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The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

PERK-dependent Activation of Nrf2 Contributes to Redox Homeostasis and Cell Survival following Endoplasmic Reticulum Stress

Open access
Cullinan, Sara B., Diehl, J. Alan·2004·Journal of Biological Chemistry

Abstract

The accumulation of unfolded proteins elicits a cellular response that triggers both pro-survival and pro-apoptotic signaling events. PERK-dependent activation of NF-E2-related factor-2 (Nrf2) is critical for survival signaling during this response; however, the mechanism whereby Nrf2 confers a protective advantage to stressed cells remains to be defined. We now demonstrate that Nrf2 activation contributes to the maintenance of glutathione levels, which in turn functions as a buffer for the accumulation of reactive oxygen species during the unfolded protein response. The deleterious effects of Nrf2 or PERK deficiencies could be attenuated by the restoration of cellular glutathione levels or Nrf2 activity. In addition, the inhibition of reactive oxygen species production attenuated apoptotic induction following endoplasmic reticulum stress. Our data suggest that perturbations in cellular redox status sensitize cells to the harmful effects of endoplasmic reticulum stress, but that other factors are essential for apoptotic commitment.

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Metadata

Authors
Cullinan, S. B., & Diehl, J. A.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2004-05
Volume
279
Issue
19
Pages
20108-20117
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1996826558
Cited by
744
References
6
FWCI
5.94
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: PERK-dependent Activation of Nrf2 Contributes to Redox Homeostasis and Cell Survival following Endoplasmic Reticulum Stress. https://app.cochat.ai/papers/10.1074/jbc.m314219200
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Cullinan, S. B., & Diehl, J. A. (2004). PERK-dependent Activation of Nrf2 Contributes to Redox Homeostasis and Cell Survival following Endoplasmic Reticulum Stress. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m314219200

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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