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- Title
BRCA2 Mutations and Triple-Negative Breast Cancer.
- Authors
Meyer, Peter; Landgraf, Katharina; Högel, Bernhard; Eiermann, Wolfgang; Ataseven, Beyhan
- Abstract
Recently, BRCA1 germline mutations were found in a high proportion (14-34%) of patients with triple-negative breast cancer (TNBC). BRCA2 was either not analyzed or showed much lower mutation frequencies. Therefore, we screened a group of TNBC patients (n = 30) of white European descent for mutations in BRCA2 as well as in BRCA1. Cases were unselected for age of disease-onset (median age at breast cancer diagnosis was 58 years, ranging from 37 to 74 years), family history of cancer and BRCA1 and BRCA2 mutation status. Half of the patients (15/30) showed a family history of breast and/or ovarian cancer. A high frequency of deleterious germline mutations was observed in BRCA2 (5/30; 16.7%), and only one case showed a BRCA1 mutation (3.3%). Although the study group was small, these results point to BRCA2 mutations being important in TNBC.
- Subjects
TRIPLE-negative breast cancer; GENETIC mutation; GERM cells; OVARIAN cancer; GENETICS; CANCER diagnosis
- Publication
PLoS ONE, 2012, Vol 7, Issue 5, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0038361