatory cross-sectional view showing a specific configuration of a micro space portion at an intersection of a vertical micro-channel and a horizontal micro-channel in a cross section perpendicular to the extending direction of the horizontal micro-channel. is there.
- the minute space portion 31 is formed entirely in a thick portion of the base material 12 by a column-shaped void extending vertically. Inside the minute space 31, a membrane-like cell support member 34 that supports cells but allows liquid to permeate is disposed so as to extend in the plane direction.
- the upper space 32 and the lower space 33 are formed in a state divided by.
- the opening of the 35 B and the horizontal minute flow path 36 B allows the liquid communication path to be formed by communicating with each other.
- a cell loss prevention member made of various mesh-like members is provided, which allows the flow of the liquid and allows the cells located in the minute space 31 to flow away. That has been prevented.
- the device 10 is provided with a flow path partial opening / closing mechanism having a function of driving individual pulp control mechanisms for all pulp in the target device, as well as the micro flow network information and the micro flow network information of the device.
- a distribution channel setting device comprising a computer in which information on the position of the pulp is stored.
- the valves related to the flow path parts other than the selected flow path part are closed by the liquid flow path setting instruction by an appropriate signal. This allows communication through a specific micro space A required liquid flow path is set, and the device 10 is used as the liquid processor 1, and this liquid processor 1 is used as a cell reaction detection device.
- the material constituting the substrate 12 a material that does not inhibit the living state of the cells to be used, such as glass, resin, or metal, can be used, and particularly, resin is used because the production is easy. Is preferred.
- a material having a light transmission property such as glass or a transparent resin as a material constituting the base material 12, thereby enabling visual observation of cells in a minute space. can do.
- the size, shape, and other conditions of the substrate 12 can be freely determined.
- An example of the force is a square having a length of 30 mm, a width of 30 mm, and a thickness of 5 mm.
- each of the microchannels may be one through which a normal liquid (for example, water) can flow, for example, a circular tunnel having an inner diameter of 30 / Xm.
- a normal liquid for example, water
- the flow rate of the liquid is Is, for example, 0.5 ⁇ L / min.
- the inner diameter of the spherical space 20 is, for example, 80 ⁇ m, and the outer diameter of the bulb ball 28 is, for example, 40 ⁇ m.
- the minute space 31 may have a volume of, for example, 0.0008 to 20 ⁇ l, and may have a height of 100 to 300 / im, particularly preferably 2
- a columnar material having a diameter of 100 to 200 ⁇ m and a diameter of 100 to 300 ⁇ , particularly preferably 200 to 200 im can be preferably used.
- the form of the minute space is not particularly limited, and may be a size and a shape according to a target cell reaction, and may be, for example, a spherical shape or a rectangular parallelepiped shape.
- a liquid supply mechanism (not shown), for example, composed of a micropump, is provided, so that a liquid required from an appropriate opening in the outer peripheral edge of the base material 12 is supplied to the microchannel. Is flowed in.
- the depis having the above configuration can be manufactured by various methods. Specifically, it is preferable to use a so-called stereolithography method.
- the open / close state of the pulp is controlled to be a liquid processor, and in that state, the cell reaction test method of the present invention is executed as follows.
- the cell reaction inspection method of the present invention first, living cells are seeded on the membrane-like cell support member in the minute space, and the open / closed state of the valve in the device 10 constituting the cell reaction inspection device. Is controlled, a liquid flow path is formed that communicates with the micro space where the cell, which is a cell reaction site, is located. Then, the so-called conditioning is performed by continuously supplying the liquid culture medium to the minute space portion via the liquid circulation path, whereby the cells adhere to the membrane-like cell supporting member without fail. Alternatively, a fixed state is achieved.
- the minute space where the cells are to be located is appropriately determined in consideration of the liquid circulation path formed according to the type of the cell reaction, which is the target microreaction. It only has to be selected.
