WO2006082763A1 - Danceまたはその発現を増強する因子による弾性線維再生の方法 - Google Patents
Danceまたはその発現を増強する因子による弾性線維再生の方法 Download PDFInfo
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Classifications
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- 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
- C12N5/0018—Culture media for cell or tissue culture
- C12N5/0031—Serum-free culture media
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/507—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials for artificial blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/60—Materials for use in artificial skin
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/78—Connective tissue peptides, e.g. collagen, elastin, laminin, fibronectin, vitronectin or cold insoluble globulin [CIG]
-
- 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
- C12N5/0018—Culture media for cell or tissue culture
- C12N5/0037—Serum-free medium, which may still contain naturally-sourced components
-
- 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
- C12N2501/00—Active agents used in cell culture processes, e.g. differentation
- C12N2501/10—Growth factors
- C12N2501/15—Transforming growth factor beta (TGF-β)
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- 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
- C12N2501/00—Active agents used in cell culture processes, e.g. differentation
- C12N2501/50—Cell markers; Cell surface determinants
- C12N2501/58—Adhesion molecules, e.g. ICAM, VCAM, CD18 (ligand), CD11 (ligand), CD49 (ligand)
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- 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
- C12N2501/00—Active agents used in cell culture processes, e.g. differentation
- C12N2501/998—Proteins not provided for elsewhere
Definitions
- the present invention relates to a novel method for producing elastic fibers, and elastic fibers obtained by the method.
- fetal bovine serum is strictly limited for cultured artificial skin, such as cultured artificial blood vessels, which are premised on transplantation to humans, and the production of artificial skin and artificial blood vessels containing normal amounts of elastic fibers It is extremely difficult. It was confirmed that elastic fibers were formed in 3D culture with smooth muscle cells and fibroblasts in collagen gel or fibrin gel, and that elastic fiber formation was enhanced by the combined use of TGF] 3 1 and insulin. Have been reported [Long, JL et al. (2003) Matrix biology22 (4): 339-50]. However, since all of these cultures use a heterogeneous animal component of 10% fetal calf serum, it is not only problematic for transplantation into humans, but it is also unclear what is required for elastic fiber formation. is there. Also, the resulting elastic fibers are mottled and cannot be said to have a normal structure.
- the present invention establishes a cell culture technique that enables simple and efficient formation or regeneration of elastic fibers that retain a normal structure, and formation or regeneration of elastic fibers in a serum-free medium. It is an object of the present invention to provide a means for enabling development of a cultured artificial skin or cultured artificial blood vessel including a pharmaceutical that controls regeneration and elastic fibers that maintain a normal structure.
- DANCE developmental arteri es and neural cres tei dermal growth factor (EGF) in serum-free culture of cells having the ability to form elastic fibers.
- -l ike also called f ibul in-5
- TGF] 3 [Schiemann et al., J Biol Chera 277 (30): 27367-77 (2002)] known to be able to induce DAN CE expression in fibroblasts, has the same activity. I found it.
- DANC E is a secreted protein that the present inventors have cleaved from the cardiovascular nascent stage [Nakamura et al., J Biol Chem 274 (32): 22476-83 (1999)], also produced by the present inventors.
- ⁇ Analyzed DANC E gene-deficient mice show abnormal dysplasia, and DAN CE has been found to be essential for elastic fibril formation [Nakamura et al., Nature 415: 171-5 (2002) ].
- the present discovery by the present inventors shows that DAN CE is not only essential for elastic fiber formation but can also be used for the regeneration of elastic fibers.
- This elastic fiber regeneration technology using D AN CE and NO or fibu 1 in-4 or DANCE expression inducer is immediately used for the production of artificial skin, skin model or artificial blood vessel containing elastic fiber that retains normal amount and normal structure. In addition to being applicable, it is considered an essential technology for the regeneration of elastic fibers in vivo.
- the present invention is as follows:
- a method for producing elastic fibers comprising culturing cells having the ability to regenerate elastic fibers in the presence of D AN C E;
- [1 1] A method for producing elastic fibers, comprising culturing cells having the ability to regenerate elastic fibers in the presence of f i b u l i n-4;
- An elastic fiber regenerative agent comprising a substance that promotes the expression of f i b u l i n—4 or f i b u 1 i n—4;
- the present invention provides a method for producing elastic fibers, comprising culturing cells having the ability to regenerate elastic fibers in the presence of DAN C E and / or f i b u 1in-4.
- DANC E refers to human DANC E (for example, GenBank accession number: AF112152) or its solo solo Or their variants (including SNPs and haplotypes).
