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Association of transferrin G258A and transferrin receptor A82G polymorphisms with the risk of Parkinson disease in certain area.


ABSTRACT:

Background

It has been reported that polymorphisms of transferrin (TF) G258A and transferrin receptor (TFR) A82G might be associated with susceptibility to Parkinson disease (PD).

Objective

Owing to limitation of sample size and inconclusive results, we conducted a meta-analysis to clarify the association.

Methods

By searching PubMed, Embase, Chinese National Knowledge Infrastructure, China Biological Medicine Database, and Wanfang Databases, the published articles about studies of the association of the TF G258A, TFR A82G gene polymorphisms with the risk of PD were collected. Q-statistics and I statistics were calculated to examine heterogeneity and summary odds ratios (ORs) and 95% confidence intervals (95%CI) were evaluated the association.

Results

Five studies assessed the relationship between TF G258A and risk of PD. A significant increased protective of A allele and AA genotype was observed in allele model and recessive model (the allele model A vs G: OR = 0.54, 95%CI 0.40-0.72, P < .001; the recessive model AA vs GA + GG: OR = 0.32, 95%CI 0.20-0.52, P < .001). The remaining models of the TF G258A genotype showed no significant association with PD risk, while the protective tendency were increased (the heterozygote model GA vs GG: OR = 0.93, 95%CI 0.61-1.43, P = .75; the homozygous model AA vs GG: OR = 0.47, 95%CI 0.21-1.04, P = .06; the dominant model GA + AA vs GG: OR = 0.75, 95%CI 0.50-1.11, P = .15). There was also a lack of association between TFR A82G polymorphism and PD (the allele model G vs A: OR = 0.92, 95%CI 0.75-1.13, P = .43; the heterozygote model AG vs AA: OR = 1.17, 95%CI 0.79-1.71, P = .43; the homozygous model GG vs AA: OR = 0.91, 95%CI 0.60-139, P = .66; the dominant model AG + GG vs AA: OR = 1.05, 95%CI 0.73-1.49, P = .81; the recessive model GG vs AG +AA: OR = 0.80, 95%CI 0.59-1.09, P = .16).

Conclusion

Our study suggests that TF G258A polymorphism may be associated with PD, while TFR A82G polymorphism may not contribute to PD based on the current evidence.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC7710248 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Publications

Association of transferrin G258A and transferrin receptor A82G polymorphisms with the risk of Parkinson disease in certain area.

Wang Yan Y   Wang Yong Y   Zhou Minhua M   Jiang Deqi D   Deng Xun X  

Medicine 20201101 48


<h4>Background</h4>It has been reported that polymorphisms of transferrin (TF) G258A and transferrin receptor (TFR) A82G might be associated with susceptibility to Parkinson disease (PD).<h4>Objective</h4>Owing to limitation of sample size and inconclusive results, we conducted a meta-analysis to clarify the association.<h4>Methods</h4>By searching PubMed, Embase, Chinese National Knowledge Infrastructure, China Biological Medicine Database, and Wanfang Databases, the published articles about st  ...[more]

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