[HTML][HTML] Stress-responsive regulation of extracellular proteostasis

JS Mesgarzadeh, JN Buxbaum… - The Journal of Cell …, 2022 - ncbi.nlm.nih.gov
Genetic, environmental, and aging-related insults can promote the misfolding and
subsequent aggregation of secreted proteins implicated in the pathogenesis of numerous …

Modulation of amyloid states by molecular chaperones

A Wentink… - Cold Spring Harbor …, 2019 - cshperspectives.cshlp.org
Aberrant protein aggregation is a defining feature of most neurodegenerative diseases.
During pathological aggregation, key proteins transition from their native state to alternative …

The extracellular protein, transthyretin is an oxidative stress biomarker

M Sharma, S Khan, S Rahman, LR Singh - Frontiers in physiology, 2019 - frontiersin.org
The extracellular protein, transthyretin is responsible for the transport of thyroxin and retinol
binding protein complex to the various parts of the body. In addition to this transport function …

Regulating secretory proteostasis through the unfolded protein response: from function to therapy

L Plate, RL Wiseman - Trends in cell biology, 2017 - cell.com
Imbalances in secretory proteostasis induced by genetic, environmental, or aging-related
insults are pathologically associated with etiologically diverse protein misfolding diseases …

Chemical biology framework to illuminate proteostasis

RM Sebastian, MD Shoulders - Annual review of biochemistry, 2020 - annualreviews.org
Protein folding in the cell is mediated by an extensive network of> 1,000 chaperones, quality
control factors, and trafficking mechanisms collectively termed the proteostasis network …

Mechanistic basis for the recognition of a misfolded protein by the molecular chaperone Hsp90

J Oroz, JH Kim, BJ Chang, M Zweckstetter - Nature structural & …, 2017 - nature.com
The critical toxic species in over 40 human diseases are misfolded proteins. Their interaction
with molecular chaperones such as Hsp90, which preferentially interacts with metastable …

The endoplasmic reticulum HSP 40 co‐chaperone ER dj3/DNAJB 11 assembles and functions as a tetramer

KC Chen, S Qu, S Chowdhury, IC Noxon… - The EMBO …, 2017 - embopress.org
ER dj3/DNAJB 11 is an endoplasmic reticulum (ER)‐targeted HSP 40 co‐chaperone that
performs multifaceted functions involved in coordinating ER and extracellular proteostasis …

Heat shock protein Hspa13 regulates endoplasmic reticulum and cytosolic proteostasis through modulation of protein translocation

MF Espinoza, KK Nguyen, MM Sycks, Z Lyu… - Journal of Biological …, 2022 - ASBMB
Most eukaryotic secretory proteins are cotranslationally translocated through Sec61 into the
endoplasmic reticulum (ER). Because these proteins have evolved to fold in the ER, their …

ATF6 activation reduces amyloidogenic transthyretin secretion through increased interactions with endoplasmic reticulum proteostasis factors

JS Mesgarzadeh, IC Romine, EM Smith-Cohen… - Cells, 2022 - mdpi.com
The extracellular aggregation of destabilized transthyretin (TTR) variants is implicated in the
onset and pathogenesis of familial TTR-related amyloid diseases. One strategy to reduce …

PERK signaling regulates extracellular proteostasis of an amyloidogenic protein during endoplasmic reticulum stress

IC Romine, RL Wiseman - Scientific reports, 2019 - nature.com
The PERK arm of the unfolded protein response (UPR) regulates cellular proteostasis and
survival in response to endoplasmic reticulum (ER) stress. However, the impact of PERK …