Morphfological changes in the membranes of the trachea of guinea pigs in experimental ovalbumin-induced allergic inflammation of the airways.

Authors

DOI:

https://doi.org/10.26641/1997-9665.2021.1.22-27

Keywords:

trachea, ovalbumin, allergic inflammation, guinea pig

Abstract

Background. In recent years, there has been an increase in the number of allergic diseases of the respiratory organs, especially in children. The predictor of the further development of bronchial asthma is sensitizing at an early age to the allergens of chicken egg. The use of new knowledge about the allergenic components of the chicken egg will predict the risks and clinical features of the disease. Despite the importance, the problem of morphogenesis of allergic inflammation of the wall of the trachea is not sufficiently studied, so far many issues are not found in morphology and require further research. Objective.The aim of the study is to establish morphological changes in the tracheal membranes in experimental ovalbumin-induced allergic inflammation of the airways of guinea pigs. Methods. The thickness of tracheal wall of 48 male guinea pigs was investigated by histological, morphometric, statistical methods on the twenty-third, thirty-sixth, thirty-sixth and forty-fourth days after the initiation of the experimental ovalbumin-induced allergic inflammation of the airways. Results. We have found, that maximum statistically significant thickening is shown in the late period of tracheal mucosa in 2 times on the 44th day of observation and tracheal submucosa in the 3rd experimental group on the 36th day of observation (increasing coefficient 2) compared to the control. However, the thinning of tracheal submucosa is observed in the early period of the inflammatory process on the 23rd and 30th day of observation. It has been proved, that the allergic inflammation of the tissues of the trachea caused by the sensitization and allergization of ovalbumin leads to the change in the thickness of layers of trachea in the chronobiological aspect. Conclusion. On the 23rd and 30th days of the experiment, thinning of tracheal mucosais observed due to damage of epithelial cells. Thickening of tracheal mucosa and submucosa was found in the third and fourth groups of observation (late period of allergic inflammation) compared with animals of the intact group and the control group due to an increase in the area of loose connective tissue, which is a consequence of the continuation of the allergic inflammatory process in the trachea after the end of the experiment.

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Published

2021-12-28

How to Cite

Aksamytieva, M., Popko, S., & Evtushenko, V. (2021). Morphfological changes in the membranes of the trachea of guinea pigs in experimental ovalbumin-induced allergic inflammation of the airways. Морфологія / Morphologia / Morfologìâ, 15(1), 22–27. https://doi.org/10.26641/1997-9665.2021.1.22-27

Issue

Vol. 15 No. 1 (2021)

Section

Статті

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