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Potential interaction of Aurora-A amplification and BRCA2 mutation was examined in breast tumours from BRCA2 999del5 mutation carriers (n=20) and non-carriers (n=41). Aurora-A amplification studied by FISH was significantly more common in breast tumours from BRCA2 mutation carriers (p=0.0005). Extensive Aurora-A amplification was also detected on metaphase chromosomes in three breast epithelial cell...
Introduction BRCA1 or BRCA2 germline mutations increase the risk of developing breast cancer. Tumour cells from germline mutation carriers have frequently lost the wild-type allele. This is predicted to result in genomic instability where cell survival depends upon dysfunctional checkpoint mechanisms. Tumorigenic potential could then be acquired through further genomic alterations. Surprisingly, somatic...
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