Genetic Variants Linked to Melanoma Risk in Spanish Population
Author Information
Author(s): Ibarrola-Villava Maider, Fernandez Lara P., Alonso Santos, Boyano M. Dolores, Peña-Chilet Maria, Pita Guillermo, Aviles Jose A., Mayor Matias, Gomez-Fernandez Cristina, Casado Beatriz, Martin-Gonzalez Manuel, Izagirre Neskuts, De la Rua Concepcion, Asumendi Aintzane, Perez-Yarza Gorka, Arroyo-Berdugo Yoana, Boldo Enrique, Lozoya Rafael, Torrijos-Aguilar Arantxa, Pitarch Ana, Pitarch Gerard, Sanchez-Motilla Jose M., Valcuende-Cavero Francisca, Tomas-Cabedo Gloria, Perez-Pastor Gemma, Diaz-Perez Jose L., Gardeazabal Jesus, de Lizarduy Iñigo Martinez, Sanchez-Diez Ana, Valdes Carlos, Pizarro Angel, Casado Mariano, Carretero Gregorio, Botella-Estrada Rafael, Nagore Eduardo, Lazaro Pablo, Lluch Ana, Benitez Javier, Martinez-Cadenas Conrado, Ribas Gloria
Primary Institution: Fundacion Hospital Clinico Universitario-INCLIVA, Valencia, Spain
Hypothesis
Variations in genes related to pigmentation may be associated with susceptibility to malignant melanoma.
Conclusion
A novel SNP in the SLC45A2 gene is significantly associated with melanoma risk, suggesting its protective role.
Supporting Evidence
- Two SNPs in the SLC45A2 gene were statistically significant after Bonferroni correction.
- Individuals with two or more mutations in MC1R had decreased melanoma risk if they also carried the SLC45A2 protective variant.
- The study is the largest on Spanish sporadic melanoma cases to date.
Takeaway
This study found a gene that helps protect against skin cancer in people with certain skin colors.
Methodology
The study genotyped 363 SNPs in 65 pigmentation-related gene regions in two phases involving 1214 melanoma cases and 1296 controls.
Limitations
The study is limited to a Spanish population and may not be generalizable to other ethnic groups.
Participant Demographics
Participants included 1214 melanoma cases and 1296 controls from various Spanish hospitals.
Statistical Information
P-Value
p<0.0001
Confidence Interval
95% CI 0.67–0.84
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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