Submitted: 05 Nov 2018
Accepted: 17 Jun 2019
ePublished: 25 Jun 2019
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J Cardiovasc Thorac Res. 2019;11(2): 109-115.
doi: 10.15171/jcvtr.2019.19
PMID: 31384404
PMCID: PMC6669433
  Abstract View: 524
  PDF Download: 314

Original Article

Association of the ATG9B gene polymorphisms with coronary artery disease susceptibility: A case-control study

Mahsa Mehrabi Pour 1, Mahboobeh Nasiri 1*, Hajar Kamfiroozie 2, Mohammad Javad Zibaeenezhad 2

1 Department of Biology, Islamic Azad University, Arsanjan Branch, Arsanjan, Iran
2 Cardiovascular Research Center, Shiraz University of Medical Sciences, Shiraz, Iran


Introduction: Endothelial nitric oxide synthase (eNOS), the main regulator of cardiac cell functioning, is regulated post-transcriptionally by autophagy-related 9B (ATG9B) gene. The proper function of the heart is partly determined by the intact interaction of these molecules. The present study aimed to investigate the effects of ATG9B rs2373929 and rs7830 gene polymorphisms on the predisposition to coronary artery disease (CAD).
Methods: In this hospital-based case-control study, 150 patients with CAD compared with 150 healthy subjects for the genotype distributions of rs2373929 and rs7830 polymorphisms using T-ARMS PCR and ARMS PCR, respectively.
Results: Considering rs2373929 polymorphism, increased risk of CAD observed in the presence of TT genotype (OR: 3.65; 95% CI: 1.77-7.53; P < 0.001) and also in the recessive model for T allele (OR: 3.41; 95% CI: 1.76- 6.60; P < 0.001). The frequency of the T allele was higher in cases compared to controls (OR: 1.71; 95% CI: 1.24-2.28; P = 0.001). The genotype and allele frequencies of the rs7830 polymorphism did not differ between the two study groups.
Conclusion: The ATG9B gene rs2373929 polymorphism might involve in the pathogenesis of the CAD and can be considered as a screening molecular marker in the subjects prone to CAD.
Keywords: Coronary Artery Disease, ATG9B, Polymorphism
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