• 1. The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu 730000, P. R. China;
  • 2. Department of Oncology, Tumor Hospital of Gansu Province, Lanzhou, Gansu 730050, P. R. China;
  • 3. Department of Oncological Surgery, the First Hospital of Lanzhou University, Lanzhou, Gansu 730000, P. R. China;
GUANQuan-lin, Email: guanquanlin@163.com
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Objective To evaluate the relationship between methylenetetrahydrofolate reductase (MTHFR) gene C677T polymorphism and efficacy of fluorouracil-based chemotherapy in patients with advanced gastric cancer (AGC). Methods Computer retrieval in China Journal Full-text Database, Chinese Science and Technology Periodical Database, Wanfang database, Chinese Biomedical Literature Database, PubMed, EMbase, Cochrane Library and Web of Science Database (from their establishment to May 28, 2013) was performed to include case-control studies on MTHFR gene C677T polymorphism and sensitivity to fluorouracil-based chemotherapy in patients with advanced gastric cancer. Statistical analysis was done by using RevMan 5.1 software. Results Seven case-control studies with 775 patients were included. The meta-analysis showed that among MTHFR C677T genotypes, for TT vs. CC, OR=4.63, 95%CI (1.23, 17.4); and for CC+CT vs. TT, OR=0.21, 95%CI (0.06, 0.78). Subgroup analysis of Asian group showed that for TT vs. CC, OR=32.99, 95%CI (11.40,95.42); and for CC+CT vs. TT, OR=0.04, 95%CI (0.02, 0.10). Sensitivity analysis performed according to different detection methods showed that for TT vs. CC, OR=6.03, 95%CI (1.53, 23.72); and for CC+CT vs.TT, OR=0.17, 95%CI (0.04, 0.68). Conclusion Polymorphism of MTHFR C677T gene may be associated with sensitivity to fluorouracil-based chemotherapy in patients with AGC.

Citation: XUEJin-cai, WANGQian-qian, WANGTao, WANGYu-feng, DINGFang-hui, GUANQuan-lin. Meta-analysis on the Relationship between Methylenetetrahydrofolate Reductase Gene C677T Polymorphism and the Sensitivity to Chemotherapy in Patients with Advanced Gastric Cancer. West China Medical Journal, 2014, 29(12): 2214-2219. doi: 10.7507/1002-0179.20140670 Copy

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