Clinical research
Expression analysis of intercellular adhesion molecule-2 (ICAM-2) in the context of classical cardiovascular risk factors in acute coronary syndrome patients
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Submission date: 2011-06-08
Final revision date: 2011-12-28
Acceptance date: 2012-01-29
Online publication date: 2012-05-29
Publication date: 2013-12-31
Arch Med Sci 2013;9(6):1035-1039
Introduction: Cardiopulmonary diseases are the most common cause of hospitalization and death. Often the basic problem is endothelial dysfunction leading to elevated expression of adhesion proteins as well as increased adhesion and aggregation of blood cells. The goal of the study was to assess expression level of intercellular adhesive molecule-2 (ICAM-2) in patients with acute coronary syndrome (ACS).
Material and methods: The obtained data were analysed in the context of the occurrence of classical cardiovascular risk factors. The two studied groups consisted of 60 ACS patients and 20 healthy individuals who both were qualified based on electrocardiography (ECG), transthoracic echocardiography and biochemical tests. The ACS patients additionally had coronary angiography performed. The number of ICAM-2 gene mRNA molecules was evaluated on the basis of QRT-PCR reaction kinetics. To compare the results the Mann-Whitney U test was used. Results were judged statistically significant if p < 0.05.
Results: Analysis of the results showed a significantly higher number of ICAM-2 gene mRNA copies in ACS patients compared to healthy subjects (140920 ±105207 and 15023 ±14325, respectively). Furthermore, our results indicate a correlation between obesity (p = 0.012) and positive burdening family history (p = 0.041) and increased ICAM-2 levels in patients with ACS.
Conclusions: Increased ICAM-2 gene expression in ACS patients is probably symptomatic of endothelium dysfunction and may be responsible for intensified adhesion and aggregation processes as well as for appearance of acute coronary syndrome. These results indicate a correlation between obesity and burdening family history on the one hand, and increased ICAM-2 levels in patients with ACS, on the other.
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