Aurora-A amplification associated with BRCA2 mutation in breast tumours.

Cancer Lett 2007 Apr 24;248(1):96-102. Epub 2006 Jul 24.

Icelandic Cancer Society, Skogarhlid 8, 105 Reykjavik, Iceland; University of Iceland, Department of Medicine, Vatnsmyrarvegi 16, 101 Reykjavik, Iceland.

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 lines with the same BRCA2 mutation. In addition, significant association was found between Aurora-A amplification and TP53 mutations in non-BRCA2 mutation carrier tumours (p=0.007). These results suggest that breast tumours with mutations in BRCA2 or TP53 could be promising candidates for Aurora-A targeted treatment.

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http://dx.doi.org/10.1016/j.canlet.2006.06.003DOI Listing
April 2007
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