Carcinogenesis, Teratogenesis & Mutagenesis ›› 2019, Vol. 31 ›› Issue (3): 222-226.doi: 10.3969/j.issn.1004-616x.2019.03.009

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Association between polymorphisms in the miR-146a and susceptibility to non-small cell lung cancer

YING Wei, WANG Xingyuan, JIANG Bo, ZHOU Wei   

  1. Department of Oncology, People's Hospital of Guang'an, Guang'an 638000, Sichuan, China
  • Received:2018-09-10 Revised:2018-11-18 Online:2019-05-31 Published:2019-05-31

Abstract: OBJECTIVE:To study the relationship between miR-146a rs2910164 G/C gene polymorphism and non-small cell lung cancer in the Han population. METHODS:rs2910164 genotypes in 198 patients with non-small cell lung cancers and 218 control subjects were detected by PCR-restriction fragment length polymorphism (PCR-RFLP). Logistic regression analysis was used. RESULTS: Compared with the control group,logistic regression analyses show that the genotype carrying the C allele was significantly associated with increased risk of non-small cell lung cancer[dominant model OR=5.04, 95% CI (4.72, 5.39), P<0.01; recessive model OR=2.75, 95% CI was (2.57, 2.94), P<0.01]. Further analyses show that there was no statistical relationship between the rs2910164 gene polymorphism and clinical features (gradation, stage, metastasis) (P>0.05) and there was no interaction between the rs2910164 gene polymorphism and smoking (P> 0.05). CONCLUSION:Our results show that the genotype carrying the miR-146a rs2910164 C allele may be associated with genetic susceptibility to non-small cell lung cancer.

Key words: single nucleotide polymorphisms, genetic susceptibility, non-small cell lung cancer, miR-146a

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