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 …

The functions and regulation of heat shock proteins; key orchestrators of proteostasis and the heat shock response

BJ Lang, ME Guerrero, TL Prince, Y Okusha… - Archives of …, 2021 - Springer
Cells respond to protein-damaging (proteotoxic) stress by activation of the Heat Shock
Response (HSR). The HSR provides cells with an enhanced ability to endure proteotoxic …

Structure of Hsp90–Hsp70–Hop–GR reveals the Hsp90 client-loading mechanism

RYR Wang, CM Noddings, E Kirschke, AG Myasnikov… - Nature, 2022 - nature.com
Maintaining a healthy proteome is fundamental for the survival of all organisms. Integral to
this are Hsp90 and Hsp70, molecular chaperones that together facilitate the folding …

Cryo-EM structure of the agonist-bound Hsp90-XAP2-AHR cytosolic complex

J Gruszczyk, L Grandvuillemin, J Lai-Kee-Him… - Nature …, 2022 - nature.com
The aryl hydrocarbon receptor (AHR) is a ligand-dependent transcription factor that
mediates a broad spectrum of (patho) physiological processes in response to numerous …

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 …

Structural elements in the flexible tail of the co-chaperone p23 coordinate client binding and progression of the Hsp90 chaperone cycle

MM Biebl, A Lopez, A Rehn, L Freiburger… - Nature …, 2021 - nature.com
The co-chaperone p23 is a central part of the Hsp90 machinery. It stabilizes the closed
conformation of Hsp90, inhibits its ATPase and is important for client maturation. Yet, how …

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 …

Advances towards understanding the mechanism of action of the Hsp90 complex

C Prodromou, DM Bjorklund - Biomolecules, 2022 - mdpi.com
Hsp90 (Heat Shock Protein 90) is an ATP (Adenosine triphosphate) molecular chaperone
responsible for the activation and maturation of client proteins. The mechanism by which …