A Meta-analysis of Methylenetetrahydrofolate Reductase Gene C677T Polymorphism and Diabetic Retinopathy

2013 ◽  
Vol 9 (3) ◽  
pp. 445-454
Author(s):  
H. Ren
Keyword(s):  
Diabetic Retinopathy ◽  
Methylenetetrahydrofolate Reductase ◽  
Meta Analysis ◽  
C677t Polymorphism ◽  
Reductase Gene ◽  
Methylenetetrahydrofolate Reductase Gene

scholarly journals Methylenetetrahydrofolate reductase gene C677T polymorphism and risk of alcohol dependence

2020 ◽  
Author(s):  
Vandana Rai ◽  
Pradeep Kumar
Keyword(s):  
Alcohol Dependence ◽  
Methylenetetrahydrofolate Reductase ◽  
Meta Analysis ◽  
Mthfr C677t ◽  
Mthfr Gene ◽  
Random Effects Model ◽  
C677t Polymorphism ◽  
Mthfr C677t Polymorphism ◽  
Reductase Gene ◽  
Methylenetetrahydrofolate Reductase Gene

AbstractAlcohol dependence is a complex neuropsychiatric disorder. Numerous studies investigated association between MTHFR gene C677T polymorphism and alcohol dependence (AD), but the results of this association remain conflicting. Accordingly, authors conducted a meta-analysis to further investigate such an association. PubMed, Elsevier Science Direct and Springer Link databases were searched for studies on the association between the MTHFR C677T polymorphism and AD. Pooled odds ratio (OR) with 95% confidence interval (CI) was calculated using the fixed- or random-effects model. Statistical analysis was performed with the software program MetaAnayst and MIX.A total of 11 articles were identified through a search of electronic databases, up to February 28, 2020. The results of the present meta-analysis did not show any association between MTHFR C677T polymorphisms and AD risk (for T vs. C: OR = 1.04, 95% CI = 0.88-1.24; CT vs. CC: OR=1.02, 95%CI= 0.62-1.68; for TT + CT vs. CC: OR = 1.10, 95% CI = 0.94-1.29; for TT vs. CC: OR = 1.01, 95% CI = 0.66-1.51; for TT vs. CT + CC: OR = 0.97, 95% CI = 0.66-1.40). Results of subgroup analysis showed no significant association between MTHFR C677T polymorphism with AD in Asian as well as in Caucasian population. In conclusion, C677T polymorphism is not a risk factor for alcohol dependence.

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