Search Results - "HARDING, Heather P"
-
1
Selective Inhibition of a Regulatory Subunit of Protein Phosphatase 1 Restores Proteostasis
Published in Science (American Association for the Advancement of Science) (01-04-2011)“…Many biological processes are regulated through the selective dephosphorylation of proteins. Protein serine-threonine phosphatases are assembled from catalytic…”
Get full text
Journal Article -
2
Mutations in a translation initiation factor identify the target of a memory-enhancing compound
Published in Science (American Association for the Advancement of Science) (29-05-2015)“…The integrated stress response (ISR) modulates messenger RNA translation to regulate the mammalian unfolded protein response (UPR), immunity, and memory…”
Get full text
Journal Article -
3
A J-Protein Co-chaperone Recruits BiP to Monomerize IRE1 and Repress the Unfolded Protein Response
Published in Cell (14-12-2017)“…When unfolded proteins accumulate in the endoplasmic reticulum (ER), the unfolded protein response (UPR) increases ER-protein-folding capacity to restore…”
Get full text
Journal Article -
4
Higher-order phosphatase–substrate contacts terminate the integrated stress response
Published in Nature structural & molecular biology (01-10-2021)“…Many regulatory PPP1R subunits join few catalytic PP1c subunits to mediate phosphoserine and phosphothreonine dephosphorylation in metazoans. Regulatory…”
Get full text
Journal Article -
5
Binding of ISRIB reveals a regulatory site in the nucleotide exchange factor eIF2B
Published in Science (American Association for the Advancement of Science) (30-03-2018)“…The integrated stress response (ISR) is a conserved translational and transcriptional program affecting metabolism, memory, and immunity. The ISR is mediated…”
Get full text
Journal Article -
6
The ribosomal P-stalk couples amino acid starvation to GCN2 activation in mammalian cells
Published in eLife (21-11-2019)“…The eukaryotic translation initiation factor 2α (eIF2α) kinase GCN2 is activated by amino acid starvation to elicit a rectifying physiological program known as…”
Get full text
Journal Article -
7
molecular basis for selective inhibition of unconventional mRNA splicing by an IRE1-binding small molecule
Published in Proceedings of the National Academy of Sciences - PNAS (10-04-2012)“…IRE1 couples endoplasmic reticulum unfolded protein load to RNA cleavage events that culminate in the sequence-specific splicing of the Xbp1 mRNA and in the…”
Get full text
Journal Article -
8
Ppp1r15 gene knockout reveals an essential role for translation initiation factor 2 alpha (eIF2α) dephosphorylation in mammalian development
Published in Proceedings of the National Academy of Sciences - PNAS (10-02-2009)“…Diverse cellular stress responses are linked to phosphorylation of serine 51 on the alpha subunit of translation initiation factor 2. The resultant attenuation…”
Get full text
Journal Article -
9
Paradoxical Sensitivity to an Integrated Stress Response Blocking Mutation in Vanishing White Matter Cells
Published in PloS one (03-11-2016)“…The eukaryotic translation initiation factor eIF2B promotes mRNA translation as a guanine nucleotide exchange factor (GEF) for translation initiation factor 2…”
Get full text
Journal Article -
10
Cargo receptor-assisted endoplasmic reticulum export of pathogenic α1-antitrypsin polymers
Published in Cell reports (Cambridge) (18-05-2021)“…Circulating polymers of α1-antitrypsin (α1AT) are neutrophil chemo-attractants and contribute to inflammation, yet cellular factors affecting their secretion…”
Get full text
Journal Article -
11
Translation Reinitiation at Alternative Open Reading Frames Regulates Gene Expression in an Integrated Stress Response
Published in The Journal of cell biology (11-10-2004)“…Stress-induced eukaryotic translation initiation factor 2 (eIF2) α phosphorylation paradoxically increases translation of the metazoan activating transcription…”
Get full text
Journal Article -
12
A genome-wide CRISPR/Cas9 screen identifies calreticulin as a selective repressor of ATF6α
Published in eLife (29-07-2024)“…Activating transcription factor 6 (ATF6) is one of three endoplasmic reticulum (ER) transmembrane stress sensors that mediate the unfolded protein response…”
Get full text
Journal Article -
13
CHOP induces death by promoting protein synthesis and oxidation in the stressed endoplasmic reticulum
Published in Genes & development (15-12-2004)“…Unfolded and malfolded client proteins impose a stress on the endoplasmic reticulum (ER), which contributes to cell death in pathophysiological conditions. The…”
Get full text
Journal Article -
14
Role for the obesity-related FTO gene in the cellular sensing of amino acids
Published in Proceedings of the National Academy of Sciences - PNAS (12-02-2013)“…SNPs in the first intron of FTO (fat mass and obesity associated) are strongly associated with human obesity. While it is not yet formally established that…”
Get full text
Journal Article -
15
Oligodendrocyte-specific activation of PERK signaling protects mice against experimental autoimmune encephalomyelitis
Published in The Journal of neuroscience (03-04-2013)“…There is compelling evidence that oligodendrocyte apoptosis, in response to CNS inflammation, contributes significantly to the development of the demyelinating…”
Get full text
Journal Article -
16
Flavonol Activation Defines an Unanticipated Ligand-Binding Site in the Kinase-RNase Domain of IRE1
Published in Molecular cell (23-04-2010)“…Signaling in the most conserved branch of the endoplasmic reticulum (ER) unfolded protein response (UPR) is initiated by sequence-specific cleavage of the…”
Get full text
Journal Article -
17
Infancy‐onset diabetes caused by de‐regulated AMPylation of the human endoplasmic reticulum chaperone BiP
Published in EMBO molecular medicine (08-03-2023)“…Dysfunction of the endoplasmic reticulum (ER) in insulin‐producing beta cells results in cell loss and diabetes mellitus. Here we report on five individuals…”
Get full text
Journal Article -
18
Ubiquitin-like protein 5 positively regulates chaperone gene expression in the mitochondrial unfolded protein response
Published in Genetics (Austin) (01-09-2006)“…Perturbation of the protein-folding environment in the mitochondrial matrix selectively upregulates the expression of nuclear genes encoding mitochondrial…”
Get full text
Journal Article -
19
Targeting the unfolded protein response in disease
Published in Nature reviews. Drug discovery (01-09-2013)“…Key Points The endoplasmic reticulum (ER) is the main organelle involved in protein folding, and different perturbations to its function lead to the…”
Get full text
Journal Article -
20
Lifetime imaging of a fluorescent protein sensor reveals surprising stability of ER thiol redox
Published in The Journal of cell biology (15-04-2013)“…Interfering with disulfide bond formation impedes protein folding and promotes endoplasmic reticulum (ER) stress. Due to limitations in measurement techniques,…”
Get full text
Journal Article