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Localization of a Breast Cancer Susceptibility Gene, BRCA2, to Chromosome 13q12-13
Ist Teil von
Science (American Association for the Advancement of Science), 1994-09, Vol.265 (5181), p.2088-2090
Ort / Verlag
Washington, DC: American Society for the Advancement of Science
Erscheinungsjahr
1994
Quelle
MEDLINE
Beschreibungen/Notizen
A small proportion of breast cancer, in particular those cases arising at a young age, is due to the inheritance of dominant susceptibility genes conferring a high risk of the disease. A genomic linkage search was performed with 15 high-risk breast cancer families that were unlinked to the BRCA 1 locus on chromosome 17q21. This analysis localized a second breast cancer susceptibility locus, BRCA2, to a 6-centimorgan interval on chromosome 13q12-13. Preliminary evidence suggests that BRCA2 confers a high risk of breast cancer but, unlike BRCA 1, does not confer a substantially elevated risk of ovarian cancer.