WO2017187696A1 - 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 - Google Patents
神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 Download PDFInfo
- Publication number
- WO2017187696A1 WO2017187696A1 PCT/JP2017/003653 JP2017003653W WO2017187696A1 WO 2017187696 A1 WO2017187696 A1 WO 2017187696A1 JP 2017003653 W JP2017003653 W JP 2017003653W WO 2017187696 A1 WO2017187696 A1 WO 2017187696A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axon
- chamber
- cell
- cell body
- bundle
- Prior art date
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/08—Bioreactors or fermenters specially adapted for specific uses for producing artificial tissue or for ex-vivo cultivation of tissue
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/12—Well or multiwell plates
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/16—Microfluidic devices; Capillary tubes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
-
- 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
- C12M23/44—Multiple separable units; Modules
-
- 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
- C12M23/58—Reaction vessels connected in series or in parallel
-
- 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
-
- 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
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
- C12M35/08—Chemical, biochemical or biological means, e.g. plasma jet, co-culture
-
- 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
- C12M37/04—Seals
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0618—Cells of the nervous system
- C12N5/0619—Neurons
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0658—Skeletal muscle cells, e.g. myocytes, myotubes, myoblasts
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0697—Artificial constructs associating cells of different lineages, e.g. tissue equivalents
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
Definitions
- the present disclosure relates to a device for culturing nerve cells, a method for culturing nerve cells, a method for analyzing and identifying cultured nerve cells, proteins in axon bundles, and a method for using nerve cells.
- Non-Patent Document 1 and Patent Document 1 are microfluidic platforms with multiple compartments that can grow and separate axons.
- One of the advantages of the present disclosure is that it can provide a device for culturing neurons that rapidly grows axon bundles extending from neurons in vitro.
- the device is a device for culturing a nerve cell having an axon, comprising a culture plate and a plurality of modules arranged in the culture plate, each module comprising a cell body of a nerve cell.
- a channel capable of receiving at least one first chamber, at least one second chamber, and an axon bundle extending from a cell body, the channel connecting the first chamber and the second chamber;
- a module including at least one of the first chamber, the lower ends of the first chamber, the second chamber, and the channel are closed, and the upper ends of the first chamber and the second chamber are opened.
- a culture solution is further placed in the first chamber, the second chamber, and the channel, and the upper end of the second chamber is closed by at least one sealing member.
- the second chamber can receive skeletal muscle, whereby the axon bundle extending from the cell body is joined to the skeletal muscle.
- the channel has a width of 100 to 150 [ ⁇ m] and a height of 100 to 200 [ ⁇ m].
- a method for culturing a nerve cell having an axon comprising: at least one of a first chamber, at least one of a second chamber, and a channel connecting the first chamber and the second chamber. Supplying a culture solution to at least one, wherein the first chamber, the second chamber and the channel are included in at least one of the modules disposed in the culture plate; and in the first chamber Seeding the nerve cells with each other, and culturing the nerve cells, whereby an axon bundle grows and extends through each channel.
- skeletal muscle is further seeded in at least one of the second chambers, whereby the axon bundle extending from the nerve cell is joined to the skeletal muscle.
- a nerve cell is a plurality of nerve cells cultured by seeding in a culture solution, and includes a cell body and at least one axon bundle extending from the cell body in a predetermined direction.
- the cell body, axon bundle and axon end are further spatially separated.
- the nerve cells are spheroid-like, and the axon bundle can be extended.
- the axon bundle is joined to skeletal muscle.
- a method for analyzing and identifying a protein in an axon bundle comprising culturing a nerve cell so that at least one of the axon bundle grows and extends from the cell body of the nerve cell, and Western blotting And confirming that the marker indicating the presence of the cell body is negative in the axon bundle.
- the markers are map 2 (Map2) and nucleoporin.
- a method for analyzing and identifying a protein in an axon bundle comprising culturing the nerve cell such that at least one of the axon bundle grows and extends from the cell body of the nerve cell; Slicing the axon bundle, and analyzing and identifying a protein present in the axon bundle.
- axon bundles extending from nerve cells can be rapidly grown in vitro.
- FIG. 1 is a schematic diagram showing a background in the present embodiment
- FIG. 2 is a diagram showing a concept in the present embodiment
- 2A is a schematic diagram of nerve cells
- FIG. 2B is a diagram showing the results of conventional culture
- FIG. 2C is a diagram showing the concept of the present embodiment.
- This embodiment proposes a new process for culturing nerve cells equipped with axons, a new apparatus suitable for culture, and a cluster of nerve cells equipped with cultured axon bundles.
- a neuron includes a cell body (cell body) and an axon (axon terminal ⁇ ) having an axon end (axon).
- motoneuron axons are bundled, and axon ends are joined to cells of a plurality of skeletal muscles. Therefore, as shown in FIG.
- cells having axons in bundles with the cell bodies, axons, and axon ends spatially separated from each other by in-vitro culture It is desirable to produce a dense body, ie, a spheroid of the cell body.
- a dense body ie, a spheroid of the cell body.
- FIG. 2B only cell bodies with axons in a random state in which cell bodies and axons are spatially mixed can be provided.
- FIG. 3 is a view showing a culture plate in the present embodiment
- FIG. 4 is a view showing a culture module in the culture plate in the present embodiment
- FIG. 5 is a view showing a culture module having a seal in the present embodiment. is there. 3, (a) is a plan view, (b) is an enlarged side sectional view of the culture module in (a), FIG. 4 (a) is a photograph of the culture plate, and (b) is a culture module.
- FIG. 5 is a schematic plan view of the culture module.
- FIG. 5A is a schematic side cross-sectional view of the culture module with a seal
- FIG. 5B is a seal.
- FIG. 4 is a schematic side cross-sectional view of a culture module that does not include a seal.
- the culture plate 10 is used. As shown in FIGS. 3 (a) and 4 (a), the culture plate 10 is a rectangular plate-like member, and includes a plurality of modules 11 arranged side by side in the row direction and the column direction.
- the culture plate 10 includes a substrate 15 made of a cover slip, which is a transparent glass plate, and an upper plate 16 attached to the surface of the substrate 15. A plurality of modules 11 are formed on the upper plate 16. As shown in FIGS.
- each module 11 has a dumbbell-like shape in plan view, and has a U-shaped cross-sectional shape as a whole, and includes a first chamber 12a, A two-chamber 12b and a channel 13 connecting the bottoms of the first and second chambers 12a and 12b are included.
- the upper plate 16 may be a PDMS poly (poly-dimethyl-siloxane) sheet, and can be produced using a known photolithography technique (see, for example, Non-Patent Document 1 and Patent Document 1).
- the upper plate 16 may be a plate-like member made of another polymer such as Pyrex (registered trademark) or glass, for example, and is formed using a method such as hot embossing or drilling. It may be.