- the ortholog of D ANC E is not particularly limited, and may be derived from any animal, preferably a mammal. Mammals include, for example, rabbits, hidges, pigs, goats, monkeys, rabbits, rats, hamsters, guinea pigs and mice.
- DANCE is a secreted protein, and a signal sequence (for example, corresponding to amino acid residues 1 to 23 in the amino acid sequence shown in SEQ ID NO: 1) can be removed by processing.
- DANC E has also been confirmed to be cleaved by DANC E specific proteases. For example, taking the amino acid sequence shown in SEQ ID NO: 1 as an example, Arg—G 1 y (corresponding to the 7th to 78th amino acids in the amino acid sequence represented by SEQ ID NO: 1) is cleaved. Can be done. Since it has been confirmed that truncated DANC E has a weak ability to regenerate elastic fibers, the DANC E used in the present invention is preferably a full-length DANC E (that is, not cut as described above).
- the DANC E mutant is not particularly limited as long as it can regenerate elastic fibers.
- a DANC E mutant a mutant in which a mutation has been introduced into the protease cleavage site so as to be resistant to a DANC E-specific protease can be used as a DANC E mutant.
- the protease cleavage site (A rg—G 1 y: amino acid sequence represented by SEQ ID NO: 1 from the 7th 7th to the 7th to show resistance to DAN CE-specific protease) 7 Equivalent to the 8th amino acid) or nearby amino acid (for example, the amino acid sequence represented by SEQ ID NO: 1) 7th to 8th, preferably 7th to 8th, 3rd, more preferably 7th to 8th, and even more preferably 7th to 7th to 9th amino acids) mutated ( For example, deletions, additions, substitutions) can be used.
- “Resistant to DAN CE-specific protease” means that the ability to cleave DAN CE by DA NC E-specific protease is further reduced after mutation (eg, 1.5 times or more, preferably 2 times or more). The degree of reduction in cutting ability is not particularly limited. Whether or not the DANC E mutant is resistant to DAN CE-specific proteases is determined by normal DANC E and DAN CE mutant cleavage treatment (for example, see Reference Examples below), then normal DANC It can be confirmed by measuring and comparing the cleavage amounts of E, DAN CE mutants. Such a DAN CE variant is useful for use in the method of the present invention because it has a longer half-life than natural DANC E.
- fibu 1 in—4 refers to human fibu 1 in—4 (for example, GenBank accession number: NM_021474) or its orthologs, or mutants thereof (including SNP and haplotype).
- the orthobulg of fibulin-4 is not particularly limited, and may be derived from, for example, the above animals.
- fibulin-4 is a secreted protein whose signal sequence can be removed by processing. In the method of the present invention, fibu 1 in-4 can be used either from which the signal sequence has been removed or from which the signal sequence has not been removed, but preferably from which the signal sequence has been removed.
- the fibu 1 in—4 mutant is not particularly limited as long as it can regenerate elastic fibers.
- Cells with the ability to regenerate elastic fibers are cells that secrete fertile fiber components and that can be cultivated in the presence of DANCE and / or fibu 1 in-4 to enable the formation of elastic fibers.
- the cell having the ability to regenerate elastic fibers can be derived from any animal, preferably a mammal. Mammals include those from which DANCE and / or fibu 1 in — 4 orthologs are derived.
- the cells having the ability to regenerate elastic fibers can also be non-transgenic cells or transgenic cells.
- such cells can be cells derived from tissues in which elastic fibers are present, such as skin, blood vessels (eg, arteries), lungs or uterus.
- Such cells can also be cells such as fibroblasts, smooth muscle cells, epithelial cells, endothelial cells and the like.
- skin fibroblasts or vascular smooth muscle cells can be used as such cells.
- the cells having the ability to regenerate elastic fibers can further be cells obtained by culturing undifferentiated cells such as primary cultured cells, cell lines derived from the primary cultured cells, and stem cells.
- Such cells can be prepared by a method known per se (eg, Current Protocol Sin Cell Biology, John Wiley & Sons, Inc. (2001); isolation and culture of functional cells, Maruzen Shoten (19 See 8 7).
- the cells having the ability to regenerate elastic fibers are gene-introduced cells
- such cells can be ones into which one or more genes have been introduced so that their expression is possible.
- the cell to be introduced is a cell that does not have or does not have enough elastic fiber regeneration ability, the elastic fiber constituents and other factors that promote the formation of the elastic fiber or z
- an expressible vector into such a cell
- a cell having acquired elastic fiber regeneration ability or a cell having improved elasticity fiber regeneration ability can be produced.
- the elastic fibers are regenerated. Performance may be further improved.
