Serotonin-related immunomodulatory effect in a model of a contaminated wound in warm-blooded animals
- Authors: Chibirova T.T.1,2, Skupnevskii S.V.1, Saveljev R.V.1, Kokaev R.I.2
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Affiliations:
- North Ossetian State University named after K.L. Khetagurov
- Vladikavkaz Scientific Center of the RAS
- Issue: Vol 15, No 4 (2025)
- Pages: 689-695
- Section: ORIGINAL ARTICLES
- URL: https://journals.rcsi.science/2220-7619/article/view/352118
- DOI: https://doi.org/10.15789/2220-7619-SRI-17863
- ID: 352118
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Abstract
Introduction. The treatment of contaminated wounds remains a significant challenge, and the solution to this problem may lie in the realm of pathogenetic therapy. The aim of this study was to investigate serotonin-related immunoregulatory effects in a contaminated wound model in experimental animals.
Materials and methods. Wistar rats underwent surgical skin incisions in the epigastric region along the abdominal white line. Control animals received intraperitoneal saline (1st group) injections. Experimental animals were administered serotonin (days 0–5) at a dosage of 1.43 mg/kg b.w. intraperitoneally (2nd group); a serotonin pulse therapy (1.43; 1.43; 3.58; 7.15; 14.30 mg/kg) regimen was also administered (3rd group). After 5 days, the animals were euthanized, and microbiological, immunological, and histological analyses were performed. Results. Upon serotonin treatment, total microbial wound and peri-wound contamination (both hemolytic and non-hemolytic) decreased by 27% compared to control group (p > 0.05). The number of yeast-like and mold-like fungi also decreased significantly in experimental groups, by 4 times in the low dose group (1.43 mg/kg/day) and 4.6 times after pulse therapy. At the same time, an immunomodulatory effect was noted presented as increased neutrophil phagocytic activity, IL-6 levels, and activation of granulocyte lineage in the hematopoietic system. Histological analysis revealed accelerated skin regeneration in groups of treated animals.
Conclusion. Serotonin administration has an immunomodulatory effect in a model of contaminated wounds in animals, leading to reduced bacterial contamination and accelerated wound healing.
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##article.viewOnOriginalSite##About the authors
Tamara T. Chibirova
North Ossetian State University named after K.L. Khetagurov; Vladikavkaz Scientific Center of the RAS
Author for correspondence.
Email: tamaramerdenova@mail.ru
Junior Researcher, Laboratory of Subcellular Structures, Institute of Biomedical Research, Junior Researcher, Laboratory of Systemic Environmental Analysis
Russian Federation, Vladikavkaz; VladikavkazS. V. Skupnevskii
North Ossetian State University named after K.L. Khetagurov
Email: tamaramerdenova@mail.ru
DSc (Biology), Head of the Laboratory of Systemic Environmental Analysis
Russian Federation, VladikavkazR. V. Saveljev
North Ossetian State University named after K.L. Khetagurov
Email: tamaramerdenova@mail.ru
Laboratory Assistant, Laboratory of Systemic Environmental Analysis
Russian Federation, VladikavkazR. I. Kokaev
Vladikavkaz Scientific Center of the RAS
Email: tamaramerdenova@mail.ru
PhD (Medicine), Head of the Laboratory of Cell Technologies , Institute of Biomedical Research
Russian Federation, VladikavkazReferences
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