- the liquid culture medium flows from the opening H2i, flows through the liquid flow path, is supplied to the minute space X4, and is discharged from the opening V2o. Conditioning of the cells located in 4 is performed.
- This conditioning may be performed for a specific time determined by the type of cells used for the test and other conditions, for example, for 12 hours.
- liquid medium is continuously supplied.
- the liquid flow path through which the liquid culture medium flows through the micro-space X4 where the cells are located (hereinafter also referred to as the “liquid culture medium supply path”). )
- Another liquid flow path (hereinafter, also referred to as “test liquid supply path”) is formed, and the selected type of cell stimulant is set at the set concentration through this test liquid supply path.
- the cell reaction test is performed by supplying the contained test solution to the minute space portion X.
- valves V 2 B are opened and the pulp H 1 b and H 1 c are closed.
- the panolebs HIb, Hlc, H2c, VIB, and VIC are closed and the other lobes are opened, so that the flow path portion H from the opening H2i is opened.
- liquid medium supply path communicating with the micro space X4 via the micro space X 3 and the flow path H 2 b, and the flow path V 2 A from the opening V 2 i, the micro space
- a liquid discharge path is formed, and the flow of liquid is prohibited in the other flow paths Hla, Hlb, Hlc, H2c, VIA, VIB and VIC. It is revealed.
- the second liquid processor 1 is configured.
- the liquid medium flows from the opening H 2 i and is supplied to the minute space X, and the test liquid containing the cell stimulating substance flows from the opening V 2 i and flows into the minute space X. And the liquid from the minute space X is discharged to the outside through the liquid discharge path, whereby the cell reaction test is performed. Then, the presence or absence of the reaction in the cell subjected to the cell reaction, the type of the generated reaction, or the result such as the magnitude of the reaction is detected by appropriate means. Are evaluated.
- the method for detecting the result of the cell reaction in the cell reaction test is not particularly limited, and can be performed by various methods according to the purpose of the cell reaction test.
- the cells are removed from the micro space, the living state or the active state of the cells are changed, and the reaction products are removed.
- a method of detecting the presence or absence, the amount, etc. a method of examining a change in composition of an effluent discharged from a micro space through a liquid discharge path, and detecting, for example, a substance produced by cells, or
- a carrier liquid is supplied to the minute space through an appropriate liquid circulation channel, and the composition of the discharged carrier liquid is examined for change.
- a method of detecting a substance produced by a cell may be mentioned. That's a thing.
- the composition of the carrier solution can be determined according to various conditions or purposes.
- the activity state in the hepatic parenchymal cells is examined by detecting the amount of albumin contained in the effluent. can do.
- the liquid medium used in the cell reaction test is not particularly limited as long as the cells are maintained in a living state, but the type of cells used and the cell stimulating substance contained in the test solution are not limited. What is necessary is just to select suitably according to a kind and other various conditions.
- liquid medium one that maintains the living condition of cells and does not contain cell stimulating substances is used.
- FCS fetal calf serum
- DMEM Dulbecco's Modified Eagle's Medium
- FHS fetal equine serum
- BS bovine serum
- human serum and the like.
- Remedium Mn in ima l Essential Medium: MEM
- Ham F12 medium F12 medium
- Mouth Suzuki Park Memorial Norain Institute 1640 medium Mouth Suzuki Park Memorial Norain Institute 1640 medium (Rose we 11 Park Memoria 1 Institute) 1640 medium: RPM1640
- WI SF — 101, UC Medium 102, UC Medium 199, ES, etc.
- the amount of the liquid medium supplied to the minute space when conditioning the cells may be various, such as the composition, concentration, type and amount of the cell used, shape and volume of the minute space, and the like. It may be set in accordance with the condition of, for example, 0.01 to 200 ⁇ 1 minute.
- the amount of the liquid medium supplied to the micro space may be various, such as its composition, concentration, type and amount of cells used, shape and volume of the micro space, and the like. It may be set according to the conditions.For example, when supplying DMEM liquid medium containing 10% FCS to 300 hepatocytes derived from rats, 0.005 to 500 ⁇ 1 / min, especially 0.02 to: L 00 1 / min is preferred.