- DANCE is an elastic fiber Organize the constituents (more specifically, DANC E localizes the enzyme of lysyloxidase zefamily (enzyme that crosslinks elastin) on the microfibril as a scaffold, thus elastin) It is considered that fibr 1 in _ 4 may play an important role in elastic fiber formation. If the vector is introduced into cells that do not have or do not have enough, the introduced cells can secrete the necessary elastic fiber components, and DAN CE and Z or By culturing in the presence of fibu 1 in-4, elastic fibers can be born. Elastic fiber constituents and / or other factors that promote the formation of elastic fibers that should be expressed in cells that do not have or do not have sufficient capacity to regenerate are not particularly limited.
- elastic fiber components include elastin, lysyloxidase (LOX), lysyloxidase-like 1_4 (LOXL 1-4), LTBP 2 and 4 Fibrillin 1 1 3, £ 1 ⁇ 1 and 1 ⁇ [1 and 2, 1 ⁇ 0? 1 and 2, and other factors that promote the formation of elastic fibers include versican ( versican) V 3 and hyaluronanidase.
- a vector capable of expressing an elastic fiber component and / or other factor that promotes the formation of elastic fiber, and a method for introducing the vector into a cell include a DAN CE expression vector and / or fibu 1 in— described later. In addition to the expression vector, the same DAN CE inducer expression vector can be used.
- Cultivation of cells with the ability to regenerate elastic fibers in the presence of 0 ⁇ 10 and / or £ ibulin-4 results in elasticity in a culture medium containing DAN CE and / or fibulin-4
- the cell is not particularly limited as long as cells having a fiber regeneration ability are cultured. Therefore, at the start of culture, DAN CE and And / or fibu 1 in—4 protein may not be present in the medium.
- DAN CE and And / or fibu 1 in—4 protein may not be present in the medium.
- Elastic fibers in a culture medium supplemented with DAN CE and NO or fibulin-4 can be used to culture elastic fibers in the presence of DANC E and / or fibu 1 in-4.
- the density of cells having the ability to regenerate elastic fibers when seeded in a culture medium is not particularly limited, but can be seeded so as to be subconfluent or confluent, for example.
- DAN CE and / or fibu 1 in-4 added to the culture medium can be a natural protein or a recombinant protein.
- D AN CE and fibu 1 in-4 can be prepared by a method known per se, for example, a) DANC E or fibu 1 in-4 from a biological sample (for example, blood) containing DANC E or fibu 1 in-4 B) Host cells (eg, Escherichia, Bacillus, yeast, insect cells, insects, animal cells) in a DAN CE expression vector or fibu 1 in_4 expression vector (described later) ) May be prepared, and DAN CE or fibulin-4 produced by the transformant may be recovered.
- DAN CE or fibulin-4 produced by the transformant may be recovered.
- DANC E or fibulin-4 may be synthesized by a cell-free system using a salt or the like.
- DANC E and fibulin-4 are mainly methods such as salting out and solvent precipitation; dialysis, ultrafiltration, gel filtration, and SDS-polyacrylamide gel electrophoresis.
- the amount of DAN CE and Fibulin- 4 to be added to the culture medium is not particularly limited as long as it allows regeneration of elastic fiber, such that the final concentration in the culture medium, 0. 1 ⁇ 1 0 0 ⁇ 8 / An amount may be added such that ⁇ 1, preferably 0.5 to 50 / ⁇ ⁇ / ⁇ 1, more preferably 1 to 20 / z gZm l.
- the DANC E inducing factor added to the culture medium is not limited as long as it can induce the expression of D AN CE.
- TGF i3 for example, TG F] 3 1
- the amount of DANC E-inducing factor added to the culture medium is not particularly limited as long as it induces DAN CE in an amount that enables elastic fiber regeneration.
- TGF was used as the DANC E-inducing factor. If, final concentration in the culture medium, 0. 5 ⁇ 1 0 0 0 ng / 1 , preferably 1 ⁇ : L 0 0 n g / ml, more preferably such that 5 ⁇ 4 0 ng / m 1 An amount can be added.
- the expression vector introduced into the cells having the ability to regenerate elastic fibers can be a betater that can express the above-mentioned DAN CE, fibulin-4 or DANCE inducer.
- the polynucleotide encoding the target protein must be operably linked to a promoter capable of exhibiting promoter activity in the target cell.
- the promoter used is not particularly limited as long as it can function in the target cell.
- the SV 40-derived early promoter Cytomegaloinores LTR, Lous sarcoma Winores LTR, MoMu LV-derived LTR, adenovirus-derived early promoter, etc .
