Directed discovery of agents targeting the Met tyrosine kinase domain by virtual screening
Journal of medicinal chemistry, 2009•ACS Publications
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 …
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 …
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 IC50 values. The predicted binding modes and target selectivity of these compounds are discussed and compared to other known Met TK inhibitors.
ACS Publications
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