Structural and functional complexity of HSP90 in cellular homeostasis and disease

G Chiosis, CS Digwal, JB Trepel… - Nature Reviews Molecular …, 2023 - nature.com
Abstract Heat shock protein 90 (HSP90) is a chaperone with vital roles in regulating
proteostasis, long recognized for its function in protein folding and maturation. A view is …

Heat shock proteins: Biological functions, pathological roles, and therapeutic opportunities

C Hu, J Yang, Z Qi, H Wu, B Wang, F Zou, H Mei… - MedComm, 2022 - Wiley Online Library
The heat shock proteins (HSPs) are ubiquitous and conserved protein families in both
prokaryotic and eukaryotic organisms, and they maintain cellular proteostasis and protect …

Structure of Hsp90–p23–GR reveals the Hsp90 client-remodelling mechanism

CM Noddings, RYR Wang, JL Johnson, DA Agard - Nature, 2022 - nature.com
Hsp90 is a conserved and essential molecular chaperone responsible for the folding and
activation of hundreds of 'client'proteins,–. The glucocorticoid receptor (GR) is a model client …

The Hsp90 molecular chaperone governs client proteins by targeting intrinsically disordered regions

JA Kolhe, NL Babu, BC Freeman - Molecular cell, 2023 - cell.com
Molecular chaperones govern proteome health to support cell homeostasis. An essential
eukaryotic component of the chaperone system is Hsp90. Using a chemical-biology …

HSP70 and HSP90 in cancer: cytosolic, endoplasmic reticulum and mitochondrial chaperones of tumorigenesis

Z Albakova, Y Mangasarova, A Albakov… - Frontiers in …, 2022 - frontiersin.org
HSP70 and HSP90 are two powerful chaperone machineries involved in survival and
proliferation of tumor cells. Residing in various cellular compartments, HSP70 and HSP90 …

Cryo-EM reveals how Hsp90 and FKBP immunophilins co-regulate the glucocorticoid receptor

CM Noddings, JL Johnson, DA Agard - Nature Structural & Molecular …, 2023 - nature.com
Hsp90 is an essential molecular chaperone responsible for the folding and activation of
hundreds of 'client'proteins, including the glucocorticoid receptor (GR). Previously, we …

The structure of an Hsp90-immunophilin complex reveals cochaperone recognition of the client maturation state

K Lee, AC Thwin, CM Nadel, E Tse, SN Gates… - Molecular cell, 2021 - cell.com
The Hsp90 chaperone promotes folding and activation of hundreds of client proteins in the
cell through an ATP-dependent conformational cycle guided by distinct cochaperone …

[HTML][HTML] Cryo-EM structure of the cytosolic AhR complex

Z Wen, Y Zhang, B Zhang, Y Hang, L Xu, Y Chen, Q Xie… - Structure, 2023 - cell.com
Aryl hydrocarbon receptor (AhR) is an important ligand-activated transcription factor
involved in the regulation of various important physiological functions. Here, we report the …

NudC guides client transfer between the Hsp40/70 and Hsp90 chaperone systems

MM Biebl, F Delhommel, O Faust, KM Zak, G Agam… - Molecular cell, 2022 - cell.com
In the eukaryotic cytosol, the Hsp70 and the Hsp90 chaperone machines work in tandem
with the maturation of a diverse array of client proteins. The transfer of nonnative clients …

Structural transitions modulate the chaperone activities of Grp94

YS Amankwah, Y Fleifil, E Unruh… - Proceedings of the …, 2024 - National Acad Sciences
Hsp90s are ATP-dependent chaperones that collaborate with co-chaperones and Hsp70s to
remodel client proteins. Grp94 is the ER Hsp90 homolog essential for folding multiple …