- Each of the first and second chambers 12a and 12b is a cylindrical recess, and is formed as a well-like depression whose bottom is closed by the substrate 15 and whose top is open.
- One end of the channel 13 opens at the lower end of the side wall of the first chamber 12a, and the other end opens at the lower end of the side wall of the second chamber 12b.
- the width of the channel 13 is preferably 100 to 150 [ ⁇ m], and the height thereof is preferably 100 to 200 [ ⁇ m], but these dimensions are not limited to such numerical values, It can be adjusted as needed.
- the first and second chambers 12 a and 12 b and the channel 13 are filled with the culture solution 18. Since the module 11 has a simple configuration, the culture solution 18 can smoothly flow into the module 11.
- the culture solution 18 in the first and second chambers 12a and 12b is natural. Can be mixed.
- the planar shape of each of the first and second chambers 12a and 12b is preferably circular as shown in FIG. 4 (e), but is not limited to a circular shape and is changed as necessary. be able to.
- the planar shape of the first chamber 12a is perfect.
- the second chamber 12b is deformed rather than circular, but the planar shape of the second chamber 12b is almost completely circular because the inlet portion 13a of the channel 13 is linear.
- the entrance portion 13 a has a tapered planar shape, the axon is effectively guided into the channel 13. Even if the inlet portion 13 a has a linear shape, the axons can form a bundle in the channel 13.
- a cell body of a nerve cell is placed, that is, seeded.
- the chamber in which the cell body is seeded either the first chamber 12a or the second chamber 12b can be selected. However, in the present embodiment, for convenience, the cell body is seeded in the first chamber 12a.
- a plurality of nerve cell bodies are seeded separately, that is, in a dissociated cell state.
- a plurality of nerve cell bodies are seeded densely, that is, in a spheroid state. Then, after culturing for a while, nerve cell axons extend in the channel 13 to the second chamber 12b and form bundles in the channel 13.
- the inner diameter of the channel 13 is preferably large enough to accommodate the axon bundle of nerve cells.
- a seal member 17 is placed on the second chamber 12b in order to close the open end of the second chamber 12b in which the nerve cell body is not seeded. It is desirable to place it.
- the seal member 17 is preferably made of a PCR (Polymerase Chain Reaction) sealing plate or sealing film, but is not necessarily limited to this, and any material suitable for sealing can be used. It may consist of.
- FIGS. 5C and 5D when the open end of the second chamber 12b is closed by the seal member 17, the culture solution is prevented from flowing into the second chamber 12b. It becomes easy to seed and keep the cell body in the first chamber 12a. As shown in FIG.
- the neuronal cell body placed in the first chamber 12a is moved into the second chamber 12b together with the culture solution. It tends to flow in. If the neuronal cell body is seeded in the first chamber 12a in a spheroid state, the spheroid of the cell body is too large to flow in the channel 13, and thus the seal member 17 can be omitted.
- FIG. 6 is a photograph showing axons grown in the channel of the culture plate in the present embodiment
- FIG. 6A is another photograph showing axons grown in the channel of the culture plate in the present embodiment
- FIG. 7 is a book. It is a photograph which shows the axon extracted from the culture plate in embodiment.
- (a) is a photograph of a part of the culture plate
- (b) is a photograph of one axon of the modules shown in (a)
- (a) is an axon.
- (b) is a photograph showing an example of an axon length of 9 [mm]
- (b) is a fluorescence photograph of the cell nucleus (using the marker Hoechst)
- (c) is a fluorescence photograph of the whole nerve (using the marker Tuj 1).
- motor neurons derived from human iPS cells (409B2 cell line) were used. Spheroids of cell bodies of motor neurons were seeded and cultured in the first chamber 12a. Motor neurons were obtained from human iPS cells using well plates or dishes. And the spheroid of the cell body was obtained using the non-adhesive culture plate. The culture was performed in an environment of 37 [° C.], O 2 : 20 [%], and CO 2 : 5 [%]. Then, as shown in FIG. 6, an axon grew in the channel 13 and extended to the second chamber 12b. After the culture, a collection of motor neurons was extracted from the module 11 of the culture plate 10, that is, taken out.
- the aggregate of motor neurons extracted from the module 11 includes a large axon bundle extending from the aggregate of cell bodies, as shown in FIG.
- FIG. 7 (b) cell nuclei present in the cell body and stained with the marker Hoechst were observed in the assembly of motor neurons.
- FIG. 7C an aggregate of motor neurons stained with Tuj 1 as a marker was observed.
- Tuj 1 as a marker was observed.
- axon bundles extend from the assembly of cell bodies.
- axon bundles of various sizes can be obtained by changing the length and inner diameter of the channel 13. For example, in the example shown in FIG. 6A (a), the length of the axon is 4.5 [mm], and in the example shown in FIG.
- the length of the axon is 9 [mm]. is there.
- the length of the axon is preferably 1 [mm] or more.
- the width of the axon bundle can be set to 100 [ ⁇ m], for example. In this case, when observed with a TEM image of the cross section of the axon bundle as shown in FIG.
- axon bundles can be obtained by culturing in each module 11 of the culture plate 10. Therefore, by applying a drug to the axon bundle in each module 11, drug screening can be performed quickly. Furthermore, since the axon bundle is separated from the cell body in each module 11, it is possible to screen a drug effective for neurological diseases by accurately applying the drug to the axon bundle in each module 11. In addition, it is possible to confirm in which part of the axon bundle, for example, the distal end or the proximal end, the drug is effective.
- FIG. 8 is a diagram showing an experiment for joining axons of motor neurons derived from the 409B2 cell line in this embodiment and skeletal muscles of laboratory mice
- FIG. 9 shows motor nerves derived from the 409B2 cell line in this embodiment
- FIG. 10 is a diagram showing a long-term experiment for joining cell axons and skeletal muscles of laboratory mice.
- FIG. 10 shows motor neuron axons derived from the 409B2 cell line and skeletal muscles derived from the C2C12 cell line in this embodiment. It is a figure which shows the experiment which joins.
- FIG. 10 is an enlarged photograph of an axon when there is a myotube, and in FIG. 10, (a) is a schematic plan view of the module, and (b) is an enlarged photograph of a joint portion.
- motor neurons derived from human iPS cells (409B2 cell line) were used as nerve cells, and myotubes of laboratory mice (shown in FIG. 8 (a)) were used as skeletal muscles. Motor neurons and cell body spheroids were obtained in the same manner as described above. Moreover, those culture
- FIGS. 8 (c) and (d) show the inside of the channel 13 after 28 days in culture when the myotube is not seeded in the second chamber 12b and when the myotube is seeded in the second chamber 12b, respectively. Shows the growth state of axons.
- a longer period (43 days) than in the first experiment (28 days) but as shown in FIGS. 9 (a) and (b), the same as the first experiment.
