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  1. Distribution of tissue plasminogen activator insertion/deletion polymorphism in myocardial infarction and control subjects.

    Article - En anglais

    An insertion (I)/deletion (D) polymorphism in the tissue plasminogen activator (TPA) gene locus has recently been reported to be associated with the risk of myocardial infarction (MI) with increased risk in II/ID subjects compared with DD subjects.

    To investigate this further, we analysed 529 acute MI cases and 525 population-based control subjects recruited in two centers (Leicester and Sheffield, UK).

    We found no difference between cases and controls in TPA I/D allele frequencies (cases I=0.574, controls I=0.582, p=0.74) or genotype distribution (cases II 33%, ID 48%, DD 19% ; controls II 34%, ID 49%, DD 17%, p=0.88).

    Compared with the DD genotype, the age, sex and centre adjusted odds ratios for MI for II genotype was 0.95 (95% confidence interval, 0.64 - 1.40, p=0.85) and that for ID genotype was 0.89 (0.62-1.27, p=0.56).

    There was no significant effect modification by smoking status, body mass index or cholesterol level.

    There was no difference in the reported frequency of positive family history of coronary heart disease or mean age at MI in the different genotype groups.

    We conclude that in our populations the TPA I/D polymorphism is not a major independent risk factor for myocardial infarction.

    Mots-clés Pascal : Infarctus, Myocarde, t-Plasminogen activator, Serine endopeptidases, Peptidases, Hydrolases, Enzyme, Polymorphisme, Gène, Insertion, Délétion, Fibrinolyse, Facteur risque, Epidémiologie, Royaume Uni, Europe, Homme, Appareil circulatoire pathologie, Cardiopathie coronaire, Myocarde pathologie

    Mots-clés Pascal anglais : Infarct, Myocardium, t-Plasminogen activator, Serine endopeptidases, Peptidases, Hydrolases, Enzyme, Polymorphism, Gene, Insertion, Deletion, Fibrinolysis, Risk factor, Epidemiology, United Kingdom, Europe, Human, Cardiovascular disease, Coronary heart disease, Myocardial disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0271539

    Code Inist : 002B12A03. Création : 27/11/1998.