Cited by 94Telomeres, Telomerase, and SenescenceGenomics and Chromatin DynamicsGenetics, Aging, and Longevity in Model Organisms

Chromatin basis of the senescence-associated secretory phenotype

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Hao, Xue, Wang, Chen, Zhang, Rugang·2022·Trends in Cell Biology

Abstract

Cellular senescence is a stable cell growth arrest. Senescent cells are metabolically active, as exemplified by the secretion of inflammatory cytokines, chemokines, and growth factors, which is termed senescence-associated secretory phenotype (SASP). The SASP exerts a range of functions in both normal health and pathology, which is possibly best characterized in cancers and physical aging. Recent studies demonstrated that chromatin is instrumental in regulating the SASP both through nuclear transcription and via the innate immune cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway in the cytoplasm. Here, we will review these regulatory mechanisms, with an emphasis on most recent developments in the field. We will highlight the challenges and opportunities in developing intervention approaches, such as targeting chromatin regulatory mechanisms, to alter the SASP as an emerging approach to combat cancers and achieve healthy aging.

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Crossref · 10.1016/j.tcb.2021.12.003

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  • Changes in the higher-order structure of chromatin contribute to the development of SASP or SASP-like inflammatory gene expression.

    “Recent studies by our group and others have suggested that changes in the higher-order structure of chromatin contribute to the development of SASP or SASP-like inflammatory gene expression (11, 19–22).”
  • Targeting the cGAS-STING axis with the small-molecule STING inhibitor H-151 had a SASP-suppressing, senomorphic effect and led to reduced lung pathology and prolonged survival in a human ACE2-transgenic mouse model of COVID-19.

    “Targeting of the cGAS–STING axis, which induces type I interferons and other SASP factors, with the small-molecule STING inhibitor H-151 had a SASP-suppressing, senomorphic effect28,121,128,129 and led to reduced lung pathology and prolonged survival in a human ACE2-transgenic mouse model of COVID-19 (ref.59).”

    From COVID-19 and cellular senescence (2023) · cites this paper as [129]

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Authors
Hao, X., Wang, C., & Zhang, R.
Affiliations
The Wistar Institute (US)
Corresponding author
Zhang, Rugang
Venue
Trends in Cell Biology
Publisher
Elsevier BV
Published
2022-06
Volume
32
Issue
6
Pages
513-526
ISSN
0962-8924 (ISSN-L)
OpenAlex
W4206396864
Cited by
94
References
95
Citations by year
2026: 16 · 2025: 18 · 2024: 41 · 2023: 15 · 2022: 4
FWCI
2.68
Type
journal article
Language
en
Open access
Locations
  • Trends in Cell Biology (acceptedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Defense (OC190181, OC180109)
  • Ovarian Cancer Research Alliance (596552)
  • Honorable Tina Brozman Foundation
  • National Institutes of Health (R01CA163377, P01AG031862, R01CA243142, R01CA239128, R01CA160331, R01CA202919, P50CA228991, P30CA010815)
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 › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
senescence-associated secretory phenotype, cellular senescence, chromatin regulation, cGAS-STING pathway, innate immunity, transcriptional regulation, cancer, healthy aging, senolytics
MeSH terms
Senescence-Associated Secretory Phenotype, Chromatin, Cytoplasm, Humans, Neoplasms, Phenotype, Cellular Senescence

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