Immunoregulatory effects of local and systemic use of melatonin in experimental thermal trauma
- Authors: Osikov M.V.1,2, Ageeva A.A.1, Boyko M.S.1, Ageev Y.I.1
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Affiliations:
- South Ural State Medical University
- Chelyabinsk Regional Clinical Hospital
- Issue: Vol 26, No 2 (2023)
- Pages: 123-128
- Section: ORIGINAL ARTICLES
- URL: https://journals.rcsi.science/1028-7221/article/view/253386
- DOI: https://doi.org/10.46235/1028-7221-9408-IEO
- ID: 253386
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Abstract
High incidence of thermal trauma (TT), increased risk of infectious and non-infectious short- and long-term complications, and limited effectiveness of the therapeutic approaches are the main pre-requisites for searching and pathogenetic justification of new therapies. E.g., melatonin, an endogenous homeostatic regulator with pleiotropic properties, deserves special attention. The aim of the work was to study the effect of local application (as an original dermal film) and systemic usage of melatonin upon concentrations of circulating TNF–α and IL-4 in the course of experimental thermal trauma.
The rates of wound epithelization were expressed as per cent values. The plasma concentrations of IL-4, TNFα were determined with automatic enzyme immunoassay analyzer “Personal LAB” (Italy).
In the series with TT, the rate of wound epithelization increased from the 5th to the 20th day of experiment. When using dermal films with MT in experimental TT on days +5, +10 and +20, an increase in the rate of wound epithelization was registered. Under the conditions of intraperitoneal MT injection in experimental TT, the rate of wound epithelization increased on days +10 and +20. A correlation analysis revealed stronger interrelations observed when applying dermal films with MT in thermal trauma, rather than in series with intraperitoneal usage of MT thus suggesting faster repair processes in the first case, along with diminished area of alterations and decreased amounts of cytokines in serum.
In experimental TT, the concentrations of TNFα and IL-4 increase in blood serum on days +5, +10 and +20. On days +10 and +20, moderate positive associations were recorded between the rate of wound epithelialization and the concentration of serum cytokines. Upon intraperitoneal use of MT in experimental TT, on days +5, +10 and +20, the rate of epithelization increases, along with decrease of TNFα concentration on days +10 and +20. On days +5, +10 and +20, moderate negative associations were recorded between the rate of wound epithelization and the concentration of TNFα. Under the conditions of using DP with MT with TT, the rate of wound epithelization increases on days 5, 10 and 20, the concentration of TNFα decreases in serum, the concentration of IL-4 decreases on day +10. On days +5, +10 and +20, the negative correlations were recorded between the rate of wound epithelization and serum concentrations of TNFα and IL-4. A comparative efficiency analysis of MT-containing dermal films versus intraperitoneal use of MT in experimental thermal trauma revealed a more accelerated epithelization of the wound along with earlier decrease in TNFα, a greater number and strength of relationships between the rate of the wound epithelization and concentrations of cytokines in blood serum.
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##article.viewOnOriginalSite##About the authors
Michael V. Osikov
South Ural State Medical University; Chelyabinsk Regional Clinical Hospital
Email: ritkaboyko@yandex.ru
PhD, MD (Medicine), Professor, Head, Department of Pathophysiology, South Ural State Medical University; Head, Department of Scientific Work, Chelyabinsk Regional Clinical Hospital, Chelyabinsk, Russia
Russian Federation, Chelyabinsk; ChelyabinskAnna A. Ageeva
South Ural State Medical University
Email: ri-tochka9@list.ru
Assistant Professor, Department of Pathophysiology, South Ural State Medical University, Chelyabinsk, Russian Federation
Russian Federation, ChelyabinskMargarita S. Boyko
South Ural State Medical University
Author for correspondence.
Email: ritkaboyko@yandex.ru
Assistant Professor, Department of Pathophysiology, South Ural State Medical University, Chelyabinsk, Russian Federation
Russian Federation, ChelyabinskYuriy I. Ageev
South Ural State Medical University
Email: ri-tochka9@list.ru
PhD (Medicine), Associate Professor, Department of Pathophysiology, South Ural State Medical University, Chelyabinsk, Russian Federation
Russian Federation, ChelyabinskReferences
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