DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY

The aim of the study was to investigate a dependence of respiratory burst state in neutrophils on activities of their intracellular enzymes in patients with acute destructive pancreatitis (ADP) of different severity. The study included 50 patients with ADP of moderate (17 cases) and severe degree (3...

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Autores principales:	A. A. Savchenko, A. G. Borisov, D. E. Zdzitovetskiy, A. Yu. Medvedev, I. I. Gvozdev
Formato:	article
Lenguaje:	RU
Publicado:	SPb RAACI 2019
Materias:	pancreatitis severity stage neutrophils function respiratory burst chemiluminescence reactive oxygen species metabolism enzyme activity Immunologic diseases. Allergy RC581-607
Acceso en línea:	https://doaj.org/article/2a368650d86742fd829ee70a75353060
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spelling	oai:doaj.org-article:2a368650d86742fd829ee70a753530602021-11-18T08:03:48ZDEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY1563-06252313-741X10.15789/1563-0625-2019-1-77-88https://doaj.org/article/2a368650d86742fd829ee70a753530602019-01-01T00:00:00Zhttps://www.mimmun.ru/mimmun/article/view/1701https://doaj.org/toc/1563-0625https://doaj.org/toc/2313-741XThe aim of the study was to investigate a dependence of respiratory burst state in neutrophils on activities of their intracellular enzymes in patients with acute destructive pancreatitis (ADP) of different severity. The study included 50 patients with ADP of moderate (17 cases) and severe degree (33 cases). A group of 47 healthy people was examined as controls. The respiratory burst state was examined in neutrophilic granulocytes by means of chemiluminescence assays. A study of NAD(P)-dependent dehydrogenases activity in blood neutrophils was performed using bioluminescent analysis. We have revealed that a decrease in spontaneous and induced synthesis of superoxide radical by neutrophils was detected in ADP patients, independently of the disease severity. Kinetics of primary ROS synthesis was also impaired in patients with severe ADP. In patients with moderate disorder, the level of secondary ROS synthesis by neutrophils proved to be increased, whereas, in cases of severe disease, a disturbed kinetics of secondary ROS synthesis by neutrophils was detected at a resting state, showing increased synthetic level upon additional induction by zymosan. Metabolism of neutrophils in patients with ADP is characterized by activation of plastic processes (due to the products of the pentose phosphate cycle) and aerobic energy (increased substrate flow intensity in the cycle of tricarboxylic acids). However, NADPH neutrophilic pool in patients with moderate disorder could be additionally supported by enzymatic malic enzyme reactions and NADP-dependent glutamate dehydrogenase. Activation of peroxidation events in patients with severe ADP is revealed, which needs NADPH compensation. The state of energy processes in blood neutrophils in patients with ADP is characterized by lacking changes in glycolytic activity, and increased intensity of substrate flux along tricarboxylic acids cycle. Activity of aerobic processes in patients with moderate disease is maintained by the products of amino acid metabolism (via glutamate dehydrogenase), whereas, in severe ADP it may be provided by products of lipid catabolism. Using correlation analysis, a dependence of respiratory burst of neutrophils on the state of their metabolism was studied. We have found that intensity and kinetics of respiratory burst in the neutrophils of controls depends only on the activity of NADP-dependent dehydrogenases. The changes in cellular metabolic activity in the patients with moderate ADP led to disturbances of their regulatory effect upon the state of neutrophil respiratory burst. In patients with severe disorder, the degree a neutrophil respiratory burst is stimulated by reductive amination of α-ketoglutarate, being, however, inhibited by intracellular peroxidation processes.A. A. SavchenkoA. G. BorisovD. E. ZdzitovetskiyA. Yu. MedvedevI. I. GvozdevSPb RAACIarticlepancreatitisseverity stageneutrophilsfunctionrespiratory burstchemiluminescencereactive oxygen speciesmetabolismenzyme activityImmunologic diseases. AllergyRC581-607RUMedicinskaâ Immunologiâ, Vol 21, Iss 1, Pp 77-88 (2019)
institution	DOAJ
collection	DOAJ
