• 1. Department of Dermatology, Taihe Hospital, Affiliated Taihe Hospital of Hubei University of Medicine, Shiyan, Hubei 442000, P. R. China;
  • 2. Department of General Surgery Ⅲ, Taihe Hospital, Affiliated Taihe Hospital of Hubei University of Medicine, Shiyan, Hubei 442000,P. R. China;
  • 3. Department of Evidence-Based Medicine Center, Taihe Hospital, Affiliated Taihe Hospital of Hubei University of Medicine, Shiyan, Hubei 442000, P. R. China;
ZHANG Chao, Email: 286806931@qq.com
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Objective To study the correlation between CYP1A1 MspI gene polymorphisms and the risk of breast cancer (BC) in Chinese population.Methods The case-control studies on the correlation between polymorphisms of CYP1A1 MspI and BC in Chinese population were electronically retrieved in online English database (PubMed and Web of Science) and Chinese database (Chinese National Knowledge Infrastructure, Wanfang, and VIP database) from the date of their establishment to December 31, 2018. Two reviewers completed literature screening according to the inclusion and exclusion criteria, data extraction, and methodological quality assessment of the included studies independently. Reman 5.3 software was used to meta-analysis.Results A total 14 case-control studies involving 3 372 cases and 3 510 controls were finally included. The meta-analysis results showed that the CYP1A1 MspI gene polymorphism was associated with BC in Chinese population. Dominant genetic model [OR=1.24, 95%CI was (0.98, 1.58), P=0.08] and heterozygote model [OR=1.11, 95%CI was (0.89, 1.39), P=0.37] had no association with BC in Chinese population, while recessive genetic model [OR=1.66, 95%CI was (1.28, 2.14), P=0.000 1], homozygote model [OR=1.76, 95%CI was (1.26, 2.45), P=0.000 9], and allele contrast genetic model [OR=1.30, 95%CI was (1.08, 1.56), P=0.005] increased the risk of BC in Chinese population.Conclusion It is demonstrated that in Chinese population, CYP1A1 MspI gene polymorphisms related to the risk of BC, recessive genetic model, homozygote model, and allele contrast genetic model might be the risk factor for BC.

Citation: WANG Lingling, LONG Binbin, YANG Yao, WU Yaqiong, ZHANG Chao. Correlation between CYP1A1 MspI gene polymorphisms and the risk of breast cancer in Chinese population: a meta-analysis. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2020, 27(7): 846-854. doi: 10.7507/1007-9424.201908118 Copy

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