期刊
LIFE-BASEL
卷 13, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/life13112142
关键词
coronary artery disease (CAD); tumor necrosis factor alpha (TNF-alpha); the Cytochrome p450s (CYP450); microR-423; Hardy-Weinberg disequilibrium (HWD); amplification refractory mutation system (ARMS)-PCR
Coronary artery disease (CAD) is a major cause of death and hospitalization worldwide, with a prevalence of 5.5% in Saudi Arabia. This study identified three genetic loci associated with CAD and found significantly increased TNF-alpha serum levels in CAD patients. These findings have implications for future genetic testing and prevention.
Coronary artery disease (CAD) is the leading cause of death and hospitalization worldwide and represents a problem for public health systems everywhere. In Saudi Arabia, the prevalence of CAD is estimated to be 5.5%. Risk factors for CAD include older age, male gender, obesity, high blood pressure, smoking, diabetes, hyperlipidemia, and genetic factors. Reducing the risk factors in susceptible individuals will decrease the prevalence of CAD. Genome wide association studies have helped to reveal the association of many loci with diseases like CAD. In this study, we examined the link between single nucleotide variations (SNVs) of TNF-alpha-rs1800629 G>A, CYP2C19*17 (rs12248560) C>T, and miR-423 rs6505162 C>A and the expression of TNF-alpha with CAD. We used the mutation specific PCR, ARMS-PCR, and ELISA. The results showed that the A allele of the TNF-alpha rs1800629 G>A SNP is linked to CAD with odd ratio (OR) (95% CI) = 2.10, p-value = 0.0013. The T allele of the CYP2C19*17 (rs12248560) C>T is linked to CAD with OR (95% CI) = 2.02, p-value = 0.003. In addition, the A allele of the miR-423 rs6505162 C>A SNV is linked to CAD with OR (95% CI) = 1.49, p-value = 0.036. The ELISA results indicated that the TNF-alpha serum levels are significantly increased in CAD patients compared to healthy controls. We conclude the TNF-alpha rs1800629 G>A, CYP2C19*17, and miR-423 rs6505162 C>A are potential genetic loci for CAD in the Saudi population. These findings require further verification in future studies. After being verified, our results might be utilized in genetic testing to identify individuals that are susceptible to CAD and, therefore, for whom reducing modifiable risk factors (e.g., poor diet, diabetes, obesity, and smoking) would result in prevention or delay of CAD.
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