Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2013
Meta-analysis of the influence of DRD3 Ser9Gly variant on susceptibility for essential tremor.
СтатьяМетаанализНазвание и аннотация: Перевод пока не подготовлен
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Mao Xueye, Wang Tinghua, Liu Ming, Chang Xueli, Li Nannan, Gu Yingli, Zhao Dongmei, Liao Qiao, Peng Rong
Аннотация
The dopamine D3 receptor (DRD3) Ser9Gly variant has attracted more attention since the variant was observed to be associated with risk of essential tremor (ET). A number of association studies concerning the DRD3 Ser9Gly variant and ET susceptibility have been conducted in various populations. However, some results were contradictory. To derive a more precise estimation of the relationship between the DRD3 Ser9Gly variant and the genetic risk of ET, we performed a comprehensive meta-analysis which included seven case-control studies. The meta-analysis was conducted in four genetic models: dominant, recessive, heterozygous, and homozygous. The odds ratio and 95% confidence intervals were used as the measure of association. The combined results of overall analysis showed a lack of association of the DRD3 Ser9Gly variant and ET, regardless of the genetic model of Ser9Gly. Publication bias and heterogeneity were absent in most analyses. In conclusion, the present meta-analysis does not support the notion that the DRD3 Ser9Gly variant is a genetic risk factor for ET.