Cited by 459Telomeres, Telomerase, and SenescenceGenomics and Chromatin DynamicsEpigenetics and DNA Methylation

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Genomes of replicatively senescent cells undergo global epigenetic changes leading to gene silencing and activation of transposable elements

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Abstract

Summary: Replicative cellular senescence is an important tumor suppression mechanism and also contributes to aging. Progression of both cancer and aging include significant epigenetic components, but the chromatin changes that take place during cellular senescence are not known. We used formaldehyde assisted isolation of regulatory elements ( FAIRE ) to map genome‐wide chromatin conformations. In contrast to growing cells, whose genomes are rich with features of both open and closed chromatin, FAIRE profiles of senescent cells are significantly smoothened. This is due to FAIRE signal loss in promoters and enhancers of active genes, and FAIRE signal gain in heterochromatic gene‐poor regions. Chromatin of major retrotransposon classes, Alu, SVA and L1, becomes relatively more open in senescent cells, affecting most strongly the evolutionarily recent elements, and leads to an increase in their transcription and ultimately transposition. Constitutive heterochromatin in centromeric and peri‐centromeric regions also becomes relatively more open, and the transcription of satellite sequences increases. The peripheral heterochromatic compartment ( PHC ) becomes less prominent, and centromere structure becomes notably enlarged. These epigenetic changes progress slowly after the onset of senescence, with some, such as mobilization of retrotransposable elements becoming prominent only at late times. Many of these changes have also been noted in cancer cells.

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Metadata

Authors
De Cecco, M., Criscione, S. W., Peckham, E. J., Hillenmeyer, S., Hamm, E. A., Manivannan, J., Peterson, A. L., Kreiling, J. A., Neretti, N., & Sedivy, J. M.
Affiliations
  • Department of Molecular Biology, Cell Biology and Biochemistry, Center for Genomics and Proteomics Brown University Providence 02912 RI USA
  • Brown University (US)
Corresponding author
  • Neretti, Nicola
  • Sedivy, John M.
Venue
Aging Cell
Publisher
Wiley
Published
2013-01-30
Volume
12
Issue
2
Pages
247-256
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W2065557328
Cited by
459
References
51
Citations by year
2026: 21 · 2025: 41 · 2024: 51 · 2023: 34 · 2022: 38 · 2021: 42 · 2020: 43 · 2019: 33 · 2018: 34 · 2017: 30 · 2016: 29 · 2015: 25 · 2014: 24 · 2013: 12
FWCI
20.83
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (K25AG028753, R37AG016694, K01AG039410)
  • National Institute of General Medical Sciences (P30GM103410, P30 GM0103410, T32GM007601)
  • National Center for Research Resources (P20RR015578)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › 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 › Epigenetics and DNA Methylation
Keywords
epigenetic modifications, chromatin conformation, FAIRE, transposable elements, Alu elements, SVA elements, heterochromatin, centromere, satellite DNA, gene silencing, tumor suppression, aging
MeSH terms
Cells, Cultured, Centromere, DNA Transposable Elements, Fibroblasts, Formaldehyde, Heterochromatin, Humans, Transcription, Genetic, Gene Expression, Genome, Human, Cellular Senescence, Oligonucleotide Array Sequence Analysis, Gene Silencing, Euchromatin, Epigenesis, Genetic, Regulatory Elements, Transcriptional

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