- the test solution contains a cell stimulating substance at an appropriate concentration
- the cell stimulating substance is a substance that is appropriately selected based on various factors such as the purpose of the cell reaction test, for example, It is a substance that stimulates cells biochemically depending on the presence or absence of its contact, such as those that exert an effect on the active or living state of cells, those that induce cell growth, and stagnation. It can foster cell growth factors, cell growth factors, hormonal substances, drugs, toxic substances, enzymes, and so on.
- Cell stimulating substances include nutrients such as various amino acids and inorganic or organic nutrients such as vitamins.
- Cell growth factors or cell growth factors include hepatocyte growth factor (HGF ), Epidermal growth factor (EGF), fibroblast growth factor (FGF), nerve cell growth factor (NGF), colony stimulating factor (CSF), endothelial cell growth factor (ECGF), mitotic growth factor ( CDF), cartilage-derived cell growth factor (CDGF), macrophage-derived growth factor (MDGF), platelet-derived growth factor (PDGF), vascular endothelial growth factor (VED GF), transforming growth factor (Transforming Growth) F actors: TGF), interleukin 1, interleukin 2, interleukin 3, interleukin 10, transferrin And somatomedin A.
- hormonal substances include insulin, erythropoietin, conoreticoid, dexamethasone, conoreticosterone, glucagon, testosterone, nicotinamide, follicle-stimulating hormone, growth hormone, parathyroid hormone, and the like.
- serum include fetal bovine serum, fetal equine serum, sheep serum, rabbit serum, and human serum.
- Examples of the medicament include novel medical agents such as anticancer agents and anti-AIDS agents, and also include receptor-binding factors such as galactose and RGDS peptide.
- the types of cells subjected to the cell reaction test are not particularly limited, and specific examples thereof include liver-derived cell types such as hepatocytes, fibroblasts, and stellate cells, PP cells, Examples include cell types derived from the knee such as ⁇ cells, j3 cells (insulin secreting cells), ⁇ cells (glucagon secreting cells), neural stem cells, endothelial cells, fibroblasts, and bone cells. As such cells, for example, those derived from animal organs or organs can be preferably used.
- the amount of the test solution supplied to the minute space includes the type of the cell stimulating substance contained, the concentration of the cell stimulating substance, the supply amount of the liquid medium, the purpose, This is set according to the type of inspection to be performed.
- the combination of the type of liquid medium to be used, the type and concentration of the cell stimulating substance to be contained in the test solution, and the type of cells used for the cell reaction test are not particularly limited. It can be selected appropriately according to the purpose of the cell response test to be performed.For example, it is possible to select the type and concentration of the cell stimulating substance according to the type of cell used, It is also possible to select the type of cell according to the type and concentration of the substance. This makes it possible to evaluate, for example, the resistance of a specific cell to a test solution containing a specific cell stimulating substance, or the potency of a test solution containing a specific cell stimulating substance.
- the cell reaction testing device of the present invention by using the liquid processor device having the above configuration, it is possible to respond to the type of target cell reaction. Therefore, it is possible to easily execute various cell reaction test methods.
- the open / close state of the pulp is controlled to form a liquid processor as a microphone-mouth reactor in which a liquid flow path suitable for a target cell reaction is formed.
- a cell reaction test device By using it as a cell reaction test device, it is possible to set reaction conditions with a large degree of freedom, and in the end, the target cell reaction and cell reaction test can be performed easily and reliably. it can.
- the cells are maintained in a living state in a preferable mode by continuous supply of a liquid medium. Since the cell reaction in which various test solutions containing stimulants are supplied in a selected and appropriate mode can be easily performed, the cell reaction test is performed with various conditions set with a large degree of freedom. As a result, the evaluation of a specific cell or a specific test solution can be performed easily and reliably.