- 3-actin gene promoter PGK gene promoter, transferrin gene promoter, etc.
- Examples include mammalian structural protein gene promoters. Promoters are also cells that have the ability to regenerate elastic fibers such as fibroblast-specific promoters (eg, collagen promoters), smooth muscle cell-specific promoters (eg, SM 22 promoter, ⁇ -smooth muscle actin promoter). Specific promoters may be used.
- the expression vector preferably contains a transcription termination signal, that is, a terminator region downstream of the polynucleotide encoding the target protein.
- selectable marker genes for selection of transformed cells include plasmid vectors, and virus vectors such as retrovirus, adenovirus, adeno-associated virus, and Sendai virus.
- the expression vector can be introduced into cells having the ability to form elastic fibers by a method known per se, such as an electoral poling method, a calcium phosphate precipitation method, a microinjection method, a ribosome, or a cationic lipid. This can be done depending on the method used. Further, a part or all of the expression vector may or may not be integrated into the genome of a cell having the ability to form elastic fibers.
- a method known per se for integration of the expression vector into the intracellular genome, a method known per se, for example, a method using a retrovirus, a method using a targeting betater that enables homologous recombination, and the like can be used.
- the cells coexisting with the cells having the ability to form elastic fibers in the culture medium are not particularly limited as long as DANC E, fibu 1 in-4, or DANC E inducer can be expressed.
- the expression cell may be, for example, a cell obtained by introducing a DAN CE or fibu 1 in-4 or DANC E inducing factor into a host cell, a DAN CE or fibu 1 in 4 or DANC E inducing factor. It can be a natural cell that expresses.
- Natural cells that express D AN CE can be cells derived from DANC E-expressing tissues (eg, heart, kidney, knee, testis, ovary, small intestine, colon, cartilage, artery, lung, uterus, skin). .
- Natural cells that express fibu 1 in—4 include fibu 1 in—4 expressing tissues (eg, heart, brain, placenta, lung, liver, skeletal muscle, kidney, knee, spleen, prostate, testis, ovary Cells derived from the small intestine, large intestine, skin, and arteries).
- tissues eg, heart, brain, placenta, lung, liver, skeletal muscle, kidney, knee, spleen, prostate, testis, ovary Cells derived from the small intestine, large intestine, skin, and arteries.
- DANC E inducer include, for example, TGF] 3 as DANC E inducer: white blood cell, bone, placenta, spleen, small intestine, intestine, liver, kidney, heart, Cells derived from tissues such as brain, bone marrow, and cartilage can be used.
- Cells expressing DANC E or fibu 1 in-4 or DANC E inducer can also be obtained by culturing undifferentiated cells such as primary cultured cells, cell lines derived from primary cultured cells, stem cells (eg, differentiated cells). ), Commercially available cell lines, cell lines available from cell banks, and the like.
- the cells expressing DA NCE or fibu 1 in-4 or DAN CE inducer can also be cells derived from the same species as the cells having the ability to regenerate elastic fibers.
- cells that have the ability to form elastic fibers and D ANC E or fibu 1 in-4 or DANC E inducer expressing cells are in physical contact, or these cells are in the same culture system.
- Cultivation of cells having the ability to regenerate elastic fibers in the presence of DAN C E and / or f i b u 1 i n-4 as described above can be performed according to a normal cell culture method.
- MEM medium, DMEM medium, RPMI 1640 medium, etc. can be used as the basal medium.
- the basal medium may be supplemented with components such as amino acids, vitamins, lipids, antibiotics, and buffering agents.
- the pH of the medium is, for example, about 6-8, preferably about 6.5-7.5.
- the culture temperature is, for example, about 30 to 40 ° C, preferably about 37 ° C.
- the culture period can be appropriately adjusted so as to obtain a sufficient amount of elastic fibers.
- the above culture may be performed in any serum-free medium or serum medium (for example, containing 5% or less, 3% or less, or 1% or less of serum). From the viewpoint of reducing the risk of infection, it is preferable to use a serum-free medium. Furthermore, from the viewpoint of removal of heterogeneous animal-derived components (for example, to suppress the allergic reaction), DAN CE and Z or fibu 1 in-4 used in culture, cells with regenerative fiber regeneration ability, In addition, it is preferable to unify other components derived from the same species.
- the medium used in the above culture also has elastic fiber components other than DAN CE and / or fibu 1 in-4 (for example, elastin) in order to efficiently form elastic fibers by cells having the ability to regenerate elastic fibers.
