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Breast Cancer Res. 2001;3(3):154-7. Epub 2001 Mar 29.

More breast cancer genes?

Author information

  • The University of Melbourne, Centre for Genetic Epidemiology, Carlton, Victoria, Australia. j.hopper@unimelb.edu.au

Abstract

A new gene associated with a high risk of breast cancer, termed BRCAX, may exist on chromosome 13q. Tumours from multicase Nordic breast cancer families, in which mutations in BRCA1 and BRCA2 had been excluded, were analyzed using comparative genomic hybridization in order to identify a region of interest, which was apparently confirmed and refined using linkage analysis on an independent sample. The present commentary discusses this work. It also asks why there should exist genetic variants associated with susceptibility to breast cancer other than mutations in BRCA1 and BRCA2, and what might be their modes of inheritance, allele frequencies and risks. Replication studies will be needed to clarify whether there really is a tumour suppressor gene other than BRCA2 on chromosome 13q.

PMID:
11305950
[PubMed - indexed for MEDLINE]
PMCID:
PMC138680
Free PMC Article
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