Cited by 1,121Endoplasmic Reticulum Stress and DiseaseAutophagy in Disease and TherapyIon Channels and Receptors

UPR, autophagy, and mitochondria crosstalk underlies the ER stress response

Open access
Senft, Daniela, Ronai, Ze’ev A.·2015·Trends in Biochemical Sciences

Abstract

Cellular stress, induced by external or internal cues, activates several well-orchestrated processes aimed at either restoring cellular homeostasis or committing to cell death. Those processes include the unfolded protein response (UPR), autophagy, hypoxia, and mitochondrial function, which are part of the global endoplasmic reticulum (ER) stress (ERS) response. When one of the ERS elements is impaired, as often occurs under pathological conditions, overall cellular homeostasis may be perturbed. Further, activation of the UPR could trigger changes in mitochondrial function or autophagy, which could modulate the UPR, exemplifying crosstalk processes. Among the numerous factors that control the magnitude or duration of these processes are ubiquitin ligases, which govern overall cellular stress outcomes. Here we summarize crosstalk among the fundamental processes governing ERS responses.

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Crossref · 10.1016/j.tibs.2015.01.002

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90 of 90 references verified0 citation errors · 0 not checkable

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  • C. albicans cells utilize the UPR pathway to mitigate or manage ER stress, and it plays a crucial role in restoring homeostasis and normal ER function.

    “To mitigate or manage ER stress, C. albicans cells utilize the UPR pathway, which plays a crucial role in restoring homeostasis and normal ER function [41].”

    From Disruption of the UPC2 Gene Enhances Fluconazole Antifungal Activity by Inhibiting HAC1 mRNA Splicing in Candida albicans (2026) · cites this paper as [41]

    In “ER stress, an overview” (page not available), the paper says the UPR is part of the cellular response to ER stress and plays a critical role in restoring homeostasis. It does not identify C. albicans as the cells using that pathway, so the species-specific part of the claim is not supported by this copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Disruptions in ER homeostasis, such as accumulation of misfolded proteins or disturbances in Ca2+ signaling, activate the UPR pathway, an adaptive signaling pathway aimed at restoring proteostasis.

    “Disruptions in ER homeostasis, such as the accumulation of misfolded proteins or disturbances in Ca2+ signaling, activate the UPR pathway, an adaptive signaling pathway aimed at restoring proteostasis [41].”

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Authors
Senft, D., & Ronai, Z. A.
Affiliations
Sanford Burnham Prebys Medical Discovery Institute (US)
Corresponding author
  • Senft, Daniela
  • Ronai, Ze’ev A.
Venue
Trends in Biochemical Sciences
Publisher
Elsevier BV
Published
2015-03
Volume
40
Issue
3
Pages
141-148
ISSN
0968-0004 (ISSN-L)
OpenAlex
W2019263782
Cited by
1,121
References
90
Citations by year
2026: 84 · 2025: 116 · 2024: 113 · 2023: 148 · 2022: 130 · 2021: 107 · 2020: 105 · 2019: 95 · 2018: 72 · 2017: 70 · 2016: 61 · 2015: 20
FWCI
7.45
Type
journal article
Language
en
Open access
Locations
  • Trends in Biochemical Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (P01CA128814, CA-128814, P30CA030199)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
Keywords
unfolded protein response, autophagy, mitochondrial function, endoplasmic reticulum stress, ubiquitin ligase, cellular stress response, cell death, cellular homeostasis
MeSH terms
Animals, Autophagy, Cell Physiological Phenomena, Humans, Mitochondria, Stress, Physiological, Unfolded Protein Response, Endoplasmic Reticulum Stress

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