Cited by 1,766Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsSirtuins and Resveratrol in Medicine

Senescence in Health and Disease

Open access
He, Shenghui, Sharpless, Norman E.·2017·Cell

Abstract

Many cellular stresses activate senescence, a persistent hyporeplicative state characterized in part by expression of the p16 INK4a cell-cycle inhibitor. Senescent cell production occurs throughout life and plays beneficial roles in a variety of physiological and pathological processes including embryogenesis, wound healing, host immunity, and tumor suppression. Meanwhile, the steady accumulation of senescent cells with age also has adverse consequences. These non-proliferating cells occupy key cellular niches and elaborate pro-inflammatory cytokines, contributing to aging-related diseases and morbidity. This model suggests that the abundance of senescent cells in vivo predicts "molecular," as opposed to chronologic, age and that senescent cell clearance may mitigate aging-associated pathology.

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Integrity signals

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Crossref · 10.1016/j.cell.2017.05.015

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  • Terminal differentiation is the acquisition of specific cellular functions accompanied by a durable cell-cycle arrest mediated by pathways distinct from those of cellular senescence.

    “Quiescence is a temporary arrest state with proliferation re-instated by appropriate stimuli; terminal differentiation is the acquisition of specific cellular functions accompanied by a durable cell-cycle arrest mediated by pathways distinct from those of cellular senescence (Figure 2).”

    From Cellular Senescence: Defining a Path Forward (2019) · cites this paper as He and Sharpless, 2017

    The Introduction’s sections on terminal differentiation and distinct forms of growth arrest support the development of specialized cells and a difference from senescence in how arrest is initiated or maintained (page not provided). The source says cell-cycle withdrawal usually accompanies terminal differentiation, rather than always, and notes that the forms of growth arrest share RB-family activity; the claim presents the arrest and pathway distinction more categorically. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • The role of senescence in human disease is clear from cellular studies, while in vivo evidence is only now catching up.

    “The role of senescence in human disease is clear from cellular studies, while in vivo evidence is only now catching up”

    From Cellular Senescence: Defining a Path Forward (2019) · cites this paper as He and Sharpless, 2017

    The Introduction says senescence was long dismissed as an in vitro artifact, but recent findings have established its role in certain physiological and pathological states in vivo. It does not say cellular studies had already made its role in human disease clear; the Conclusions instead call that role an evolving notion. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Evidence links senescence to other common age-associated human diseases including neurodegenerative disorders, glaucoma, cataract, atherosclerosis and cardiovascular disease, diabetes, osteoarthritis, pulmonary, and renal and liver fibrosis.

    “Evidence linking senescence to other common age-associated human diseases has recently emerged. These diseases include neurodegenerative disorders, glaucoma, cataract, atherosclerosis and cardiovascular disease, diabetes, osteoarthritis, pulmonary, and renal and liver fibrosis”

    From Cellular Senescence: Defining a Path Forward (2019) · cites this paper as He and Sharpless, 2017

    The “Set points” section (page unavailable) links senescence-related genes to atherosclerotic disease, type 2 diabetes, glaucoma and pulmonary fibrosis; the paper also discusses cardiovascular and renal pathology. The cited passages do not establish the claimed links to neurodegenerative disorders, cataract, osteoarthritis, or specifically renal and liver fibrosis. Its discussion of neurogenesis and cirrhosis does not establish those more specific claims. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • In most studies, senescence is assessed in ex vivo cultures or fresh samples by SAβ-gal staining or indirect markers in formalin-fixed tissues.

    “In most studies, senescence is assessed in ex vivo cultures or fresh samples by SAb -gal staining or indirect markers in formalin-fixed tissues”

    From Cellular Senescence: Defining a Path Forward (2019) · cites this paper as He and Sharpless, 2017

    The Introduction (page unavailable) identifies SA-β-gal staining as a characteristic senescence marker, and the section on estimating disease risk discusses indirect markers such as cytokines, telomere dysfunction, and p16INK4a expression. Our copy does not say that most studies use these methods or specify ex vivo cultures, fresh samples, or formalin-fixed tissues. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Long-term survival of senescent cells drives age-related diseases, such as atherosclerosis, neuropsychiatric disorders, chronic nephritis and cancer.

    “In contrast to the beneficial effects of SASP in the living body, long‐term survival of senescent cells also drives age‐related diseases, such as atherosclerosis, neuropsychiatric disorders, chronic nephritis and cancer.42”

    From Cellular senescence and senescence-associated secretory phenotype via the cGAS-STING signaling pathway in cancer (2020) · cites this paper as [42]

    The 'Clearing senescent cells to treat aging-related pathologies' section (page not provided) reports that senescent-cell clearance attenuates atherosclerosis, rescues glomerulosclerosis and declining renal function in aged mice, and delays several cancers. The Conclusions (page not provided) also link senescent-cell accumulation to susceptibility to age-associated disease. The copy does not identify neuropsychiatric disorders or chronic nephritis as outcomes; its renal finding concerns glomerulosclerosis, not chronic nephritis. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

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Authors
He, S., & Sharpless, N. E.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Sharpless, Norman E.
Venue
Cell
Publisher
Elsevier BV
Published
2017-06
Volume
169
Issue
6
Pages
1000-1011
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2620914886
Cited by
1,766
References
107
Citations by year
2026: 173 · 2025: 232 · 2024: 240 · 2023: 266 · 2022: 228 · 2021: 225 · 2020: 157 · 2019: 128 · 2018: 102 · 2017: 14
FWCI
13.45
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Glenn Foundation
  • Breast Cancer Research Foundation
  • Burroughs Wellcome Foundation
  • NIH (CA203023, AG024379)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
Keywords
cellular senescence, senolytics, senescent cell clearance, aging, age-related diseases, inflammatory cytokines, tumor suppression, wound healing, embryonic development, host immunity, cell cycle inhibitors
MeSH terms
Aging, Animals, Cell Cycle, Humans, Neoplasms, Wound Healing, Cellular Senescence

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