Cited by 1,009Telomeres, Telomerase, and Senescenceinterferon and immune responsesGenetics, Aging, and Longevity in Model Organisms

cGAS is essential for cellular senescence

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Yang, Hui, Wang, Hanze, Ren, Junyao, Chen, Qi, Chen, Zhijian J.·2017·Proceedings of the National Academy of Sciences

Abstract

Significance: Cellular senescence is important for the maintenance of tissue homeostasis. Dysregulation of senescence is linked to many human diseases, such as cancer, premature aging, and age-related diseases. Although DNA damage response has been linked to senescence, the underlying mechanism is unknown. Here we show that cGAS is essential for the senescence phenotypes, including expression of inflammatory genes. This finding reveals a molecular mechanism of cellular senescence and suggests that modulation of cGAS activity may be a new strategy to treat senescence-associated human diseases that potentially include cancer, neurodegenerative diseases, cardiovascular diseases, and aging.

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Crossref · 10.1073/pnas.1705499114

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  • cGAS and STING are major regulators of the SASP programme across species, probably by activating NF-κB and IRF3.

    “The DNA sensor cGAS and the adaptor protein STING have been reported to be major regulators of the SASP programme across species, presumably by activating NF-κB and the interferon response factor IRF3 (REFS60,112,113).”

    From Cellular senescence in ageing: from mechanisms to therapeutic opportunities (2021) · cites this paper as [113]

    The Results report that cGAS is required for induction of most SASP genes by DNA-damaging agents in human and mouse cells. The introduction describes STING activating NF-κB and IRF3, but the paper does not establish that STING regulates the SASP through those factors. Indeed, the Results report that STING loss did not accelerate spontaneous immortalization, suggesting a STING-independent role for cGAS. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • The cGAS-STING pathway regulates cellular senescence.

    “We and others have previously described a role of the cGAS–STING pathway in the regulation of cellular senescence—a hallmark of ageing5–8.”

    From cGAS–STING drives ageing-related inflammation and neurodegeneration (2023) · cites this paper as [6]

    The paper’s Discussion states that cGAS is essential for cellular senescence. But the Results section reports that STING deletion did not accelerate spontaneous immortalization and suggests that cGAS may act through a STING-independent mechanism. Thus, the paper supports a role for cGAS, but not an unqualified role for the cGAS–STING pathway in regulating senescence. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • The cGAS-STING signaling pathway has recently been identified as a SASP regulator.

    “The antiviral cyclic GMP‐AMP synthase (cGAS)‐stimulator of interferon genes (STING) signaling pathway has recently been identified as a SASP regulator.62, 63, 64”
  • The cGAS/STING pathway is considered a key regulator of SASP induction.

    “The cGAS/STING pathway is considered a key regulator of SASP induction (Dou et al. 2017; Glück et al. 2017; Yang et al. 2017).”

    From Senescence and the SASP: many therapeutic avenues (2020) · cites this paper as Yang et al. 2017

  • DNA damage products and retroelement amplification are upstream triggers of cGAS in senescence.

    “Previous research has revealed DNA damage products5–7 and retroelement amplification52 as upstream triggers of cGAS in senescence.”

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Authors
Yang, H., Wang, H., Ren, J., Chen, Q., & Chen, Z. J.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • Fujian Normal University (CN)
  • Howard Hughes Medical Institute (US)
Corresponding author
Chen, Zhijian J.
Venue
Proceedings of the National Academy of Sciences
Published
2017-05-22
Volume
114
Issue
23
Pages
E4612-E4620
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2618634776
Cited by
1,009
References
54
Citations by year
2026: 90 · 2025: 109 · 2024: 130 · 2023: 127 · 2022: 125 · 2021: 119 · 2020: 125 · 2019: 96 · 2018: 66 · 2017: 22
FWCI
62.55
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute (HHMI)
  • Cancer Prevention and Research Institute of Texas (RP120718, RP150498)
  • Welch Foundation (I-1389)
  • Fujian Normal University (FJNU)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
cGAS, cellular senescence, DNA damage response, senescence-associated secretory phenotype, cytosolic DNA sensors, innate immunity, cell immortalization, mouse embryonic fibroblasts, radiation-induced DNA damage, etoposide, cGAMP, lung adenocarcinoma, survival prediction, antitumor immunity
MeSH terms
Mouse Embryonic Stem Cells, Adenocarcinoma of Lung, Cyclic Guanosine Monophosphate-Adenosine Monophosphate Synthase, Adenocarcinoma, Animals, Cells, Cultured, Cytosol, DNA Damage, Fibroblasts, Humans, Immunity, Innate, Lung Neoplasms, Nucleotidyltransferases, Phenotype, Prognosis, Gene Expression, Cellular Senescence, Mice, Knockout, Mice, HEK293 Cells

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