A critical evaluation of protein kinase regulation by activation loop autophosphorylation

R Reinhardt, TA Leonard - Elife, 2023 - elifesciences.org
Phosphorylation of proteins is a ubiquitous mechanism of regulating their function,
localization, or activity. Protein kinases, enzymes that use ATP to phosphorylate protein …

Endoplasmic reticulum membrane homeostasis and the unfolded protein response

R Ernst, MF Renne, A Jain… - Cold Spring Harbor …, 2024 - cshperspectives.cshlp.org
The endoplasmic reticulum (ER) is the key organelle for membrane biogenesis. Most lipids
are synthesized in the ER, and most membrane proteins are first inserted into the ER …

The IRE1β-mediated unfolded protein response is repressed by the chaperone AGR2 in mucin producing cells

L Neidhardt, E Cloots, N Friemel, CAM Weiss… - The EMBO …, 2024 - embopress.org
Effector mechanisms of the unfolded protein response (UPR) in the endoplasmic reticulum
(ER) are well-characterised, but how ER proteostasis is sensed is less well understood …

MANF regulates neuronal survival and UPR through its ER-located receptor IRE1α

V Kovaleva, LY Yu, L Ivanova, O Shpironok, J Nam… - Cell Reports, 2023 - cell.com
Mesencephalic astrocyte-derived neurotrophic factor (MANF) is an endoplasmic reticulum
(ER)-located protein with cytoprotective effects in neurons and pancreatic β cells in vitro and …

Signaling by the integrated stress response kinase PKR is fine-tuned by dynamic clustering

F Zappa, NL Muniozguren, MZ Wilson… - Journal of Cell …, 2022 - rupress.org
The double-stranded RNA sensor kinase PKR is one of four integrated stress response
(ISR) sensor kinases that phosphorylate the α subunit of eukaryotic initiation factor 2 (eIF2α) …

[HTML][HTML] Exploring the IRE1 interactome: from canonical signaling functions to unexpected roles

S Le Goupil, H Laprade, M Aubry, E Chevet - Journal of Biological …, 2024 - Elsevier
The unfolded protein response (UPR) is a mechanism aiming at restoring endoplasmic
reticulum (ER) homeostasis and is likely involved in other adaptive pathways. The UPR is …

Chaperone-dependent mechanisms as a pharmacological target for neuroprotection

MV Voronin, EV Abramova, ER Verbovaya… - International Journal of …, 2023 - mdpi.com
Modern pharmacotherapy of neurodegenerative diseases is predominantly symptomatic
and does not allow vicious circles causing disease development to break. Protein misfolding …

Cutting through the stress: RNA decay pathways at the endoplasmic reticulum

F Ottens, S Efstathiou, T Hoppe - Trends in Cell Biology, 2023 - cell.com
The endoplasmic reticulum (ER) is central to the processing of luminal, transmembrane, and
secretory proteins, and maintaining a functional ER is essential for organismal physiology …

Emerging links between endoplasmic reticulum stress responses and acute kidney injury

AW Porter, JL Brodsky, TM Buck - American Journal of …, 2022 - journals.physiology.org
All cell types must maintain homeostasis under periods of stress. To prevent the catastrophic
effects of stress, all cell types also respond to stress by inducing protective pathways. Within …

BCL-2 modulates IRE1α activation to attenuate endoplasmic reticulum stress and pulmonary fibrosis

CJ Le Saux, TC Ho, AM Brumwell… - American Journal of …, 2024 - atsjournals.org
BCL-2 family members are known to be implicated in survival in numerous biological
settings. Here, we provide evidence that in injury and repair processes in lungs, BCL-2 …