Polymorphisms of the BRAF gene predispose males to malignant melanoma

AUTOR(ES)

Meyer, Peter

FONTE

BioMed Central

RESUMO

The incidence of malignant melanoma has rapidly increased in recent years. Evidence points to the role of inheritance in melanoma development, but specific genetic risk factors are not well understood. Recent reports indicate a high prevalence of somatic mutations of the BRAF gene in melanomas and melanocytic nevi. Here we report that germ-line single nucleotide polymorphisms (SNPs) in BRAF are significantly associated with melanoma in German males, but not females. At-risk haplotypes of BRAF are shown. Based upon their frequencies, we estimate that BRAF could account for a proportion attributable risk of developing melanoma of 4% in the German population. The causal variant has yet to be determined. The burden of disease associated with this variant is greater than that associated with the major melanoma susceptibility locus CDKN2A, which has an estimated attributable risk of less than 1%.

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