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Methylenetetrahydrofolate reductase gene C677T, A1298C polymorphisms and pre-eclampsia risk: a meta-analysis

To determine whether methylenetetrahydrofolate reductase ( MTHFR ) C677T and A1298C polymorphisms are associated with pre-eclampsia susceptibility. Literature searches of the Pubmed, Embase, BIOSIS Previews and Web of Science were conducted to identify all eligible articles up to January 18th, 2013.... Full description

Journal Title: Molecular Biology Reports 2014, Vol.41(8), pp.5435-5448
Main Author: Li, Xing
Other Authors: Luo, Ya , Zhang, Qiong , Mao, Chen , Wang, Xi , Liu, Shan , Chen, Qing
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0301-4851 ; E-ISSN: 1573-4978 ; DOI: 10.1007/s11033-014-3415-z
Link: http://dx.doi.org/10.1007/s11033-014-3415-z
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title: Methylenetetrahydrofolate reductase gene C677T, A1298C polymorphisms and pre-eclampsia risk: a meta-analysis
format: Article
creator:
  • Li, Xing
  • Luo, Ya
  • Zhang, Qiong
  • Mao, Chen
  • Wang, Xi
  • Liu, Shan
  • Chen, Qing
subjects:
  • 5,10-Methylenetetrahydrofolate reductase
  • Meta-analysis
  • Pre-eclampsia
  • Polymorphism
  • Susceptibility
ispartof: Molecular Biology Reports, 2014, Vol.41(8), pp.5435-5448
description: To determine whether methylenetetrahydrofolate reductase ( MTHFR ) C677T and A1298C polymorphisms are associated with pre-eclampsia susceptibility. Literature searches of the Pubmed, Embase, BIOSIS Previews and Web of Science were conducted to identify all eligible articles up to January 18th, 2013. The pooled odds ratios (ORs) with 95 % confidence intervals (CIs) of five genetic models were calculated by fixed-effects or random-effects model. Publication bias, subgroup analysis, meta-regression and sensitivity analysis were also performed. A number of 49 studies including 51 samples consisted of 18,009 subjects (6,238 patients and 11,771 controls) were finally included. MTHFR C677T allele (TT or CT) carriers were 1.12 times more likely to develop pre-eclampsia (95 % CI 1.04–1.21) compared with 677CC homozygous individuals. Similar results were obtained under other genetic models. Restricted to severe pre-eclampsia, there was an increased risk for 677TT homozygotes compared with 677CC homozygotes (OR 1.43; 95 % CI 1.12–1.83). Subgroup analysis revealed a significant positive association between the C677T polymorphism (TT or CT) and pre-eclampsia in Asians (OR 1.41; 95 % CI 1.11–1.79) and white population (OR 1.14; 95 % CI 1.03–1.25). Meta-regression showed that study population, blinded genotyping, matching of cases and controls were not substantial sources of heterogeneity. For the MTHFR A1298C, ORs for all genetic models yielded a null association. This meta-analysis suggests that the MTHFR 677T allele might be associated with increased pre-eclampsia risk in Asian and white ethnicity and the subgroup of severe pre-eclampsia, while no association is observed between the MTHFR A1298C polymorphism and pre-eclampsia.
language: eng
source:
identifier: ISSN: 0301-4851 ; E-ISSN: 1573-4978 ; DOI: 10.1007/s11033-014-3415-z
fulltext: fulltext
issn:
  • 1573-4978
  • 15734978
  • 0301-4851
  • 03014851
url: Link