- the flow path used for adding the test solution can be easily executed by changing the open / close state of the pulp. is there.
- the cell reaction test device is configured as a microreactor, the cell reaction test can be performed on an extremely small scale, and thus the cell reaction can be performed in a short time. Inspection results can be obtained with high efficiency.
- FIG. 6 is an explanatory view showing another specific example of the liquid processor in the cell reaction test method of the present invention. That is, after the same type of cell is located in each of the microspaces X2 and X3, the device 10 controls the valve opening / closing state after conditioning the cell in an appropriate mode. As a result, as shown in FIG. 6, the valves H la, H 2 b, and V 2 B are closed, and the other valves are opened, and the other valves are opened. Is done.
- a first liquid culture medium supply path communicating from the opening VI i to the micro space X 2 through the flow path V 1 A, the micro space X 1 and the flow path H 1 b is provided.
- the liquid culture medium flows from the opening V 1 i and is supplied to the minute spaces X 2 and X 3, and the first test liquid flows from the opening V 2 i and minutely flows.
- a second test solution which is supplied to the space X2 and has a different cell stimulating substance from the first test solution, flows in from the opening H2i and is supplied to the minute space X3.
- the first test solution and the second test solution may contain the same cell stimulating substance at different concentrations.
- each of a plurality of micro space portions which are cell reaction sites, is formed by a plurality of liquid circulation paths formed by controlling the open / close state of a valve in the same cell reaction inspection device.
- a plurality of cell reactions in which a liquid medium is supplied from a common source and different test solutions are supplied via independent test solution supply paths can be simultaneously and easily performed.
- cell reaction tests that detect the reaction results of the same type of cells to different test solutions can be performed simultaneously for each cell under the reaction conditions set with great flexibility for various purposes. It can be performed in parallel, and after all, the evaluation of various test solutions and cells can be performed with high efficiency.
- the cell reaction inspection device is configured as a microreactor, the cell reaction inspection can be performed on an extremely small scale, so that the cell reaction can be performed in a short time. The result of the reaction test can be obtained with high efficiency.
- different types of cells are located in a plurality of microspaces, a specific test solution is supplied to each of them, and a cell reaction test is performed.
- FIG. 7 is an explanatory diagram showing another specific example of the liquid processor in the cell reaction test method of the present invention.
- the device 10 controls the open / close state of the pulp after conditioning the cells in an appropriate mode.
- the valves HIa, H2a, V2A, and V2C are closed, and the pulp other than these is set to the opened liquid processor.
- a first liquid culture medium supply path communicating from the opening VI i to the micro space X 2 via the flow path V 1 A, the micro space X 1 and the flow path H 1 b, A second liquid culture medium supply path that branches from the first liquid culture medium supply path in the minute space X1 and communicates with the minute space X3 via the flow path portion V1B, and an opening H2i force ⁇ flow Road area H 2 c, micro space X 4 and V 2 B via micro space
- a second test solution supply path a first liquid discharge path communicating from the minute space X2 to the opening HIo via the flow path portion HIc, and a flow path V1C from the minute space X3.
- a second liquid discharge path communicating with the opening VI 0 is formed, and a state where the flow of liquid is prohibited in the other flow path portions HIa, H2a, V2A, and V2C is realized. Has been done.
- a liquid medium flows in from the opening VIi and is supplied to the minute spaces X2 and X3, and a test solution flows in from the opening H2i and flows in the minute spaces X2 and X3.
- the cell reaction test is performed by discharging the liquid supplied from the micro space portion X2 or X3 to the outside through the first or second liquid discharge passage.
- a plurality of liquid flow paths formed by controlling the open / close state of a valve in the same cell reaction detection apparatus can be used for each of a plurality of minute spaces.
- a liquid medium is supplied from a common source, and a test solution is supplied from a common source.
- a plurality of cell reactions can be performed simultaneously, easily and easily. Even when detecting the reaction results for a specific test solution, perform multiple cell reaction tests for each cell, for which the reaction conditions are set with great freedom according to various purposes, simultaneously and in parallel As a result, the specific test solution or the heterogeneous cells can be evaluated easily and with high efficiency.
