Spatially organized aggregation of misfolded proteins as cellular stress defense strategy

SBM Miller, A Mogk, B Bukau - Journal of molecular biology, 2015 - Elsevier
An evolutionary conserved response of cells to proteotoxic stress is the organized
sequestration of misfolded proteins into subcellular deposition sites. In Saccharomyces …

Ubiquitin-dependent protein degradation at the yeast endoplasmic reticulum and nuclear envelope

D Zattas, M Hochstrasser - Critical Reviews in Biochemistry and …, 2015 - Taylor & Francis
The endoplasmic reticulum (ER) is the primary organelle in eukaryotic cells where
membrane and secreted proteins are inserted into or across cell membranes. Its membrane …

Compartment‐specific aggregases direct distinct nuclear and cytoplasmic aggregate deposition

SBM Miller, CT Ho, J Winkler, M Khokhrina… - The EMBO …, 2015 - embopress.org
Disruption of the functional protein balance in living cells activates protective quality control
systems to repair damaged proteins or sequester potentially cytotoxic misfolded proteins into …

[HTML][HTML] The unexpected role of polyubiquitin chains in the formation of fibrillar aggregates

D Morimoto, E Walinda, H Fukada, YS Sou… - Nature …, 2015 - nature.com
Ubiquitin is known to be one of the most soluble and stably folded intracellular proteins, but
it is often found in inclusion bodies associated with various diseases including …

[HTML][HTML] DNAJs: more than substrate delivery to HSPA

SL Dekker, HH Kampinga, S Bergink - Frontiers in molecular …, 2015 - frontiersin.org
Proteins are essential components of cellular life, as building blocks, but also to guide and
execute all cellular processes. Proteins require a three-dimensional folding, which is …

[HTML][HTML] The protein quality control machinery regulates its misassembled proteasome subunits

LZ Peters, O Karmon, G David-Kadoch, R Hazan… - PLoS …, 2015 - journals.plos.org
Cellular toxicity introduced by protein misfolding threatens cell fitness and viability. Failure to
eliminate these polypeptides is associated with various aggregation diseases. In …

Roles of intramolecular and intermolecular interactions in functional regulation of the Hsp70 J-protein co-chaperone Sis1

HY Yu, T Ziegelhoffer, J Osipiuk, SJ Ciesielski… - Journal of molecular …, 2015 - Elsevier
Unlike other Hsp70 molecular chaperones, those of the eukaryotic cytosol have four
residues, EEVD, at their C-termini. EEVD (Hsp70) binds adaptor proteins of the Hsp90 …

[HTML][HTML] Isoform-selective genetic inhibition of constitutive cytosolic Hsp70 activity promotes client tau degradation using an altered co-chaperone complement

SN Fontaine, JN Rauch, BA Nordhues… - Journal of Biological …, 2015 - ASBMB
The constitutively expressed heat shock protein 70 kDa (Hsc70) is a major chaperone
protein responsible for maintaining proteostasis, yet how its structure translates into …

Screening strategies to identify HSP70 modulators to treat Alzheimer's disease

J Repalli, D Meruelo - Drug design, development and therapy, 2015 - Taylor & Francis
Alzheimer's disease, the most common type of dementia, is a progressive brain disease that
destroys cognitive function and eventually leads to death. In patients with Alzheimer's …

Dynamic droplets: the role of cytoplasmic inclusions in stress, function, and disease

T Amen, D Kaganovich - Cellular and molecular life sciences, 2015 - Springer
Neurodegenerative diseases and other proteinopathies constitute a class of several dozen
illnesses etiologically linked to pathological protein misfolding and aggregation. Because of …