Cited by 84Cancer Genomics and DiagnosticsBRCA gene mutations in cancerGenomic variations and chromosomal abnormalities

A somatic-mutational process recurrently duplicates germline susceptibility loci and tissue-specific super-enhancers in breast cancers

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Glodzik, Dominik, Morganella, Sandro, Davies, Helen, Simpson, Peter T, Li, Yilong, Zou, Xueqing, Diez-Perez, Javier, Staaf, Johan +22 more·2017·Nature Genetics

Abstract

Somatic rearrangements contribute to the mutagenized landscape of cancer genomes. Here, we systematically interrogated rearrangements in 560 breast cancers by using a piecewise constant fitting approach. We identified 33 hotspots of large (>100 kb) tandem duplications, a mutational signature associated with homologous-recombination-repair deficiency. Notably, these tandem-duplication hotspots were enriched in breast cancer germline susceptibility loci (odds ratio (OR) = 4.28) and breast-specific 'super-enhancer' regulatory elements (OR = 3.54). These hotspots may be sites of selective susceptibility to double-strand-break damage due to high transcriptional activity or, through incrementally increasing copy number, may be sites of secondary selective pressure. The transcriptomic consequences ranged from strong individual oncogene effects to weak but quantifiable multigene expression effects. We thus present a somatic-rearrangement mutational process affecting coding sequences and noncoding regulatory elements and contributing a continuum of driver consequences, from modest to strong effects, thereby supporting a polygenic model of cancer development.

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  • The broadened intermediate category was enriched for hypermutators of rearrangement signature RS1, with RS1 predominant and exceeding 100 RS1 rearrangements.

    “The intermediate category is also enriched for hypermutators of a rearrangement signature of long tandem-duplications (RS1) (where RS1 is predominant, exceeding 100 RS1 rearrangements)26.”

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Authors
Glodzik, D., Morganella, S., Davies, H., Simpson, P. T., Li, Y., Zou, X., Diez-Perez, J., Staaf, J., Alexandrov, L. B., Smid, M., Brinkman, A. B., Rye, I. H., Russnes, H., Raine, K., Purdie, C. A., Lakhani, S. R., Thompson, A. M., Birney, E., Stunnenberg, H. G., van de Vijver, M. J., Martens, J. W. M., Børresen-Dale, A.-L., Richardson, A. L., Kong, G., Viari, A., Easton, D., Evan, G., Campbell, P. J., Stratton, M. R., & Nik-Zainal, S.
Affiliations
  • Wellcome Sanger Institute (GB)
  • The University of Queensland (AU)
  • Lund University (SE)
  • Los Alamos National Laboratory (US)
  • Erasmus MC (NL)
  • Radboud University Nijmegen (NL)
  • Oslo University Hospital (NO)
  • Ninewells Hospital (GB)
  • The University of Texas MD Anderson Cancer Center (US)
  • European Bioinformatics Institute (GB)
  • Brigham and Women's Hospital (US)
  • Hanyang University (KR)
  • Institut national de recherche en sciences et technologies du numérique (FR)
  • University of Cambridge (GB)
Venue
Nature Genetics
Published
2017-01-23
Volume
49
Issue
3
Pages
341-348
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2582704504
Cited by
84
References
42
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 8 · 2022: 7 · 2021: 5 · 2020: 11 · 2019: 10 · 2018: 20 · 2017: 10
FWCI
4.69
Type
journal article
Language
en
Update notices
erratum (2017-11-01)
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion, other-oa)
  • EUR Research Repository (Erasmus University Rotterdam) (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion, other-oa)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • RePub (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • Lund University Publications (Lund University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Apollo
Funders
  • Wellcome Trust (077012/Z/05/Z, 101126/B/13/Z, WT100183MA, 098051)
  • Cancer Research UK (12077, 22585, 19013, 20952, 23916, 22932, 23433)
  • European Commission (242006)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
Keywords
somatic rearrangements, tandem duplication, breast cancer, super-enhancers, mutational signatures, homologous recombination deficiency, DNA double-strand break repair, copy number variation, oncogene expression, non-coding regulatory elements
MeSH terms
Breast Neoplasms, DNA Repair, Female, Humans, Mutation, Regulatory Sequences, Nucleic Acid, Gene Expression, Genome, DNA Breaks, Double-Stranded, Genetic Loci, Transcriptome

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