- Module 11 and similar motor neurons and myotubes were used in the same manner and co-cultured. It was found that when the myotube is not seeded in the second chamber 12b, the morphology of the axon bundle is degenerated.
- FIGS. 8 (c) and (d) show the inside of the channel 13 after 28 days in culture when the myotube is not seeded in the second chamber 12b and when the myotube is seeded in the second chamber 12b, respectively. Shows the growth state of axons.
- motor neurons derived from human iPS cells (409B2 cell line) were used as nerve cells, and striated muscles derived from mouse myoblasts (C2C12 cell line) were used as skeletal muscles.
- FIG. 10A nerve cells were seeded in the first chamber 12a, skeletal muscle was seeded in the second chamber 12b, and nerve cells and skeletal muscle were co-cultured.
- the part where the axon and skeletal muscle were joined was stained with ⁇ -Bungarotoxin, and the axon was stained with Tuj 1.
- FIG. 10 (b) the junction between the axon and the skeletal muscle was observed.
- the end of the axon can be joined to the skeletal muscle in the second chamber 12b away from the first chamber 12a where the cell body exists.
- this embodiment can provide a situation similar to that in the body. Therefore, a drug effective for a neurological disease can be screened by accurately applying the drug to the junction between the axon bundle and the skeletal muscle in each module 11.
- FIG. 11 is a photograph of the axon bundle used for protein observation in the present embodiment.
- (a) is a photograph of a spheroid of a cell body having an axon bundle extracted outside the culture plate, and (b) is an axon (marker Tau 1 in the spheroid shown in (a)).
- (C) is a fluorescence photograph of the cell nucleus in the spheroid shown in (b) (using the marker Hoechst),
- (d) is in the axon bundle slice shown in (a)
- (E) is a fluorescent photograph showing the absence of cell nuclei in the axon bundle slices.
- motor neurons derived from human iPS cells (409B2 cell line) were used. Spheroids of cell bodies of motor neurons were seeded and cultured in the first chamber 12a. Motor neurons and cell body spheroids were obtained in the same manner as described above. Moreover, those culture
- spheroids of cell bodies integrated with axon bundles can be taken out from each module 11 of the culture plate 10. Therefore, by slicing the axon bundle and observing the protein inside it, it is possible to analyze and identify the protein present in the axon bundle, and to perform screening and identification of neurological diseases, Furthermore, screening for drugs effective for neurological diseases can be performed.
- the conventional method of culturing motor nerves it is not possible to obtain a cell tissue in which the assembly of cell bodies and axon bundles are integrated. It was difficult to observe the inside of each.
- FIG. 12 is a photograph of the axon bundle used for extension in the present embodiment.
- (a) is a photograph of a spheroid provided with an axon bundle before extension outside the culture plate
- (b) is a photograph of a spheroid provided with an axon bundle after extension outside the culture plate.
- motor neurons derived from human iPS cells (409B2 cell line) were used. Spheroids of cell bodies of motor neurons were seeded and cultured in the first chamber 12a. Motor neurons and cell body spheroids were obtained in the same manner as described above. Moreover, those culture
- the axon bundle is extended to a length of 6.4 mm as shown in FIG. It was. It was confirmed that the axon bundle has extensibility as much as twice.
- the axon bundle integrated with the spheroid of the cell body can be extracted from each module 11 of the culture plate 10, that is, taken out.
- the axon bundle can then be mechanically extended, as confirmed in the previous experiment. Therefore, the axon bundle of motor nerve cells can be transplanted by culturing in advance a desired type of motor nerve cells integrated with the axon bundle. Since it was difficult to test and evaluate the physical characteristics of axon bundles in the body, this embodiment can obtain axon bundles on the millimeter scale and higher, such as extension of axon bundles. Various experiments can be performed.
- FIG. 13 is a photograph of the motor nerve cell used for calcium imaging in the present embodiment.
- (a) is a photograph of a spheroid provided with axon bundles before calcium addition outside the culture plate
- (b) is a photograph of a spheroid provided with axon bundles after calcium addition outside the culture plate. .
- motor neurons derived from human iPS cells (409B2 cell line) were used. Spheroids of cell bodies of motor neurons were seeded and cultured in the first chamber 12a. Motor neurons and cell body spheroids were obtained in the same manner as described above. Moreover, those culture
- motor neurons including spheroids of cell bodies and axon bundles can be taken out from each module 11 of the culture plate 10. And, as confirmed in the previous experiment, motor neurons can be used for calcium imaging. Therefore, it was difficult to evaluate the electrophysiological activity on axon bundles in vitro, and given to the cell body by pre-culturing the desired type of motor nerve cells integrated with axon bundles It is possible to observe how the stimulus is transmitted through the axon, and it can be applied to the development of nerve prosthesis technology.
- FIG. 14 is a schematic diagram showing various examples of the culture module in the present embodiment.
- (a) to (g) are diagrams showing different types of arrangement of chambers and channels, respectively.
- the arrangement of the chambers 12a and 12b and the channel 13 in the module 11 is not necessarily limited to the one including a pair of chambers 12a and 12b connected by the channel 13, as shown in FIGS. It is not something.
- the module 11 includes two first chambers 12a, one second chamber 12b, each of which is seeded with a cell body spheroid, and each of the first chambers 12a. It includes two channels 13 that connect one and the second chamber 12b.
- the module 11 includes one first chamber 12a in which cell body spheroids are seeded, two second chambers 12b, and each of the first chamber 12a and the second chamber 12b.
- the module 11 includes two channels 13 that connect one of the chambers 12b.
- the module 11 includes two first chambers 12a, one second chamber 12b, and two first chambers 12a, each of which is seeded with a spheroid of a cell body.
- One channel 13 branched into two in the middle so as to be connected to the second chamber 12b is included.
- the module 11 includes one first chamber 12a in which cell body spheroids are seeded, two second chambers 12b, a first chamber 12a, and two second chambers. It includes one channel 13 branched into two on the way so as to connect the chamber 12b.
- FIG. 14 (c) the module 11 includes two first chambers 12a, one second chamber 12b, and two first chambers 12a, each of which is seeded with a spheroid of a cell body.
- One channel 13 branched into two in the middle so as to be connected to the second chamber 12b is included.
- the module 11 includes one first chamber 12a in which cell
- the module 11 includes one first chamber 12a in which cell body spheroids are seeded, four second chambers 12b, and each of the first chamber 12a and the second chamber 12b. It includes four channels 13 that connect one of the chambers 12b.
- the axon grows in the channel 13 and extends toward the second chamber 12b.
- the skeletal muscle is seeded in the second chamber 12b, the distal end of the axon and the skeletal muscle are joined in the second chamber 12b.
