1,177 results found
    1. Cell Biology

    Selective clearance of the inner nuclear membrane protein emerin by vesicular transport during ER stress

    Abigail Buchwalter, Roberta Schulte ... Martin Hetzer
    Emerin, a protein that plays key roles in nuclear organization, can be dynamically degraded in response to environmental stimuli such as ER stress.
    1. Genetics and Genomics

    fmo-4 promotes longevity and stress resistance via ER to mitochondria calcium regulation in C. elegans

    Angela M Tuckowski, Safa Beydoun ... Scott F Leiser
    fmo-4 slows aging downstream of dietary restriction and mTOR and regulates calcium-mediated signaling in the hypodermis.
    1. Cell Biology

    The proteasome biogenesis regulator Rpn4 cooperates with the unfolded protein response to promote ER stress resistance

    Rolf M Schmidt, Julia P Schessner ... Sebastian Schuck
    Endoplasmic reticulum stress in yeast activates not only the UPR but also Rpn4, promoting the clearance of misfolded proteins from the cytosol as part of a modular cross-compartment stress response.
    1. Cell Biology

    A sphingolipid-dependent diffusion barrier confines ER stress to the yeast mother cell

    Lori Clay, Fabrice Caudron ... Yves Barral
    Sphingolipids govern the compartmentalization of yeast cells through the assembly of lateral diffusion barriers in ER membranes.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Pre-existing bilayer stresses modulate triglyceride accumulation in the ER versus lipid droplets

    Valeria Zoni, Rasha Khaddaj ... Stefano Vanni
    In parallel to protein-driven processes, characteristic physicochemical properties of the endoplasmic reticulum membrane modulate intracellular fat accumulation and lipid droplet formation.
    1. Cell Biology

    Experimental reconstitution of chronic ER stress in the liver reveals feedback suppression of BiP mRNA expression

    Javier A Gomez, D Thomas Rutkowski
    Feedback mechanisms that contribute to the deactivation of the unfolded protein response lead to the dysregulation of mRNA expression during chronic stress in the liver, including that of the critical endoplasmic reticulum chaperone BiP.
    1. Cell Biology

    A motor neuron disease-associated mutation produces non-glycosylated Seipin that induces ER stress and apoptosis by inactivating SERCA2b

    Shunsuke Saito, Tokiro Ishikawa ... Kazutoshi Mori
    When non-glycosylated, Seipin, which spans the endoplasmic reticulum (ER) membrane twice, forms aggregates in an oligomerization-dependent manner, distorts the shape of the ER, and incorporates SERCA2b via direct interaction, inactivation of which results in induction of ER stress and apoptosis.
    1. Biochemistry and Chemical Biology
    2. Medicine

    Covalent inhibition of endoplasmic reticulum chaperone GRP78 disconnects the transduction of ER stress signals to inflammation and lipid accumulation in diet-induced obese mice

    Dan Luo, Ni Fan ... Jianhui Rong
    Celastrol covalently inhibited the chaperone activity of GRP78 and could disconnect the transduction of ER stress signal to downstream inflammatory response and lipid metabolism.
    1. Cell Biology

    Ceapins inhibit ATF6α signaling by selectively preventing transport of ATF6α to the Golgi apparatus during ER stress

    Ciara M Gallagher, Peter Walter
    Ceapins specifically inhibit ATF6α signaling by preventing its transport to the Golgi during endoplasmic reticulum stress.
    1. Cell Biology

    The ER Stress Surveillance (ERSU) pathway regulates daughter cell ER protein aggregate inheritance

    Francisco J Piña, Maho Niwa
    Endoplasmic reticulum (ER) inheritance regulation during ER stress controls the transmission of misfolded ER proteins from mother to daughter cell in budding yeast.

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