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Genetic determinants of UV-susceptibility in non-melanoma skin cancer.


ABSTRACT: A milieu of cytokines and signaling molecules are involved in the induction of UV-induced immune suppression and thus the etiology of non-melanoma skin cancer (NMSC). Targeting the UV-induced immunosuppression pathway, and using a large population based study of NMSC, we have investigated the risk associated with functional variants in 10 genes (IL10, IL4, IL4R, TNF, TNFR2, HTR2A, HRH2, IL12B, PTGS2, and HAL). The most prominent single genetic effect was observed for IL10. There was increasing risk for both basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) with increasing number of variant IL10 haplotypes (BCC: p(trend)?=?0.0048; SCC: p(trend)?=?0.031). Having two IL10 GC haplotypes was associated with increased odds ratios of BCC and SCC (OR(BCC)?=?1.5, 95% CI 1.1-1.9; OR(SCC)?=?1.4, 95% CI 1.0-1.9), and these associations were largely confined to women (OR(BCC)?=?2.2, 95% CI 1.4-3.4; SCC: OR(SCC)?=?1.8, 95% CI 1.1-3.0). To examine how combinations of these variants contribute to risk of BCC and SCC, we used multifactor dimensionality reduction (MDR) and classification and regression trees (CART). Results from both of these methods found that in men, a combination of skin type, burns, IL10, IL4R, and possibly TNFR2 were important in both BCC and SCC. In women, skin type, burns, and IL10 were the most critical risk factors in SCC, with risk of BCC involving these same factors plus genetic variants in HTR2A, IL12B and IL4R. These data suggest differential genetic susceptibility to UV-induced immune suppression and skin cancer risk by gender.

SUBMITTER: Welsh MM 

PROVIDER: S-EPMC3132750 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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Genetic determinants of UV-susceptibility in non-melanoma skin cancer.

Welsh Marleen M MM   Karagas Margaret R MR   Kuriger Jacquelyn K JK   Houseman Andres A   Spencer Steven K SK   Perry Ann E AE   Nelson Heather H HH  

PloS one 20110708 7


A milieu of cytokines and signaling molecules are involved in the induction of UV-induced immune suppression and thus the etiology of non-melanoma skin cancer (NMSC). Targeting the UV-induced immunosuppression pathway, and using a large population based study of NMSC, we have investigated the risk associated with functional variants in 10 genes (IL10, IL4, IL4R, TNF, TNFR2, HTR2A, HRH2, IL12B, PTGS2, and HAL). The most prominent single genetic effect was observed for IL10. There was increasing r  ...[more]

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