Paraoxonase 1 Gene (Q192r) Polymorphism Confers Susceptibility To Coronary Artery Disease In Type 2 Diabetes Patients: Evidence From Case-Control Studies
DRUG DISCOVERIES AND THERAPEUTICS(2019)
Abstract
Numerous published studies have investigated the relationship between the paraoxonase 1 (PON1) gene Q192R (rs662) polymorphism and the risk of coronary artery disease (CAD) in type 2 diabetes mellitus (T2DM) patients. However, the results are still conflicting and inconclusive. Potentially eligible articles were searched for in related databases. Odds ratios (OR) with 95% confidence intervals (CI) were used to estimate the associations. Subgroup analysis was performed based on ethnicity. Ten case-control studies were included. A significant increase in the susceptibility for CAD in T2DM patients was found in the allelic model (OR = 1.49, p < 0.001), homozygote model (OR = 2.47, p < 0.001), heterozygote model (OR = 1.47, p < 0.001), dominant model (OR = 1.64, p < 0.001), and recessive model (OR = 1.74, p = 0.001). In subgroup analysis by ethnicity, a significant increase susceptibility was found in Asian populations in the allelic model (OR = 1.39, p = 0.001), homozygote model (OR = 2.15, p = 0.002), heterozygote model (OR = 1.37, p = 0.006), recessive model (OR = 1.65, p = 0.012), and dominant model (OR = 1.54, p < 0.001). A similar significant increase in susceptibility was found in Caucasian populations in the allelic model (OR = 1.75, p = 0.002), homozygote model (OR = 3.39, p = 0.002), recessive model (OR = 1.98, p = 0.030), heterozygote model (OR = 1.64, p = 0.001), and dominant model (OR = 1.83, p < 0.001). The results suggest that the PON1 Q192R polymorphism is associated with a significantly increased risk of CAD in T2DM patients in both Asian and Caucasian populations.
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Key words
PON1, coronary artery disease, type 2 diabetes mellitus, polymorphism, meta-analysis
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