Cited by 156HER2/EGFR in Cancer ResearchCancer Genomics and DiagnosticsBreast Cancer Treatment Studies

A whole-genome sequence and transcriptome perspective on HER2-positive breast cancers

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Ferrari, Anthony, Vincent-Salomon, Anne, Pivot, Xavier, Sertier, Anne-Sophie, Thomas, Emilie, Tonon, Laurie, Boyault, Sandrine, Mulugeta, Eskeatnaf +35 more·2016·Nature Communications

Abstract

HER2-positive breast cancer has long proven to be a clinically distinct class of breast cancers for which several targeted therapies are now available. However, resistance to the treatment associated with specific gene expressions or mutations has been observed, revealing the underlying diversity of these cancers. Therefore, understanding the full extent of the HER2-positive disease heterogeneity still remains challenging. Here we carry out an in-depth genomic characterization of 64 HER2-positive breast tumour genomes that exhibit four subgroups, based on the expression data, with distinctive genomic features in terms of somatic mutations, copy-number changes or structural variations. The results suggest that, despite being clinically defined by a specific gene amplification, HER2-positive tumours melt into the whole luminal–basal breast cancer spectrum rather than standing apart. The results also lead to a refined ERBB2 amplicon of 106 kb and show that several cases of amplifications are compatible with a breakage–fusion–bridge mechanism.

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Authors
Ferrari, A., Vincent-Salomon, A., Pivot, X., Sertier, A.-S., Thomas, E., Tonon, L., Boyault, S., Mulugeta, E., Treilleux, I., MacGrogan, G., Arnould, L., Kielbassa, J., Le Texier, V., Blanché, H., Deleuze, J.-F., Jacquemier, J., Mathieu, M.-C., Penault-Llorca, F., Bibeau, F., Mariani, O., Mannina, C., Pierga, J.-Y., Trédan, O., Bachelot, T., Bonnefoi, H., Romieu, G., Fumoleau, P., Delaloge, S., Rios, M., Ferrero, J.-M., Tarpin, C., Bouteille, C., Calvo, F., Gut, I. G., Gut, M., Martin, S., Nik-Zainal, S., Stratton, M. R., Pauporté, I., Saintigny, P., Birnbaum, D., Viari, A., & Thomas, G.
Affiliations
  • Centre Léon Bérard (FR)
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
  • Fondation Jean Dausset-CEPH (FR)
  • Institut Paoli-Calmettes (FR)
  • Institut Gustave Roussy (FR)
  • Institut Regional du Cancer de Montpellier (FR)
  • Université Paris Sciences et Lettres (FR)
  • Institut Bergonié (FR)
  • Centre Antoine Lacassagne (FR)
  • Clinique Mutualiste Chirurgicale (FR)
  • Universitat Pompeu Fabra (ES)
  • Wellcome Sanger Institute (GB)
  • Institut National du Cancer (FR)
  • Institut national de recherche en sciences et technologies du numérique (FR)
Corresponding author
  • Ferrari, Anthony
  • Viari, Alain
Venue
Nature Communications
Published
2016-07-13
Volume
7
Issue
1
Pages
12222-12222
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2461625475
Cited by
150
References
71
Citations by year
2026: 7 · 2025: 12 · 2024: 14 · 2023: 16 · 2022: 10 · 2021: 14 · 2020: 28 · 2019: 19 · 2018: 13 · 2017: 11 · 2016: 6
FWCI
8.81
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (submittedVersion, cc-by)
  • RePub (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Apollo (cc-by)
Funders
  • Agence Nationale de la Recherche (ANR-11-BINF-0001)
  • Institut National Du Cancer (INCa-4662)
Topics
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
Keywords
HER2-positive breast cancer, whole genome sequencing, transcriptome, tumor heterogeneity, somatic mutations, copy number alterations, structural variants, targeted therapy resistance, gene amplification
MeSH terms
Whole Genome Sequencing, Breast Neoplasms, Female, Gene Amplification, Humans, Mutation, Receptors, Progesterone, Receptor, ErbB-2, Erb-b2 Receptor Tyrosine Kinases, Polymorphism, Single Nucleotide, Gene Expression Profiling, Estrogen Receptor alpha, DNA Copy Number Variations, Transcriptome

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