Cited by 1,308Cancer-related Molecular PathwaysChromatin Remodeling and CancerPI3K/AKT/mTOR signaling in cancer

Mutant p53 gain of function in two mouse models of Li-Fraumeni syndrome

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Olive, Kenneth P., Tuveson, David A., Ruhe, Zachary C., Yin, Bob, Willis, Nicholas A., Bronson, Roderick T., Crowley, Denise, Jacks, Tyler·2004·Cell

Abstract

The p53 tumor suppressor gene is commonly altered in human tumors, predominantly through missense mutations that result in accumulation of mutant p53 protein. These mutations may confer dominant-negative or gain-of-function properties to p53. To ascertain the physiological effects of p53 point mutation, the structural mutant p53R172H and the contact mutant p53R270H (codons 175 and 273 in humans) were engineered into the endogenous p53 locus in mice. p53R270H/+ and p53R172H/+ mice are models of Li-Fraumeni Syndrome; they developed allele-specific tumor spectra distinct from p53+/- mice. In addition, p53R270H/- and p53R172H/- mice developed novel tumors compared to p53-/- mice, including a variety of carcinomas and more frequent endothelial tumors. Dominant effects that varied by allele and function were observed in primary cells derived from p53R270H/+ and p53R172H/+ mice. These results demonstrate that point mutant p53 alleles expressed under physiological control have enhanced oncogenic potential beyond the simple loss of p53 function.

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Crossref · 10.1016/j.cell.2004.11.004

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Authors
Olive, K. P., Tuveson, D. A., Ruhe, Z. C., Yin, B., Willis, N. A., Bronson, R. T., Crowley, D., & Jacks, T.
Affiliations
  • Massachusetts Institute of Technology (US)
  • Abramson Cancer Center (US)
  • Tufts University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Jacks, Tyler
Venue
Cell
Publisher
Elsevier BV
Published
2004-12
Volume
119
Issue
6
Pages
847-860
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2079852484
Cited by
1,308
References
64
Citations by year
2026: 26 · 2025: 49 · 2024: 52 · 2023: 87 · 2022: 52 · 2021: 64 · 2020: 67 · 2019: 69 · 2018: 74 · 2017: 69 · 2016: 78 · 2015: 75 · 2014: 97 · 2013: 64 · 2012: 51
FWCI
21.50
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
Keywords
p53, Li-Fraumeni syndrome, gain-of-function mutations, missense mutations, dominant-negative p53, tumor suppressor, mouse model, endothelial tumors, carcinoma, oncogenicity
MeSH terms
Alleles, Animals, Carcinoma, Mice, Transgenic, Mutation, Neoplasms, T-Lymphocytes, Gene Expression Regulation, Neoplastic, Genes, p53, Li-Fraumeni Syndrome, Apoptosis, Mice

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