The Interplay between Natural Selection and Susceptibility to Melanoma on Allele 374F of SLC45A2 Gene in a South European Population
Scholar | Otros documentos del autor: López, Saioa; García, Oscar; Yurrebaso, Iñaki; Flores, Carlos; Acosta-Herrera, Marialbert; Chen, Hua; Gardeazabal, Jesús; Careaga, Jesús María; Boyano, Dolores; Sánchez, Ana; Ratón-Nieto, Juan Antonio; Sevilla, Arrate; Smith-Zubiaga, I.; García de Galdeano, Alicia; Martínez Cadenas, Conrado; Izagirre, Neskuts; de la Rúa, Concepción; Alonso, Santos
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TítuloThe Interplay between Natural Selection and Susceptibility to Melanoma on Allele 374F of SLC45A2 Gene in a South European Population
Fecha de publicación2014
Versión del editorhttp://www.plosone.org/article/fetchObject.action?uri=info:doi/10.1371/journal.p ...
EditorPublic Library of Science
We aimed to study the selective pressures interacting on SLC45A2 to investigate the interplay between selection and susceptibility to disease. Thus, we enrolled 500 volunteers from a geographically limited population ... [+]
We aimed to study the selective pressures interacting on SLC45A2 to investigate the interplay between selection and susceptibility to disease. Thus, we enrolled 500 volunteers from a geographically limited population (Basques from the North of Spain) and by resequencing the whole coding region and intron 5 of the 34 most and the 34 least pigmented individuals according to the reflectance distribution, we observed that the polymorphism Leu374Phe (L374F, rs16891982) was statistically associated with skin color variability within this sample. In particular, allele 374F was significantly more frequent among the individuals with lighter skin. Further genotyping an independent set of 558 individuals of a geographically wider population with known ancestry in the Spanish population also revealed that the frequency of L374F was significantly correlated with the incident UV radiation intensity. Selection tests suggest that allele 374F is being positively selected in South Europeans, thus indicating that depigmentation is an adaptive process. Interestingly, by genotyping 119 melanoma samples, we show that this variant is also associated with an increased susceptibility to melanoma in our populations. The ultimate driving force for this adaptation is unknown, but it is compatible with the vitamin D hypothesis. This shows that molecular evolution analysis can be used as a useful technology to predict phenotypic and biomedical consequences in humans. [-]
Cita bibliográficaLópez S, García Ó, Yurrebaso I, Flores C, Acosta-Herrera M, Chen H, et al. (2014) The Interplay between Natural Selection and Susceptibility to Melanoma on Allele 374F of SLC45A2 Gene in a South European Population. PLoS ONE 9(8): e104367. doi:10.1371/journal.pone.0104367
Tipo de documentoinfo:eu-repo/semantics/article
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