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J Med Chem. 2012 Aug 23;55(16):7193-207. doi: 10.1021/jm300713s. Epub 2012 Aug 8.

Discovery of 7-methyl-5-(1-{[3-(trifluoromethyl)phenyl]acetyl}-2,3-dihydro-1H-indol-5-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (GSK2606414), a potent and selective first-in-class inhibitor of protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK).

Author information

1
Oncology Research, Protein Dynamics DPU, GlaxoSmithKline Research and Development, Collegeville, Pennsylvania 19426, United States. Jeffrey.M.Axten@gsk.com

Abstract

Protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) is activated in response to a variety of endoplasmic reticulum stresses implicated in numerous disease states. Evidence that PERK is implicated in tumorigenesis and cancer cell survival stimulated our search for small molecule inhibitors. Through screening and lead optimization using the human PERK crystal structure, we discovered compound 38 (GSK2606414), an orally available, potent, and selective PERK inhibitor. Compound 38 inhibits PERK activation in cells and inhibits the growth of a human tumor xenograft in mice.

PMID:
22827572
DOI:
10.1021/jm300713s
[Indexed for MEDLINE]

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