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Cancer Lett. 2005 Sep 28;227(2):105-14. Epub 2005 Jan 8.

The Ataxia-telangiectasia mutated gene and breast cancer: gene expression profiles and sequence variants.

Author information

  • DNA Repair Team, International Agency for Research on Cancer, 150 cours Albert Thomas, 69372 Lyon cedex, France. hall@iarc.fr

Abstract

The role of the Ataxia-telangiectaisa mutated (ATM) gene, as a risk factor for breast cancer has been a consistent theme in the literature since the first reports by Swift and colleagues who reported that ATM heterozygotes in AT families had increased risks of developing breast cancer. Loss of heterozygosity at the ATM locus has been reported in 30-40% of breast tumours and 50-70% show altered ATM protein levels. Germline ATM sequence variants have been reported in breast cancer cases, however, it is difficult to fully evaluate the increased risk associated with their presence. The potential role of such variants needs to be further assessed, together with functional studies to model their impact on ATM function.

PMID:
16112413
[PubMed - indexed for MEDLINE]
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