- elastic fiber components other than DAN CE and / or fibu 1 in-4 for example, elastin
- LOX Lysyloxidase
- L OX L 1-4 lysyloxidase-like 1-4
- LTBP 2 and 4 fibrillin 1-1-3
- MA GP 1 and 2 eg, / or Or other factors that promote the formation of elastic fibers
- eg, versican V 3, hyaluronidase eg, betaig—h 3, 67 k D elastin binding protein
- White matter eg, betaig—h 3, 67 k D elastin binding protein
- the culture can also be a two-dimensional culture or a three-dimensional culture.
- Two-dimensional culture or three-dimensional culture can be performed by a method known per se. For example, as for techniques related to three-dimensional culture, Long, JL et al. (2003) Matrix biology 22 (4): 339-50, Muraguchi, T. et al., (1994) Plastic and Reconstructive Surgery 93 (3): 537 -See page 44.
- the elastic fiber has been manufactured (that is, regenerated) can be confirmed by a method known per se. For example, a part of the culture is collected and confirmed by immunostaining with an antibody against elastic fiber components such as anti-DANCE antibody, anti-fib 1in-4 antibody, anti-elastin antibody and the like.
- the present invention also provides artificial elastic fibers comprising DAN C E and f i b u 1 i n -4.
- artificial elastic fiber shall mean elastic fiber regenerated at i n v i t ro.
- the artificial elastic fiber of the present invention comprises DAN CE and / or fibu 1 in-4 used for culture, and an animal derived from a heterogeneous animal with respect to an animal derived from cells having elastic fiber regeneration ability used for culture or culture. May not be included. That is, the artificial elastic fiber of the present invention can consist of only components derived from a single animal species with respect to biological components derived from animals.
- the above-described method of the present invention has made it possible for the first time to provide such an artificial elastic fiber. Therefore, the artificial elastic fiber of the present invention can be suitably used for allogeneic transplantation such as allogeneic transplantation.
- cells having the ability to regenerate elastic fibers are used, and a medium that is completely free of xenogeneic animal components is used, so that elasticity that is suitably used for allogeneic syngeneic transplantation. Fiber is obtained.
- the artificial elastic fiber of the present invention also contains elastic fiber components other than D AN CE and / or fibu 1 in 1 (for example, elastin, lysyloxide) (L OX), lysyloxidase-like 1-4 (LOX L 1-4), LT BP 2 and 4, fibrillin 1-3, EM ILIN 1 and 2, MAG P 1 and 2), and others Ingredients (eg, betaig—h 3, 67 kD elastin binding protein) may be included.
- elastic fiber components other than D AN CE and / or fibu 1 in 1 for example, elastin, lysyloxide) (L OX), lysyloxidase-like 1-4 (LOX L 1-4), LT BP 2 and 4, fibrillin 1-3, EM ILIN 1 and 2, MAG P 1 and 2), and others Ingredients (eg, betaig—h 3, 67 kD elastin binding protein) may be included.
- the artificial elastic fiber of the present invention can be further provided in a form involving cells having the ability to regenerate elastic fibers (that is, a composite comprising the artificial elastic fiber of the present invention and cells having the ability to regenerate elastic fibers).
- a form involving cells having the ability to regenerate elastic fibers that is, a composite comprising the artificial elastic fiber of the present invention and cells having the ability to regenerate elastic fibers.
- the culture obtained by the method of the present invention corresponds to such a form.
- the artificial fertile fiber of the present invention can also be provided as a form without cells having the ability to regenerate elastic fibers. Such a form can be obtained by a method known per se.
- the culture obtained by the method of the present invention is treated with cell removal treatment (for example, EDTA treatment), radiation (for example, ⁇ -ray) irradiation, cytopathic treatment (for example, freezing / thawing, lyophilization), etc.
- cell removal treatment for example, EDTA treatment
- radiation for example, ⁇ -ray
- cytopathic treatment for example, freezing / thawing, lyophilization
- the present invention further provides an artificial tissue including the elastic fiber.
- the artificial tissue containing elastic fibers include artificial skin, artificial blood vessels (for example, artificial blood vessels), artificial lungs, and artificial eclampsia, but artificial skin and artificial blood vessels are preferred.
- the artificial tissue of the present invention can be prepared by a method known per se (for example, Long, JL et al. (2003) Matrix biology 22 (4): 339-50, Muraguchi, T. et al., (1994) Plastic and Reconstructive Surgery 93 (3): See 537-44).
- the present invention also provides an elastic fiber regenerative agent containing a substance that promotes the expression of DAN CE and / or f i b u 1in-4 (protein) or DAN C E and or f i b u 1 iin-4.
