Cited by 2,232Telomeres, Telomerase, and SenescenceDNA Repair MechanismsGenetics, Aging, and Longevity in Model Organisms

Persistent DNA damage signalling triggers senescence-associated inflammatory cytokine secretion

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Rodier, Francis, Coppé, Jean-Philippe, Patil, Christopher K., Hoeijmakers, Wieteke A. M., Muñoz, Denise P., Raza, Saba R., Freund, Adam, Campeau, Eric +2 more·2009·Nature Cell Biology

Abstract

Cellular senescence suppresses cancer by stably arresting the proliferation of damaged cells. Paradoxically, senescent cells also secrete factors that alter tissue microenvironments. The pathways regulating this secretion are unknown. We show that damaged human cells develop persistent chromatin lesions bearing hallmarks of DNA double-strand breaks (DSBs), which initiate increased secretion of inflammatory cytokines such as interleukin-6 (IL-6). Cytokine secretion occurred only after establishment of persistent DNA damage signalling, usually associated with senescence, not after transient DNA damage responses (DDRs). Initiation and maintenance of this cytokine response required the DDR proteins ATM, NBS1 and CHK2, but not the cell-cycle arrest enforcers p53 and pRb. ATM was also essential for IL-6 secretion during oncogene-induced senescence and by damaged cells that bypass senescence. Furthermore, DDR activity and IL-6 were elevated in human cancers, and ATM-depletion suppressed the ability of senescent cells to stimulate IL-6-dependent cancer cell invasiveness. Thus, in addition to orchestrating cell-cycle checkpoints and DNA repair, a new and important role of the DDR is to allow damaged cells to communicate their compromised state to the surrounding tissue.

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  • Many senescence triggers activate DNA damage response signaling and p53/p21, p16/RB or other pathways, producing cell cycle arrest and a SASP.

    “Many such stressors activate DNA damage response signaling and activation of the p53/p21CIP1/WAF1, p16INK4a/retinoblastoma protein or other pathways, resulting in cell cycle arrest and the development of a senescence-associated secretory phenotype (SASP)24,40,48−53”

    From Cellular senescence and senolytics: the path to the clinic (2022) · cites this paper as [50]

    The paper’s Abstract (page unavailable in our copy) supports a pathway from persistent DNA damage signalling to p53-dependent growth arrest and a senescence-associated inflammatory cytokine response. It does not support the sentence’s implication that the p53/p21 or p16/RB arrest pathways themselves produce that response: it reports that the cytokine response is p53-independent and that p16-induced senescence without DNA damage does not initiate it. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • There is substantial overlap among SASPs, with proinflammatory cytokines being the most highly conserved feature across many cell types and senescence-inducing stimuli.

    “Nevertheless, there is substantial overlap among SASPs; proinflammatory cytokines are the most highly conserved feature, cutting across many different cell types and senescence-inducing stimuli (33, 42, 96, 99, 100, 112–114).”

    From Aging, Cellular Senescence, and Cancer (2013) · cites this paper as [42]

    The passages labeled Abstract report IL-6 and IL-8 secretion in several fibroblast models and under multiple DNA-damaging conditions. They do not compare SASPs to establish that proinflammatory cytokines are their most highly conserved feature; the paper also reports that p16-induced senescence without DNA damage did not initiate a cytokine response. Page numbers are unavailable in our copy. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • The SASP is primarily a property of cells that senesce due to or accompanied by genomic damage or epigenomic perturbation.

    “The SASP is primarily a property of cells that senesce owing to, or accompanied by, genomic damage or epigenomic perturbation.”

    From Aging, Cellular Senescence, and Cancer (2013) · cites this paper as [42]

    In the supplied copy’s Abstract (page not specified), persistent DNA damage correlates with secretion of inflammatory SASP factors, while p16-induced senescence without DNA damage does not initiate that cytokine response. The paper says DNA-damage signalling drives only a subset of SASP factors; it does not establish the claim for the SASP as a whole or address epigenomic perturbation. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • DNA-SCARS and TIF contain activated DDR proteins that ensure persistent DDR signaling needed for both the senescence growth arrest and the SASP.

    “These nuclear structures contain the activated DDR proteins that ensure the persistent DDR signaling (43) that is needed for both the senescence growth arrest and the SASP (32, 42, 43).”

    From Aging, Cellular Senescence, and Cancer (2013) · cites this paper as [42]

    The indexed main text (page not supplied) reports that persistent DNA damage foci contain activated ATM and are associated with sustained DDR signaling; its model links that signaling to senescence growth arrest and inflammatory cytokine secretion. But the paper calls these structures persistent DNA damage foci, rather than specifically establishing the claim for both DNA-SCARS and TIF, and it says DDR signaling regulates only a subset of SASP factors, not the entire SASP. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • DDR proteins stimulate the SASP only after persistent DDR signaling has been established.

    “Of particular importance, these DDR proteins stimulate the SASP only after persistent DDR signaling has been established.”

    From Aging, Cellular Senescence, and Cancer (2013) · cites this paper as [42]

    The paper’s discussion of its model (page unavailable) says persistent DDR signaling initiates the cytokine response after several days through ATM, NBS1 and CHK2. But its analysis of SASP factors says DDR signaling regulates only a subset, including IL-6 and IL-8, not the SASP as a whole. (LLM, conf=0.85)

    Experimental — accuracy not yet measured

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Authors
Rodier, F., Coppé, J.-P., Patil, C. K., Hoeijmakers, W. A. M., Muñoz, D. P., Raza, S. R., Freund, A., Campeau, E., Davalos, A. R., & Campisi, J.
Affiliations
  • Lawrence Berkeley National Laboratory (US)
  • Buck Institute for Research on Aging (US)
Corresponding author
Campisi, Judith
Venue
Nature Cell Biology
Published
2009-07-13
Volume
11
Issue
8
Pages
973-979
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2116054786
Cited by
2,232
References
31
Citations by year
2026: 126 · 2025: 143 · 2024: 152 · 2023: 158 · 2022: 159 · 2021: 168 · 2020: 154 · 2019: 147 · 2018: 139 · 2017: 149 · 2016: 113 · 2015: 105 · 2014: 118 · 2013: 102 · 2012: 108
FWCI
64.86
Type
journal article
Language
en
Update notices
erratum (2009-10-01)
Open access
Locations
  • Nature Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Aging (AG017242, P30AG025708, AG025708, P01AG017242)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
DNA damage response, senescence-associated secretory phenotype, IL-6 secretion, oncogene-induced senescence, ATM, NBS1, Chk2, DNA double-strand breaks, tumour invasiveness, senescence-associated inflammation, p53, retinoblastoma protein
MeSH terms
Cell Line, Cells, Cultured, DNA Damage, DNA-Binding Proteins, Enzyme-Linked Immunosorbent Assay, Fibroblasts, Humans, Male, Microscopy, Fluorescence, Nuclear Proteins, Transfection, Blotting, Western, Signal Transduction, Interleukin-6, Tumor Suppressor Protein p53, Cytokines, Telomere, Cellular Senescence, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Telomerase, Cyclin-Dependent Kinase Inhibitor p16, Tumor Suppressor Proteins, RNA, Small Interfering, Green Fluorescent Proteins, Ataxia Telangiectasia Mutated Proteins, Checkpoint Kinase 2

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