Vitamin D receptor gene as a candidate gene for Parkinson disease.
Vitamin D receptor gene as a candidate gene for Parkinson disease.
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DOI：
10.1111/j.1469-1809.2010.00631.x
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发表时间：
2011-03
影响因子：
1.9
通讯作者：
Wang L
中科院分区：
文献类型：
--
作者：
Butler MW;Burt A;Edwards TL;Zuchner S;Scott WK;Martin ER;Vance JM;Wang L
Vitamin D and vitamin D receptor (VDR) have been postulated as environmental and genetic factors in neurodegeneration disorders including multiple sclerosis (MS), Alzheimer disease (AD), and recently Parkinson disease (PD). Given the sparse data on PD and VDR, we conducted a two-stage study to evaluate the genetic effects of VDR in PD. In the discovery stage, 30 tagSNPs in VDR were tested for association with PD risk as a discrete trait and age-at-onset of PD as a quantitative trait in 770 Caucasian PD families. In the validation stage, 18 VDR SNPs were tested in an independent Caucasian cohort (267 cases and 267 controls) constructed from a genome-wide association study (GWAS). In the discovery dataset, SNPs in the 5′ end of VDR were associated with both risk and age-at-onset with more significant evidence of association with age-at-onset (nominal p=0.0008 for the most significant SNPs). These SNPs were also associated with AD in a recent GWAS. In the validation dataset, SNPs in the 3′ end of VDR were associated with age-at-onset (nominal p=0.003 for the most significant SNPs but not risk. The most significant 3′end SNP has been be associated with both MS and AD. Our findings suggest VDR as a potential susceptibility gene and support an essential role of vitamin D in PD.
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