- the cell reaction test device is configured as a microreactor, the cell reaction test can be performed on an extremely small scale, and thus the cell reaction can be performed in a short time. Inspection results can be obtained with high efficiency.
- the first test solution is supplied to the cells located in the selected micro space, then the supply of the first test solution is stopped, and the first test solution is supplied.
- the second test liquid is supplied through a supply path different from the supply path of the test liquid, and the cell reaction test is executed.
- FIG. 8 is an explanatory view showing another specific example of the liquid processor in the cell reaction test method of the present invention.
- FIG. 9 shows a specific example in which the open / close state of the valve is controlled and switched in the liquid processor shown in FIG. FIG.
- the open / close state of the pulp is not controlled. As shown, the valves Hlb, H2c, V1B, V1C and V2C are closed and the other pallets are the first fluid processor in the open state.
- the opening H2i passes through the flow path portion H2a, the micro space X3, the flow path H2b, the micro space X4, and the micro space X through the flow path V 2B.
- liquid discharge passage communicating with the opening HI0 is formed through the portion HIc, and the flow of the liquid in each of the other flow passage portions HIa, Hlb, H2c, VIA, VIB, VIC, and V2C is formed.
- a prohibited state has been achieved.
- the liquid medium flows from the opening H 2 i and is supplied to the minute space X 2
- the first test liquid flows from the opening V 2 i and is supplied to the minute space X 2
- the first test process is executed by discharging the liquid from the minute space portion X2 to the outside via the liquid discharge path.
- the open / close state of the pulp is controlled and switched so that the valves HIa, H2c, V1B, V1C, and V2A, as shown in FIG. And V 2 C are closed, and the other valves are used as the second liquid outlet ports opened.
- the liquid medium supply path communicates with the minute space portion X2 from the opening VIi through the passage portion V1A, the minute space portion X1, and the passage portion H1b. Forming a second test liquid supply path and the liquid discharge path; In each of the other flow path portions HIa, H2c, VIB, VIC, V2A, and V2C, a state in which the flow of liquid is prohibited is realized.
- the liquid culture medium flows from the opening H 2 i and is supplied to the minute space X 2
- the second test liquid flows from the opening VI i and flows into the minute space X 2
- the second test process is performed by supplying the liquid and discharging the liquid from the minute space portion X2 to the outside via the liquid discharge path, whereby the cell reaction detection is performed.
- the first and second test solutions are mutually different test solutions, for example, those containing different types of cell stimulating substances or containing the same cell stimulating substance at different concentrations. What should be done.
- test solutions are sequentially applied to a single cell by an appropriate liquid flow path formed by controlling the open / close state of a valve in the same cell reaction test apparatus. Since the supplied cell reaction can be easily performed, even when detecting the sequential reaction results for different test liquids in the cell, the cell has a large degree of freedom and reaction conditions for various purposes. Cell reaction detection involving a plurality of test treatments for different test liquids for which different test liquids have been set can be continuously performed, and as a result, the evaluation of the different test liquids or cells can be performed with high efficiency and easily. , It can be carried out.
- the cell reaction inspection device is configured as a microreactor, the cell reaction inspection can be performed on an extremely small scale, so that the cell reaction can be performed in a short time. The result of the reaction test can be obtained with high efficiency.
- a cell is located in a plurality of microspaces, and a cell reaction result produced by a cell reaction in a first cell is supplied to a second cell, and a cell reaction test is performed. .
- FIG. 10 is an explanatory diagram showing a specific example of a liquid processor in such a cell reaction inspection method.
- the device 10 is operated by a valve. Fig. 1
- a first liquid culture medium supply path communicating from the opening VI i to the micro space X 2 through the flow path V 1 A, the micro space X 1 and the flow path H 1 b is provided.
