Discovery of 2-(4-methylfuran-2(5H)-ylidene)malononitrile and thieno[3,2-b]thiophene-2-carboxylic acid derivatives as G protein-coupled receptor 35 (GPR35) agonists.

作者: Huayun Deng , Haibei Hu , Mingqian He , Jieyu Hu , Weijun Niu

DOI: 10.1021/JM200999F

关键词: Carboxylic acidBeta-ArrestinsMalononitrileAgonistG-Protein Coupled Receptor 35StereochemistryGPR35Structure–activity relationshipChemistryZaprinast

摘要: Screening with dynamic mass redistribution (DMR) assays in a native cell line HT-29 led to identification of two novel series chemical compounds, 2-(4-methylfuran-2(5H)-ylidene)malononitrile and thieno[3,2-b]thiophene-2-carboxylic acid derivatives, as GPR35 agonists. Of these, 2-(3-cyano-5-(3,4-dichlorophenyl)-4,5-dimethylfuran-2(5H)-ylidene)malononitrile (YE120) 6-bromo-3-methylthieno[3,2-b]thiophene-2-carboxylic (YE210) were found be the most potent agonists an EC50 32.5 ± 1.7 nM 63.7 4.1 nM, respectively. Both exhibited better potency than that zaprinast, known agonist. DMR antagonist assays, knockdown interference RNA, receptor internalization Tango β-arrestin translocation confirmed agonist activity these ligands is specific GPR35. The present study provides starting point for further investigations biology pharmacology.

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