Abstract: Objective: Uncontrolled diabetes has become a major cause of mortality and morbidity by reason of vascular angiopathy. The aim of this study was to evaluate the concentrations of soluble forms of vascular adhesion molecule-1 (sVCAM-1), intercellular adhesion molecule-1 (sICAM-1), E-selectin, and thrombomodulin in patients with well-controlled and uncontrolled diabetes type 2. Methods: The study was conducted on 62 patients with diabetes. Group I consisted of 35 patients with well-controlled diabetes. The second group included 27 patients with uncontrolled diabetes with micro-albuminuria. A control group was made up of 25 healthy volunteers. The concentrations of sVCAM-1, sICAM-1, sE-selectin, and soluble thrombomodulin were assayed in plasma. Serum concentration of creatinine was measured and the plasma concentrations of fasting glucose and glycated hemoglobin (HbA1c) determined. Results: Lower concentrations of ICAM-1 were found in the group of uncontrolled diabetes patients compared with those with well-controlled disease. In patients with uncontrolled diabetes, VCAM-1 levels were significantly higher compared with the group with well-controlled diabetes. In patients with uncontrolled diabetes a positive correlation was obtained between glomerular filtration rate and sE-selectin and a negative correlation between the levels of creatinine and ICAM-1, although there was a positive correlation between (HbA1c) and ICAM-1. Conclusions: The study confirmed the participation of the inflammatory process associated with impaired vascular endothelial function in the pathogenesis of type 2 diabetes. The opposite effect of uncontrolled hyperglycemia on adhesion molecules suggests different functions of VCAM-1 and ICAM-1 in complications of diabetes.

Key words: Diabetic kidney disease, Glomerular filtration rate, Hyperfiltration

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