ПАТЕНТНЫЙ ПОИСК В РФ
НОВЫЕ ПАТЕНТЫ, ЗАЯВКИ НА ПАТЕНТ
БИБЛИОТЕКА ПАТЕНТОВ НА ИЗОБРЕТЕНИЯ

Method of immunizing animal, composition for immunization, method for producing antibody, method for producing hybridoma and method for producing monoclonal antibody

Патентный поиск по классам МПК-8:

Класс A61K48/00 Лекарственные препараты, содержащие генетический материал, который включен в клетки живого организма для лечения генетических заболеваний; для генной терапии

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Классы МПК:A61K48/00 Лекарственные препараты, содержащие генетический материал, который включен в клетки живого организма для лечения генетических заболеваний; для генной терапии
C12N5/04 клетки или ткани растений
C12N15/06 клетки животных
Автор(ы): Chiba, Joe (Yokohama, JP)
Hata, Jun-ichi (Gotenba, JP)
Nishiguchi, Naoki (Mishima-gun, JP)
Furutani, Masahiro (Takatsuki, JP)
Патентообладатель(и): Joe Chiba (Kanagawa, JP)
Sekisui Chemical Co., Ltd. (Osaka, JP)
Приоритеты:
подача заявки
14.10.2005
публикация патента
08.01.2013

РЕФЕРАТ (Abstract)

It is an object of the present invention to a method whereby a humoral immune response is induced more efficiently in producing an antibody against an antigen protein by gene immunization. A fusion gene composed of a gene encoding the full-length of a part of the antigen protein or a gene encoding a chaperonin subunit or a chaperonin subunit linkage linked thereto is administered to express the fusion gene in the animal, thereby inducing a humoral immune response to an antigen protein by administering. An example of the chaperonin includes Escherichia coli GroEL. There is also provided with a composition for immunization, a method for producing an antibody, a method for producing a hybridoma, and a method for producing a monoclonal antibody.
Полный текст Патента US 8349807 + PDF


ФОРМУЛА ИЗОБРЕТЕНИЯ (CLAIMS)

The invention claimed is:

1. A method for producing an antibody, comprising the steps of: immunizing an animal by administering a fusion gene to an animal, the fusion gene being composed of a gene encoding the full-length or a part of an antigen protein, the antigen protein being one selected from the group consisting of a G protein-coupled receptor, an ion channel-linked receptor, and a tyrosine kinase-type receptor, and a gene encoding one selected from a chaperonin subunit and a chaperonin subunit linkage linked thereto, so as to express the fusion gene in the animal to induce a humoral immune response to the antigen protein, so that an antibody against the antigen protein is produced in the animal; and obtaining the antibody from the animal by isolation from serum.

2. The method as defined in claim 1, wherein the one selected from the chaperonin subunit and the chaperonin subunit linkage is derived from Escherichia coli.

3. The method as defined in claim 1, wherein the fusion gene is integrated into an expression vector and expressed under control of a promoter on the expression vector.

4. The method as defined in claim 3, wherein the promoter is one selected from the group consisting of a CMV promoter, an AML promoter, an SV40 promoter, an SRα promoter, and an EF-1α promoter.

5. The method as defined in claim 3, wherein the expression vector contains a CpG motif.

6. The method as defined in claim 1, wherein the animal is one selected from a mammal and a bird.

7. The method as defined in claim 6, wherein the mammal is one selected from the group consisting of a mouse, a rat, a rabbit, a bovine, a horse, a dog, a cat, a goat, a sheep, and a pig.

8. The method as defined in claim 6, wherein the bird is one selected from the group consisting of a chicken, a duck, and a turkey.

9. The method as defined in claim 1, wherein the one selected from the chaperonin subunit and the chaperonin subunit linkage is derived from bacteria.

10. A method for producing a hybridoma, comprising the steps of: immunizing an animal by administering a fusion gene to an animal, the fusion gene being composed of a gene encoding the full-length or a part of an antigen protein, the antigen protein being one selected from the group consisting of a G protein-coupled receptor, an ion channel-linked receptor, and a tyrosine kinase-type receptor, and a gene encoding one selected from a chaperonin subunit and a chaperonin subunit linkage linked thereto, so as to express the fusion gene in the animal to induce a humoral immune response to the antigen protein; obtaining an immunocyte from the animal; and fusing the immunocyte and a myeloma, so as to prepare a hybridoma producing an antibody against the antigen protein.

11. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 10; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

12. The method as defined in claim 10, wherein the one selected from the chaperonin subunit and the chaperonin subunit linkage is derived from bacteria.

13. The method as defined in claim 10, wherein the one selected from the chaperonin subunit and the chaperonin subunit linkage is derived from Escherichia coli.

14. The method as defined in claim 10, wherein the fusion gene is integrated into an expression vector and expressed under control of a promoter on the expression vector.

15. The method as defined in claim 14, wherein the promoter is one selected from the group consisting of a CMV promoter, an AML promoter, an SV40 promoter, an SRα promoter, and an EF-1α promoter.

16. The method as defined in claim 14, wherein the expression vector contains a CpG motif.

17. The method as defined in claim 10, wherein the animal is one selected from a mammal and a bird.

18. The method as defined in claim 17, wherein the mammal is one selected from the group consisting of a mouse, a rat, a rabbit, a bovine, a horse, a dog, a cat, a goat, a sheep, and a pig.

19. The method as defined in claim 17, wherein the bird is one selected from the group consisting of a chicken, a duck and a turkey.

20. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 12; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

21. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 13; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

22. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 14; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

23. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 15; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

24. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 16; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

25. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 17; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

26. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 18; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

27. A method for producing a monoclonal antibody, comprising the steps of: culturing the hybridoma produced by the method as defined in claim 19; and obtaining a monoclonal antibody against the antigen protein from the culture of the hybridoma.

28. A method for producing a monoclonal antibody, comprising the steps of: immunizing an animal by administering a fusion gene to an animal, the fusion gene being composed of a gene encoding the full-length or a part of an antigen protein, the antigen protein being one selected from the group consisting of a G protein-coupled receptor, an ion channel-linked receptor, and a tyrosine kinase-type receptor, and a gene encoding one selected from a chaperonin subunit and a chaperonin subunit linkage linked thereto, so as to express the fusion gene in the animal to induce a humoral immune response to the antigen protein; preparing mRNA against an antibody from the animal; and preparing cDNA from the mRNA used as a template, so that a monoclonal antibody against the antigen protein is prepared by a phage display method using the cDNA.


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