- the cell body spheroids can be applied to the central nerve model by seeding both the first chamber 12 a and the second chamber 12 b.
- spheroids of cell bodies of lower motor neurons are seeded in the first chamber 12a, and spheroids of cell bodies of upper motor neurons are seeded in the second chamber 12b.
- FIG. 15 is a diagram showing a process of separating the axon from the cell body in the present embodiment.
- each of (a-1) to (a-5) is a photograph showing the upper side of the module
- each of (b-1) to (b-5) is (a-1) to (a-5). It is a schematic cross-sectional view of the module corresponding to each.
- the motor nerve cells including the cell body and the axon bundle can be extracted as a whole, but also the axon bundle is converted into the cell body in the module 11. They can be separated and extracted separately.
- the cell body of motor neurons is seeded and cultured in the first chamber 12a of the module 11, whereby the axon bundle is Grows and extends through the channel 13 from the first chamber 12a to the second chamber 12b.
- the axon bundle is separated from the cell body by the cutter 21 as shown in FIGS.
- the cutter 21 can smoothly cut the axon bundle together with the upper plate 16.
- the cell body is taken out from the first chamber 12a by picking up using the pipette 22, that is, picked up.
- the remaining axon bundles are transferred to the channel 13 along with the flow of the culture medium 18 generated by spraying using the pipette 22.
- the axon bundle is taken out from the second chamber 12b by picking up using the pipette 22, that is, picked up.
- the axon bundle can be separated from the cell body in the module 11 and only the axon bundle can be extracted. Thereby, analysis of protein and RNA existing only in the axon bundle can be performed. Such analysis is an important process for analyzing neurological diseases.
- ALS amyotrophic lateral sclerosis
- FIG. 16 is a schematic diagram showing the cause of ALS
- FIG. 17 is a photograph showing the result of the stress test in the present embodiment
- FIG. 17A is a diagram showing the orientation evaluation result of the stress test in the present embodiment
- FIG. 18 is a photograph showing the results of co-culture with glial cells in the present embodiment
- FIG. 19 is a photograph of axon bundles extending from spheroids in the cell body with and without glial cells in the present embodiment.
- . 17A is a photograph of an axon bundle when there is no stress
- FIG. 17B is a photograph of an axon bundle when there is ER stress
- FIG. 18A is a photograph of glial cells.
- a photograph of a spheroid of a cell body at a certain time is a photograph of a spheroid of a cell body when there are no glial cells
- (b) is a photograph of a spheroid of a cell body when there are no glial cells
- FIG. 19 is a photograph of a spheroid of an axon bundle when there are glial cells.
- (B) are photographs of spheroids of axon bundles when there are no glial cells.
- ALS diseases include hyperglutamate (toxicityexof glutamate), hyperexcitability, glial toxicity (mitochondria dysfunction), axon transport disorder (disruption of axonal transport). ), Physical damage, oxidative stress, endoplasmic reticulum stress, inclusion body formation, and the like. If even one of these causes can be reproduced artificially, it will lead to the discovery of a drug effective for ALS. In order to reproduce these causes, the inventor conducted several experiments using the culture plate 10 according to the present embodiment.
- a first experiment was conducted to confirm the effect of ER stress on motor nerves using thapsigargin.
- motor neurons derived from human iPS cells (409B2 cell line) were used.
- Motor cell spheroids were seeded in the first chamber 12a and cultured.
- Motor neurons and cell body spheroids were obtained in the same manner as described above.
- the culture was performed in the same manner as described above. After culturing, motor neurons having sufficiently grown and extended axon bundles were treated with a culture solution containing 1.5 [mol] thapsigargin for 5 hours. Then, after 6 days, the evaluation of the morphology of the axon bundle as shown in FIG.
- FIG. 17 (b) was performed, and the morphology of the axon bundle of the motor nerve cell that was not treated with thapsigargin as shown in FIG. 17 (a). Compared to and went. Moreover, as shown in FIG. 17A, the orientation of axons was evaluated. When stress is applied, the orientation becomes low, that is, the axon is denatured. It was confirmed that morphological changes were observed in motor nerves subjected to ER stress.
- FIG. 18 (a) shows motor neurons mixed with glial cells
- FIG. 18 (b) shows motor neurons without mixed glial cells.
- GFAP is a marker for identifying glial cells
- the glial cells were uniformly distributed in the spheroid of the cell body. Furthermore, after 10 days of culturing, even when the glial cells are mixed with the motor neurons as shown in FIG. 19 (a), the glial cells are added to the motor neurons as shown in FIG. 19 (b). Similar to the unmixed case, the axon bundle grew and extended into the channel 13 from the spheroid of the cell body.
- the co-culture system with glial cells can be used for drug screening for reproduction of neurodegeneration due to glial toxicity and development of drugs effective for ALS. Application can be expected.
- FIG. 20 is a diagram showing a result of observing axon bundles grown in the channels of the culture plate in the present embodiment
- FIG. 20A is a nerve cell including axon bundles grown in the channels of the culture plate in the present embodiment.
- FIG. 20B is another photograph showing a cross section of a nerve cell including an axon bundle grown in the channel of the culture plate in the present embodiment.
- FIG. 20A is a diagram showing the results.
- (a-1) and (a-2) are photographs showing cross sections of cell bodies stained with various markers, and (b-1) and (b-2), respectively.
- FIG. 20 is a photograph showing cross sections of axon bundles corresponding to (a-1) and (a-2).
- FIG. 20A is a diagram showing the results.
- (a-1) and (a-2) are photographs showing cross sections of cell bodies stained with various markers, and (b-1) and (b-2), respectively.
- FIG. 20 is a photograph showing cross sections of axon bundles corresponding to (a-1) and (a-2).
- each of (a-1) to (a-3) is stained with various markers.
- (B-1) to (b-3) are photographs showing the cross-sections of the cell bodies, respectively,
- (a-1) to (a-3) Is a photograph showing a cross-section of the response to axon bundle.
- motor neurons derived from human iPS cells (409B2 cell line) were used. Spheroids of cell bodies of motor neurons were seeded and cultured in the first chamber 12a. Motor neurons and cell body spheroids were obtained in the same manner as described above. Moreover, those culture
- 20 (a-1) to (a-3) are cross sections of cell bodies stained with Hoechst and Tau 1, cross sections of cell bodies stained with Hoechst, Tau 1 and Synapsin 1, Hoechst, Map 2 and Synapsin, respectively.
- 20 (b-1) to (b-3) are axons stained so as to correspond to FIGS. 20 (a-1) to (a-3), respectively. It is a cross section of a bundle.
- 20A (a-1) and (a-2) are a cross section of a cell body stained with Tau 1 and a cross section of a cell body stained with Hoechst and Tau 1, respectively
- FIG. 20A (b-1) And (b-2) are cross sections of axon bundles dyed so as to correspond to FIGS.
