4843delC of the BRCA1 gene is a possible founder mutation in Southern Italy (Sicily).

Massimo Cajozzo, Gaspare Gulotta, Antonio Russo, Nicolo' Gebbia, Valentina Agnese, Loredana Bruno, Giuseppe Badalamenti, Viviana Bazan, Valentina Calo', Colucci, Eva Surmacz, Chiara Intrivici, Claudia Augello, Elena Foddai, Floriana Barbera, Sandra Cascio, Valentina Schiro'

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10 Citazioni (Scopus)


Various studies have been published in Italy regarding the different BRCA1 mutations, but only the BRCA1-5083del19 mutation is recurrent and specific to individuals of Italian descent with a founder effect on the Calabrian population. In our previous study, BRCA1-5083del19 mutation carriers were found in four index cases of 106 Sicilian patients selected for familial and/or hereditary breast/ovarian cancers. The high frequency rate of this mutation identified in the Sicilian population led us to perform haplotype analysis in all family carriers. Five highly polymorphic microsatellite markers were used (D17S1320, D17S932, D17S1323, D17S1326, D17S1325) to establish whether or not all these families had a common ancestor. This analysis showed that all mutation carriers of these families had a common allele. None of the non-carriers of the mutation or of the 50 healthy Sicilian controls showed this haplotype. This allelotype analysis highlighted the presence of a common allele (ancestor), thus suggesting the presence of a founder effect in the Sicilian population. Our results are in contrast with other studies but only the allelotype analysis of all the BRCA1-5083del19 mutation carriers of two neighboring regions of the south of Italy (Calabria and Sicily) will make it possible to identify the real ancestor of this mutation.
Lingua originaleEnglish
pagine (da-a)99-102
Numero di pagine4
RivistaAnnals of Oncology
Volume18 (suppl.6)
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

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