Cited by 1,195Atherosclerosis and Cardiovascular DiseasesCholesterol and Lipid MetabolismTelomeres, Telomerase, and Senescence

Senescent intimal foam cells are deleterious at all stages of atherosclerosis

Open access
Childs, Bennett G., Baker, Darren J., Wijshake, Tobias, Conover, Cheryl A., Campisi, Judith, van Deursen, Jan M.·2016·Science

Abstract

Wreaking havoc while (growth-)arrested: Cells enter a state of senescence in response to certain stresses. Studying mouse models, Childs et al. examined the role of senescent lipid-loaded macrophages (so-called “foam cells”) in the pathogenesis of atherosclerosis. At early stages of atherosclerosis, senescent foam cells promoted the expression of inflammatory cytokines. At later stages, they promoted the expression of matrix metalloproteases implicated in the rupture of atherosclerotic plaque, which can lead to blood clots. Experimental removal of the senescent cells had beneficial effects at both stages of the disease. Science , this issue p. 472

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Crossref · 10.1126/science.aaf6659

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  • Genetic removal of senescent cells in mouse models improves several age-related conditions, including vascular reactivity, atherosclerotic plaques, pulmonary function, osteoarthritis, fatty liver disease, pulmonary fibrosis, and bone loss.

    “Clearance of Sncs in INK-ATTAC or p16-3MR mice restores vascular reactivity (12), stabilizes atherosclerotic plaques (13), improves pulmonary function (14), alleviates osteoarthritis (10), improves fatty liver disease (15), improves lung function in a pulmonary fibrosis model (14), and prevents age-related bone loss (16).”

    From Senolytic Drugs: Reducing Senescent Cell Viability to Extend Health Span (2021) · cites this paper as [13]

    For citation (13), the paper reports that clearing senescent cells in mice improved fibrous-cap thickness, collagen content, and other surrogate markers of plaque stability (section labeled Abstract; page not provided). It concludes that these results strongly suggest greater plaque stability, but it does not establish plaque stabilization through observed rupture outcomes. The other conditions in the sentence are attached to different citations and are not assessed here. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Atherosclerotic plaques in LDL receptor-null mice accumulate high amounts of SA-β-Gal and p16-positive endothelial cells, vascular smooth muscle cells and macrophages.

    “Recently, atherosclerotic plaques from LDL receptor-null mice were found to accumulate high amounts of SA-β-Gal and p16-positive endothelial cells, vascular smooth muscle cells and macrophages.”

    From Cellular senescence in ageing: from mechanisms to therapeutic opportunities (2021) · cites this paper as [175]

    The paper reports SA β-Gal–positive lesions and elevated p16Ink4a transcripts in plaque-rich aortic arches of Ldlr−/− mice. Its plaque microscopy passage (Fig. 1A; page unavailable) identifies three senescent cell types resembling endothelial cells, VSMCs, and macrophages, but explicitly says their origins cannot be accurately determined. The claim overstates those cell identities as definitive. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Age-related changes in murine liver cells include increased SA-β-gal activity, DNA damage, TAFs, karyomegaly, SADS, ALISE, LINE-1 elements, and SASP factors, some specified to occur in hepatocytes.

    “Age-related changes in murine liver cells include increased SA-β-gal activity78, DNA damage, TAFs19,20,78, karyomegaly, SADS26, ALISE26, LINE-1 elements79, and SASP factors40, some of them specified to occur in hepatocytes19,26.”

    From Guidelines for minimal information on cellular senescence experimentation in vivo (2024) · cites this paper as [20]

    The passage on plaque-rich aortic arches (section labeled Abstract; page unavailable) reports elevated SASP components in mice, supporting the SASP-factors portion attached to this citation. It concerns atherosclerotic tissue, not age-related changes in murine liver cells or hepatocytes; the other listed markers are attached to different citations. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • Senescence-associated markers have been identified in atherosclerosis, abdominal aortic aneurysm, and thoracic aortic aneurysm in human and mouse models.

    “Senescence-associated markers have also been identified in the context of vascular diseases such as atherosclerosis and abdominal aortic aneurysm and thoracic aortic aneurysm in both human and mouse models69–72.”

    From SenNet recommendations for detecting senescent cells in different tissues (2024) · cites this paper as [71]

    The paper reports senescence-associated findings in atherosclerosis: its Abstract section describes shortened telomeres in human plaques, and the mouse experiments identify SA β-Gal activity and elevated senescence-marker transcripts in lesions. Our copy does not report such markers in abdominal or thoracic aortic aneurysms. No page number is available for these passages. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Senescent cells accumulate with ageing and age-associated diseases, limiting lifespan and healthspan in mice.

    “Senescent cells accumulate with ageing and age-associated diseases, limiting lifespan and healthspan in mice11–16.”

    From Senescence atlas reveals an aged-like inflamed niche that blunts muscle regeneration (2023) · cites this paper as [14]

    The paper reports that senescent cells accumulate in atherosclerotic lesions in mice and contribute to disease progression (Abstract; page unavailable). It does not establish accumulation with ageing generally or show that senescent cells limit mouse lifespan or healthspan. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 1

  1. [7]Muñoz-Espín D Serrano M Nat Rev Mol Cell Biol 15 482 496 2014 24954210

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Authors
Childs, B. G., Baker, D. J., Wijshake, T., Conover, C. A., Campisi, J., & van Deursen, J. M.
Affiliations
  • Mayo Clinic (US)
  • Buck Institute for Research on Aging (US)
  • Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA.
Venue
Science
Published
2016-10-28
Volume
354
Issue
6311
Pages
472-477
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2544670169
Cited by
1,195
References
30
Citations by year
2026: 119 · 2025: 111 · 2024: 129 · 2023: 127 · 2022: 137 · 2021: 151 · 2020: 148 · 2019: 106 · 2018: 107 · 2017: 51 · 2016: 4 · 2015: 1
FWCI
53.73
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
Funders
  • Paul F. Glenn Foundation
  • NIH (R01CA96985, CA168709)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
cellular senescence, foam cells, atherosclerosis, macrophages, plaque vulnerability, elastic fiber degradation, fibrous cap thinning, metalloproteinases, senolytics, subendothelial space, inflammatory cytokines, chemokines
MeSH terms
Animals, Foam Cells, Mice, Transgenic, Receptors, LDL, Cytokines, Cellular Senescence, Tunica Intima, Chemokines, Cyclin-Dependent Kinase Inhibitor p16, Atherosclerosis, Mice, Plaque, Atherosclerotic

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