- 20B (a-1) to (a-3) are a cross-section of a cell body stained with Hoechst, a cross-section of a cell body stained with Map 2, and a cross-section of a cell body stained with Synapsin 1, respectively.
- 20B (b-1) to (b-3) are cross sections of axon bundles dyed so as to correspond to FIGS. 20B (a-1) to (a-3), respectively. Since the axons are bundled, the cross section of the axon can be easily observed by immunostaining.
- FIG. 20C is a TEM image of the cross section of the axon bundle, that is, a photograph taken with a transmission electron microscope. Since the axons are bundled, the cross section of a plurality of axons can be easily observed with a transmission electron microscope. As a result, the state of mitochondria, synapses, and microtubules in the axon can be observed, and can be used for evaluating the effect of the drug.
- FIG. 20 (d) shows spheroids of cell bodies stained with the markers Map ⁇ ⁇ ⁇ 2, Nucleoporin, Tau 1, Synapsin 1 and Synaptophysin by known Western blotting (Western blot ⁇ ⁇ ⁇ ⁇ analysis). And the results of protein analysis of axon bundles. Note that [kDa] indicates a unit kilodalton. Since axons are bundled, it is possible to efficiently collect a sample of only axons, and to analyze specific proteins of axons.
- Map ⁇ ⁇ ⁇ 2 the markers Map ⁇ ⁇ ⁇ 2
- Nucleoporin Nucleoporin
- Tau 1 Tau 1
- Synaptophysin by known Western blotting (Western blot ⁇ ⁇ ⁇ ⁇ analysis).
- [kDa] indicates a unit kilodalton. Since axons are bundled, it is possible to efficiently collect a sample of only ax
- FIGS. 20 (d) when the spheroid sample of the cell body and the sample of the axon bundle are compared, it can be seen that, in the sample of the axon bundle, Map ⁇ 2 and Nucleoporin, which are markers of the cell body, are negative. Therefore, it can be seen that the axonal bundle sample does not contain cell bodies, that is, the axonal bundle sample has high axon purity. This is shown in FIGS. 20 (b-1) to (b-3), FIGS. 20A (b-1) and (b-2), and FIGS. 20B (b-1) to (b-3).
- FIG. 21 is a photograph showing a result of observing the surface of the axon bundle grown in the channel of the culture plate in this embodiment with a scanning electron microscope.
- (a-1) and (a-2) are low and high magnification photographs when no stress is applied
- (b-1) and (b-2) are respectively (a-1 )
- (a-2) are photographs when stresses corresponding to the respective are applied.
- the axon bundle is the same as that used in the observation shown in FIG. Since the axons are bundled, the surface of the axon bundle can be easily observed with a scanning electron microscope. Since the axons are bundled and extend in the same direction, for example, when stress is applied (the example shown in FIGS. 21 (b-1) and (b-2) is oxidative stress) The change is clear.
- FIG. 22 is a photograph showing an axon bundle when stress is applied in the channel of the culture plate in the present embodiment
- FIG. 23 is an axon bundle when stress is applied in the channel of the culture plate in the present embodiment. It is a graph which shows the experimental result of a form change.
- (a) is a photograph when no stress is applied
- (b) is a photograph when oxidative stress is applied
- (c) is a photograph when oxidative stress and an antioxidant are applied.
- spheroids of cell bodies were prepared by seeding motor neurons derived from human iPS cells (409B2 cell line) on non-adhesive culture plate 10. Subsequently, spheroids of cell bodies were cultured for 10 days, and then seeded in the first chamber 12a of the module 11 of the culture plate 10. Then, on the 30th day of the culture, the following conditions (1) to (3) were processed.
- H 2 O 2 3hour treatment >>> PBS washing >>> culture medium
- H 2 O 2 3hour treatment >>> PBS washing >>> culture medium containing Edaravone
- the evaluation item is Directionality: axon directionality. Specifically, the directionality of the object in FIG. 22 was measured. In this case, 0 degree is the flow path (channel 13) direction. Since the axons are bundled and extend in the same direction, for example, when oxidative stress is applied in the channel 13 as shown in FIG. 22 (b) or shown in FIG. 22 (c). As described above, it is possible to compare morphological changes when oxidative stress and an antioxidant (Edaravone) used as a drug for neurological diseases are simultaneously applied. And, as a result of the evaluation experiment as shown in FIG.
- FIG. 24 is a diagram showing myelination of axons in the module of the culture plate in the present embodiment.
- (a) is a schematic diagram for explaining myelination of neurons in the module
- (b) is a photograph of axons when there is no Schwann cell
- (c) is an axon when there is Schwann cell. It is a photograph of.
- the conventional method is complex because the cell body of nerve cells and the cell body of Schwann cells and oligoderonsite are mixed (each It was difficult to identify cell bodies.)
- the culture plate 10 according to the present embodiment is used, as shown in FIG. 24 (a), the cell body of nerve cells in the channel 13 of the module 11 and in the second chamber 12b on the opposite side. It is easy to observe how axons and myelinating cells behave because of the absence of.
- the IMS32 cell line was seeded and cultured in the first chamber 12a, and after the axons became bundles, Schwann cells, which are myelinating cells, were seeded. Compared with the example shown in FIG. 24 (b) where Schwann cells are not present, myelination can be easily observed in the example shown in FIG. 24 (c) where Schwann cells are present.
- FIG. 25 is a schematic diagram showing the applicable fields of the apparatus in the present embodiment
- FIG. 26 is a schematic diagram showing other applicable fields of the apparatus in the present embodiment.
- (a) is a diagram showing application to drug screening
- (b) is a diagram showing application to a phenotype device.
- the culture plate 10 By using the culture plate 10 according to the present embodiment, as shown in FIG. 25 (a), screening for a nerve tissue having a thick axon bundle, that is, a co-culture system of nerve cells and other tissues. It can be performed. In addition, as shown in FIG. 25B, the phenotype can be comprehensively examined by using the tissue derived from the patient.
- the culture plate 10 can be applied to the development of diagnostic agents by phenotypic analysis.
- the nerve tissue having a thick axon bundle cultured using the culture plate 10 according to the present embodiment can be used for development and testing of a medical device such as a pacing system. . It can also be expected to be used for transplantation.
