[HTML][HTML] Mechanisms and pathology of protein misfolding and aggregation

N Louros, J Schymkowitz, F Rousseau - Nature Reviews Molecular Cell …, 2023 - nature.com
Despite advances in machine learning-based protein structure prediction, we are still far
from fully understanding how proteins fold into their native conformation. The conventional …

NMR spectroscopy captures the essential role of dynamics in regulating biomolecular function

TR Alderson, LE Kay - Cell, 2021 - cell.com
Biomolecules are in constant motion. To understand how they function, and why
malfunctions can cause disease, it is necessary to describe their three-dimensional …

A cytosolic surveillance mechanism activates the mitochondrial UPR

FXR Sutandy, I Gößner, G Tascher, C Münch - Nature, 2023 - nature.com
The mitochondrial unfolded protein response (UPRmt) is essential to safeguard
mitochondria from proteotoxic damage by activating a dedicated transcriptional response in …

The AAA+ chaperone VCP disaggregates Tau fibrils and generates aggregate seeds in a cellular system

I Saha, P Yuste-Checa, M Da Silva Padilha… - Nature …, 2023 - nature.com
Amyloid-like aggregates of the microtubule-associated protein Tau are associated with
several neurodegenerative disorders including Alzheimer's disease. The existence of …

[HTML][HTML] Heat-shock chaperone HSPB1 regulates cytoplasmic TDP-43 phase separation and liquid-to-gel transition

S Lu, J Hu, OA Arogundade, A Goginashvili… - Nature cell …, 2022 - nature.com
While acetylated, RNA-binding-deficient TDP-43 reversibly phase separates within nuclei
into complex droplets (anisosomes) comprised of TDP-43-containing liquid outer shells and …

Hsp70 in redox homeostasis

H Zhang, W Gong, S Wu, S Perrett - Cells, 2022 - mdpi.com
Cellular redox homeostasis is precisely balanced by generation and elimination of reactive
oxygen species (ROS). ROS are not only capable of causing oxidation of proteins, lipids and …

[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 …

Exerkine fibronectin type-III domain-containing protein 5/irisin-enriched extracellular vesicles delay vascular ageing by increasing SIRT6 stability

C Chi, H Fu, YH Li, GY Zhang, FY Zeng… - European Heart …, 2022 - academic.oup.com
Aims Exercise confers protection against cardiovascular ageing, but the mechanisms remain
largely unknown. This study sought to investigate the role of fibronectin type-III domain …

Emerging roles of O-glycosylation in regulating protein aggregation, phase separation, and functions

X Li, Y Du, X Chen, C Liu - Current Opinion in Chemical Biology, 2023 - Elsevier
Protein O-glycosylation is widely identified in various proteins involved in diverse biological
processes. Recent studies have demonstrated that O-glycosylation plays crucial and …

The self-association equilibrium of DNAJA2 regulates its interaction with unfolded substrate proteins and with Hsc70

L Velasco-Carneros, J Cuéllar, L Dublang… - Nature …, 2023 - nature.com
J-domain proteins tune the specificity of Hsp70s, engaging them in precise functions.
Despite their essential role, the structure and function of many J-domain proteins remain …