Association between SNCA rs356220 polymorphism and Parkinson's disease: A meta-analysis.
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| Abstract |
Several studies have investigated the correlation between single nucleotide polymorphism (SNP) rs356220 in the α-synuclein (SNCA) gene and Parkinson's disease (PD) with inconsistent results. Herein, a meta-analysis was conducted to ascertain the association of the SNCA rs356220 polymorphism with the risk of PD. Six eligible articles involving 5333 PD cases and 5477 controls were included in this meta-analysis. The pooled odds ratios (OR) and 95 % confidence interval (CI) were calculated to estimate the association. The fixed or random effect was selected based on the homogeneity among studies. Heterogeneity was detected by I2. We performed sensitivity analysis to test the stablility of the results. Publication bias was evaluated by Funnel plot and Begg's test. The pooled results showed a significant association between SNCA rs356220 gene polymorphism and PD susceptibility in the codominant (FEM: OR = 1.31, 95 % CI = 1.24-1.39), dominant (FEM: OR = 1.38, 95 % CI = 1.27-1.49) and recessive (FEM: OR = 1.52, 95 % CI = 1.38-1.68) models. Furthermore, in the subgroup analysis stratified by ethnicity, increased risk of PD was identified in both Caucasian and Asian populations. Overall, the present meta-analysis provided evidence supporting that SNCA rs356220 polymorphism might act as a genetic susceptibility factor for PD.
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| Authors | Mingxia Bi, Shan Kang, Xixun Du, Qian Jiao, Hong Jiang |
| Journal | Neuroscience letters (Neurosci Lett) Vol. 717 Pg. 134703 (01 19 2020) ISSN: 1872-7972 [Electronic] Ireland |
| PMID | 31863812 (Publication Type: Journal Article, Meta-Analysis, Research Support, Non-U.S. Gov't) |
| Copyright | Copyright © 2019 Elsevier B.V. All rights reserved. |
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