Cited by 529Cancer-related Molecular PathwaysTelomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model Organisms

'Super p53' mice exhibit enhanced DNA damage response, are tumor resistant and age normally

Open access
García‐Cao, Isabel, García‐Cao, Marta, Martín‐Caballero, Juan, Criado, Luis M., Klatt, Peter, Flores, Juana M., Weill, Jean‐Claude, Blasco, María A. +1 more·2002·The EMBO Journal

Abstract

The tumor suppressor p53 is critical in preventing cancer due to its ability to trigger proliferation arrest and cell death upon the occurrence of a variety of stresses, most notably, DNA damage and oncogenic stress. Here, we report the generation and characterization of mice carrying supernumerary copies of the p53 gene in the form of large genomic transgenes. Prior to this, we demonstrate that the p53 transgenic allele (p53-tg), when present in a p53-null genetic background, behaves as a functional replica of the endogenous gene. "Super p53" mice, carrying p53-tg alleles in addition to the two endogenous alleles, exhibit an enhanced response to DNA damage. Importantly, "super p53" mice are significantly protected from cancer when compared with normal mice. Finally, in contrast to previously reported mice with constitutively active p53, "super p53" mice do not show any indication of premature aging, probably reflecting the fact that p53 is under normal regulatory control. Together, our results prove that cancer resistance can be enhanced by a simple genetic modification and in the absence of undesirable effects.

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Crossref · 10.1093/emboj/cdf595

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  • Only nonphysiologic activation of p53 leads to progeria.

    “Only nonphysiologic activation of p53 leads to progeria, as mice expressing extra copies of wild-type p53 under the control of its own promoter do not show signs of premature aging (Garcia-Cao et al., 2002”

    From DNA Repair, Genome Stability, and Aging (2005) · cites this paper as Garcia-Cao et al., 2002

  • The accelerated ageing phenotype in mice expressing altered isoforms of p53 might be unique to expression of these altered forms of 'superactive' p53, as simple transgenic overexpression of full-length p53 using its endogenous promoter to regulate expression does not result in a change in lifespan.

    “this accelerated ageing phenotype might be unique to expression of these altered forms of 'superactive' p53, as simple transgenic overexpression of full-length p53 using its endogenous promoter to regulate expression does not result in a change in lifespan 31”

    From The common biology of cancer and ageing (2007) · cites this paper as [31]

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Authors
García‐Cao, I., García‐Cao, M., Martín‐Caballero, J., Criado, L. M., Klatt, P., Flores, J. M., Weill, J., Blasco, M. A., & Serrano, M.
Affiliations
  • Centro Nacional de Biotecnología (ES)
  • Spanish National Cancer Research Centre (ES)
  • Universidad Complutense de Madrid (ES)
  • Inserm (FR)
Corresponding author
Serrano, Manuel
Venue
The EMBO Journal
Published
2002-11-15
Volume
21
Issue
22
Pages
6225-6235
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W1995648202
Cited by
529
References
9
Citations by year
2026: 6 · 2025: 10 · 2024: 10 · 2023: 20 · 2022: 16 · 2021: 11 · 2020: 18 · 2019: 20 · 2018: 15 · 2017: 28 · 2016: 23 · 2015: 24 · 2014: 21 · 2013: 24 · 2012: 33
FWCI
10.79
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Plan for Science, Technology and Innovation
  • Centro Nacional de Biotecnología
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
p53, DNA damage response, tumor resistance, cancer prevention, premature aging, oncogenic stress, tumor suppressor
MeSH terms
Aging, Animals, Urinary Bladder Neoplasms, Cell Cycle, Cells, Cultured, Crosses, Genetic, DNA Damage, Female, Fertility, Fibroblasts, Fibrosarcoma, Gene Expression Regulation, Genetic Complementation Test, Immunity, Innate, Longevity, Male, Mice, Inbred CBA, Mice, Inbred C57BL, Mice, Transgenic, Genes, p53, Tumor Suppressor Protein p53, Mice, Knockout, Transgenes, Genetic Predisposition to Disease, Mice

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