Cited by 152Genetic factors in colorectal cancerCancer Genomics and DiagnosticsDNA Repair Mechanisms

Mutational signature analysis identifies MUTYH deficiency in colorectal cancers and adrenocortical carcinomas

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Pilati, Camilla, Shinde, Jayendra, Alexandrov, Ludmil B, Assié, Guillaume, André, Thierry, Hélias‐Rodzewicz, Zofia, Ducoudray, Romain, Le Corre, Delphine +5 more·2017·The Journal of Pathology

Abstract

Germline alterations in DNA repair genes are implicated in cancer predisposition and can result in characteristic mutational signatures. However, specific mutational signatures associated with base excision repair ( BER ) defects remain to be characterized. Here, by analysing a series of colorectal cancers ( CRCs ) using exome sequencing, we identified a particular spectrum of somatic mutations characterized by an enrichment of C > A transversions in NpCpA or NpCpT contexts in three tumours from a MUTYH ‐associated polyposis ( MAP ) patient and in two cases harbouring pathogenic germline MUTYH mutations. In two series of adrenocortical carcinomas ( ACCs ), we identified four tumours with a similar signature also presenting germline MUTYH mutations. Taken together, these findings demonstrate that MUTYH inactivation results in a particular mutational signature, which may serve as a useful marker of BER ‐related genomic instability in new cancer types. Copyright © 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.

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Authors
Pilati, C., Shinde, J., Alexandrov, L. B., Assié, G., André, T., Hélias‐Rodzewicz, Z., Ducoudray, R., Le Corre, D., Zucman‐Rossi, J., Emile, J., Bertherat, J., Letouzé, E., & Laurent‐Puig, P.
Affiliations
  • Inserm (FR)
  • Los Alamos National Laboratory (US)
  • Centre National de la Recherche Scientifique (FR)
  • Assistance Publique – Hôpitaux de Paris (FR)
  • Université de Versailles Saint-Quentin-en-Yvelines (FR)
  • INSERM UMR‐S1147, Personalized Medicine, Pharmacogenomics, Therapeutic Optimization Université Paris Descartes Paris France
  • INSERM U1016, CNRS UMR 8104 Paris Descartes University Institut Cochin, Paris France
  • INSERM Unité Mixte de Recherche (UMR) 1162 Génomique Fonctionnelle des Tumeurs Solides, Equipe Labellisée Ligue contre le Cancer Paris France
Corresponding author
Laurent‐Puig, Pierre
Venue
The Journal of Pathology
Publisher
Wiley
Published
2017-03-29
Volume
242
Issue
1
Pages
10-15
ISSN
  • 0022-3417 (ISSN-L)
  • 1096-9896
OpenAlex
W2581568937
Cited by
150
References
22
Citations by year
2026: 11 · 2025: 11 · 2024: 12 · 2023: 15 · 2022: 13 · 2021: 27 · 2020: 16 · 2019: 22 · 2018: 16 · 2017: 6 · 2016: 1
FWCI
12.89
Type
journal article
Language
en
Open access
Locations
  • The Journal of Pathology (publishedVersion)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
  • Los Alamos National Laboratory
  • Centre National de la Recherche Scientifique
  • Institut National de la Santé et de la Recherche Médicale
  • Agence Nationale de la Recherche (ANR‐10‐NANO‐0002‐09)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
Keywords
MUTYH, mutational signatures, base excision repair, colorectal cancer, adrenocortical carcinoma, MUTYH-associated polyposis, genomic instability, DNA repair genes, cancer susceptibility
MeSH terms
Adrenal Cortex Neoplasms, Animals, DNA Mutational Analysis, DNA, Neoplasm, Humans, Mutation, Colorectal Neoplasms, Germ-Line Mutation, Adrenocortical Carcinoma, Mice, Knockout, Genetic Predisposition to Disease, DNA Glycosylases, Transcriptome

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