Journal article

Whole-genome sequencing reveals clinically relevant insights into the aetiology of familial breast cancers

K Nones, J Johnson, F Newell, AM Patch, H Thorne, SH Kazakoff, XM de Luca, MT Parsons, K Ferguson, LE Reid, AE McCart Reed, S Srihari, V Lakis, AL Davidson, P Mukhopadhyay, O Holmes, Q Xu, S Wood, C Leonard, J Beesley Show all

Annals of Oncology | Elsevier | Published : 2019

Open access

Abstract

Background: Whole-genome sequencing (WGS) is a powerful method for revealing the diversity and complexity of the somatic mutation burden of tumours. Here, we investigated the utility of tumour and matched germline WGS for understanding aetiology and treatment opportunities for high-risk individuals with familial breast cancer. Patients and methods: We carried out WGS on 78 paired germline and tumour DNA samples from individuals carrying pathogenic variants in BRCA1 (n = 26) or BRCA2 (n = 22) or from non-carriers (non-BRCA1/2; n = 30). Results: Matched germline/tumour WGS and somatic mutational signature analysis revealed patients with unreported, dual pathogenic germline variants in cancer r..

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University of Melbourne Researchers