- the present disclosure can be applied to an apparatus and a method suitable for culturing nerve cells.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Clinical Laboratory Science (AREA)
- Cell Biology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Neurology (AREA)
- Urology & Nephrology (AREA)
- Rheumatology (AREA)
- Biophysics (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physiology (AREA)
- General Physics & Mathematics (AREA)
- Neurosurgery (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Pathology (AREA)
- Virology (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Description
(1)control PBS (Phosphate Buffered Saline) washing>>>culture medium
(2)H2O2 3hour treatment>>>PBS washing>>>culture medium
(3)H2O2 3hour treatment>>>PBS washing>>>culture medium containing Edaravone
処理を行ってから2日後に、マーカーであるTau 1 で免疫染色した後、評価を行った。なお、評価項目は、Directionality:軸索の方向性である。具体的には、図22内のオブジェクトの方向性を計測した。この場合、0度が流路(チャネル13)方向である。軸索は、束になっていて同じ方向に延びているので、チャネル13内で、例えば、図22(b)に示されるように、酸化ストレスを付与したときや、図22(c)に示されるように、酸化ストレスと、神経疾患の薬剤として用いられる抗酸化剤(Edaravone )とを同時に付与したときの形態変化を比較することができる。そして、図23に示されるような評価実験の結果は、酸化ストレスを付与すると、軸索方向に伸展する軸索が変性するので、流路方向(0度)への方向性が減少し複雑な形状に変化することを示している。形態変化の評価として、図23に示されるオブジェクトの配向性(Directionality)を調べると、負荷をかけていないnegative controlの軸索束の配向性が高く、次に、薬剤及びストレスを付与したとき、その次に、酸化ストレスだけを付与したとき、という順で、配向性の差を観ることができた。これにより、神経細胞が受けたストレスを、軸索の形態変化として、画像処理に基づいて評価することができることが分かる。
11 モジュール
12a 第1チャンバー
12b 第2チャンバー
13 チャネル
15 基板
16 上板
17 シール部材
18 培養液
21 カッター
22 ピペット
Claims (15)
- 軸索を有する神経細胞を培養する装置であって、
培養プレート(10)と、
該培養プレート(10)内に配置された複数のモジュール(11)であって、各モジュール(11)は、神経細胞の細胞体を受容可能な第1チャンバー(12a)を少なくとも1つ、第2チャンバー(12b)を少なくとも1つ、及び、細胞体から延びた軸索束を受容可能なチャネル(13)であって前記第1チャンバー(12a)と第2チャンバー(12b)とを接続するチャネル(13)を少なくとも1つ含むモジュール(11)と、
を備え、
前記第1チャンバー(12a)、第2チャンバー(12b)及びチャネル(13)の下端が閉止され、前記第1チャンバー(12a)及び第2チャンバー(12b)の上端が開放されている装置。 - 前記第1チャンバー(12a)、第2チャンバー(12b)及びチャネル(13)内に培養液(18)が入れられ、前記第2チャンバー(12b)の上端が少なくとも1つのシール部材(17)によって閉止される請求項1に記載の装置。
- 前記第2チャンバー(12b)は骨格筋を受容可能であり、これにより、細胞体から延びた軸索束が骨格筋に接合する請求項1に記載の装置。
- 前記チャネル(13)は、幅100~150〔μm〕及び高さ100~200〔μm〕である請求項1に記載の装置。
- 軸索を有する神経細胞を培養する方法であって、
第1チャンバー(12a)の少なくとも1つ、第2チャンバー(12b)の少なくとも1つ、及び、前記第1チャンバー(12a)と第2チャンバー(12b)とを接続するチャネル(13)の少なくとも1つに培養液を供給するステップであって、前記第1チャンバー(12a)、第2チャンバー(12b)及びチャネル(13)は培養プレート(10)内に配置されたモジュール(11)の少なくとも1つに含まれているステップと、
前記第1チャンバー(12a)内に神経細胞を播種するステップと、
前記神経細胞を培養し、これにより、軸索束が成長して各チャネル(13)内を延びるステップと、
を備える方法。 - 前記第2チャンバー(12b)の少なくとも1つに骨格筋が播種され、これにより、神経細胞から延びた軸索束が骨格筋に接合する請求項5に記載の方法。
- 培養液内に播種することによって培養された複数の神経細胞であって、
細胞体と、該細胞体から所定の方向に延びた少なくとも1つの軸索束とを備える神経細胞。 - 前記細胞体、軸索束及び軸索末端は、空間的に分離されている請求項7に記載の神経細胞。
- 前記神経細胞はスフェロイド状であり、前記軸索束は伸展可能である請求項7に記載の神経細胞。
- 前記軸索束は骨格筋に接合する請求項7に記載の神経細胞。
- 培養液内に播種することによって培養された複数の神経細胞であって、
細胞体と、該細胞体から所定の方向に延びた少なくとも1つの軸索束とを備え、該軸索束は細胞体を含んでいない神経細胞。 - 軸索束内のプロテインを解析及び同定する方法であって、
軸索束の少なくとも1つが成長して神経細胞の細胞体から伸展するように神経細胞を培養するステップと、
ウェスタンブロッティングによって、前記軸索束内では、前記細胞体の存在を示すマーカーがネガティブであることを確認するステップと、
を備える方法。 - 前記マーカーは、マップ2(Map2)及びヌクレオポリン(Nucleoporin)である請求項12に記載の方法。
- 軸索束内のプロテインを解析及び同定する方法であって、
軸索束の少なくとも1つが成長して神経細胞の細胞体から伸展するように神経細胞を培養するステップと、
前記軸索束をスライスするステップと、
前記軸索束内に存在するプロテインを解析及び同定するステップと、
を備える方法。 - 軸索束を含む神経細胞を使用する方法であって、
軸索束の少なくとも1つが成長して神経細胞の細胞体から伸展するように神経細胞を培養するステップと、
前記神経細胞に蛍光処理を施すステップと、
電気生理学的活動を観察するために前記細胞体にKClを付与するステップと、
を備える方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/094,296 US10865372B2 (en) | 2016-04-28 | 2017-02-01 | Neuron cultivation device, neuron cultivating method, cultivated neuron, analysis and identification of protein in axon bundle, and usage of cultivated neuron |
JP2018514120A JP6430680B2 (ja) | 2016-04-28 | 2017-02-01 | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
CN201780026289.6A CN109219655A (zh) | 2016-04-28 | 2017-02-01 | 用于培养神经细胞的装置、用于培养神经细胞的方法、培养的神经细胞、用于分析和鉴定轴突束中蛋白质的方法、以及用于使用神经细胞的方法 |
EP17788986.2A EP3450540A4 (en) | 2016-04-28 | 2017-02-01 | NERVOUS CELL CULTURE DEVICE, NERVOUS CELL CULTURE METHOD, CULTIVATED NERVOUS CELL, METHOD OF ANALYZING AND IDENTIFYING PROTEIN IN AXON BEAM, AND METHOD OF USING NERVOUS CELL |
US17/094,219 US20210054320A1 (en) | 2016-04-28 | 2020-11-10 | Neuron cultivation device, neuron cultivating method, cultivated neuron, analysis and identification of protein in axon bundle, and usage of cultivated neuron |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662328905P | 2016-04-28 | 2016-04-28 | |
US62/328,905 | 2016-04-28 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/094,296 A-371-Of-International US10865372B2 (en) | 2016-04-28 | 2017-02-01 | Neuron cultivation device, neuron cultivating method, cultivated neuron, analysis and identification of protein in axon bundle, and usage of cultivated neuron |
US17/094,219 Division US20210054320A1 (en) | 2016-04-28 | 2020-11-10 | Neuron cultivation device, neuron cultivating method, cultivated neuron, analysis and identification of protein in axon bundle, and usage of cultivated neuron |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017187696A1 true WO2017187696A1 (ja) | 2017-11-02 |
