A Genetic Association Study of MTHFR C677T Polymorphism with Risk of Metabolic Syndrome: A Systematic Review and Meta-Analysis

Authors

  • Soheil Azizi 1. Department of Laboratory Sciences, Faculty of Paramedicine, Mazandaran University of Medical Sciences, Sari, Iran
  • Amir Shamshirian 2. Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
  • Reza Alizadeh-Navaei 3. Gastrointestinal Cancer Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  • Hamed Jafarpour 2. Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
  • Zatollah Asemi 4. Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of MedicalSciences, Kashan, Iran
  • Omid Reza Tamtaji 5. Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran
  • Mohammad Sadegh Vaziri 6. Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
  • Reza Homayounfar 7. Non-Communicable Disease Research Center, Fasa University of Medical Sciences, Fasa, Iran
  • Arash Rezaei Shahmirzadi 8. Student Research Committee, Golestan University of Medical Sciences, Gorgan, Iran
  • Reza Alipoor 6. Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran 
 7. Non-Communicable Disease Center, Fasa University of Medical Sciences, Fasa, Iran

DOI:

https://doi.org/10.31661/gmj.v8i.1472

Keywords:

MTHFR; Metabolic Syndrome; Polymorphism; Variant; Meta-Analysis; Methylenetetrahydrofolate Reductase

Abstract

Methylenetetrahydrofolate reductase (MTHFR) is an enzyme that plays a crucial role as a methyl-group donor in demethylation of homocysteine. The aim of this systematic review and meta-analysis was to study the relationship between MTHFR gene polymorphism and metabolic syndrome (MS). We used search engines and databases such as Science Direct, Google Scholar, Embase, Cochrane Library, and PubMed to identify eligible studies up to 2018. The articles were studied based on keywords including MTHFR, mutation, variant, and polymorphism in combination with MS. Data was analyzed using Comprehensive Meta-Analysis version 2.2.064 software. After extracting the data from seven articles, the total number of subjects was 1280 in the patient group and 1374 in the control group. The odds ratio was estimated to be 1.078 for the allele model of T vs. C (95% confidence interval [CI]: 1.626-0.715), 1.157 for the allele model of CC vs. CT (95% CI: 0.829-1.615), 1.020 for the allele model of CT + TT vs. CC (95% CI: 1.611-0.646) and 0.799 for the allele model of TT vs. CC + CT (95% CI: 1.185-0.539). As well, the results showed no statistically significant correlation between polymorphism genotypes of the MTHFR gene and MS (P<0.05). In general, this study showed that the presence of C677T polymorphism in the MTHFR gene has no effect on the incidence of MS. [GMJ.2019;8:e1472]

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Published

2019-06-02

Issue

Vol. 8 (2019): 2019

Section

Review Article

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