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2008 Barcelona - European Society of Human Genetics

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Genetic counselling, education, genetic services, and public policy<br />

are MC1R and c9orf14 .<br />

Objectives: To describe the prevalence <strong>of</strong> germ line mutations in CD-<br />

KN2A and CDK4 in familial melanoma; to evaluate the modifying effect<br />

<strong>of</strong> MC1R polymorphism and c9orf14 variants; to describe a specific<br />

surveillance programme .<br />

Subjects: 70 families with at least 2 cases <strong>of</strong> melanoma (1 <strong>of</strong> 8; 17 <strong>of</strong> 3<br />

and 49 <strong>of</strong> 2) were included .<br />

Methods: Exon 1alfa, 1beta, 2, 3 and IVS2-105, -34G>T at the CD-<br />

KN2A promoter region and EXON 2 from CDK4 were studied by PCR-<br />

SSCP analysis and sequencing; MC1R was studied by sequencing<br />

and c9orf14 variants by SSCP analyses .<br />

Results: CDKN2A mutations were detected in 24% <strong>of</strong> families being<br />

more frequent in families with multiple cases (p

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