Abstract
In this study, we evaluate the relationships between aspirin nonresponsiveness and the cyclooxygenase-1 (Cox-1) gene C50T polymorphism in stable coronary artery disease (CAD) in Tunisian patients. One hundred twenty-five stable CAD patients were included. The Cox-1 gene C50T polymorphism was determined by the polymerase chain reaction/restriction fragment length polymorphism method. Aspirin response was evaluated by measuring the collagen epinephrine closer time and the urinary dehydro-thromboxane B2 excretion. According to the collagen epinephrine closer time values, the frequency of the -50T allele was not significantly different in bad responders when compared with good responders (36.8% vs. 15.7%; p=0.1). Similarly, the presence of the -50T mutant allele was not statistically different comparing bad and good responders according to the urinary 11-dehydro-thromboxane B2 excretion concentration (60% vs. 40%; p=0.43). Our study did not demonstrate any association between the Cox-1 gene C50T polymorphism and aspirin nonresponsiveness status in stable CAD patients.
Published Version
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