Lack of association between polymorphism -592A/C in the promoter region of the IL10 gene and Tourette's syndrome in a family-based association study in the Chinese Han population.

We evaluated the genetic contribution of the IL10-592A/C polymorphism in 108 trios with Tourette's syndrome (TS) including all their parents in a Chinese Han population by using the transmission disequilibrium test and haplotype relative risk design; no evidence for association or linkage disequilibrium was found between IL10-592A/C polymorphism and TS. These results suggested that IL10 may not play a major role in the development of TS in the Chinese Han population.

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