Associations Between Genomic Variants in lncRNA-TRPM2-AS and lncRNA-HNF1A-AS1 Genes and Risk of Multiple Sclerosis.

Multiple sclerosis (MS) is a complex genetic trait characterized by demyelination of central nervous system (CNS), inflammation, and progressive neurological dysfunction. There is evidenced that autophagy and stress mechanisms are tightly linked with MS. Previous studies have demonstrated that LncRNAs TRPM2-AS and HNF1A-AS1 are involved in oxidative stress and autophagy, respectively. In the current study, we investigated the association of TRPM2-AS and HNF1A-AS1 single nucleotide polymorphisms (SNPs) with MS risk in 300 Iranian patients and 300 healthy controls. Our results have shown that T allele of the rs933151 was statistically significant underrepresented in MS patients compared with healthy subjects (OR (95% CI) = 0.696 (0.532-0.911), P = 0.005). This SNP was associated with lower MS risk in codominant and dominant models (OR (95% CI) = 0.68 (0.48-0.96), P value = 0.032; OR (95% CI) = 0.65 (0.47-0.91), P value = 0.012, respectively). The rs7953249 was not associated with MS susceptibility in any inheritance models (P values of 0.73, 0.46, 0.61, and 0.71 for codominant, dominant, recessive, and overdominant models, respectively). Present study highlighted a novel association at the TRPM2-AS gene (SNP rs933151) with MS susceptibility.

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