Psychiatric genetics · 2004
Association analysis between Tourette's syndrome and dopamine D1 receptor gene in Taiwanese children.
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Chou I-Ching, Tsai Chang-Hai, Lee Cheng-Chun, Kuo Haung-Tsung, Hsu Yu-An, Li Chia-Ing, Tsai Fuu-Jen
Аннотация
OBJECTIVE: Recent research suggests that Tourette's syndrome (TS) may result from a defect in the dopamine system. The dopamine 1 receptor (DRD1) gene is a candidate gene in the study of the etiology of neuropsychiatric diseases that may involve dopaminergic abnormalities. We sought to test the hypothesis that the DRD1 gene might play a role in TS.
METHODS: By performing an association study, we collected an independent sample of patients from the midland region of Taiwan and investigated whether DRD1 gene polymorphisms can be used as markers of susceptibility to TS. A total of 148 children with TS and 83 normal control subjects were included in the study. A polymerase chain reaction was used to identify the A/G polymorphism of the DRD1 gene. Genotypes and allelic frequencies for the DRD1 gene polymorphisms in both groups were compared.
RESULTS: The results showed that genotypes and allelic frequencies for the DRD1 gene polymorphisms in both groups were not significantly different.
CONCLUSION: These data suggest that DRD1 gene may not be a useful marker for prediction of the susceptibility of TS.
METHODS: By performing an association study, we collected an independent sample of patients from the midland region of Taiwan and investigated whether DRD1 gene polymorphisms can be used as markers of susceptibility to TS. A total of 148 children with TS and 83 normal control subjects were included in the study. A polymerase chain reaction was used to identify the A/G polymorphism of the DRD1 gene. Genotypes and allelic frequencies for the DRD1 gene polymorphisms in both groups were compared.
RESULTS: The results showed that genotypes and allelic frequencies for the DRD1 gene polymorphisms in both groups were not significantly different.
CONCLUSION: These data suggest that DRD1 gene may not be a useful marker for prediction of the susceptibility of TS.