Abstract

Background Coronary artery diseases (CAD) are complex disorders resulting from interactions of different predisposing factors. Aim to evaluate the role of -455 G/A Fibrinogen polymorphism (rs1800790) in Egyptian patients with CAD. Subjects and Methods Plasma fibrinogen levels were assayed and PCR-RFLP was used to evaluate fibrinogen -455 G/A polymorphism in CAD. Patients with stable CAD and STEMI compared to a control group with negative stress Tc 99m sesta MIBI myocardial perfusion scan. Results 137 patients were studied. No significant difference between the patients and controls as regards different genotypic distribution of -455 G/A Fibrinogen polymorphism. However, the AA genotype was more prevalent among the control group. No significant correlation between the genotypic variants and the fibrinogen levels was detected. Conclusion The A allele of fibrinogen -455 gene promoter may confer some protection against CAD, however, GG genotype maybe more common among Egyptian CAD patients.

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