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The Hsp90 molecular chaperone: an open and shut case for treatment
journal contribution
posted on 2023-06-07, 23:40 authored by Laurence PearlLaurence Pearl, Chrisostomos ProdromouChrisostomos Prodromou, Paul WorkmanThe molecular chaperone Hsp90 (90 kDa heat-shock protein) is a remarkably versatile protein involved in the stress response and in normal homoeostatic control mechanisms. It interacts with 'client proteins', including protein kinases, transcription factors and others, and either facilitates their stabilization and activation or directs them for proteasomal degradation. By this means, Hsp90 displays a multifaceted ability to influence signal transduction, chromatin remodelling and epigenetic regulation, development and morphological evolution. Hsp90 operates as a dimer in a conformational cycle driven by ATP binding and hydrolysis at the N-terminus. The cycle is also regulated by a group of co-chaperones and accessory proteins. Here we review the biology of the Hsp90 molecular chaperone, emphasizing recent progress in our understanding of structure-function relationships and the identification of new client proteins. In addition we describe the exciting progress that has been made in the development of Hsp90 inhibitors, which are now showing promise in the clinic for cancer treatment. We also identify the gaps in our current understanding and highlight important topics for future research.
History
Publication status
- Published
Journal
Biochemical JournalISSN
0264-6021Publisher
Portland PressPublisher URL
External DOI
Volume
410Page range
439-453Department affiliated with
- Sussex Centre for Genome Damage Stability Publications
Notes
Part: Part 3Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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