[Meta-analysis on relationship between the Chinese maternal MTHFR gene polymorphism(C677T) and neural tube defects in offspring].

亚甲基四氢叶酸还原酶 神经管 优势比 后代 基因型 医学 荟萃分析 单核苷酸多态性 遗传学 怀孕 内科学 生物 基因 胚胎
作者
Chunhong Zhang,Junsheng Huo,Jing Sun,Jian Huang,Wei Piao,Jiyong Yin
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期刊:PubMed 卷期号:47 (2): 312-317 被引量:6
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To explore the association between maternal MTHFR gene polymorphism( C677T) and neural tube defects in offspring through Meta-analysis in China.CNKI, Pub Med, Web of Science, Chinese Wan Fang Data databases, CBM, VIP for published articles were searched from the time of Database establishment to July 5 th 2017. The search strategy was based on combinations of the English and/or Chinese keywords, 'MTHFR'and 'folate pathway'and 'polymorphism'or 'SNP'and'NTDs or Neural Tube Defects'. References of reviews and retrieved studies were also scanned. All the case-control studies about MTHFR gene C677T polymorphism and susceptibility of neural tube defect were collected, which were fulfilled the followinginclusion criteria: case-control study and cohort study design, presentation of data necessary for calculating odds ratios( ORs). Data were extracted from studies and analyzed by Rev Man 5. 3 software.A total of 13 papers were selected, including1500 patients and 1654 controls. Meta-analysis result showed that the combined odds ratio values of neural tube defect for offspring with maternal TT, TT + CT and T allele genotypes were 1. 94, 1. 65 and 1. 39, respectively.The present Meta-analysis suggests that MTHFR C677T is significantly associated with maternal risk for NTDs in the Chinese population, supplemental folic acid supplementation based on MTHFR polymorphisms will be an important means to further reduce the birth defects of newborns.

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