• 1. The Third Department of General Surgery, Shiyan Taihe Hospital, Shiyan, Hubei 442000, P. R. China;
  • 2. Evidence-Based Medicine Center, Shiyan Taihe Hospital, Shiyan, Hubei 442000, P. R. China;
  • 3. Institute of Dermatology Center, Shiyan Taihe Hospital, Shiyan, Hubei 442000, P. R. China;
WANG Geng, Email: wg129@sina.com
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Objective  To systematically review the correlation between polymorphism of DNA methyltransferase 1(DNMT1) rs16999593 and the susceptibility of breast cancer. Methods  Databases such as PubMed, EMbase, Web of Science, Chinese Biomedical Literature Database, CNKI, WanFang, and VIP database were searched from inception to Mar. 2017 to collect case-control studies on the correlation between DNMT1 rs16999593 C/T polymorphism and the susceptibility of breast cancer. Two reviewers independently identified the literatures according to inclusion and exclusion criterias, extracted data, and assessed the quality of the included studies. The meta-analysis was performed by using RevMan 5.3 software. Results  A total of 5 studies involving 1 741 cases and 1 917 control subjects were included. The results of meta-analysis showed that, dominate model [TT+TC vs. CC: OR=0.63, 95% CI was (0.30, 1.30), P=0.21], homozygous model [TT vs. CC: OR=1.01, 95% CI was (0.70, 1.47), P=0.95], heterozygous model [TC vs. CC: OR=0.44, 95% CI was (0.18, 1.04), P=0.06], and additive model [T vs. C: OR=1.29, 95% CI was (0.90, 1.86), P=0.16] were not significantly related to breast cancer, but recessive gene model was related to breast cancer [TT vs. TC+CC: OR=1.74, 95% CI was (1.01, 3.00), P=0.04]. Conclusion  The current studies showed that, DNMT1 rs16999593 TT genotype decreases the susceptibility of breast cancer.

Citation: LONG Binbin, ZHANG Chao, WANG Lingling, WANG Geng. Association between polymorphisms of DNMT1 rs16999593 and susceptibility of breast cancer: a meta-analysis. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2018, 25(6): 721-727. doi: 10.7507/1007-9424.201711041 Copy

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