Fang Liu, Guangyue Qin, T. Tang, Qingdong Huang, Zhijun Li, He Huang, Xiaoling Lu
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Results: Overall, twenty-one studies relevant to MTHFR gene rs1801133 C>T polymorphisms and lung cancer susceptibility were included. The pooled data showed subject with T allele had significant increased risk of developing lung cancer in dominant (OR=1.14, 95%CI: 1.01-1.28, p<0.05), recessive (OR=1.26, 95%CI:1.08-1.48, p<0.01) and homologous (OR=1.36, 95%CI:1.12-1.65, p<0.01) genetic model. Begg’s funnel plot and Egger’s line regression test showed significant publication bias in all genetic models. Conclusion: Based on present data, subjects with TT or CT alleles may have increased susceptibility to lung cancer. However, due to significant publication bias, the conclusion should be drawn with caution and should be proved by further well-designed case-control or cohort studies relevant to MTHFR gene rs1801133 C>T polymorphisms and lung cancer risk.","PeriodicalId":20792,"journal":{"name":"Pteridines","volume":"30 1","pages":"65 - 73"},"PeriodicalIF":0.5000,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/pteridines-2019-0008","citationCount":"6","resultStr":"{\"title\":\"Methylenetetrahydrofolate Reductase (MTHFR) Gene rs1801133 C>T Polymorphisms and Lung Cancer Susceptibility: An Updated Meta-analysis\",\"authors\":\"Fang Liu, Guangyue Qin, T. 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Results: Overall, twenty-one studies relevant to MTHFR gene rs1801133 C>T polymorphisms and lung cancer susceptibility were included. The pooled data showed subject with T allele had significant increased risk of developing lung cancer in dominant (OR=1.14, 95%CI: 1.01-1.28, p<0.05), recessive (OR=1.26, 95%CI:1.08-1.48, p<0.01) and homologous (OR=1.36, 95%CI:1.12-1.65, p<0.01) genetic model. Begg’s funnel plot and Egger’s line regression test showed significant publication bias in all genetic models. Conclusion: Based on present data, subjects with TT or CT alleles may have increased susceptibility to lung cancer. 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引用次数: 6
摘要
摘要目的:本研究旨在通过收集公开发表的数据,探讨亚甲基四氢叶酸还原酶(MTHFR)基因rs1801133 C >t多态性与肺癌易感性的关系。方法:系统检索Medline、Web of Science、Embase、谷歌scholar、CBM、CNKI等电子数据库,查找MTHFR基因rs1801133 C>T多态性与肺癌易感性的相关研究。采用随机或固定效应模型下的优势比(OR)效应大小及相应的95%可信区间(95% ci)对肺癌患者与健康对照组相比TT、CT和CC等位基因的比值进行汇总。采用Begg’s漏斗图和Egger’s直线回归检验分析发表偏倚。结果:共纳入21项与MTHFR基因rs1801133 C>T多态性与肺癌易感性相关的研究。合并数据显示,携带T等位基因的受试者在显性(OR=1.14, 95%CI: 1.01 ~ 1.28)、pT多态性与肺癌风险均显著增加。
Methylenetetrahydrofolate Reductase (MTHFR) Gene rs1801133 C>T Polymorphisms and Lung Cancer Susceptibility: An Updated Meta-analysis
Abstract Objective: The aim of this study was to investigate the methylenetetrahydrofolate reductase (MTHFR) gene rs1801133 C>T polymorphisms and lung cancer susceptibility by pooling openly published data. Methods: Electronic databases of Medline, Web of Science, Embase, Google scholar, CBM and CNKI were systematic searched to find the relevant studies related to MTHFR gene rs1801133 C>T polymorphisms and lung cancer susceptibility. The odds of TT, CT and CC alleles in lung cancer patients compared with healthy controls was pooled by the effect size of odds ratio (OR) and corresponding 95% confidence interval (95%CI) under random or fixed effect model. Publication bias was analyzed by Begg’s funnel plot and Egger’s line regression test. Results: Overall, twenty-one studies relevant to MTHFR gene rs1801133 C>T polymorphisms and lung cancer susceptibility were included. The pooled data showed subject with T allele had significant increased risk of developing lung cancer in dominant (OR=1.14, 95%CI: 1.01-1.28, p<0.05), recessive (OR=1.26, 95%CI:1.08-1.48, p<0.01) and homologous (OR=1.36, 95%CI:1.12-1.65, p<0.01) genetic model. Begg’s funnel plot and Egger’s line regression test showed significant publication bias in all genetic models. Conclusion: Based on present data, subjects with TT or CT alleles may have increased susceptibility to lung cancer. However, due to significant publication bias, the conclusion should be drawn with caution and should be proved by further well-designed case-control or cohort studies relevant to MTHFR gene rs1801133 C>T polymorphisms and lung cancer risk.
期刊介绍:
Pteridines is an open acess international quarterly journal dealing with all aspects of pteridine research. Pteridines are heterocyclic fused ring compounds involved in a wide range of biological functions from the color on butterfly wings to cofactors in enzyme catalysis to essential vitamins. Of the pteridines, 5,6,7,8-tetrahydrobiopterin is the necessary cofactor of several aromatic amino acid monoxygenases, the nitric oxide synthases and glyceryl ether monoxygenase (GEMO). Neopterin plays an essential role in the immune system and is an important biomarker in laboratory medicine for diseases such as HIV, cardiovascular disease, malignant tumors, among others.
Topics:
-Neopterin, dihydroneopterin, monapterin-
Biopterin, tetrahydrobiopterin-
Folates, antifolates, riboflavin-
Phenylalanine, tyrosine, phenylketonuria, serotonin, adrenalin, noradrenalin, L-DOPA, dopamine, related biogenic amines-
Phenylalanine hydroxylase, tyrosine hydroxylase, tryptophan hydroxylase, nitric oxide synthases (iNOS), alkylglycerol monooxygenase (AGMO), dihydropterin reductase, sepiapterin reductase-
Homocysteine, mediators of inflammation, redox systems, iron.