Title |
Rare key functional domain missense substitutions in MRE11A, RAD50, and NBNcontribute to breast cancer susceptibility: results from a Breast Cancer Family Registry case-control mutation-screening study
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Published in |
Breast Cancer Research, June 2014
|
DOI | 10.1186/bcr3669 |
Pubmed ID | |
Authors |
Francesca Damiola, Maroulio Pertesi, Javier Oliver, Florence Le Calvez-Kelm, Catherine Voegele, Erin L Young, Nivonirina Robinot, Nathalie Forey, Geoffroy Durand, Maxime P Vallée, Kayoko Tao, Terrell C Roane, Gareth J Williams, John L Hopper, Melissa C Southey, Irene L Andrulis, Esther M John, David E Goldgar, Fabienne Lesueur, Sean V Tavtigian |
Abstract |
The MRE11A-RAD50-Nibrin (MRN) complex plays several critical roles related to repair of DNA double-strand breaks. Inherited mutations in the three components predispose to genetic instability disorders and the MRN genes have been implicated in breast cancer susceptibility, but the underlying data are not entirely convincing. Here, we address two related questions: (1) are some rare MRN variants intermediate-risk breast cancer susceptibility alleles, and if so (2) do the MRN genes follow a BRCA1/BRCA2 pattern wherein most susceptibility alleles are protein truncating variants, or do they follow an ATM/CHEK2 pattern wherein half or more of the susceptibility alleles are missense substitutions? |
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