Sex-specific genetic effects associated with pigmentation, sensitivity to sunlight, and melanoma in a population of Spanish origin
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Otros documentos de la autoría: Hernando, Barbara; Ibarrola-Villava, Maider; Fernández, Lara P.; Peña Chilet, María; Llorca-Cardeñosa, Marta J.; Oltra, Sara S.; Alonso, Santos; Boyano, Dolores; Martinez-Cadenas, Conrado; Ribas, Gloria
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INVESTIGACIONMetadatos
Título
Sex-specific genetic effects associated with pigmentation, sensitivity to sunlight, and melanoma in a population of Spanish originAutoría
Fecha de publicación
2016-03Editor
BioMed CentralCita bibliográfica
Hernando, B., Ibarrola-Villava, M., Fernandez, L. P., Peña-Chilet, M., Llorca-Cardeñosa, M., Oltra, S. S., ... & Ribas, G. (2016). Sex-specific genetic effects associated with pigmentation, sensitivity to sunlight, and melanoma in a population of Spanish origin. Biology of sex differences, 7(1), 1.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://bsd.biomedcentral.com/articles/10.1186/s13293-016-0070-1Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Background
Human pigmentation is a polygenic quantitative trait with high heritability. In addition to genetic factors, it has been shown that pigmentation can be modulated by oestrogens and androgens via up- or ... [+]
Background
Human pigmentation is a polygenic quantitative trait with high heritability. In addition to genetic factors, it has been shown that pigmentation can be modulated by oestrogens and androgens via up- or down-regulation of melanin synthesis. Our aim was to identify possible sex differences in pigmentation phenotype as well as in melanoma association in a melanoma case-control population of Spanish origin.
Methods
Five hundred and ninety-nine females (316 melanoma cases and 283 controls) and 458 males (234 melanoma cases and 224 controls) were analysed. We genotyped 363 polymorphisms (single nucleotide polymorphisms (SNPs)) from 65 pigmentation gene regions.
Results
When samples were stratified by sex, we observed more SNPs associated with dark pigmentation and good sun tolerance in females than in males (107 versus 75; P = 2.32 × 10−6), who were instead associated with light pigmentation and poor sun tolerance. Furthermore, six SNPs in TYR, SILV/CDK2, GPR143, and F2RL1 showed strong differences in melanoma risk by sex (P < 0.01).
Conclusions
We demonstrate that these genetic variants are important for pigmentation as well as for melanoma risk, and also provide suggestive evidence for potential differences in genetic effects by sex. [-]
Publicado en
Biology of sex differences, 7(1), 2016Derechos de acceso
© 2016 BioMed Central Ltd unless otherwise stated. Part of Springer Science+Business Media.
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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