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  • Title: MC1R gene variants and sporadic malignant melanoma susceptibility in the Canary Islands population.
    Author: Córdoba-Lanús E, Hernández-Jiménez JG, Medina-Coello C, Espinoza-Jiménez A, González A, Rodríguez-Pérez MD, Carretero-Hernández G, Almeida P, Suárez-Hernández J, Perera-Molinero A, Fernández-de-Misa R.
    Journal: Arch Dermatol Res; 2014 Jan; 306(1):51-8. PubMed ID: 24170137.
    Abstract:
    Several MC1R variants are associated with increased risk of malignant melanoma (MM) in a variety of populations. We aim to examine the influence of the MC1R variants (RHC: D84E, R151C, R160W; NRHC: V60L, R163Q and the synonymous polymorphism T314T) on the MM risk in a population from the Canary Islands. Overall, 1,046 Caucasian individuals were included in the study. A thousand of them were genotyped for MC1R variants: 509 were sporadic MM patients and 491 were healthy control subjects from general population. The analysis was adjusted for age, sex, hair colour, eye colour, skin phototype and ancestry. We found that carriers of the R151C and R163Q variants were at an increased risk for melanoma OR 2.76 (1.59-4.78) and OR 5.62 (2.54-12.42), respectively. The risk of carrying RHC variants was 3.04 (1.90-4.86). Current study confirms the increased MM risk for R151C carriers. It also supports the association between R163Q variant and MM risk in the population on the Canary Islands, as opposed to reported on northern populations. These results highlight the importance of the sample population selection in this kind of studies.
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