申请人:Ishiguro Hiroki
公开号:US20070191402A1
公开(公告)日:2007-08-16
The present invention provides a screening method of a substance which inhibits binding of a condensed purine derivative to a pancreatic β cell or a treated product of the cell, a substance which inhibits binding of a condensed purine derivative to a protein capable of the condensed purine derivative, and a substance which inhibits the expression or enzymatic activity of a protein capable of a condensed purine derivative, which comprises using the condensed purine derivative and a pancreatic β cell or a treated product of the cell or a protein capable of binding to the condensed purine derivative.