The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 03, 1998

Filed:

May. 26, 1995
Applicant:
Inventors:

Tatsuo Miyamura, Tokyo, JP;

Izumu Saito, Tokyo, JP;

Shizuko Harada, Shinagawa, JP;

Yoshiharu Matsuura, Saitama, JP;

Joe Chiba, Fugisawa-shi, Kanagawa- 252, JP;

Assignees:

National Institute of Health, Tokyo, JP;

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ; G01N / ; C07K / ;
U.S. Cl.
CPC ...
435-5 ; 435-71 ; 435 693 ; 435 701 ; 435 9133 ; 436501 ; 436543 ; 530350 ; 930223 ;
Abstract

A hepatitis C virus antigen polypeptide having a molecular weight of approximately 22 kilodaltons expressed from a hepatitis C virus structural gene region; a production method for a hepatitis C virus antigen polypeptide having a molecular weight of 22 kilodaltons and/or a peptide related thereto, wherein an expression vector having inserted thereinto a cDNA fragment of a hepatitis C virus structural gene region is inserted into a cultured cell line and the transfected cell line thus obtained is cultured; and a detection method for a hepatitis C virus antibody, wherein a hepatitis C virus antigen polypeptide is used as an antigen, and an antibody specific thereto is detected.


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