Key result
The GNB3 allele C and genotype CC were significantly associated with an increased risk of coronary artery disease in the Russian population (OR 1.55, P=0.0079 and OR 1.63, P=0.0215, respectively).
Why the study?
Is the GNB3 gene C825T polymorphism associated with coronary artery disease in the Russian population?
Case-Control (n=445)
Is the GNB3 gene C825T polymorphism associated with coronary artery disease in the Russian population?
The GNB3 allele C and genotype CC are associated with an increased risk of coronary artery disease in the Russian population.
May inform CAD genetic studies in Russians; should not yet change clinical risk assessment or practice.
The C825T polymorphism in the gene encoding the G protein beta 3 subunit (GNB3) causes enhanced G protein activation and the increased in vitro cell proliferation. We investigated the association of gene GNB3 C825T polymorphism with coronary artery disease (CAD) in the Russian population. A total of 313 patients with CAD diagnosed on the basis of clinical studies and coronary angyography were examined. The control group included 132 individuals that lacked clinical CAD symptoms and had matching profile of coronary artery disease risk factors. Blood pressure was measured using standard protocols. Increased levels of diastolic and systolic pressure was observed in both groups. The allele and genotype frequencies of this polimorphic marker were significantly higher in the CAD patients than in control. We found that the frequency of allele C and gen-. otype CC was significantly higher in the CAD patients (OR = 1.55; P = 0.0079; OR = 1.63; P = 0.0215, respectively), which suggests higher risk of this pathology in carriers of allele C and genotype CC. Thus, in the Russian population coronary artery disease is associated with GNB3 allele C and genotype CC.
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Nikitin et al. (2007) conducted a case-control in Coronary artery disease (n=445). GNB3 gene C825T polymorphism (allele C and genotype CC) vs. Control group lacking clinical CAD symptoms was evaluated on Coronary artery disease (OR 1.55, p=0.0079). The GNB3 allele C and genotype CC were significantly associated with an increased risk of coronary artery disease in the Russian population (OR 1.55, P=0.0079 and OR 1.63, P=0.0215, respectively).
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