language	RU
topic	pancreatitis severity stage neutrophils function respiratory burst chemiluminescence reactive oxygen species metabolism enzyme activity Immunologic diseases. Allergy RC581-607
spellingShingle	pancreatitis severity stage neutrophils function respiratory burst chemiluminescence reactive oxygen species metabolism enzyme activity Immunologic diseases. Allergy RC581-607 A. A. Savchenko A. G. Borisov D. E. Zdzitovetskiy A. Yu. Medvedev I. I. Gvozdev DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
description	The aim of the study was to investigate a dependence of respiratory burst state in neutrophils on activities of their intracellular enzymes in patients with acute destructive pancreatitis (ADP) of different severity. The study included 50 patients with ADP of moderate (17 cases) and severe degree (33 cases). A group of 47 healthy people was examined as controls. The respiratory burst state was examined in neutrophilic granulocytes by means of chemiluminescence assays. A study of NAD(P)-dependent dehydrogenases activity in blood neutrophils was performed using bioluminescent analysis. We have revealed that a decrease in spontaneous and induced synthesis of superoxide radical by neutrophils was detected in ADP patients, independently of the disease severity. Kinetics of primary ROS synthesis was also impaired in patients with severe ADP. In patients with moderate disorder, the level of secondary ROS synthesis by neutrophils proved to be increased, whereas, in cases of severe disease, a disturbed kinetics of secondary ROS synthesis by neutrophils was detected at a resting state, showing increased synthetic level upon additional induction by zymosan. Metabolism of neutrophils in patients with ADP is characterized by activation of plastic processes (due to the products of the pentose phosphate cycle) and aerobic energy (increased substrate flow intensity in the cycle of tricarboxylic acids). However, NADPH neutrophilic pool in patients with moderate disorder could be additionally supported by enzymatic malic enzyme reactions and NADP-dependent glutamate dehydrogenase. Activation of peroxidation events in patients with severe ADP is revealed, which needs NADPH compensation. The state of energy processes in blood neutrophils in patients with ADP is characterized by lacking changes in glycolytic activity, and increased intensity of substrate flux along tricarboxylic acids cycle. Activity of aerobic processes in patients with moderate disease is maintained by the products of amino acid metabolism (via glutamate dehydrogenase), whereas, in severe ADP it may be provided by products of lipid catabolism. Using correlation analysis, a dependence of respiratory burst of neutrophils on the state of their metabolism was studied. We have found that intensity and kinetics of respiratory burst in the neutrophils of controls depends only on the activity of NADP-dependent dehydrogenases. The changes in cellular metabolic activity in the patients with moderate ADP led to disturbances of their regulatory effect upon the state of neutrophil respiratory burst. In patients with severe disorder, the degree a neutrophil respiratory burst is stimulated by reductive amination of α-ketoglutarate, being, however, inhibited by intracellular peroxidation processes.
format	article
author	A. A. Savchenko A. G. Borisov D. E. Zdzitovetskiy A. Yu. Medvedev I. I. Gvozdev
author_facet	A. A. Savchenko A. G. Borisov D. E. Zdzitovetskiy A. Yu. Medvedev I. I. Gvozdev
author_sort	A. A. Savchenko
title	DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
title_short	DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
title_full	DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
title_fullStr	DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
title_full_unstemmed	DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY
title_sort	dependence of neutrophil respiratory burst on their metabolic state in the patients with acute destructive pancreatitis of different severity
publisher	SPb RAACI
publishDate	2019
url	https://doaj.org/article/2a368650d86742fd829ee70a75353060
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DEPENDENCE OF NEUTROPHIL RESPIRATORY BURST ON THEIR METABOLIC STATE IN THE PATIENTS WITH ACUTE DESTRUCTIVE PANCREATITIS OF DIFFERENT SEVERITY

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