Human Molecular Genetics Advance Access originally published online on August 5, 2003
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Human Molecular Genetics, 2003, Vol. 12, Review Issue 2 R271-R277
DOI: 10.1093/hmg/ddg258
© 2003 Oxford University Press
Of mice and (wo)men: genotypephenotype correlations in BRCA1
1MRC Human Genetics Unit, Edinburgh, UK, 2Center of Human and Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands and 3Department of Pathology, Josephine Nefkens Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
Received July 4, 2003; Revised July 17, 2003; Accepted July 29, 2003
To date, over 6300 mutations in BRCA1, involving 1100 distinct sites, have been described and reported in the BIC (breast cancer information core) database. Since the first BRCA1 mutations in early-onset breast and ovarian cancer families were reported, several attempts to establish genotypephenotype correlations for this gene have been reported. Moreover, in vitro data have suggested dominant-negative effects of putative mutant BRCA1 proteins over wild-type proteins. Genotypephenotype correlations are not only important for predicting the clinical course of the disease and to allow tailor-made surveillance of individuals at risk, but also have implications for the elucidation of the molecular genetic mechanisms underlying BRCA1-mediated tumorigenesis and the development of gene transfer-based therapies. Here, we discuss genotypephenotype correlations at the BRCA1 locus in mouse and man, and the functional aspects that may account for these observations.
* To whom correspondence should be addressed at: Department of Comparative Developmental Genetics, MRC Human Genetics Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK. Email: peter.hohenstein{at}hgu.mrc.ac.uk
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