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Molecular Biology Reports

, Volume 38, Issue 4, pp 2295–2299 | Cite as

Lack of association between methylenetetrahydrofolate reductase gene A1298C polymorphism and breast cancer susceptibility

  • Li-Xin Qiu
  • Jian Zhang
  • Wen-Hua Li
  • Qun-Ling Zhang
  • Hui Yu
  • Bi-Yun Wang
  • Lei-Ping Wang
  • Jia-Lei Wang
  • Hui-Jie Wang
  • Xiao-Jian Liu
  • Zhi-Guo Luo
  • Xiang-Hua Wu
Article

Abstract

Published data on the association between methylenetetrahydrofolate reductase gene (MTHFR) A1298C polymorphism and breast cancer risk are inconclusive. To derive a more precise estimation of the relationship, a meta-analysis was performed. Medline, PubMed, Embase, and Web of Science were searched. Crude ORs with 95% CIs were used to assess the strength of association between the MTHFR A1298C polymorphism and breast cancer risk. The pooled ORs were performed for co-dominant model (AC vs. AA, CC vs. AA), dominant model (CC + AC vs. AA), and recessive model (CC vs. AC + AA), respectively. A total of 26 studies including 12,244 cases and 15,873 controls were involved in this meta-analysis. Overall, no significant associations were found between MTHFR A1298C polymorphism and breast cancer risk when all studies pooled into the meta-analysis (AC vs. AA: OR = 0.99, 95% CI 0.94–1.05; CC vs. AA: OR 0.99, 95% CI 0.90–1.09; dominant model: OR = 0.99, 95% CI 0.95–1.04; and recessive model: OR = 0.98, 95% CI 0.90–1.08). In the subgroup analysis by ethnicity or study design, still no significant associations were found for all comparison models. In conclusion, this meta-analysis suggests that the MTHFR A1298C polymorphism may be not associated with breast cancer development. However, large sample and representative population-based studies with homogeneous breast cancer patients and well matched controls are warranted to confirm this finding.

Keywords

MTHFR Polymorphism Breast cancer Susceptibility Meta-analysis 

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Li-Xin Qiu
    • 1
    • 2
  • Jian Zhang
    • 1
    • 2
  • Wen-Hua Li
    • 1
    • 2
  • Qun-Ling Zhang
    • 1
    • 2
  • Hui Yu
    • 1
    • 2
  • Bi-Yun Wang
    • 1
    • 2
  • Lei-Ping Wang
    • 1
    • 2
  • Jia-Lei Wang
    • 1
    • 2
  • Hui-Jie Wang
    • 1
    • 2
  • Xiao-Jian Liu
    • 1
    • 2
  • Zhi-Guo Luo
    • 1
    • 2
  • Xiang-Hua Wu
    • 1
    • 2
  1. 1.Department of Medical OncologyFudan University Shanghai Cancer CenterShanghaiChina
  2. 2.Department of OncologyShanghai Medical College, Fudan UniversityShanghaiChina

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