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. 10, 2015

Filed:

Aug. 30, 2011
Applicants:

Soichi Kojima, Wako, JP;

Mitsuko Hara, Wako, JP;

Takehisa Matsumoto, Yokohama, JP;

Daisuke Takaya, Yokohama, JP;

Inventors:

Soichi Kojima, Wako, JP;

Mitsuko Hara, Wako, JP;

Takehisa Matsumoto, Yokohama, JP;

Daisuke Takaya, Yokohama, JP;

Assignee:

Riken, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 39/00 (2006.01); A61K 39/395 (2006.01); C12N 9/99 (2006.01); C07K 16/28 (2006.01); C07K 16/40 (2006.01); C12Q 1/37 (2006.01);
U.S. Cl.
CPC ...
C12N 9/99 (2013.01); C07K 16/2863 (2013.01); C07K 16/40 (2013.01); C12Q 1/37 (2013.01); C07K 2317/76 (2013.01); G01N 2500/02 (2013.01); C07K 2317/34 (2013.01);
Abstract

An object is to provide a compound capable of inhibiting activation of TGF-β receptors due to HCV, and a screening method for the compound. It has been found that a HCV-derived NS3 protease binds to type I TGF-β receptor, and this binding results in activation of TGF-β receptors. Moreover, binding sites between the NS3 protease and type I TGF-β receptor were identified, and it has been found that antibodies recognizing these binding sites inhibit activation of TGF-β receptors due to NS3 protease. Furthermore, it has been also found that screening for a compound capable of inhibiting activation of TGF-β receptors can be performed by using the inhibition of the binding between NS3 protease and type I TGF-β receptor or the like as an index.


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