Research Papers:

ACAT-1 gene polymorphism is associated with increased susceptibility to coronary artery disease in Chinese Han population: a case-control study

Yong-Tao Wang, Ying-Hong Wang, Yi-Tong Ma _, Zhen-Yan Fu, Yi-Ning Yang, Xiang Ma, Xiao-Mei Li, Dilare Adi, Fen Liu and Bang-Dang Chen

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Oncotarget. 2017; 8:89055-89063. https://doi.org/10.18632/oncotarget.21649

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Yong-Tao Wang1,2,*, Ying-Hong Wang1,2,*, Yi-Tong Ma1,2, Zhen-Yan Fu1,2, Yi-Ning Yang1,2, Xiang Ma1,2, Xiao-Mei Li1,2, Dilare Adi1,2, Fen Liu2 and Bang-Dang Chen2

1Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, P.R. China

2Xinjiang Key Laboratory of Cardiovascular Disease Research, Urumqi 830054, P.R. China

*These authors have contributed equally to this work and should be considered as co-first authors

Correspondence to:

Yi-Tong Ma, email: [email protected], [email protected]

Zhen-Yan Fu, email: [email protected]

Keywords: coronary artery disease, ACAT-1 gene, polymorphism, susceptibility, association studies

Received: July 07, 2017     Accepted: August 27, 2017     Published: October 06, 2017


Several studies suggest an important role of Acyl-CoA: cholesterol acyltransferase-1(ACAT-1) in the development of atherosclerosis. The aim of present study was to investigate whether there exists a possible correlation between genetic variations in ACAT-1 genes and coronary artery disease (CAD) risk. Four polymorphisms (rs1044925, rs11545566, rs12121758 and rs10913733) were finally selected and genotyped in 750 CAD patients and 580 health controls, using the improved multiplex ligation detection reaction (iMLDR) method. We found that the rs11545566 G allele was associated with a significantly elevated CAD risk [GG vs. AA: adjusted odds ratio (AOR) = 1.62, 95% confidence interval (CI) = 1.13-2.32, P = 0.008; GA/GG vs. AA: AOR = 1.67, 95% CI = 1.22-2.29, P = 0.001]. The rs10913733 G allele was also associated with a significantly elevated CAD risk (GG vs. TT: AOR = 1.57, 95% CI = 1.08-2.28, P = 0.018; GT/GG vs. TT: AOR = 1.39, 95% CI = 1.07-1.79, P = 0.013). Multivariate linear regression analysis showed that the rs11545566 polymorphism was independently associated with the Gensini scores (P = 0.005). The Gensini score of subjects in the variant GG genotype group and the GG/GA genotype group were higher than the score of subjects in the AA genotype group (32.49 ± 26.60 and 31.26 ± 26.96 vs. 23.45 ± 21.64; P = 0.001 and 0.002, respectively). Our results demonstrate that ACAT-1 rs1154556 and rs10913733 polymorphism are novel genetic factors in the development of CAD. Rs11545566 was also associated with the severity of CAD.

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