- the first test liquid supply path communicating with the minute space X3 via the flow path portion H2a, the flow path portion H2b, the minute space portion X4, and the flow path from the minute space portion X3
- a second test liquid supply path communicating with the minute space X2 via the portion V2B and a liquid discharge passage communicating with the opening HIo from the minute space X2 via the flow path portion HIc are formed.
- the liquid culture medium flows in from the opening VIi and is supplied to the minute spaces X2 and X3, and the test liquid flows in from the opening H2i and is supplied to the minute space X3.
- a cell reaction product of the first cell of the microspace X 3 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ , ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- the cell reaction test is executed by discharging the liquid from the minute space portion X 2 to the outside through the liquid discharge path.
- a plurality of liquid flow paths formed by controlling the open / close state of the pulp in the same cell reaction inspection apparatus can be used for each of the plurality of minute spaces.
- the liquid medium is supplied from a common source, and the liquid from one micro space where the first cell to which the test liquid is supplied is located is supplied to the other micro space.
- the cell reaction inspection device is configured as a microreactor, the cell reaction inspection can be performed on an extremely small scale, so that the cell reaction can be performed in a short time. The result of the reaction test can be obtained with high efficiency.
- the configuration of the cell reaction inspection device used for performing the above-described cell reaction inspection method is not limited to the above-described embodiment, and various modifications can be made.
- a cell reaction inspection device can be constituted by a liquid processor complex in which a plurality of liquid processors are combined.
- the liquid processor complex includes a plurality of liquid processors arranged in a plane. Or can be constructed by stacking and arranging each other.
- the horizontal microchannels and the vertical microchannels are formed on the base material constituting the liquid processor depiice, it is not essential that the number thereof is 2, and even if it is 3 or more. Also, it is not essential that the number of horizontal microchannels is equal to the number of vertical microchannels. Furthermore, it is not essential that the crossing angle between the horizontal minute flow path and the vertical minute flow path is 90 degrees, and the crossing angle may be an acute angle or an obtuse angle and communicate with the minute space.
- the liquid processor device has a magnetizable film provided on the entire back surface of the substrate. According to such a configuration, the open / close state of the pulp can be reliably controlled.
- the pump / bubble may be any as long as it has a function of blocking the flow of liquid in the above-mentioned microchannel in the operating state or the non-operating state, and the specific configuration is limited.
- a valve ball having a charge and a valve control mechanism for moving the valve ball by the action of an electric field can be used.
- a heating means and other auxiliary means can be provided in a specific one of the flow path parts constituting the liquid flow path.
- the liquid processor depiice should be executed by selectively controlling the open / close state of a valve related to a microchannel constituting a microchannel network.
- the liquid circulation route to the cell reaction site which is required according to the type of the cell reaction test, can be set with a large degree of freedom. Therefore, it is possible to set the reaction conditions in the cell reaction test with a large degree of freedom, and as a result, the target cell reaction and the cell reaction test can be executed easily and reliably.
- reaction conditions are set with a high degree of freedom for living cells located in the selected minute space. Therefore, the desired reaction to the cell can be easily performed under various different conditions, and the result of the reaction can be detected with high efficiency. Therefore, it is possible to perform a cell reaction test by supplying various cell stimulating substances to a plurality of cells under the same conditions.
