How do J-proteins get Hsp70 to do so many different things?

EA Craig, J Marszalek - Trends in biochemical sciences, 2017 - cell.com
Hsp70 chaperone machineries have pivotal roles in an array of fundamental biological
processes through their facilitation of protein folding, disaggregation, and remodeling. The …

Molecular chaperones: a double-edged sword in neurodegenerative diseases

J Tittelmeier, E Nachman… - Frontiers in aging …, 2020 - frontiersin.org
Aberrant accumulation of misfolded proteins into amyloid deposits is a hallmark in many age-
related neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's …

Pi-Pi contacts are an overlooked protein feature relevant to phase separation

RMC Vernon, PA Chong, B Tsang, TH Kim, A Bah… - elife, 2018 - elifesciences.org
Protein phase separation is implicated in formation of membraneless organelles, signaling
puncta and the nuclear pore. Multivalent interactions of modular binding domains and their …

The S/T-rich motif in the DNAJB6 chaperone delays polyglutamine aggregation and the onset of disease in a mouse model

V Kakkar, C Månsson, EP de Mattos, S Bergink… - Molecular cell, 2016 - cell.com
Expanded CAG repeats lead to debilitating neurodegenerative disorders characterized by
aggregation of proteins with expanded polyglutamine (polyQ) tracts. The mechanism of …

DNA methylation study of Huntington's disease and motor progression in patients and in animal models

AT Lu, P Narayan, MJ Grant, P Langfelder… - Nature …, 2020 - nature.com
Although Huntington's disease (HD) is a well studied Mendelian genetic disorder, less is
known about its associated epigenetic changes. Here, we characterize DNA methylation …

DNAJ Proteins in neurodegeneration: essential and protective factors

C Zarouchlioti, DA Parfitt, W Li… - … of the Royal …, 2018 - royalsocietypublishing.org
Maintenance of protein homeostasis is vitally important in post-mitotic cells, particularly
neurons. Neurodegenerative diseases such as polyglutamine expansion disorders—like …

Hsp70 molecular chaperones: multifunctional allosteric holding and unfolding machines

EM Clerico, W Meng, A Pozhidaeva… - Biochemical …, 2019 - portlandpress.com
The Hsp70 family of chaperones works with its co-chaperones, the nucleotide exchange
factors and J-domain proteins, to facilitate a multitude of cellular functions. Central players in …

A fluorescent multi-domain protein reveals the unfolding mechanism of Hsp70

S Tiwari, B Fauvet, S Assenza, P De Los Rios… - Nature Chemical …, 2023 - nature.com
Detailed understanding of the mechanism by which Hsp70 chaperones protect cells against
protein aggregation is hampered by the lack of a comprehensive characterization of the …

Proximity proteomics of C9orf72 dipeptide repeat proteins identifies molecular chaperones as modifiers of poly-GA aggregation

F Liu, D Morderer, MC Wren… - Acta Neuropathologica …, 2022 - Springer
The most common inherited cause of two genetically and clinico-pathologically overlap**
neurodegenerative diseases, amyotrophic lateral sclerosis (ALS) and frontotemporal …

Differential roles for DNAJ isoforms in HTT-polyQ and FUS aggregation modulation revealed by chaperone screens

K Rozales, A Younis, N Saida, A Meller… - Nature …, 2022 - nature.com
Protein aggregation is a hallmark of neurodegeneration. Here, we find that Huntington's
disease-related HTT-polyQ aggregation induces a cellular proteotoxic stress response …