- the substance that promotes the expression of D ANC E is not particularly limited as long as it enables the expression of D ANC E, and examples thereof include a DAN CE expression vector, a DAN CE inducer, and a DAN CE inducer expression vector.
- the substance that promotes the expression of fibu 1 in-4 is not particularly limited as long as it enables the expression of fibu 1 in-4, and examples thereof include a fibu 1 in-4 expression vector.
- the regenerative agent of the present invention can be used by combining an arbitrary carrier, for example, a pharmaceutically acceptable carrier, with a state or disease in which elastic fiber regeneration is desired, such as emphysema, vascular injury, skin laxity, wound To prevent, treat or ameliorate elastic fiber degradation (eg caused by aging or UV rays), rough skin, arteriosclerosis, aortic aneurysm, age-related macular degeneration, perineal hernia, anal hernia Useful for beauty purposes such as removing slack and wrinkles.
- the regulator of the present invention is also useful as a cell culture reagent having the ability to regenerate elastic fibers.
- Examples of pharmaceutically acceptable carriers include sucrose, starch, mant, sonorebit, lactose, gnolecose, cellulose, tanolec, phosphate, calcium carbonate, excipients such as cellulose, Binders such as methylcellulose, hydroxypropylene cellulose, polypropylpyrrolidone, gelatin, arabia gum, polyethylene glycol, sucrose, starch, starch, canolepoxymethinorescenole mouthwater, hydroxypropyl starch, sodium-glycol Luster starch, sodium bicarbonate, calcium phosphate, calcium kennate and other disintegrants, magnesium stearate, air mouth gill, talc, lubricants such as sodium lauryl sulfate, citrate, menthol, glycyrrhizin ammonium salt, Fragrances such as glycine and orange powder, sodium benzoate, sodium bisulfite, methylparaben, propylparaben and other preservative
- Preparations suitable for oral administration include solutions in which an effective amount of ligand is dissolved in a diluent such as water, physiological saline, orange juice, capsules containing an effective amount of the ligand as a solid or granule, and a sachet. Or a tablet in which an effective amount of ligand is suspended in an appropriate dispersion medium, an emulsion in which a solution in which an effective amount of ligand is dissolved is dispersed in an appropriate dispersion medium, and the like.
- a diluent such as water, physiological saline, orange juice
- capsules containing an effective amount of the ligand as a solid or granule and a sachet.
- a tablet in which an effective amount of ligand is suspended in an appropriate dispersion medium
- an emulsion in which a solution in which an effective amount of ligand is dissolved is dispersed in an appropriate dispersion medium, and the like.
- Formulations suitable for parenteral administration include aqueous and non-aqueous isotonic sterile injection solutions. May contain antioxidants, buffers, antibacterial agents, isotonic agents and the like.
- Aqueous and non-aqueous sterile suspensions can also be mentioned, which may contain suspending agents, solubilizers, thickeners, stabilizers, preservatives and the like.
- the preparation can be enclosed in a unit dose or multiple doses like ampoules and vials.
- the active ingredient and a pharmaceutically acceptable carrier can be lyophilized and stored in a state where it can be dissolved or suspended in a suitable sterile vehicle immediately before use.
- the dose of the preparation of the present invention varies depending on the type of active ingredient, activity, severity of disease, animal species to be administered, drug acceptability of the administration target, body weight, age, etc.
- the amount of active ingredient per day is about 0.05 to about 100 mg Z kg.
- the present invention further includes any material used in the method of the present invention, such as serum-free medium, DANCE expression vector and FNO or fibu 1 in-4 expression vector, DANCE expression vector and Z or fibu 1 in — 4 expression.
- a cell into which a vector has been introduced is provided.
- DMEM Dulbecco's Modif ied Eagle Medium
- DMEM / F12 Ham's Nutrient Mixture F12
- BSA Bovine Serum Albumin
- FI3165 was purchased from Sigma and fetal bovine serum (FBS) was purchased from JRH Bioscience.
- the anti-mouse DANCE antibody BSYN1923 was prepared by immunizing a rabbit with a synthetic peptide corresponding to mouse DANCE 76-98 amino acids, and was affinity purified using a column to which the antigen peptide was immobilized.
- Anti-Myc (9E10) antibody was purchased from Santa Cruz.
- Polyclonal nanoanti-elastin antibody (PR533) was purchased from Elast in Products Company, INC. Anti-rabbit Al exa Fluor 488 antibody, anti-mouse Al exa Fluor 546 3 ⁇ 4ni body f. Microscope Cover Glass was purchased from Fisherbrand force, and Vectashiel d was purchased from Vector labolatori es.
