Cited by 38Telomeres, Telomerase, and SenescenceGenomics and Chromatin DynamicsNuclear Structure and Function

The functional impact of nuclear reorganization in cellular senescence

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Rocha, Azucena, Dalgarno, Audrey, Neretti, Nicola·2022·Briefings in Functional Genomics

Abstract

Cellular senescence is the irreversible cell cycle arrest in response to DNA damage. Because senescent cells accumulate with age and contribute to chronic inflammation, they are promising therapeutic targets for healthspan extension. The senescent phenotype can vary depending on cell type and on the specific insults that induce senescence. This variability is also reflected in the extensive remodeling of the genome organization within the nucleus of senescent cells. Here, we give an overview of the nuclear changes that occur in different forms of senescence, including changes to chromatin state and composition and to the three-dimensional organization of the genome, as well as alterations to the nuclear envelope and to the accessibility of repetitive genomic regions. Many of these changes are shared across all forms of senescence, implicating nuclear organization as a fundamental driver of the senescent state and of how senescent cells interact with the surrounding tissue.

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Authors
Rocha, A., Dalgarno, A., & Neretti, N.
Affiliations
Brown University (US)
Corresponding author
Neretti, Nicola
Venue
Briefings in Functional Genomics
Published
2021-03-23
Volume
21
Issue
1
Pages
24-34
ISSN
  • 2041-2647 (ISSN-L)
  • 2041-2649
  • 2041-2657
OpenAlex
W3137176315
Cited by
38
References
134
Citations by year
2026: 2 · 2025: 8 · 2024: 10 · 2023: 14 · 2022: 3 · 2021: 1
FWCI
0.93
Type
journal article
Language
en
Open access
Locations
  • Briefings in Functional Genomics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Institutes of Health (T32AG041688, T32GM128596, R01AG050582)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
Keywords
cellular senescence, nuclear reorganization, chromatin state, 3D genome organization, nuclear envelope, repetitive DNA, DNA damage response, healthspan extension, chronic inflammation, senescent cells
MeSH terms
Cell Nucleus, Chromatin, Cellular Senescence, Genomics

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