Genotyping of BRCA1, BRCA2, p53, CDKN2A, MLH1 and MSH2 genes in a male patient with secondary breast cancer

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Genotyping of BRCA1, BRCA2, p53, CDKN2A, MLH1 and MSH2 genes in a male patient with secondary breast cancer

Background. Some tumour suppressor genes (BRCA2) and mismatch repair genes (MSH2, MLH1) are correlated with an increased risk for male breast cancer.

Case report. Our patient developed secondary breast cancer after the treatment for Hodgkin's disease in childhood. DNA was isolated from the patients' blood and screened for mutations, polymorphisms and variants in BRCA1, BRCA2, p53, CDKN2A, MLH1 and MSH2 genes. We found no mutations but common polymorphisms, and three variants in mismatch repair genes.

Conclusions. Nucleotide variants c.2006-6T>C and p.G322D in MSH2 might be correlated with male breast cancer.

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