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Carter, A.M. et al.

Carter, Anagnostopoulou, Mansfield, Grant,

Soluble P-selectin levels, P-selectin polymorphisms and cardiovascular disease.

P-selectin is a member of the selectin family of cell adhesion molecules which are important in the transient attachment of leukocytes to endothelial cells and platelets. A number of polymorphisms in the gene encoding P-selectin have been identified. Objectives were to investigate the relationship of soluble P (sP)-selectin with P-selectin gene polymorphisms and coronary artery disease (CAD). Two hundred and forty-nine patients, with extent of CAD characterized by >or=50% stenosis in one or more coronary arteries, and 252 healthy controls were studied. Soluble P-selectin was significantly higher in the patients than controls after adjustment for age, sex and smoking [patients 49.8 (47.5-52.1) ng mL-1; controls 46.7 (44.5-49.1) ng mL-1, P = 0.03). There was no association of sP-selectin with myocardial infarction (MI) or presence of >or=50% stenosis. The -1817 T/C, -1969 G/A and -2123 C/G (but not the Thr715Pro) polymorphisms were in strong linkage disequilibrium. The Thr715Pro polymorphism was significantly associated with sP-selectin even after adjustment for covariates [TT 48.9 (46.9-50.0) ng mL-1; TP + PP 40.7 (38.1-43.6) ng mL-1, P < 0.0001]. A significant interaction of Thr715Pro and smoking status was identified in the determination of sP-selectin levels. There was no significant association of genotype at any of the polymorphism in relation to MI or stenosis. The Thr715Pro polymorphisms is associated with plasma sP-selectin. This association is modulated by smoking, although the underlying mechanism remains unclear.[1]

References

Soluble P-selectin levels, P-selectin polymorphisms and cardiovascular disease. Carter, A.M., Anagnostopoulou, K., Mansfield, M.W., Grant, P.J. J. Thromb. Haemost. (2003) [Pubmed]

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