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Int J Cardiol. 2007 May 31;118(2):189-96. Epub 2006 Oct 3.

Lack of association between the platelet glycoprotein Ia C807T gene polymorphism and coronary artery disease: a meta-analysis.

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  • 1Laboratory of Hematology and Blood Bank Unit, Attikon General Hospital, School of Medicine, University of Athens, Athens, Greece.

Abstract

BACKGROUND:

The platelet-collagen receptor, glycoprotein (GP) la/lla plays a crucial role in the adhesion of platelets to fibrillar collagen, an event contributing to the pathogenesis of thrombosis. The C807T polymorphism of the GPla gene is considered a genetic marker of the platelet GPla/lla density. The importance of the GPla gene C807T polymorphism as a genetic risk factor for coronary artery disease (CAD) remains controversial. To assess this association, we performed a meta-analysis of published data.

METHODS:

A comprehensive meta-analysis of 19 studies, with a total sample of 13835 subjects using random effects models.

RESULTS:

The C versus T allele contrast gave an OR of 0.998 with 95% Cl 0.937-1.064. Similarly, comparing the C homozygotes with the T homozygotes, the CC genotype versus the others and the TT genotype versus the rest, no evidence of any gene-disease association was obtained. Furthermore, the meta-regression analysis did not disclose any variable that could modify the role of this polymorphism in the development of CAD.

CONCLUSION:

Our findings support the view that C807T polymorphism of the GPla gene is not a significant risk factor for CAD, either alone or in combination with other major cardiovascular risk factors.

PMID:
17023078
[PubMed - indexed for MEDLINE]
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