1. Association of polymorphisms in the Tau and Saitohin genes with Parkinson's disease.
- Author
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Levecque C, Elbaz A, Clavel J, Vidal J S, Amouyel P, Alp''rovitch A, Tzourio C, Chartier-Harlin M C, Levecque, C, Elbaz, A, Clavel, J, Vidal, J S, Amouyel, P, Alpérovitch, A, Tzourio, C, and Chartier-Harlin, M C
- Subjects
PARKINSON'S disease ,GENETIC polymorphisms ,BRAIN diseases ,EXTRAPYRAMIDAL disorders - Abstract
Background: The Saitohin gene has recently been identified in intron 9 of the Tau gene. Because an association between Parkinson's disease and Tau has been described, Saitohin represents a candidate gene for Parkinson's disease.Objective: To test these two genes for their association with Parkinson's disease in a large community based case-control study.Results: Cases (n = 208) were more often homozygotes for the Tau H1 haplotype than controls (n = 483; odds ratio (OR) = 1.71 (95% confidence interval, 1.20 to 2.43); p = 0.003), and the saitohin Q allele was in complete linkage disequilibrium with the H1 haplotype. This association was stronger among cases with Parkinson's disease onset below 65 years (< or =65 years: OR = 2.52 (1.49 to 4.25); p<0.001) than among those with older onset (>65 years: OR = 1.20 (0.73 to 1.98); p<0.47).Conclusions: The data suggest that there is a functional polymorphism at this locus involved in Parkinson's disease. [ABSTRACT FROM AUTHOR]- Published
- 2004
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