PreprintCited by 29Cancer-related Molecular PathwaysGenomics and Rare DiseasesGenetic factors in colorectal cancer

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Fine resolution clustering of TP53 variants into functional classes predicts cancer risks and spectra among germline variant carriers

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Preprint — published as 10.1016/j.isci.2024.111296 · Paper page

Abstract

Li-Fraumeni syndrome (LFS) is a heterogeneous predisposition to a broad spectrum of cancers caused by pathogenic TP53 germline variants. We have used a clustering approach to assign missense variants to functional classes with distinct quantitative and qualitative features based on transcriptional activity in yeast assays. Genotype-phenotype correlations were analyzed using the germline TP53 mutation database (n= 3,446) and validated in three LFS clinical cohorts (n= 821). Carriers of class A variants recapitulated all traits of fully penetrant LFS (median age at first diagnosis = 28 years). Class B carriers showed a less penetrant form (median = 33 years, p < 0.05) dominated by adrenocortical and breast cancers. Class C or D carriers had attenuated phenotypes (median = 41 years, p < 0.001) with typical LFS cancers in C and mostly non-LFS cancers in D. This new classification provides insight into structural/functional features causing pathogenicity.

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Metadata

Authors
Montellier, E., Lemonnier, N., Penkert, J., Freycon, C., Blanchet, S., Amadou, A., Chuffart, F., Fischer, N., Achatz, M. I., Levine, A., Goudie, C., Malkin, D., Bougeard, G., Kratz, C., & Hainaut, P.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Medizinische Hochschule Hannover (DE)
  • University of Toronto (CA)
  • Hospital Sírio-Libanês (BR)
  • Institute for Advanced Study (US)
  • Montreal Children's Hospital (CA)
  • Inserm (FR)
Corresponding author
Hainaut, Pierre
Venue
iScience
Publisher
openRxiv
Published
2023-12-28
Volume
27
Issue
12
Pages
111296-111296
ISSN
2589-0042 (ISSN-L)
OpenAlex
W4403973465
Cited by
29
References
1
Citations by year
2026: 17 · 2025: 11 · 2024: 1
FWCI
4.97
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • iScience (publishedVersion, cc-by-nc-nd)
  • medRxiv (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by-nc-nd)
  • HAL (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Canadian Imperial Bank of Commerce
  • Université Grenoble Alpes
  • Bundesministerium für Bildung und Forschung (01GM2205A)
  • Fondation ARC pour la Recherche sur le Cancer
  • Terry Fox Research Institute
  • Deutsche Kinderkrebsstiftung (DKS 2024.03)
  • Horizon 2020 Framework Programme
  • MSDAVENIR
  • H2020 Marie Skłodowska-Curie Actions (846806)
  • Cancéropôle Lyon Auvergne-Rhône-Alpes
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
Keywords
Li-Fraumeni syndrome, TP53 germline variants, missense mutations, variant clustering, cancer susceptibility, cancer risk, penetrance, hypomorphic variants, variant pathogenicity, variant interpretation

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