International journal of psychiatry in medicine · 2015
rs2043211 polymorphism in CARD8 is not associated with Tourette syndrome in a family-based association study in the Chinese Han population.
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Yi Mingji, Shao Xiaohui, Ma Jianhua, Tian Bo, Zhang Ying, Liu Shiguo
Аннотация
BACKGROUND: Previous studies showed that postinfectious autoimmunity and immune deficiency played an important role in the pathogenesis of Tourette syndrome. CARD8 can suppress activity of NF-ΚB activated by inflammatory mediators.
OBJECTIVE: To study the association between the rs2043211 polymorphism in CARD8 and susceptibility to Tourette syndrome in Chinese Han population.
METHODS: We recruited 279 patients diagnosed with Tourette syndrome and their parents for the study. Genotyping for CARD8 rs2043211 single-nucleotide polymorphism was performed using predesigned TaqMan single-nucleotide polymorphism genotyping assay. The genetic contribution of this single-nucleotide polymorphism was evaluated using transmission disequilibrium test and haplotype relative risk and the haplotype-based haplotype relative risk.
RESULTS: The results of the allelic and genotypic distribution of rs2043211 polymorphism in CARD8 showed that both the Tourette syndrome patients group and the parents group are in Hardy-Weinberg equilibrium. No significant differences were observed in the mutant allele transmission (transmission disequilibrium test = 1.107, df = 1, p = 0.322). Results of haplotype relative risk analysis showed that no statistical significant difference was found in the genotypic frequency (AA/AT/TT) of Tourette syndrome patients passed from parents (haplotype relative risk = 1.152, χ(2 )= 0.494, p = 0.482, 95% CI = 0.777-1.708). Similarly, the analysis of haplotype-based haplotype relative risk was also not to support a statistically significant association in allelic frequency (A/T) of Tourette syndrome patients passed from parents (haplotype-based haplotype relative risk = 1.130, χ(2 )= 1.037, p = 0.308, 95% CI = 0.893-1.429).
CONCLUSION: Our results suggest CARD8 might not play a role in the pathogenesis of Tourette syndrome in Chinese Han population. However, the results still need to be tested in a larger sample and different populations.
OBJECTIVE: To study the association between the rs2043211 polymorphism in CARD8 and susceptibility to Tourette syndrome in Chinese Han population.
METHODS: We recruited 279 patients diagnosed with Tourette syndrome and their parents for the study. Genotyping for CARD8 rs2043211 single-nucleotide polymorphism was performed using predesigned TaqMan single-nucleotide polymorphism genotyping assay. The genetic contribution of this single-nucleotide polymorphism was evaluated using transmission disequilibrium test and haplotype relative risk and the haplotype-based haplotype relative risk.
RESULTS: The results of the allelic and genotypic distribution of rs2043211 polymorphism in CARD8 showed that both the Tourette syndrome patients group and the parents group are in Hardy-Weinberg equilibrium. No significant differences were observed in the mutant allele transmission (transmission disequilibrium test = 1.107, df = 1, p = 0.322). Results of haplotype relative risk analysis showed that no statistical significant difference was found in the genotypic frequency (AA/AT/TT) of Tourette syndrome patients passed from parents (haplotype relative risk = 1.152, χ(2 )= 0.494, p = 0.482, 95% CI = 0.777-1.708). Similarly, the analysis of haplotype-based haplotype relative risk was also not to support a statistically significant association in allelic frequency (A/T) of Tourette syndrome patients passed from parents (haplotype-based haplotype relative risk = 1.130, χ(2 )= 1.037, p = 0.308, 95% CI = 0.893-1.429).
CONCLUSION: Our results suggest CARD8 might not play a role in the pathogenesis of Tourette syndrome in Chinese Han population. However, the results still need to be tested in a larger sample and different populations.