Abstract
PurposeNormal endothelial function is important for the homeostasis of the cardiovascular (CV) system. The aim of the present study was to determine the profile of key parameters of endothelial dysfunction in middle-aged men that play a significant role in the functioning of endothelial vessels, which seems to be crucial for the early diagnosis of cardiovascular disorders. Materials and methodsThe study included 53 men, 20 with hypertension (HTN), 18 with HTN and related diseases, 15 healthy controls Apart from general testing (BMI, biochemical analysis, SBP, DBP), we used the Griess reaction to assess the total amount of nitric oxide (NO), and used ELISA to verify the concentrations of malondialdehyde (MDA), nitrotyrosine (NT), asymmetric dimethylarginine (ADMA), tumor necrosis factor-alpha (TNF-α), monocyte chemotactic protein 1 (MCP-1), and myeloperoxidase (MPO). Furthermore, we assessed the concentration of circulating free DNA (cfDNA) using the fluorescence method. ResultsThe values of MDA, ADMA, cfDNA, and MPO observed in samples from men with HTN were determined to be higher compared to those from men without HTN. In the group of men with HTN and other concomitant cardiovascular disorders, we observed low concentrations of NO, MDA, and ADMA with high concentrations of cfDNA. ConclusionsThe results obtained for parameters selected for the study, should be considered by cardiologists as a prompt to include in the diagnostic profile the assessment of NO and cfDNA concentrations for risk evaluation and/or diagnosis of endothelial dysfunction in patients suffering from HTN or related complications.
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