Vitamin D3 Receptor (VDR) Gene rs2228570 (Fok1) and rs731236 (Taq1) Variants Are Not Associated with the Risk for Multiple Sclerosis: Results of a New Study and a Meta-Analysis

Elena García-Martín, José A G Agúndez, Carmen Martínez, Julián Benito-León, Jorge Millán-Pascual, Patricia Calleja, María Díaz-Sánchez, Diana Pisa, Laura Turpín-Fenoll, Hortensia Alonso-Navarro, Lucía Ayuso-Peralta, Dolores Torrecillas, José Francisco Plaza-Nieto and Félix Javier Jiménez-Jiménez

PLOS ONE, 2013, vol. 8, issue 6, 1-11

Abstract: Background: Some epidemiological, genetic, and experimental data suggest a possible role of vitamin D in the pathogenesis of multiple sclerosis (MS) and in experimental autoimmune encephalomyelitis. Data on the possible contribution of several single nucleotide polymorphisms (SNP) in the vitamin D receptor (VDR) gene to the risk for MS are controversial. Several studies suggested an interaction between some SNPs in the VDR gene and HLADRB1*1501 in the risk for MS. Objectives: The aim of this study was to investigate a possible influence of the SNPs rs2228570 and rs731236 in the VDR gene in the risk for MS. A secondary objective was to address the possible interactions between VDR genes and HLADRB1*1501. Methods: We analyzed the allelic and genotype frequency of VDR rs2228570, rs731236, and HLADRB1*1501 (rs3135388) in 303 patients with MS and 310 healthy controls, using TaqMan Assays. We also conducted a meta-analysis, that was carried out by using the software Meta-Disc 1.1.1 (http://www.hrc.es/investigacion/metadisc.html; Unit of Clinical Statistics, Hospital Ramón y Cajal, Madrid, Spain). Heterogeneity between studies in terms of degree of association was tested using the Q-statistic. Results: VDR rs2228570 and rs731236 allelic and genotype frequencies did not differ significantly between MS patients and controls, and were unrelated with the age of onset of MS, gender, and course of MS. HLADRB1*1501 showed a high association with the risk of developing MS 4.76(95% C.I. = 3.14–7.27; p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0065487

DOI: 10.1371/journal.pone.0065487

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