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titleMethylenetetrahydrofolate reductase gene C677T, A1298C polymorphisms and pre-eclampsia risk: a meta-analysis
creatorLi, Xing ; Luo, Ya ; Zhang, Qiong ; Mao, Chen ; Wang, Xi ; Liu, Shan ; Chen, Qing
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subject5,10-Methylenetetrahydrofolate reductase ; Meta-analysis ; Pre-eclampsia ; Polymorphism ; Susceptibility
descriptionTo determine whether methylenetetrahydrofolate reductase ( MTHFR ) C677T and A1298C polymorphisms are associated with pre-eclampsia susceptibility. Literature searches of the Pubmed, Embase, BIOSIS Previews and Web of Science were conducted to identify all eligible articles up to January 18th, 2013. The pooled odds ratios (ORs) with 95 % confidence intervals (CIs) of five genetic models were calculated by fixed-effects or random-effects model. Publication bias, subgroup analysis, meta-regression and sensitivity analysis were also performed. A number of 49 studies including 51 samples consisted of 18,009 subjects (6,238 patients and 11,771 controls) were finally included. MTHFR C677T allele (TT or CT) carriers were 1.12 times more likely to develop pre-eclampsia (95 % CI 1.04–1.21) compared with 677CC homozygous individuals. Similar results were obtained under other genetic models. Restricted to severe pre-eclampsia, there was an increased risk for 677TT homozygotes compared with 677CC homozygotes (OR 1.43; 95 % CI 1.12–1.83). Subgroup analysis revealed a significant positive association between the C677T polymorphism (TT or CT) and pre-eclampsia in Asians (OR 1.41; 95 % CI 1.11–1.79) and white population (OR 1.14; 95 % CI 1.03–1.25). Meta-regression showed that study population, blinded genotyping, matching of cases and controls were not substantial sources of heterogeneity. For the MTHFR A1298C, ORs for all genetic models yielded a null association. This meta-analysis suggests that the MTHFR 677T allele might be associated with increased pre-eclampsia risk in Asian and white ethnicity and the subgroup of severe pre-eclampsia, while no association is observed between the MTHFR A1298C polymorphism and pre-eclampsia.
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titleMethylenetetrahydrofolate reductase gene C677T, A1298C polymorphisms and pre-eclampsia risk: a meta-analysis
descriptionTo determine whether methylenetetrahydrofolate reductase ( MTHFR ) C677T and A1298C polymorphisms are associated with pre-eclampsia susceptibility. Literature searches of the Pubmed, Embase, BIOSIS Previews and Web of Science were conducted to identify all eligible articles up to January 18th, 2013. The pooled odds ratios (ORs) with 95 % confidence intervals (CIs) of five genetic models were calculated by fixed-effects or random-effects model. Publication bias, subgroup analysis, meta-regression and sensitivity analysis were also performed. A number of 49 studies including 51 samples consisted of 18,009 subjects (6,238 patients and 11,771 controls) were finally included. MTHFR C677T allele (TT or CT) carriers were 1.12 times more likely to develop pre-eclampsia (95 % CI 1.04–1.21) compared with 677CC homozygous individuals. Similar results were obtained under other genetic models. Restricted to severe pre-eclampsia, there was an increased risk for 677TT homozygotes compared with 677CC homozygotes (OR 1.43; 95 % CI 1.12–1.83). Subgroup analysis revealed a significant positive association between the C677T polymorphism (TT or CT) and pre-eclampsia in Asians (OR 1.41; 95 % CI 1.11–1.79) and white population (OR 1.14; 95 % CI 1.03–1.25). Meta-regression showed that study population, blinded genotyping, matching of cases and controls were not substantial sources of heterogeneity. For the MTHFR A1298C, ORs for all genetic models yielded a null association. This meta-analysis suggests that the MTHFR 677T allele might be associated with increased pre-eclampsia risk in Asian and white ethnicity and the subgroup of severe pre-eclampsia, while no association is observed between the MTHFR A1298C polymorphism and pre-eclampsia.
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abstractTo determine whether methylenetetrahydrofolate reductase ( MTHFR ) C677T and A1298C polymorphisms are associated with pre-eclampsia susceptibility. Literature searches of the Pubmed, Embase, BIOSIS Previews and Web of Science were conducted to identify all eligible articles up to January 18th, 2013. The pooled odds ratios (ORs) with 95 % confidence intervals (CIs) of five genetic models were calculated by fixed-effects or random-effects model. Publication bias, subgroup analysis, meta-regression and sensitivity analysis were also performed. A number of 49 studies including 51 samples consisted of 18,009 subjects (6,238 patients and 11,771 controls) were finally included. MTHFR C677T allele (TT or CT) carriers were 1.12 times more likely to develop pre-eclampsia (95 % CI 1.04–1.21) compared with 677CC homozygous individuals. Similar results were obtained under other genetic models. Restricted to severe pre-eclampsia, there was an increased risk for 677TT homozygotes compared with 677CC homozygotes (OR 1.43; 95 % CI 1.12–1.83). Subgroup analysis revealed a significant positive association between the C677T polymorphism (TT or CT) and pre-eclampsia in Asians (OR 1.41; 95 % CI 1.11–1.79) and white population (OR 1.14; 95 % CI 1.03–1.25). Meta-regression showed that study population, blinded genotyping, matching of cases and controls were not substantial sources of heterogeneity. For the MTHFR A1298C, ORs for all genetic models yielded a null association. This meta-analysis suggests that the MTHFR 677T allele might be associated with increased pre-eclampsia risk in Asian and white ethnicity and the subgroup of severe pre-eclampsia, while no association is observed between the MTHFR A1298C polymorphism and pre-eclampsia.
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doi10.1007/s11033-014-3415-z
pages5435-5448
date2014-08