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Bioorg Med Chem. 2011 Oct 15;19(20):6055-68. doi: 10.1016/j.bmc.2011.08.048. Epub 2011 Aug 25.

Lead identification of β-lactam and related imine inhibitors of the molecular chaperone heat shock protein 90.

Author information

  • 1School of Pharmacy and Pharmaceutical Sciences, Centre for Synthesis and Chemical Biology, Trinity College Dublin, Dublin 2, Ireland. oboyleni@tcd.ie

Abstract

Heat shock protein 90 is an emerging target for oncology therapeutics. Inhibitors of this molecular chaperone, which is responsible for the maintenance of a number of oncogenic proteins, have shown promise in clinical trials and represent a new and exciting area in the treatment of cancer. Heat shock protein 90 inhibitors have huge structural diversity, and here we present the lead identification of novel inhibitors based on β-lactam and imine templates. β-Lactam 5 and imines 12 and 18 exhibit binding to heat shock protein 90-α with IC(50) values of 5.6 μM, 14.5 μM, and 22.1 μM, respectively. The binding affinity displayed by these compounds positions them as lead compounds for the design of future inhibitors of heat shock protein 90 based on the β-lactam and imine templates.

Copyright © 2011 Elsevier Ltd. All rights reserved.

PMID:
21920765
[PubMed - indexed for MEDLINE]
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