The objective of this study was to determine whether polymorphisms in VDR, CYP27B1, CYP24A1, CYP2R1 and DBP are associated with the risk of MS and whether these variants may modify associations between environmental or dietary vitamin D on MS risk.A nested case-control study was conducted in two, large cohorts of US nurses, including 214 MS cases and 428 age-matched controls. Conditional logistic regression models were used to calculate relative risks (RR) and 95% confidence intervals (CIs) and to assess the significance of gene—environment interactions. No associations were observed for any of the single-nucleotide polymorphisms (SNPs) in VDR, CYP27B1, CYP24A1, CYP2R1 or DBP (p > 0.05 for all). The authors did observe an interaction (p = 0.04) between dietary intake of vitamin D ...
Posted: 2010-02-08 06:48:12
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