Cited by 290Telomeres, Telomerase, and SenescenceCancer-related Molecular PathwaysGenetics, Aging, and Longevity in Model Organisms

Oncogenic ras and p53 Cooperate To Induce Cellular Senescence

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Ferbeyre, Gerardo, de Stanchina, Elisa, Lin, Athena W., Querido, Emmanuelle, McCurrach, Mila E., Hannon, Gregory J., Lowe, Scott W.·2002·Molecular and Cellular Biology

Abstract

Oncogenic activation of the mitogen-activated protein (MAP) kinase cascade in murine fibroblasts initiates a senescence-like cell cycle arrest that depends on the ARF/p53 tumor suppressor pathway. To investigate whether p53 is sufficient to induce senescence, we introduced a conditional murine p53 allele (p53(val135)) into p53-null mouse embryonic fibroblasts and examined cell proliferation and senescence in cells expressing p53, oncogenic Ras, or both gene products. Conditional p53 activation efficiently induced a reversible cell cycle arrest but was unable to induce features of senescence. In contrast, coexpression of oncogenic ras or activated mek1 with p53 enhanced both p53 levels and activity relative to that observed for p53 alone and produced an irreversible cell cycle arrest that displayed features of cellular senescence. p19(ARF) was required for this effect, since p53(-/-) ARF(-/-) double-null cells were unable to undergo senescence following coexpression of oncogenic Ras and p53. Although the levels of exogenous p53 achieved in ARF-null cells were relatively low, the stabilizing effects of p19(ARF) on p53 could not explain the cooperation between oncogenic Ras and p53 in promoting senescence. Hence, enforced p53 expression without oncogenic ras in p53(-/-) mdm2(-/-) double-null cells produced extremely high p53 levels but did not induce senescence. Taken together, our results indicate that oncogenic activation of the MAP kinase pathway in murine fibroblasts converts p53 into a senescence inducer through both quantitative and qualitative mechanisms.

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Crossref · 10.1128/mcb.22.10.3497-3508.2002

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  • Mouse, but not human, p19ARF is upregulated by various oncogenes (e.g., Ras and E2F), leading to p53 activation and senescence.

    “Notably, mouse, but not human, p19ARF is upregulated by various oncogenes (e.g., Ras and E2F), leading to p53 activation and senescence [125,126].”

    From Mechanisms and Regulation of Cellular Senescence (2021) · cites this paper as [125]

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Authors
Ferbeyre, G., de Stanchina, E., Lin, A. W., Querido, E., McCurrach, M. E., Hannon, G. J., & Lowe, S. W.
Affiliations
  • Cold Spring Harbor Laboratory (US)
  • Cold Spring Harbor Laboratory
Corresponding author
Lowe, Scott W.
Venue
Molecular and Cellular Biology
Published
2002-05
Volume
22
Issue
10
Pages
3497-3508
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2098810873
Cited by
290
References
8
Citations by year
2026: 4 · 2025: 9 · 2024: 5 · 2023: 2 · 2022: 7 · 2021: 10 · 2020: 6 · 2019: 7 · 2018: 8 · 2017: 8 · 2016: 12 · 2015: 11 · 2014: 14 · 2013: 15 · 2012: 12
FWCI
10.59
Type
journal article
Language
en
Open access
Locations
  • Molecular and Cellular Biology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
Funders
  • National Institutes of Health
  • Canadian Institutes of Health Research
  • National Institute on Aging (R56AG016379, AG-16379, R01AG016379)
  • National Cancer Institute (P30CA008748)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
cellular senescence, oncogenic Ras, p53, MAPK signaling, MEK1, cell cycle arrest, p53 stabilization, MDM2, tumor suppressor cooperation, mouse embryonic fibroblasts
MeSH terms
Animals, Cell Cycle, Cell Fractionation, Cells, Cultured, Colony-Forming Units Assay, Embryo, Mammalian, Enzyme Activation, Fibroblasts, Microscopy, Fluorescence, Nuclear Proteins, Proto-Oncogene Proteins, Genes, ras, Temperature, Genes, p53, Tumor Suppressor Protein p53, Cellular Senescence, Protein Serine-Threonine Kinases, Mice, Knockout, ras Proteins, Cyclin-Dependent Kinase Inhibitor p16, Mitogen-Activated Protein Kinase Kinases, MAP Kinase Signaling System, Tumor Suppressor Protein p14ARF, MAP Kinase Kinase 1, Mice, Proto-Oncogene Proteins c-mdm2

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