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Association between gastric cancer and -1993 polymorphism of TBX21 gene

Author(s): Le-Hui Zhang | Qin Li | Peng Li | Sheng-Tao Zhu | Jing Wang | Hong-Li Yang | Chang-Qing Xu | Xiu-Hua Guo

Journal: World Journal of Gastroenterology
ISSN 1007-9327

Volume: 18;
Issue: 10;
Start page: 1117;
Date: 2012;
Original page

Keywords: TBX21 gene | Gastric cancer | Polymorphism | Genetic susceptibility | Association analysis

AIM: To investigate the association between the polymorphism of TBX21 gene and the risk of gastric cancer in a Chinese population. METHODS: The -1993 polymorphism located in TBX21 gene promoter region was identified by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. The risk between TBX21 gene genotype and gastric cancer was determined by multivariate logistic regression analysis in 220 gastric cancer patients and 262 cancer-free controls matched by age, sex and ethnicity. RESULTS: Compared with the TBX21 -1993TT genotype, the -1993CC genotype exhibited a significantly elevated risk for gastric cancer [Odds ratio (OR) = 3.42, 95% confidence interval (CI): 1.41-8.31]. The relationship between the -1993 polymorphic genotype and the invasive status such as lymph node and distant metastasis was found among the gastric cancer patients (OR = 4.02, 95% CI: 1.87-8.66; OR = 7.02, 95% CI: 3.44-14.34, respectively). CONCLUSION: TBX21 -1993 polymorphism might contribute to the risk of gastric cancer, especially to the distant metastasis.

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