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The Anatolian Journal of Cardiology Relation of HLA Antigens and Myocardial Infarction [Anatol J Cardiol]
Anatol J Cardiol. 2001; 1(2): 80-84

Relation of HLA Antigens and Myocardial Infarction

Yüksel Doğan1, Dilek Ural2, Nergiz Domaniç3, Erkan Yılmaz4
1Bakırköy Devlet Hastanesi, İstanbul, Türkiye
2Kocaeli Üniversitesi, Tıp Fakültesi, Kardiyoloji Anabilim Dalı, Kocaeli-Türkiye
3Department of Cardiology Cerrahpaşa Faculty of Medicine, İstanbul University, İstanbul, Turkey
4Department of Radiology Faculty of Medicine, Dokuz Eylül University, İzmir-Turkey

Objective: Genetic predisposition and chrnoic inflammation play the leading role in the early stages and in the development of atherosclerosis. Previous studies have shown that substantial amounts of T-lymphocytes are present in both early fatty lesions and advanced fibrous lesions in humans. This observation suggests that HLA antigens may be used as genetic markers for the tendency to coronary artery disease. The aim of our study was to investigate the relation of atherosclerosis and HLA antigens in patients with acute myocardial infarction. Methods: Thirty consecutive patients with acute myocardial infarction (15 male, 15 female, aged 548 years) and 30 subjects (15 male, 15 female, aged 527 years) without evidence of coronary artery disease-according to physical, fundoscopic, electrocardiographic and radiological examination-were enrolled to the study. Histocompatibility antigens (HLA-AB, -DR, -DQ) were studied with lymphocytotoxicity method. Results: Age, gender, smoking, alcohol consumption, frequency of obesity and diabetes mellitus were similar between the two groups. In patients with myocardial infarction frequency of hypertension, family history and hyperlipidemia were significantly higher than the controls (p<0.0003, p<0.0001, p<0.01 respectively). Frequency of HLA antigens in patients and in controls was 50% and 23% for HLA-A2, 63% and 20% for HLA-DQ4 and 90% and 50% for HA-DQ7. Logistic regression anlysis revealed a significant relation with the disease and the presence of these antigens (p=0.02, p=0.02 and p=0.03 respectively). Conclusion: It is concluded that in the Turkish population presence of HLA-A2, HLA-DQ4 ve HLA-DQ7 (3) may be used as genetic markers for the tendency to coronary artery disease.

Keywords: Miyokard infarktüsü, HLA doku grubu

Yüksel Doğan, Dilek Ural, Nergiz Domaniç, Erkan Yılmaz. Relation of HLA Antigens and Myocardial Infarction. Anatol J Cardiol. 2001; 1(2): 80-84