The 4G/4G genotype at nucleotide position −675 in the promotor region of the plasminogen activator inhibitor 1 (PAI‐1) gene is less frequent in young patients with minor stroke than in controls

Genetic risk factors play an important role in the aetiology of vascular diseases. The insertion/deletion polymorphism (4G/5G) in the promotor region of the plasminogen activator inhibitor 1 (PAI‐1) gene has been associated with an increased risk of myocardial infarction. We investigated 136 patient...

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Veröffentlicht in:British journal of haematology 2000-08, Vol.110 (2), p.469-471
Hauptverfasser: Endler, G., Lalouschek, W., Exner, M., Mitterbauer, G., Häring, D., Mannhalter, C.
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Sprache:eng
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Zusammenfassung:Genetic risk factors play an important role in the aetiology of vascular diseases. The insertion/deletion polymorphism (4G/5G) in the promotor region of the plasminogen activator inhibitor 1 (PAI‐1) gene has been associated with an increased risk of myocardial infarction. We investigated 136 patients with minor stroke (MS) and transient ischaemic attack (TIA) and found a prevalence of 0·32 for the 4G/4G genotype in patients compared with 0·42 in 115 age‐matched healthy controls. The 4G/4G genotype was significantly less frequent among 61 patients symptomatic before the age of 60 years (prevalence 0·20) than in 75 patients symptomatic after 60 years of age (prevalence 0·42; odds ratio). Our results indicate that the 4G/4G genotype is not a risk factor for MS or TIA and may even be protective in young patients.
ISSN:0007-1048
1365-2141
DOI:10.1046/j.1365-2141.2000.02164.x