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Biochem Biophys Res Commun. 2008 Jan 4;365(1):22-8. Epub 2007 Oct 31.

Production and characterization of a monoclonal antibody against GPR40 (FFAR1; free fatty acid receptor 1).

Author information

1
Department of Genomic Drug Discovery Science, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-shimo-adachi-cho, Sakyo-ku, Kyoto 606-8501, Japan. akira_h@pharm.kyoto-u.ac.jp

Abstract

GPR40 is G protein-coupled receptor whose endogenous ligands have recently been identified as free fatty acids (FFAs), and it has been implicated to play an important role in FFA-mediated enhancement of glucose-stimulated insulin release. We have developed a monoclonal antibody against the extracellular domain of GPR40. Specificity of the antibody was demonstrated by immunoprecipitation and cell surface staining using GPR40-transfected cells. GPR40 immunoreactivity was highly abundant in mouse pancreatic beta-cells and splenocytes, THP-1 cells, and human peripheral blood mononuclear cells. The anti-GPR40 monoclonal antibody should prove valuable for further studying the function of this nutrient sensing receptor.

PMID:
17980148
DOI:
10.1016/j.bbrc.2007.10.142
[Indexed for MEDLINE]

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