Family
ID=60160221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/003653 WO2017187696A1 (ja) | 2016-04-28 | 2017-02-01 | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US10865372B2 (ja) |
EP (1) | EP3450540A4 (ja) |
JP (2) | JP6430680B2 (ja) |
CN (1) | CN109219655A (ja) |
WO (1) | WO2017187696A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019037245A (ja) * | 2016-04-28 | 2019-03-14 | 一般財団法人生産技術研究奨励会 | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
CN111655269A (zh) * | 2017-12-04 | 2020-09-11 | 杜雷安教育基金会行政处 | 使用球状体的细胞系统以及制造和使用它们的方法 |
WO2021006075A1 (ja) | 2019-07-05 | 2021-01-14 | 株式会社Jiksak Bioengineering | 神経細胞のシナプス形成誘導方法および該方法に用いるマイクロビーズ |
WO2021015213A1 (ja) | 2019-07-22 | 2021-01-28 | 株式会社Jiksak Bioengineering | 培養方法および培養容器 |
WO2022092222A1 (ja) | 2020-10-29 | 2022-05-05 | 学校法人慶應義塾 | 人工軸索束 |
WO2022154080A1 (ja) * | 2021-01-15 | 2022-07-21 | 国立大学法人東京大学 | 複雑な活動と可塑性を示すインビトロ神経回路組織、その神経活動の観察装置およびこれを用いた物質のスクリーニング方法 |
WO2023234170A1 (ja) * | 2022-05-30 | 2023-12-07 | 三井化学株式会社 | 培養容器、その製造方法、および培養方法 |
WO2024190850A1 (ja) * | 2023-03-14 | 2024-09-19 | 富士フイルム株式会社 | 酸化ストレスによる傷害を受けた神経細胞の製造方法およびその応用 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7151966B2 (ja) * | 2017-06-14 | 2022-10-12 | 一般財団法人生産技術研究奨励会 | 神経細胞を培養する装置、神経細胞を培養する方法、軸索束の形態変性を配向性解析によって数値化する方法、神経組織、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
CN111996114B (zh) * | 2019-10-12 | 2023-05-12 | 南方科技大学 | 一种用于神经细胞轴突分离培养的多室型微流控装置 |
JPWO2022059793A1 (ja) * | 2020-09-18 | 2022-03-24 | ||
JP2022051245A (ja) * | 2020-09-18 | 2022-03-31 | 国立大学法人 筑波大学 | 神経束および神経束の製造方法 |
US20240287427A1 (en) * | 2021-06-18 | 2024-08-29 | 9493662 Canada Inc. | Device and method for preparing compartmentalized in vitro models with an elongated component of a biological material |
JP2023005361A (ja) | 2021-06-29 | 2023-01-18 | 学校法人東北工業大学 | 薬剤の影響予測システム |
WO2023173215A1 (en) * | 2022-03-16 | 2023-09-21 | Ananda Devices Inc. | Devices and methods for preparing in vitro models of neuromuscular junctions |
WO2024081442A1 (en) * | 2022-10-14 | 2024-04-18 | University Of Maryland, Baltimore | Methods of treating eye diseases using optic nerve lamina region neural progenitor cell-derived secreted extracellular vesicles and free proteins |
WO2024096098A1 (ja) * | 2022-11-02 | 2024-05-10 | 学校法人東北工業大学 | マイクロ流体デバイス及びマイクロ流体デバイスの使用方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014110804A (ja) * | 2008-10-10 | 2014-06-19 | Cnrs-Dae | 細胞培養のためのデバイス |
JP2015524674A (ja) * | 2012-08-17 | 2015-08-27 | ユニバーシティ オブ セントラル フロリダ リサーチ ファウンデーション,インコーポレイテッド | 哺乳動物系の機能的なインビトロ細胞モデルについての方法、システム、および組成物 |
WO2016040961A1 (en) * | 2014-09-12 | 2016-03-17 | The Administrators Of The Tulane Educational Fund | Neural microphysiological systems and methods of using the same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6699665B1 (en) * | 2000-11-08 | 2004-03-02 | Surface Logix, Inc. | Multiple array system for integrating bioarrays |
US8106096B2 (en) * | 2008-03-12 | 2012-01-31 | University Of Maryland, Baltimore | Compositions and methods for treatment of optic nerve diseases |
JP5783504B2 (ja) * | 2009-03-30 | 2015-09-24 | 国立研究開発法人国立環境研究所 | 胎生プログラミングに対する影響を評価するための方法 |
US20110065645A1 (en) * | 2009-09-10 | 2011-03-17 | The Regents Of The University Of California | Compositions and Methods for Modulating Neuron Degeneration and Neuron Guidance |
EP2478360B1 (en) * | 2009-09-14 | 2018-06-27 | Banyan Biomarkers, Inc. | Autoantibody markers for diagnosis of traumatic brain injury |
CN102533647B (zh) * | 2012-01-05 | 2014-04-02 | 重庆医科大学附属儿童医院 | 一种诱导干细胞神经分化的方法 |
CN102707065A (zh) * | 2012-03-23 | 2012-10-03 | 常熟市虞山绿茶有限公司 | Prohibitin蛋白抗体在制备诊断老年性痴呆的试剂盒中的应用 |
KR20150110581A (ko) * | 2013-01-14 | 2015-10-02 | 메사추세츠 인스티튜트 오브 테크놀로지 | 동적으로 구성가능한 신경망에 대한 신경돌기 성장의 전기역학적 구속 |
WO2017187696A1 (ja) * | 2016-04-28 | 2017-11-02 | 一般財団法人生産技術研究奨励会 | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
-
2017
- 2017-02-01 WO PCT/JP2017/003653 patent/WO2017187696A1/ja active Application Filing
- 2017-02-01 JP JP2018514120A patent/JP6430680B2/ja active Active
- 2017-02-01 CN CN201780026289.6A patent/CN109219655A/zh active Pending
- 2017-02-01 EP EP17788986.2A patent/EP3450540A4/en active Pending
- 2017-02-01 US US16/094,296 patent/US10865372B2/en active Active
-
2018
- 2018-10-31 JP JP2018205589A patent/JP6854471B2/ja active Active
-
2020
- 2020-11-10 US US17/094,219 patent/US20210054320A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014110804A (ja) * | 2008-10-10 | 2014-06-19 | Cnrs-Dae | 細胞培養のためのデバイス |
JP2015524674A (ja) * | 2012-08-17 | 2015-08-27 | ユニバーシティ オブ セントラル フロリダ リサーチ ファウンデーション,インコーポレイテッド | 哺乳動物系の機能的なインビトロ細胞モデルについての方法、システム、および組成物 |
WO2016040961A1 (en) * | 2014-09-12 | 2016-03-17 | The Administrators Of The Tulane Educational Fund | Neural microphysiological systems and methods of using the same |
Non-Patent Citations (3)
Title |
