期刊
MOVEMENT DISORDERS
卷 27, 期 1, 页码 132-135出版社
WILEY-BLACKWELL
DOI: 10.1002/mds.23805
关键词
Parkinson's disease; dyskinesia; genetics; COMT
资金
- van Alkemade-Keuls Foundation
- Dutch Parkinson's Disease Society
Background: The A-allele of the catechol-O-methyltransferase (COMT) Val158Met polymorphism is associated with decreased enzymatic activity and higher dopamine availability. Methods: We studied 219 patients with PD who were free of dyskinesias at baseline and underwent thorough annual examinations. Results: The A-allele of the COMT Val158Met polymorphism was related to an increased risk of developing dyskinesias during follow-up, in a dose-dependent manner (adjusted hazard ratios for the AG and AA genotypes [compared to GG]: 2.09 [95% confidence interval (CI), 1.07-4.06] and 2.81 [CI, 1.43-5.54], respectively). Conclusions: This finding suggests that genetic factors may affect susceptibility to dyskinesias in PD. (C) 2011 Movement Disorder Society
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