Immune inflammation, endothelial dysfunction as factors of high cardiometabolic risk in patients with essential hypertension and dysglycemia
DOI:
https://doi.org/10.15587/2313-8416.2015.51655Keywords:
immune inflammation, essential hypertension, type 2 diabetes, interleukin-6, onkostatin M, endothelial dysfunctionAbstract
The aim of the study was investigation of cytokines activity, parameters of vasoactive nitric oxide (NO) pool in patients (pts) with essential hypertension (EH) and disglicemia.
Methods: the study involved 92 pts with EH, aged 30–80. Clinical, biochemical, immune sorbent, statistic methods were used.
Results: the pts were divided into 3 age- and sex- matched groups according to carbohydrate metabolism disorders. Group 1 included 26 patients with EH and type 2 diabetes (T2D). Thirty- two pts with EH and prediabetes were included in group 2. Group 3 consisted of 34 pts with EH without carbohydrate disorders. Pts of groups 1 and 2 had higher systolic and diastolic arterial pressure, longer history of EH (р<0.05) comparing to group 3. Significant changes of carbohydrate profile were detected (р<0.05). Endothelial dysfunction was found in 97.83 %, it was characterized by decreased endothelial NO synthase (eNOS), increased inducible NO synthase (iNOS), s-nitrosothiol (sNO). Negative correlation of eNOS with age was significant (R=-0.33, р<0.05). iNOS correlated with fasting insulin and glycated hemoglobin in group 1. (R=0.81, R=0.38 respectively, р<0.05). In group 2 iNOS – postprandial glucose (R=0.35, р<0.05). In group 3 sNO correlated with postprandial glucose and insulin (R=0.26, R=0.28 respectively, р<0.05). Oncostatin M (OsM) and interleukin-6 (IL-6) levels were 3-15 folds greater than control and the highest were in group 3. OsM – fasting insulin (R=0.21), postprandial insulin (R=0.37), postprandial glucose (R=0.28), IL-6 (R=0.76), (р<0.05).
Conclusion: we speculate that metabolic determinants of type 2 diabetes can activate pathophysiologic cascade, leading to endothelial dysfunction and immune inflammation
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