---|
JEONG G.S. ET AL.: "Networked neural spheroid by neuro-bundle mimicking nervous system created by topology effect", MOLECULAR BRAIN, vol. 8, no. 17, 2015, pages 1 - 11, XP021220559 * |
KATO-NEGISHI M. ET AL.: "A neurospheroid network-stamping method for neural transplantation to the brain", BIOMATERIALS, vol. 31, 2010, pages 8939 - 8945, XP027381056 * |
SRINIVASAN A. ET AL.: "Microchannel-based regenerative scaffold for chronic peripheral nerve interfacing in amputees", BIOMATERIALS, vol. 41, 2015, pages 151 - 165, XP029116894 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019037245A (ja) * | 2016-04-28 | 2019-03-14 | 一般財団法人生産技術研究奨励会 | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 |
CN111655269A (zh) * | 2017-12-04 | 2020-09-11 | 杜雷安教育基金会行政处 | 使用球状体的细胞系统以及制造和使用它们的方法 |
JP2021505193A (ja) * | 2017-12-04 | 2021-02-18 | ザ アドミニストレイターズ オブ ザ テューレイン エデュケイショナル ファンド | スフェロイドを用いた細胞システムならびにそれらの製造方法及び使用方法 |
WO2021006075A1 (ja) | 2019-07-05 | 2021-01-14 | 株式会社Jiksak Bioengineering | 神経細胞のシナプス形成誘導方法および該方法に用いるマイクロビーズ |
WO2021015213A1 (ja) | 2019-07-22 | 2021-01-28 | 株式会社Jiksak Bioengineering | 培養方法および培養容器 |
WO2022092222A1 (ja) | 2020-10-29 | 2022-05-05 | 学校法人慶應義塾 | 人工軸索束 |
EP4239054A4 (en) * | 2020-10-29 | 2024-04-17 | Keio University | ARTIFICIAL AXON BUNDLE |
WO2022154080A1 (ja) * | 2021-01-15 | 2022-07-21 | 国立大学法人東京大学 | 複雑な活動と可塑性を示すインビトロ神経回路組織、その神経活動の観察装置およびこれを用いた物質のスクリーニング方法 |
WO2023234170A1 (ja) * | 2022-05-30 | 2023-12-07 | 三井化学株式会社 | 培養容器、その製造方法、および培養方法 |
WO2024190850A1 (ja) * | 2023-03-14 | 2024-09-19 | 富士フイルム株式会社 | 酸化ストレスによる傷害を受けた神経細胞の製造方法およびその応用 |
Also Published As
Publication number | Publication date |
---|---|
US20210054320A1 (en) | 2021-02-25 |
EP3450540A1 (en) | 2019-03-06 |
JP6854471B2 (ja) | 2021-04-07 |
JP2019037245A (ja) | 2019-03-14 |
US10865372B2 (en) | 2020-12-15 |
US20190127672A1 (en) | 2019-05-02 |
JP6430680B2 (ja) | 2018-11-28 |
CN109219655A (zh) | 2019-01-15 |
EP3450540A4 (en) | 2020-04-08 |
JPWO2017187696A1 (ja) | 2018-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6430680B2 (ja) | 神経細胞を培養する装置、神経細胞を培養する方法、培養された神経細胞、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 | |
JP5661039B2 (ja) | 細胞培養のためのデバイス | |
JP2021000133A (ja) | 血液脳関門のマイクロ流体モデル | |
CN108348554A (zh) | 上胚层球状体向肾脏类器官的三维分化模拟阶段特异性上皮生理、形态发生和疾病 | |
KR101661268B1 (ko) | 콜라젠 섬유를 정렬하기 위한 신장 장치 및 방법 | |
JP7151966B2 (ja) | 神経細胞を培養する装置、神経細胞を培養する方法、軸索束の形態変性を配向性解析によって数値化する方法、神経組織、軸索束内のプロテインを解析及び同定する方法並びに神経細胞の使用方法 | |
US20160095887A1 (en) | Multipotent neural cells | |
DE69924728T2 (de) | Nicht-embryonale ependymale neuronale stammzellen und methoden zu ihrer isolierung | |
Lopez et al. | Clinical neurotransplantation protocol for Huntington's and Parkinson's disease | |
Jahnel et al. | Mechanical probing of the intermediate filament-rich Caenorhabditis elegans intestine | |
Klenke et al. | Culturing embryonic nasal explants for developmental and physiological study | |
Kim et al. | In vitro visualization of cell-to-cell interactions between natural killer cells and sensory neurons | |
Qu et al. | Live imaging of microtubule dynamics at excitatory presynaptic boutons in primary hippocampal neurons and acute hippocampal slices | |
Tran et al. | A compartmentalized neuronal cell-culture platform compatible with cryo-fixation by high-pressure freezing for ultrastructural imaging | |
DE102013012467A1 (de) | Verkapselungseinrichtung und -verfahren zur Verkapselung einer Probe in einer Polymerkapsel | |
Mateus et al. | Influence of asymmetric microchannels in the structure and function of engineered neuronal circuits | |
Döbrössy et al. | Neural repair with pluripotent stem cells | |
Izsak | Human iPSC-derived neuronal networks. Development and application for compound evaluation | |
Cohen et al. | A leech brain in the dish: a method for detailed analysis of specifically labeled single cells | |
Dagberg et al. | Improved organotypic cell culture model for analysis of the neuronal circuit involved in the monosynaptic stretch reflex | |
Xue | Retinal Organoids On-a-Chip: Study of Stem Cell Derived Retinal Organoids Long-term Development and Maintenance | |
Yu et al. | A Co-culture System for Studying Dorsal Spinal CordSynaptogenesis | |
Rando | Innovative Brain Cell Culture by Using a Bicompartmental Device Suitable for Atomic Force Microscopy | |
Nylander | Do Nanoparticles Affect Neuronal Function?-Establishment of a Microelectrode-Based Assay | |
Miyata et al. | Modern slice culture for direct observation of production and migration of brain neurons |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
ENP | Entry into the national phase |
Ref document number: 2018514120 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17788986 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017788986 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2017788986 Country of ref document: EP Effective date: 20181128 |