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• W4224325735 abstract "Introduction. The search for hihly effective methods for the treatment and control of asthma remains an urgent task of modern pathophysiology and pharmacology. N-acyl-ethanolamines of arachidonic acid (NAE 20: 4) are promising biomolecules for the regulation of the immune processes. Aim. To investigate the in vitro influence of NAE 20: 4 on the immune cells' ability from patients with asthma to synthesize pro-inflammatory cytokines and oxylipins. Materials and methods. The objective of the study was the blood of 11 patients with mild controlled asthma and 10 healthy volunteers. The in vitro experiment was carried out in stimulated and not stimulated by lipopolysaccharide (LPS) blood for 6 hours. NAE 20: 4 was added at 1.0 µM, 3.0 µM or 10.0 µM doses. The levels of cytokines (TNFα, IL-8), thromboxaneB2 (TXB2) and leukotriene B4 (LTB4) were analyzed by the ELISA method. Results. We found an increase in TNFα, IL-8, TXB2, LTB4 in the blood of persons with asthma before in vitro NAE 20: 4 exposure, which indicates systemic chronic inflammation. Incubation of blood cells without LPS did not affect the change in the spectrum of mediators studied. Whereas the treatment of NAE 20: 4 at a 10 µM reduced the synthesis of TNFα, IL-8, LTB4, TXB2. In vitro blood cells stimulation by LPS led to hyperproduction of cytokines and oxylipins. NAE 20: 4 at a dose of 1 µM in LPS-stimulated blood had no effect on the production of signaling molecules, while NAE 20:4 at a concentration of 3 µM reduced the level of TNFα, IL-8. NAE 20:4 at a dose of 10.0 µM inhibited the cytokines and LTB4 synthesis. The level of TXB2 underthe influence of NAE 20: 4 at 10.0 µM did not change. Conclusion. The results of the study revealed a dose-dependent anti-inflammatory effect of NAE 20:4, characterized by its ability to influence the synthesis of pro-inflammatory cytokines and oxylipins by the immune cells of individuals with asthma in vitro. Further study of NAE 20: 4 opens up new prospects for the development of targeted methods for regulating immune processes in asthma." @default.
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• W4224325735 date "2022-04-22" @default.
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• W4224325735 title "Influence of N-acyl-ethanolamine of arachidonic acid on the synthesis of cytokines and oxylipins by the blood leukocytes of patients with asthma under <i>in vitro</i> conditions" @default.
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• W4224325735 doi "https://doi.org/10.36604/1998-5029-2022-83-15-21" @default.
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