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Current Topics in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1568-0266
ISSN (Online): 1873-4294

Hsp90 Inhibition with Resorcylic Acid Lactones (RALs)

Author(s): Nicolas Winssinger, Jean-Gonzague Fontaine and Sofia Barluenga

Volume 9, Issue 15, 2009

Page: [1419 - 1435] Pages: 17

DOI: 10.2174/156802609789895665

Price: $65

Abstract

Heat shock protein 90 (Hsp90) is an ATP-dependent chaperone which is involved in the post-translational maturation and stabilization of over one hundred proteins (“its clients”). In the absence of Hsp90s chaperoning, its clients are misfolded and degraded via ubiquitin-proteasome pathway. HSP90 has become the focus of intense drug discovery efforts as its activity has been implicated in diverse pathologies ranging from oncology to neurodegenerative and infectious diseases. The most promising inhibitors reported to date inhibit the ATPase activity by binding to the Nterminal ATP pocket. Radicicol, a member of the resorcylic acid lactones (RALs), represents an important pharmacophore to this end. Efforts towards the development of this pharmacophore and its SAR are reviewed herein.

Keywords: Hsp90, resorcylic


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