Cited by 206Nuclear Structure and FunctionTelomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model Organisms

The DOI matches its Crossref record; 83 of the 84 references it cites were found in a registry or an index.

Oxidative stress induces an ATM‐independent senescence pathway through p38 MAPK‐mediated lamin B1 accumulation

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Barascu, Aurelia, Le Chalony, Catherine, Pennarun, Gaëlle, Genet, Diane, Imam, Naima, Lopez, Bernard, Bertrand, Pascale·2012·The EMBO Journal

Abstract

We report crosstalk between three senescence-inducing conditions, DNA damage response (DDR) defects, oxidative stress (OS) and nuclear shape alterations. The recessive autosomal genetic disorder Ataxia telangiectasia (A-T) is associated with DDR defects, endogenous OS and premature ageing. Here, we find frequent nuclear shape alterations in A-T cells, as well as accumulation of the key nuclear architecture component lamin B1. Lamin B1 overexpression is sufficient to induce nuclear shape alterations and senescence in wild-type cells, and normalizing lamin B1 levels in A-T cells reciprocally reduces both nuclear shape alterations and senescence. We further show that OS increases lamin B1 levels through p38 Mitogen Activated Protein kinase activation. Lamin B1 accumulation and nuclear shape alterations also occur during stress-induced senescence and oncogene-induced senescence (OIS), two canonical senescence situations. These data reveal lamin B1 as a general molecular mediator that controls OS-induced senescence, independent of established Ataxia Telangiectasia Mutated (ATM) roles in OIS.

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Metadata

Authors
Barascu, A., Le Chalony, C., Pennarun, G., Genet, D., Imam, N., Lopez, B., & Bertrand, P.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Bertrand, Pascale
Venue
The EMBO Journal
Published
2012-01-13
Volume
31
Issue
5
Pages
1080-1094
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W2160703969
Cited by
206
References
84
Citations by year
2026: 6 · 2025: 14 · 2024: 12 · 2023: 8 · 2022: 11 · 2021: 16 · 2020: 17 · 2019: 9 · 2018: 12 · 2017: 12 · 2016: 17 · 2015: 15 · 2014: 24 · 2013: 15 · 2012: 18
FWCI
9.25
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
oxidative stress, cellular senescence, ATM, lamin B1, p38 MAPK, ataxia telangiectasia, DNA damage response, stress-induced senescence, oncogene-induced senescence, nuclear organization, premature aging
MeSH terms
Aging, Cells, Cultured, Humans, Signal Transduction, Oxidative Stress, Lamin Type B, p38 Mitogen-Activated Protein Kinases

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