NEUTROPHIL EXTRACELLULAR TRAPS IN THE BLOOD OF PATIENTS WITH CHRONIC KIDNEY DISEASE OF VARIOUS STAGES
Journal Title: Вестник Алматинского института усовершенствования врачей - Year 2016, Vol 0, Issue 3
Abstract
We studied the possibility of the formation of neutrophil extracellular traps in patients with chronic kidney disease different stages. The object of the study: whole blood of 63 patients with chronic kidney disease distributed in five groups depending on the degree of destruction of renal parenchyma. Formation of net-like structures during NETosis of neutrophil, called neutrophil extracellular traps, having in its composition of DNA, histones, defensins and enzymes (elastase, myeloperoxidase, gelatinase, lactoferrin and lysozyme), was triggered by interaction with lipopolysaccharide substances of exogenous (bacteria) and autologous origin (products of oxidative metabolism), which act through the Ғсү-receptors and activate NADPH-oxidase complex. The results of our study revealed the following picture of the detection of neutrophil extracellular traps: neutrophil extracellular traps were detected in 33% of patients with chronic kidney disease 1 stage; amount was in the range from 4 to 10 in 100 neutrophils, in the group with 2 stage - in 5% of patients; amount - 4 in 100 neutrophils, with 3 stage - in 25% of patients; amount was in the range from 1 to 7 in 100 neutrophils, with 4 stage - in 33% of patients in an amount from 2 to 12 in 100 neutrophils, in the group with 5 stage - in 35% of patients in an amount from 2 to 14 in 100 neutrophils. Thus, the highest frequency of detection and the maximum amount of neutrophil extracellular traps was noted in the groups of patients with chronic kidney disease 1, 4 and 5 stages. Some features in morphology of neutrophil extracellular traps different types have been found. Distinctive feature of the first type of neutrophil extracellular traps was hypertrophy of core segments with the concentration of the pellets inside the net-like DNA. Distinctive feature of the second type of neutrophil extracellular traps was rupture of membrane structures of organelles and plasmolemma of neutrophils. The appearance of neutrophil extracellular traps is an unfavorable factor that provokes the activation of procoagulant mechanism of the hemostatic system.
Authors and Affiliations
I. V. Beinikova, A. S. Nurgaliyeva, L. A. Demidchik, V. Hendrikson
Keywords
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- EP ID EP262214
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