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- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Physics & Mathematics (AREA)
- Pathology (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03792772A EP1544287A4 (en) | 2002-08-23 | 2003-08-21 | DEVICE AND METHOD FOR EXAMINING A CELLULAR REACTION |
US10/524,663 US20060166184A1 (en) | 2002-08-23 | 2003-08-21 | Apparatus for cell reaction examination and method of cell reaction examination |
AU2003257650A AU2003257650A1 (en) | 2002-08-23 | 2003-08-21 | Apparatus for cell reaction examination and method of cell reaction examination |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002-242932 | 2002-08-23 | ||
JP2002242932A JP2004081019A (ja) | 2002-08-23 | 2002-08-23 | 細胞反応検査用装置および細胞反応検査方法 |
Publications (1)
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WO2004018614A1 true WO2004018614A1 (ja) | 2004-03-04 |
Family
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PCT/JP2003/010574 WO2004018614A1 (ja) | 2002-08-23 | 2003-08-21 | 細胞反応検査用装置および細胞反応検査方法 |
Country Status (5)
Country | Link |
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US (1) | US20060166184A1 (ja) |
EP (1) | EP1544287A4 (ja) |
JP (1) | JP2004081019A (ja) |
AU (1) | AU2003257650A1 (ja) |
WO (1) | WO2004018614A1 (ja) |
Cited By (1)
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WO2006088120A1 (ja) | 2005-02-21 | 2006-08-24 | National University Corporation Okayama University | 流動調整装置、マイクロリアクター及びそれらの用途 |
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JP2004294319A (ja) * | 2003-03-27 | 2004-10-21 | Jsr Corp | 流体プロセッサー |
US20120077206A1 (en) | 2003-07-12 | 2012-03-29 | Accelr8 Technology Corporation | Rapid Microbial Detection and Antimicrobial Susceptibility Testing |
CA2532414C (en) | 2003-07-12 | 2017-03-14 | Accelr8 Technology Corporation | Sensitive and rapid biodetection |
EP1831692B1 (en) * | 2004-12-16 | 2017-03-15 | Accelerate Diagnostics, Inc. | Rapid microbial detection and antimicrobial susceptibility testing |
DE102007036611B4 (de) * | 2007-08-02 | 2015-10-08 | Deutsche Diabetes-Forschungsgesellschaft E.V. | Verfahren und Vorrichtung zur Kultivierung lebender Zellen |
JP4722977B2 (ja) * | 2008-08-27 | 2011-07-13 | シャープ株式会社 | 検出器具、分析装置、検出方法および検出器具の制御方法 |
JP5229820B2 (ja) * | 2009-06-08 | 2013-07-03 | ブラザー工業株式会社 | 細胞反応観察装置 |
US9053352B2 (en) * | 2010-11-12 | 2015-06-09 | Abbvie Inc. | High throughput, optical method and system for determining the effect of a test substance on non-contiguous living cells |
EP2683831B1 (en) | 2011-03-07 | 2015-09-23 | Accelerate Diagnostics, Inc. | Rapid cell purification systems |
US10254204B2 (en) | 2011-03-07 | 2019-04-09 | Accelerate Diagnostics, Inc. | Membrane-assisted purification |
CN104011541B (zh) | 2011-09-13 | 2016-08-24 | 国立大学法人大阪大学 | 细菌或真菌的抗菌药物敏感性的检查方法及其中使用的系统 |
WO2013036997A1 (en) * | 2011-09-14 | 2013-03-21 | The University Of Queensland | Substance exposure apparatus |
US9677109B2 (en) | 2013-03-15 | 2017-06-13 | Accelerate Diagnostics, Inc. | Rapid determination of microbial growth and antimicrobial susceptibility |
US10023895B2 (en) | 2015-03-30 | 2018-07-17 | Accelerate Diagnostics, Inc. | Instrument and system for rapid microogranism identification and antimicrobial agent susceptibility testing |
US10253355B2 (en) | 2015-03-30 | 2019-04-09 | Accelerate Diagnostics, Inc. | Instrument and system for rapid microorganism identification and antimicrobial agent susceptibility testing |
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- 2003-08-21 AU AU2003257650A patent/AU2003257650A1/en not_active Abandoned
- 2003-08-21 US US10/524,663 patent/US20060166184A1/en not_active Abandoned
- 2003-08-21 EP EP03792772A patent/EP1544287A4/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
EP1544287A4 (en) | 2010-12-08 |
AU2003257650A1 (en) | 2004-03-11 |
US20060166184A1 (en) | 2006-07-27 |
EP1544287A1 (en) | 2005-06-22 |
JP2004081019A (ja) | 2004-03-18 |
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