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- Title
BRCA1 genetic testing in 106 breast and ovarian cancer families from southern Italy (Sicily): a mutation analyses.
- Authors
Antonio Russo; Valentina Calò; Valentina Agnese; Loredana Bruno; Simona Corsale; Claudia Augello; Grazia Gargano; Floriana Barbera; Sandra Cascio; Chiara Intrivici; Gaetana Rinaldi; Gaspare Gulotta; Marcella Macaluso; Eva Surmacz; Antonio Giordano; Nicola Gebbia; Viviana Bazan
- Abstract
Abstract Purpose  To evaluate the contribution of germline BRCA1 mutations in the incidence of hereditary and familial Breast Cancer (BC) and/or Ovarian Cancer (OC) in patients from Southern Italy (in the region of Sicily) and to identify a possible association between the higher frequency of BRCA1 mutations and a specific familial profile. Experimental design  A consecutive series of 650 patients with BC and/or OC diagnosed between 1999 and 2005 were recruited from the Southern Italian region of Sicily, after interview at the âRegional Reference Centre for the Characterization and Genetic Screening of Hereditary Tumorsâ at the University of Palermo. Genetic counselling allowed us to recruit a total of 106 unrelated families affected with breast and/or ovarian cancer screened for mutations occurring in the whole BRCA1 gene by automatic direct sequencing. Results  Germline BRCA1 mutations were found in 17 of 106 (16%) Sicilian families. The HBOC profile had a major frequency (66%) of mutations (P icilian founder mutation. Conclusions  The present study is the first BRCA1 disease-associated mutations analysis in Southern Italian families. The early age of onset of such tumors and the association with the HBOC familial profile could be two valid screening factors for the identification of BRCA1 mutation carriers. Finally, we identified a BRCA1 mutation with a possible founder effect.
- Subjects
HUMAN chromosome abnormality diagnosis; GENETIC mutation; BREAST cancer; OVARIAN cancer
- Publication
Breast Cancer Research & Treatment, 2007, Vol 105, Issue 3, p267
- ISSN
0167-6806
- Publication type
Article
- DOI
10.1007/s10549-006-9456-9