Cited by 447Heat shock proteins researchUbiquitin and proteasome pathwaysProtein Structure and Dynamics

The Hsp90 molecular chaperone: an open and shut case for treatment

Open access
Pearl, Laurence H., Prodromou, Chrisostomos, Workman, Paul·2008·Biochemical Journal

Abstract

The 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.

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Registry

Crossref · 10.1042/bj20071640

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176 of 176 references verified0 citation errors · 0 not checkable

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Authors
Pearl, L. H., Prodromou, C., & Workman, P.
Affiliations
Institute of Cancer Research (GB)
Corresponding author
Prodromou, Chrisostomos
Venue
Biochemical Journal
Published
2008-02-27
Volume
410
Issue
3
Pages
439-453
ISSN
  • 0264-6021 (ISSN-L)
  • 1470-8728
OpenAlex
W2052701304
Cited by
447
References
176
Citations by year
2026: 3 · 2025: 7 · 2024: 9 · 2023: 18 · 2022: 14 · 2021: 13 · 2020: 14 · 2019: 18 · 2018: 7 · 2017: 17 · 2016: 12 · 2015: 23 · 2014: 29 · 2013: 41 · 2012: 43
FWCI
4.70
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Biochemical Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
Wellcome Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
HSP90, molecular chaperones, client proteins, protein stabilization, proteasomal degradation, signal transduction, chromatin remodeling, epigenetic regulation, Hsp90 co-chaperone, ATP binding and hydrolysis, structure-function relationship, Hsp90 inhibitors, cancer therapy
MeSH terms
Adenosine Triphosphate, Animals, Humans, Hydrolysis, Protein Conformation, HSP90 Heat-Shock Proteins

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