1,491 results found
    1. Cancer Biology
    2. Cell Biology

    The integrated stress response remodels the microtubule-organizing center to clear unfolded proteins following proteotoxic stress

    Brian Hurwitz, Nicola Guzzi ... Elaine Fuchs
    In response to proteotoxic stress, squamous cell carcinoma cells hijack the integrated stress response to promote recovery by bolstering protection of microtubule dynamics.
    1. Genetics and Genomics

    Distinct mitochondrial defects trigger the integrated stress response depending on the metabolic state of the cell

    Eran Mick, Denis V Titov ... Vamsi K Mootha
    Mitochondrial electron transport chain dysfunction triggers the integrated stress response due to an asparagine deficiency downstream of impaired NADH oxidation in proliferating myoblasts, but not in differentiated myotubes.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A point mutation in the nucleotide exchange factor eIF2B constitutively activates the integrated stress response by allosteric modulation

    Morgane Boone, Lan Wang ... Michael Schoof
    Genetically induced conformational modulation of eIF2B activates the Integrated Stress Response by impairing nucleotide exchange.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Pharmacological dimerization and activation of the exchange factor eIF2B antagonizes the integrated stress response

    Carmela Sidrauski, Jordan C Tsai ... Peter Walter
    A drug-like molecule called ISRIB, which activates the translation initiation factor eIF2B, antagonizes stress responses as diverse as protein misfolding and nutrient deprivation, and restores protein synthesis, enhancing memory.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Actin dynamics tune the integrated stress response by regulating eukaryotic initiation factor 2α dephosphorylation

    Joseph E Chambers, Lucy E Dalton ... Stefan J Marciniak
    Monomeric actin forms a crucial component of the eIF2α holophosphatase linking the integrated stress response to actin polymeric status.
    1. Developmental Biology

    Inhibiting the integrated stress response pathway prevents aberrant chondrocyte differentiation thereby alleviating chondrodysplasia

    Cheng Wang, Zhijia Tan ... Kathryn Song Eng Cheah
    Integrated stress response-induced expression of ATF4 and its transactivation of SOX9 causes aberrant chondrocyte differentiation and skeletal defects which can be alleviated by modulating initiation-factor eIF2α phosphorylation translation control.
    1. Cancer Biology

    MARCH5 mediates NOXA-dependent MCL1 degradation driven by kinase inhibitors and integrated stress response activation

    Seiji Arai, Andreas Varkaris ... Steven P Balk
    MARCH5 mediates a pathway driving MCL1 degradation in response to cellular stress, which sensitizes to BH3 mimetic drugs targeting BCLXL and provides a broadly effective therapeutic strategy for solid tumors.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    TASEP modelling provides a parsimonious explanation for the ability of a single uORF to derepress translation during the integrated stress response

    Dmitry E Andreev, Maxim Arnold ... Pavel V Baranov
    A model reveals how translation of an mRNA leader could provide resistance to global downregulation of translation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    eIF2B conformation and assembly state regulate the integrated stress response

    Michael Schoof, Morgane Boone ... Peter Walter
    eIF2-P activates the integrated stress response by inducing a conformational change in eIF2B that decreases substrate (eIF2) binding and reduces eIF2B's catalytic activity.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Quantitative H2S-mediated protein sulfhydration reveals metabolic reprogramming during the integrated stress response

    Xing-Huang Gao, Dawid Krokowski ... Maria Hatzoglou
    ATF4, the master regulator of transcription during the Integrated Stress Response (ISR), causes global changes in cysteine sulfhydration of proteins and this event causes cellular metabolic reprogramming.

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