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Polymorphisms of the P-selectin gene and risk of myocardial infarction in men and women in the ECTIM extension study

Kee, F, Morrison, C, Evans, AE, McCrum, E, McMaster, D, Dallongeville, J, Nicaud, V, Poirier, O and Cambien, F (2000) Polymorphisms of the P-selectin gene and risk of myocardial infarction in men and women in the ECTIM extension study. HEART, 84 (5). pp. 548-551. [Journal article]

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Background and objective-Studies in animal models and humans implicate cell adhesion molecules in atherogenesis but their role in mediating the risk of myocardial infarction is unclear. The ECTIM (etude cas-temoin Be l'infarctus myocarde) extension study was established to determine whether a previously implicated polymorphism of the P-selectin gene was associated with myocardial infarction risk in men and women in Belfast and Glasgow. Patients and study setting-696 cases with a recent myocardial infarction and 561 age matched controls (both male and female) were recruited into a case-control study in MONICA project areas of Belfast and Glasgow. Methods-Demographic and lifestyle information was collected by interview administered questionnaire, and each subject was examined and provided a blood sample for DNA extraction. The polymerase chain reaction (PCR) was used to amplify regions encompassing the P-selectin Thr-->Pro (A/C) polymorphism at position 715. Genotype odds ratios for myocardial infarction were estimated by logistic regression adjusted for population, age, and sex. Results-There was no significant association between conventional risk factors (such as hypercholesterolaemia, increased body mass index, or raised blood pressure) and either the rare or the common Pro(715) allele of the P-selectin gene in controls. Overall, comparing Pro(715)/Pro(715) and Pro(715)/Thr(715) With Thr(715)/Thr(715), With adjustment for centre, age, and sex, the odds ratio was 0.78 (95% confidence interval 0.60 to 1.00) (p = 0.054), indicating a ``protective'' effect of the less common Pro(715) allele. There was no significant heterogeneity in odds ratios between men and women either in this sample or when combined with the original ECTIM subjects. Conclusions-In a large population based study in two regions of the UK we have been able to corroborate the earlier ECTIM findings of a lower frequency of the Thr/Pro(715) polymorphism in subjects with myocardial infarction. An apparently ``protective effect'' of similar magnitude also seems to apply to women.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Research Institutes and Groups:Institute of Nursing and Health Research
Institute of Nursing and Health Research > Centre for Maternal, Fetal and Infant Research
ID Code:7376
Deposited By: Ms Evie Gardner
Deposited On:27 Jan 2010 15:29
Last Modified:18 Oct 2011 14:31

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