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MetabolomicsRibosomal mistranslation leads to silencing of the unfolded protein response and increased mitochondrial biogenesis

Translation fidelity is the limiting factor in the accuracy of gene expression. With an estimated frequency of 10-4, errors in mRNA decoding occur in a mostly stochastic manner. Little is known about the response of higher eukaryotes to chronic loss of ribosomal accuracy as per an increase in the...

2019-09-17 | MTBLS106 | MetaboLights
MetabolomicsMetabolomics study for investigating chronic endoplasmic reticulum stress in Arabidopsis thaliana

The Unfolded Protein Response (UPR) is a retrograde, ER-to-nucleus, signalling pathway which is conserved across kingdoms. In plants, it contributes to development, reproduction, immunity and tolerance to abiotic stress. This metabolomic dataset was produced from 14-day-old Arabidopsis thaliana s...

2024-12-02 | MTBLS10096 | MetaboLights
MetabolomicsLipidomics study for investigating the role of the Unfolded Protein Response In Arabidopsis seed filling

The Unfolded Protein Response (UPR) is a retrograde, ER-to-nucleus, signalling pathway which is conserved across kingdoms. In plants, it contributes to development, reproduction, immunity and tolerance to abiotic stress. This lipidomic dataset was produced from Arabidopsis thaliana mature seeds. ...

2024-12-02 | MTBLS10597 | MetaboLights
MetabolomicsMetabolomics study for investigating the specific role of INOSITOL-REQUIRING ENZYME 1A and INOSITOL-REQUIRING ENZYME 1B under chronic endoplasmic reticulum stress in Arabidopsis thaliana

The Unfolded Protein Response (UPR) is a retrograde, ER-to-nucleus, signalling pathway which is conserved across kingdoms. In plants, it contributes to development, reproduction, immunity and tolerance to abiotic stress. This metabolomic dataset was produced from 14-day-old Arabidopsis thaliana s...

2024-12-02 | MTBLS10609 | MetaboLights
TranscriptomicsTranslational profiling in the unfolded protein response
The unfolded protein response (UPR) couples cellular translation rates and gene expression to the protein folding status of the endoplasmic reticulum (ER). Upon activation, the UPR machinery elicits a general suppression of protein synthesis and activation of stress gene expression, which act coordi...
ORGANISM(S): Mus musculus 
2014-08-28 | E-GEOD-53743 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of human cancer cells treated with unfolded protein response modulators under endoplasmic reticulum stress conditions
The unfolded protein response (UPR) is a cellular defense mechanism against glucose deprivation, a cell condition that occurs in solid tumors. A key feature of the UPR is the activation of the transcription program that allows the cell to cope with endoplasmic reticulum (ER) stress. We used micoarra...
ORGANISM(S): Homo sapiens 
2009-06-01 | E-GEOD-13548 | biostudies-arrayexpress
TranscriptomicsThe eIF2 kinase PERK and the integrated stress response facilitate activation of ATF6 during endoplasmic reticulum stress
Disruptions of the endoplasmic reticulum (ER) that perturb protein folding cause ER stress and elicit an unfolded protein response (UPR) that involves translational and transcriptional changes in gene expression aimed at expanding the ER processing capacity and alleviating cellular injury. Three ER ...
ORGANISM(S): Mus musculus 
2012-01-20 | E-GEOD-29929 | biostudies-arrayexpress
MetabolomicsER stress inhibits liver fatty acid oxidation while unmitigated stress leads to anorexia-induced lipolysis and both liver and kidney steatosis
The unfolded protein response (UPR), induced by endoplasmic reticulum (ER) stress, regulates the expression of factors that restore protein folding homeostasis. However, in the liver and kidney, ER stress also leads to lipid accumulation, accompanied at least in the liver by transcriptional suppress...
2017-06-23 | MTBLS472 | MetaboLights
TranscriptomicsThe unfolded protein response in fission yeast modulates stability of select mRNAs to maintain protein homeostasis
Homeostatic control mechanisms are essentil to life. One such mechanism, the unfolded protein response (UPR) operates in all eukarytic cells to adjust protein folding capacity of the endoplasmic reticulum (ER) according to need. UPR induction in all eurkarytic cells to date involves Ire1 (kinase/end...
ORGANISM(S): Schizosaccharomyces pombe 
2012-11-21 | E-GEOD-40298 | biostudies-arrayexpress
TranscriptomicsNuclear receptor LRH-1/NR5A2 is required and targetable for liver endoplasmic reticulum stress resolution.
Chronic endoplasmic reticulum (ER) stress results in toxicity that contributes to multiple human disorders. We report a stress resolution pathway initiated by the nuclear receptor LRH-1 that is independent of known unfolded protein response (UPR) pathways. Like mice lacking primary UPR components, h...
ORGANISM(S): Mus musculus 
2015-05-12 | E-GEOD-68718 | biostudies-arrayexpress
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