Cited by 58Telomeres, Telomerase, and SenescenceGenomics and Chromatin DynamicsNuclear Structure and Function

Involvement of condensin in cellular senescence through gene regulation and compartmental reorganization

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Iwasaki, Osamu, Tanizawa, Hideki, Kim, Kyoung-Dong, Kossenkov, Andrew, Nacarelli, Timothy, Tashiro, Sanki, Majumdar, Sonali, Showe, Louise C. +2 more·2019·Nature Communications

Abstract

Senescence is induced by various stimuli such as oncogene expression and telomere shortening, referred to as oncogene-induced senescence (OIS) and replicative senescence (RS), respectively, and accompanied by global transcriptional alterations and 3D genome reorganization. Here, we demonstrate that the human condensin II complex participates in senescence via gene regulation and reorganization of euchromatic A and heterochromatic B compartments. Both OIS and RS are accompanied by A-to-B and B-to-A compartmental transitions, the latter of which occur more frequently and are undergone by 14% (430 Mb) of the human genome. Mechanistically, condensin is enriched in A compartments and implicated in B-to-A transitions. The full activation of senescence genes (SASP genes and p53 targets) requires condensin; its depletion impairs senescence markers. This study describes that condensin reinforces euchromatic A compartments and promotes B-to-A transitions, both of which are coupled to optimal expression of senescence genes, thereby allowing condensin to contribute to senescent processes.

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Authors
Iwasaki, O., Tanizawa, H., Kim, K.-D., Kossenkov, A., Nacarelli, T., Tashiro, S., Majumdar, S., Showe, L. C., Zhang, R., & Noma, K.-I.
Affiliations
  • University of Oregon (US)
  • Chung-Ang University (KR)
  • The Wistar Institute (US)
Corresponding author
Noma, Ken-ichi
Venue
Nature Communications
Published
2019-12-12
Volume
10
Issue
1
Pages
5688-5688
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2995325699
Cited by
58
References
70
Citations by year
2026: 5 · 2025: 4 · 2024: 7 · 2023: 6 · 2022: 11 · 2021: 15 · 2020: 10
FWCI
6.35
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (R01GM124195)
  • U.S. Department of Health & Human Services | NIH | National Institute on Aging (P01AG031862)
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, oncogene-induced senescence, replicative senescence, 3D genome organization, euchromatin, heterochromatin, senescence-associated secretory phenotype, gene expression regulation, chromatin compartmentalization
MeSH terms
Adenosine Triphosphatases, Cell Line, Chromatin, DNA-Binding Proteins, Humans, Nuclear Proteins, Oncogenes, Promoter Regions, Genetic, Gene Expression Regulation, Neoplastic, Tumor Suppressor Protein p53, Cellular Senescence, Cell Cycle Proteins, Gene Expression Profiling, Genomics, Multiprotein Complexes, Gene Knockdown Techniques, Telomere Shortening

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