Abstract:
:Hepatocyte growth factor (HGF) is an important regulator of normal development and homeostasis, and dysregulated signaling through the HGF receptor, Met, contributes to tumorigenesis, tumor progression, and metastasis in numerous human malignancies. The development of selective small-molecule inhibitors of oncogenic tyrosine kinases (TK) has led to well-tolerated, targeted therapies for a growing number of cancer types. To identify selective Met TK inhibitors, we used a high-throughput virtual screen of the 13.5 million compound ChemNavigator database to find compounds most likely to bind to the Met ATP binding site and to form several critical interactions with binding site residues predicted to stabilize the kinase domain in its inactive conformation. Subsequent biological screening of 70 in silico hit structures using cell-free and intact cell assays identified three active compounds with micromolar IC(50) values. The predicted binding modes and target selectivity of these compounds are discussed and compared to other known Met TK inhibitors.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Peach ML,Tan N,Choyke SJ,Giubellino A,Athauda G,Burke TR Jr,Nicklaus MC,Bottaro DPdoi
10.1021/jm800791fsubject
Has Abstractpub_date
2009-02-26 00:00:00pages
943-51issue
4eissn
0022-2623issn
1520-4804pii
10.1021/jm800791fjournal_volume
52pub_type
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