Association Between the g.14461A>G Genetic Polymorphism of the TLR4 Gene and Type 2 Diabetes Mellitus Risk in a Chinese Population

作者：Lei, Tao^*; Tang, Wenjun; Xiong, Yanqin; Zhai, Yujuan; Sun, Xianghua; Zhang, Keqin

来源：Genetic Testing and Molecular Biomarkers, 2014, 18(4): 257-260.

DOI：10.1089/gtmb.2013.0441

Objective: Toll-like receptor 4 (TLR4) is an important candidate gene for mediating the susceptibility to type 2 diabetes mellitus (T2DM). The purpose of this study was to investigate the association between the TLR4 gene polymorphisms and T2DM susceptibility.
Methods: A total of 671 T2DM patients and 677 healthy controls were recruited in this study. The created restriction site-polymerase chain reaction and DNA sequencing methods have been used to analyze the TLR4 gene polymorphisms.
Results: One novel genetic polymorphism (g.14461A>G) was found. Our data indicated that the g.14461A>G genetic polymorphism was significantly associated with the increased susceptibility to T2DM in a homozygote comparison (GG vs. AA: odds ratio [OR]=2.09, 95% confidence interval [CI] 1.44-3.04, p<0.001), dominant model (GG/AG vs. AA: OR=1.27, 95% CI 1.03-1.57, p=0.028), recessive model (GG vs. AG/AA: OR=1.98, 95% CI 1.39-2.83, p<0.001), and allele contrast (G vs. A: OR=1.33, 95% CI 1.13-1.57, p=0.001). The allele-G might be the risk allele for enhancing the susceptibility to T2DM.
Conclusion: These preliminary findings suggest that the g.14461A>G genetic polymorphism of the TLR4 gene is potentially related to the susceptibility to T2DM in the studied population.

• 出版日期2014-4-1
• 单位同济大学