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. 2016 Sep 13;5(1):1533.
doi: 10.1186/s40064-016-3177-2. eCollection 2016.

Genetic association of Toll-like receptor 4 gene and coronary artery disease in a Chinese Han population

Liting Zhou  1 , Dongchun Zheng  1 , Shuyue Wang  2 , Jian Zhu  1 , Yiyang Jia  1 , Di Sun  1 , Jin Xu  1 , Qi Wang  1 , Huaiji Chen  1 , Feng Xu  1 , Bo Li  3 , Lin Ye  1
Affiliations

Genetic association of Toll-like receptor 4 gene and coronary artery disease in a Chinese Han population

Liting Zhou et al. Springerplus. .

Abstract

Purpose: Toll-like receptor 4 (TLR4) is known to be involved in innate immunity and inflammatory responses that play important roles in the pathogenesis of coronary artery disease (CAD). But the relationship between TLR4 gene and CAD has yet to be investigated. The present study aimed to evaluate the association of TLR4 gene polymorphisms with CAD susceptibility in a Chinese Han population.

Methods: A total of 1094 subjects (577 unrelated patients with CAD and 517 controls) were recruited between 2008 and 2012. Three tag SNPs (rs1927907, rs1927911 and rs11536889) present in the TLR4 gene were genotyped using Sequenom Mass-ARRAY system.

Results: The genotypic distributions of the three SNPs were not deviate from Hardy-Weinberg equilibrium. There was no significant difference in distributions of allelic frequencies of each SNPs between healthy controls and CAD patients (P > 0.05). Genotype frequencies of TLR4 gene did not show any statistically significant difference between the two groups in co-dominant, dominant or recessive genetic models (P > 0.05). The frequency of haplotypes in the case group was similar to that in the control group (P > 0.05).

Conclusion: TLR4 gene do not relate to genetic susceptibility of CAD in the Chinese Han population.

Keywords: Coronary artery disease; Gene polymorphism; Toll-like receptor 4.

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