- a human DANCE stable expression cell line was prepared using 293T cells and a DANCE expression vector, and recombinant DANCE was purified from the culture supernatant using Ni-NTA agarose (Qiagen), and then desalted column (Amersham) For desalting.
- Human fibroblasts were donated by Kyoto University Hospital Plastic Surgery. 24 Place Cover Glass on the bottom of the well plate and seed 7.5 x 10 4 human fibroblasts per well on top of it, 10 ° /. They were incubated at 37 ° C, 5% C0 2 at the added DMEM medium FBS. 30 After washing with PBS, change to DMEM / F12 medium without added FBS, purified DANCE protein, truncated DANCE protein 4 ⁇ g / ml, Alternatively, FBS was added. Subsequently incubated at 37 ° C, 5% C0 2 , fixed to 1 day 4, immunostaining was performed.
- Fibroblasts are cultured from neonatal DANCE knockout mice (see Nature 415: 171 -175 (2002)) and their control litter skin, labeled with 35 S-Met and Cys for 24 hours, and then cultured. The supernatant was immunoprecipitated with BSYN antibody. Immunoprecipitates were developed by SDS-PAGE and detected by autography.
- a human DANCE cDNA with FLAG tag and 6XHis tag at the end of carboxyxyl was transfected into 293T cells to establish a stable expression strain. From 800 ml of the serum-free culture supernatant, recombinant DANCE was purified using Ni_NTA agarose (Qiagen), developed on SDS-PAGE, and stained with Coomasie-Blue. Of the two major bands, the band corresponding to the truncated DANCE was excised, and the N-terminal amino acid sequence was analyzed by Edman degradation.
- N-terminal amino acid sequence of the truncated DANCE was consistent with the amino acid sequence of the 78th and subsequent amino acids of DANCE.
- this low molecular weight protein was thought to be produced by cleavage between the 7th and 7th amino acids of DANCE.
- Reference Example 3 DANCE cleavage is inhibited by a serine protease inhibitor.
- Human DANCE cDNA with FLAG tag and 6XHis tag at the carboxyl terminus is transferred to 293T cells in serum-free medium containing cysteine protease inhibitor (E64) or serine protease inhibitor (Aprotune).
- E64 cysteine protease inhibitor
- Aprotune serine protease inhibitor
- the cultured protein was cultured for 48 hours and precipitated from the culture supernatant using Ni-NTA agarose.
- the recombinant protein was developed by SDS-PAGE, and Western blotting was performed with anti-FLAG M2 antibody.
- mutant DANCE with C-terminal FLAG, 6 X Hi s tag
- normal type DANCE with C-terminal FLAG, 6 X Hi s tag
- DANCE protein can induce elastic fiber form J3 ⁇ 4 in bloodless culture, seeded human skin fibroblasts to become confluent, serum-free medium Alternatively, the medium was cultured for 2 weeks instead of a medium containing 10% fetal calf serum, and the formation of elastic fibers was examined by immunostaining with an anti-elastin antibody.
- lysyloxydase inhibitor BAPN (beta-aminopropionitri le) is combined with full-length DANCE.
- elastic fibers were not formed due to inhibition of elastin cross-linking.
- the added DANCE protein was distributed fibrously. In other words, it is considered that elastin is not required for DANCE to be distributed in a fibrous form.
- fibul in-4 protein can induce fertile fiber formation in serum-free culture
- the method of the present invention is useful for convenient and efficient regeneration of elastic fibers that retain normal structure. Since the method of the present invention does not require serum, it is useful for producing an artificial tissue (for example, artificial skin, artificial blood vessel) containing elastic fibers on the premise of transplantation into humans. Furthermore, since the method of the present invention does not require the use of serum, it is useful as an experimental system for identifying factors necessary for elastic fiber formation and regeneration.
- the elastic fiber regenerative agent of the present invention is useful as a cell culture reagent, or as a cosmetic or pharmaceutical agent.
- the method of the present invention it is possible to easily and efficiently regenerate elastic fibers that retain a normal structure. Since the method of the present invention does not require serum, an artificial tissue containing elastic fibers (for example, artificial skin and artificial blood vessel) can be prepared on the premise of transplantation into human. Furthermore, since the method of the present invention does not require the use of serum, it can be used as an experimental system for identifying factors necessary for elastic fiber formation / regeneration.
- the elastic fiber regenerative agent of the present invention can be used as a cell culture reagent, or as a cosmetic or pharmaceutical agent.
