Cited by 1,598Cancer-related Molecular PathwaysCancer Genomics and DiagnosticsGenomics and Rare Diseases

Impact of mutant p53 functional properties on TP53 mutation patterns and tumor phenotype: lessons from recent developments in the IARC TP53 database

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Petitjean, Audrey, Mathe, Ewy, Kato, Shunsuke, Ishioka, Chikashi, Tavtigian, Sean V., Hainaut, Pierre, Olivier, Magali·2007·Human Mutation

Abstract

The tumor suppressor gene TP53 is frequently mutated in human cancers. More than 75% of all mutations are missense substitutions that have been extensively analyzed in various yeast and human cell assays. The International Agency for Research on Cancer (IARC) TP53 database (www-p53.iarc.fr) compiles all genetic variations that have been reported in TP53. Here, we present recent database developments that include new annotations on the functional properties of mutant proteins, and we perform a systematic analysis of the database to determine the functional properties that contribute to the occurrence of mutational "hotspots" in different cancer types and to the phenotype of tumors. This analysis showed that loss of transactivation capacity is a key factor for the selection of missense mutations, and that difference in mutation frequencies is closely related to nucleotide substitution rates along TP53 coding sequence. An interesting new finding is that in patients with an inherited missense mutation, the age at onset of tumors was related to the functional severity of the mutation, mutations with total loss of transactivation activity being associated with earlier cancer onset compared to mutations that retain partial transactivation capacity. Furthermore, 80% of the most common mutants show a capacity to exert dominant-negative effect (DNE) over wild-type p53, compared to only 45% of the less frequent mutants studied, suggesting that DNE may play a role in shaping mutation patterns. These results provide new insights into the factors that shape mutation patterns and influence mutation phenotype, which may have clinical interest.

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Crossref · 10.1002/humu.20495

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Authors
Petitjean, A., Mathe, E., Kato, S., Ishioka, C., Tavtigian, S. V., Hainaut, P., & Olivier, M.
Affiliations
  • Centre international de recherche sur le cancer (FR)
  • Tohoku University (JP)
  • World Health Organization (CH)
Corresponding author
Hainaut, Pierre
Venue
Human Mutation
Publisher
Wiley
Published
2007-06
Volume
28
Issue
6
Pages
622-629
ISSN
  • 1059-7794 (ISSN-L)
  • 1098-1004
OpenAlex
W1986076152
Cited by
1,598
References
26
Citations by year
2026: 24 · 2025: 36 · 2024: 34 · 2023: 42 · 2022: 59 · 2021: 87 · 2020: 68 · 2019: 81 · 2018: 75 · 2017: 83 · 2016: 120 · 2015: 135 · 2014: 136 · 2013: 131 · 2012: 143
FWCI
41.84
Type
journal article
Language
en
Open access
Locations
  • Human Mutation (publishedVersion, public-domain)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Environmental Health Sciences
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
TP53, TP53 mutation, missense mutations, mutational hotspots, dominant negative effect, tumor suppressor, nucleotide substitution rates, mutation patterns, tumor phenotype
MeSH terms
DNA Mutational Analysis, Humans, Mutation, Neoplasms, Phenotype, Transcriptional Activation, Tumor Suppressor Protein p53, Age of Onset, Germ-Line Mutation, Databases, Genetic

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