期刊
CANCER
卷 113, 期 9, 页码 2398-2407出版社
WILEY
DOI: 10.1002/cncr.23867
关键词
melanoma; risk; vitamin D receptor; polymorphism; meta-analysis
类别
It has been hypothesized that polymorphisms in the vitamin D receptor (VDR) gene affect the risk of developing melanoma. However, results often are conflicting, and no meta-analysis has been performed to date on published data. Six studies (cases, 2152; controls, 2410) that investigated the association between 5 VDR polymorphisms (Taql, Fokl, Bsml, EcoRV, and Cdx2) and the risk of melanoma were retrieved and analyzed. The model-free approach was applied to meta-analyze these molecular association studies. Available data Suggested a significant association between the BsmI VDR polymorphism and melanoma risk (pooled odds ratio [OR], 1.30; 95% confidence interval [CI], 1.11-1.53; P = .002; heterogeneity Cochran Q test, P > .1), and the population-attributable risk was 9.2%. In contrast, the Fokl polymorphism did not appear to be associated with such risk (OR, 1.09; 95% CI, 0.99-1.21; P = .07; heterogeneity Cochran Q test, P > .1). For the Taql and the EcoRV polymorphisms, significant between-study heterogencity did not support genotype data pooling. Only 1 study investigated the Cdx2 variant, and the findings were negative. Current evidence is in favor of an association between 1 VDR gene polvinorphisin (Bsml) and the risk of developing melanoma. The current findings prompt further investigation oil this subject and indirectly support the hypothesis that sun exposure may have ail antimelanoma effect through activation of the vitamin D system. Cancer 2008;113:2398407. (C) 2008 American Cancer Society.
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