An Analysis of the Association between Epilepsy-Related Genes and Vertigo in the Polish Population.

Considering the possibility of a common genetic background of vertigo and epilepsy, we genotyped an affected group of individuals with vertigo and an unaffected group, by studying 26 single-nucleotide polymorphisms (SNPs) in 14 genes which were previously reported to be of particular importance for epilepsy. Significant differences were found between the patients and the control group (χ2 = 38.3, df = 3, p = 1.6 × 10-7) for the frequencies of haplotypes consist ing of 2 SNPs located in chromosome 11 (rs1939012 and rs1783901 within genes MMP8 and SCN3B, respectively). The haplotype rs1939012:C-rs1783901:A, consisting of the minor-frequency alleles was found to be associated with a higher risk of vertigo (OR = 5.0143, 95% CI = 1.6991-14.7980, p = 0.0035). In contrast, the haplotype rs1939012:T-rs1783901:A showed a significant association with a decreased risk of the disease (OR = 0.0597, 95% CI = 0.0136-0.2620, p = 0.0002). Our results suggest that the SNPs rs1939012 and rs1783901 may play a potential role of gene regulation and/or epistasis in a complex etiology of vertigo.

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