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PRIMORDIAL FORMS OF PEYER'S PATCHES DEVELOPED IN ALBINO RATS' SMALL INTESTINE AFTER ADMINISTRATION OF BROAD-SPECTRUM
V Hryn1, Yu Kostylenko1, S Dubinin2
1Ukrainian Medical Stomatological Academy; 1Department of Human Anatomy, Poltava, Ukraine.
Georgian Medical News
|March 7, 2020
Summary
Clarithromycin antibiotic use in rats significantly increased Peyer's patches in the small intestine. This indicates antibiotic-induced dysbacteriosis, altering gut immune structures.
Area of Science:
- Gastroenterology
- Immunology
- Microbiology
Background:
- Antibiotic-induced dysbiosis is a significant concern in morphological research.
- Understanding the impact of antibiotics on gut-associated lymphoid tissue is crucial.
Purpose of the Study:
- To investigate the early morphological changes in Peyer's patches in albino rats following clarithromycin administration.
- To explore the relationship between antibiotic use, dysbacteriosis, and the development of gut immune structures.
Main Methods:
- Experimental study involving 30 albino male rats.
- Administration of clarithromycin as a dietary supplement.
- Histological analysis of small intestine sections, focusing on Peyer's patches, using light microscopy and morphometry.
Main Results:
- Clarithromycin administration led to a significant increase in the number of Peyer's patches.
- Newly formed aggregated lymphoid nodules, considered primordial Peyer's patches, were observed in the intestinal mucosa.
- These changes are attributed to impaired small intestinal microbiocenosis caused by clarithromycin's broad-spectrum antibacterial and immunotropic effects.
Conclusions:
- Clarithromycin significantly alters the morphology of Peyer's patches in the small intestine.
- Antibiotic-induced dysbiosis can stimulate the formation of primordial Peyer's patches.
- This study provides insights into the immunotropic effects of clarithromycin on gut immune system development.