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JP2007501548A JP5032973B2 (ja) | 2005-02-07 | 2006-01-23 | Danceまたはその発現を増強する因子による弾性線維再生の方法 |
EP06712536.9A EP1860182B1 (en) | 2005-02-07 | 2006-01-23 | Method of regenerating elastic fiber with the use of dance or factor enhancing the expression thereof |
US11/815,690 US9074175B2 (en) | 2005-02-07 | 2006-01-23 | Method of regenerating elastic fiber with the use of dance or factor enhancing the expression thereof |
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JP2005030864 | 2005-02-07 | ||
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Cited By (9)
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JP2011026236A (ja) * | 2009-07-24 | 2011-02-10 | Kansai Medical Univ | 弾性線維再生剤、弾性線維の再生方法およびスクリーニング方法 |
US7887581B2 (en) | 2000-07-20 | 2011-02-15 | Multi-Gene Vascular Systems, Ltd. | Methods of hemodialysis utilizing grafts coated with cells expressing human fibulin-5 |
US8022195B2 (en) | 2000-07-20 | 2011-09-20 | Multi-Gene Vascular Systems, Ltd. | Vectors encoding cell growth and adhesion factors for simultaneous growth and adhesion of cells |
JP2011193931A (ja) * | 2010-03-17 | 2011-10-06 | Gunze Ltd | Danceタンパク質含有組織再生用基材 |
JP2011212437A (ja) * | 2010-03-17 | 2011-10-27 | Gunze Ltd | Danceタンパク質含有徐放基材及び該徐放基材の製造方法 |
JP2013035808A (ja) * | 2011-08-10 | 2013-02-21 | Rohto Pharmaceutical Co Ltd | Ltbp−4産生促進剤 |
JP2013035807A (ja) * | 2011-08-10 | 2013-02-21 | Rohto Pharmaceutical Co Ltd | 弾性線維形成促進剤 |
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JP2017537934A (ja) * | 2014-12-07 | 2017-12-21 | ヴェッスル セラピューティクス リミテッド | ケロイド瘢痕を処置するためのフィビュリン−5の使用 |
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US20100166677A1 (en) | 2008-12-30 | 2010-07-01 | Avon Products, Inc. | Use of Tiliacora Triandra in Cosmetics and Compositions Thereof |
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WO1998059035A2 (en) * | 1997-06-25 | 1998-12-30 | The Goverment Of The United States Of America, Represented By The Secretary, Dept. Of Health And Human Services, National Institutes Of Health | Serum-free cell growth medium |
DE10042484A1 (de) | 2000-08-29 | 2002-03-28 | Merck Patent Gmbh | Verfahren zur Herstellung von humanen Knorpelimplantaten mittels in vitro gezüchteter Chondrozyten |
EP1416791B1 (en) | 2001-08-14 | 2006-05-24 | FrankGen Biotechnologie AG | An animal model exhibiting cancer, pulmonary emphysema and cardiomyopathy |
JP2003052360A (ja) * | 2001-08-20 | 2003-02-25 | Japan Science & Technology Corp | 基底膜細胞外基質を用いた間葉系幹細胞の培養方法 |
JP2003235548A (ja) | 2001-12-13 | 2003-08-26 | Japan Science & Technology Corp | ヒト細胞の培養用培地および培養方法 |
WO2003050273A1 (fr) | 2001-12-13 | 2003-06-19 | Japan Science And Technology Agency | Milieu de culture pour des cellules humaines et methode de culture |
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2006
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- 2006-01-23 WO PCT/JP2006/301372 patent/WO2006082763A1/ja active Application Filing
- 2006-01-23 US US11/815,690 patent/US9074175B2/en not_active Expired - Fee Related
- 2006-01-23 JP JP2007501548A patent/JP5032973B2/ja not_active Expired - Fee Related
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JP2013035808A (ja) * | 2011-08-10 | 2013-02-21 | Rohto Pharmaceutical Co Ltd | Ltbp−4産生促進剤 |
JP2013035807A (ja) * | 2011-08-10 | 2013-02-21 | Rohto Pharmaceutical Co Ltd | 弾性線維形成促進剤 |
JP2017537934A (ja) * | 2014-12-07 | 2017-12-21 | ヴェッスル セラピューティクス リミテッド | ケロイド瘢痕を処置するためのフィビュリン−5の使用 |
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JP5032973B2 (ja) | 2012-09-26 |
JPWO2006082763A1 (ja) | 2008-06-26 |
EP1860182A4 (en) | 2009-08-12 |
US20090012273A1 (en) | 2009-01-08 |
EP1860182A1 (en) | 2007-11-28 |
EP1860182B1 (en) | 2014-05-07 |
US9074175B2 (en) | 2015-07-07 |
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