Different effects of CAV1 rs3807990 veriation on lipid profile in patiens with coronary heart disease based ob presence of diabetes
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Objective: A decreased antiatherogenic function of endothelium causes endothelial dysfunction characterized by decreased nitric oxide (NO) levels. NO amounts can be regulated by the inhibition of eNOS enzyme activity via caveolin-1 (Cav-1). We aimed to determine the effect of CAV1 rs3807990 on metabolic and lipid biomarker levels in diabetic and non-diabetic coronary heart disease (CHD) and to determine the possible contribution to diabetic dyslipidemia. Material and Method: CAV1 rs3807990 was assessed by the Polymerase Chain Reaction-Restriction Fragment length Polymorphism in 32 diabetics and 41 non-diabetic CHD patients. Results: T allele is associated with high total-cholesterol levels in non-diabetic CHD patients (p=0.021). T-allele carriers in diabetic CHD patients had high LDL-C (p=0.037) and glucose levels (p=0.076) compared to the CC-genotype. In addition, the T allele in diabetic-CHD patients was associated with an increase in serum triglyceride levels. Conclusion: In diabetic-CHDs, the association of CAV1 rs3807990-T allele with high glucose and triglycerides was consistent with the relationship between glucose and triglyceride metabolism. T-allele was also found associated with hypercholesterolemia in both groups. CAV1 rs3807990-T allele may be one of the genetic risk factors for hypercholesterolemia and may cause an increase in glucose. It may also contribute to triglyceride elevation and, consequently, contribute to dyslipidemic phenotype, especially in diabetic-CHD patients.