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  • Title: [Platelet glycoprotein IIb/IIIa (LeuPro 33) polymorphism in stroke patients].
    Author: Pongrácz E, Tordai A, Csornai M, Nagy Z.
    Journal: Orv Hetil; 2001 Apr 15; 142(15):781-5. PubMed ID: 11367863.
    Abstract:
    This is the first Hungarian paper on the platelet glycoprotein IIb/IIIa (LeuPro 33) polymorphism in stroke patients. There are conflicting data about the role of this polymorphism in the pathogenesis of arterial thrombosis. The aim of our study was to describe the prevalence of PLA1/PLA2 in healthy persons and in stroke patients. From the same study population other polymorphism (prothrombin gene 20210 G/A) also has been determined. Blood sample was investigated by polymerase chain reaction in 173 unrelated healthy donors and 234 stroke patients. Stroke was documented by CT and MRI. We used a rutin questionnaire to study previous vascular events and conventional risk factors of patients. Prevalence of PLA1/PLA2 was 23.5% among healthy persons. That is higher than in other European countries (15%). It was 30.4% in stroke patients (OR: 1.42, 95%; CI: 0.87-2.31; p = 0.15). Heterozigous PLA was found in patients older than 50 by 33.6% (OR: 1.65, 95%; CI: 0.94-2.87; p = 0.09). Previous vascular events and conventional risk profil were not significantly different between PLA1/PLA1 and PLA1/PLA2 groups of patients. In patients under 50 having 20-85% stenosis of internal carotid artery there was a higher prevalence (p = 0.09). Comparing stroke patients to control population there was a slight increase (OR: 7.0; p = 0.06) in the frequency of two polymorphisms (PLA and factor II) together in the stroke cases. Polymorphism of GP IIb/IIIa LeuPro 33 seemed to be increased in stroke patients above 50 years. Carotid stenosis with polymorphism is a risk factor for young patients. PLA variant together with prothrombin gene polymorphism results very high risk for stroke.
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