Minor role of BRCA2 mutation (Exon2 and Exon11) in patients with early-onset breast cancer amongst Iranian Azeri-Turkish women

Karimian Fathi, Nahid and Shekari Khaniani, Mahmood and Montazeri, Vahid and Mansoori Derakhshan, Sima (2014) Minor role of BRCA2 mutation (Exon2 and Exon11) in patients with early-onset breast cancer amongst Iranian Azeri-Turkish women. Iranian Journal of Basic Medical Sciences, 17 (2). pp. 108-111.

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Abstract

Objective(s): Breast cancer is the most common cancer in women. Every year, one million new cases are reported worldwide, representing 18 of the total number of cancer in women. Hereditary BRCA1 and BRCA2 mutations account for about 60 of inherited breast cancer and are the only known causes of hereditary breast cancer syndrome. The aim of this study was to determine the frequency of BRCA2 (exon2 and exon11) gene mutation in patients with early-onset breast cancer among Iranian Azeri-Turkish women. Materials and Methods: We obtained clinical information, family history and peripheral blood from 110 women under the age of 45 with early-onset breast cancer for scanning germline mutations in the exon2 and 11 of BRCA2 genes which comprises over 50 of the gene. Single-strand conformation polymorphism assay was used in order for screening potential mutations on amplified regions followed by direct sequencing analysis to determine the genotypes. Results: Overall, 11 sequence variants were identified in this study group, including four homozygotes and seven heterozygotes silent substitution of c.3807T to C, p.Val1269Val (rs543304). Conclusion: Mutations in BRCA2 were surprisingly infrequent in the early onset breast cancer patients among Iranian Azeri-Turkish women.

Item Type: Article
Subjects: QT physiology
Divisions: Journals > Iranian J Basic Medical Sciences
Depositing User: ijbms ijbms
Date Deposited: 08 Oct 2017 16:58
Last Modified: 08 Oct 2017 16:58
URI: http://eprints.mums.ac.ir/id/eprint/8030

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