The Hsp70 chaperone network

R Rosenzweig, NB Nillegoda, MP Mayer… - … reviews molecular cell …, 2019 - nature.com
The 70-kDa heat shock proteins (Hsp70s) are ubiquitous molecular chaperones that act in a
large variety of cellular protein folding and remodelling processes. They function virtually at …

Pathways of cellular proteostasis in aging and disease

CL Klaips, GG Jayaraj, FU Hartl - Journal of Cell Biology, 2018 - rupress.org
Ensuring cellular protein homeostasis, or proteostasis, requires precise control of protein
synthesis, folding, conformational maintenance, and degradation. A complex and adaptive …

Cellular handling of protein aggregates by disaggregation machines

A Mogk, B Bukau, HH Kam**a - Molecular cell, 2018 - cell.com
Both acute proteotoxic stresses that unfold proteins and expression of disease-causing
mutant proteins that expose aggregation-prone regions can promote protein aggregation …

Recent advances in the structural and mechanistic aspects of Hsp70 molecular chaperones

MP Mayer, LM Gierasch - Journal of Biological Chemistry, 2019 - ASBMB
Hsp70 chaperones are central hubs of the protein quality control network and collaborate
with co-chaperones having a J-domain (an∼ 70-residue–long helical hairpin with a flexible …

[HTML][HTML] Chaperones directly and efficiently disperse stress-triggered biomolecular condensates

H Yoo, JAM Bard, EV Pilipenko, DA Drummond - Molecular Cell, 2022 - cell.com
Stresses such as heat shock trigger the formation of protein aggregates and the induction of
a disaggregation system composed of molecular chaperones. Recent work reveals that …

Amyloid assembly and disassembly

E Chuang, AM Hori, CD Hesketh… - Journal of Cell …, 2018 - journals.biologists.com
Amyloid fibrils are protein homopolymers that adopt diverse cross-β conformations. Some
amyloid fibrils are associated with the pathogenesis of devastating neurodegenerative …

J-domain protein chaperone circuits in proteostasis and disease

R Zhang, D Malinverni, DM Cyr, P De Los Rios… - Trends in cell …, 2023 - cell.com
The J-domain proteins (JDP) form the largest protein family among cellular chaperones. In
cooperation with the Hsp70 chaperone system, these co-chaperones orchestrate a plethora …

Comprehensive interactome profiling of the human Hsp70 network highlights functional differentiation of J domains

BL Piette, N Alerasool, ZY Lin, J Lacoste, MHY Lam… - Molecular cell, 2021 - cell.com
Hsp70s comprise a deeply conserved chaperone family that has a central role in
maintaining protein homeostasis. In humans, Hsp70 client specificity is provided by 49 …

Protein disaggregation in multicellular organisms

NB Nillegoda, AS Wentink, B Bukau - Trends in biochemical sciences, 2018 - cell.com
Protein aggregates are formed in cells with profoundly perturbed proteostasis, where the
generation of misfolded proteins exceeds the cellular refolding and degradative capacity …

The Hsp70-chaperone machines in bacteria

MP Mayer - Frontiers in Molecular Biosciences, 2021 - frontiersin.org
The ATP-dependent Hsp70s are evolutionary conserved molecular chaperones that
constitute central hubs of the cellular protein quality surveillance network. None of the other …