Morphofunctional state of the medulla and the fascicular zone of the adrenal cortex in modeling Alzheimer's disease by excessive administration of sodium nitrite

Authors

DOI:

https://doi.org/10.26641/1997-9665.2021.3.76-83

Keywords:

Alzheimer's disease, sodium nitrite, adrenal glands, rats

Abstract

Background. Nitrates and nitrites are found in soil, water, human food, dyes, and medicines. In the literature, both positive and negative effects from the ingestion of nitrates and nitrites into the body are considered. A nitrite model of Alzheimer's type dementia of vascular origin was used in the work. Objective. The aim of the study was to study the morphofunctional state of the adrenal glands of experimental animals with prolonged administration of sodium nitrite. The study was carried out on male rats of the WAG population, which were divided into 3 groups: gr. N-14 - received injections of a water solution of sodium nitrite at a dose of 50 mg / kg of body weight daily for 14 days; gr. N-28 - Rats received similar injections for 28 days. Injections are intraperitoneal. Control rats were injected with 0.9% sodium chloride solution. Results. In animals of the main groups, the formation of a morphofunctional picture of the development of a stress reaction takes place, which was also confirmed morphometrically, and in group N-28 - with signs of incipient decompensation of the medulla and the fascicular zone of the adrenal cortex. Conclusion. When simulating Alzheimer's disease in laboratory rats by the introduction of a water solution of sodium nitrite at a dose of 50 mg / kg of body weight by daily intraperitoneal injection for 14 and 28 days, a picture of their morphofunctional activation is formed in the medulla and fascicular zone of the adrenal cortex. In the group with a 28-day course of administration of sodium nitrite solution, morphofunctional signs of decompensation of the medulla and the fascicular zone of the adrenal glands (especially the medulla) appear, which indicates the development of severe distress in animals and the impossibility of restoring homeostasis.

References

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Published

2021-12-25

How to Cite

Morphofunctional state of the medulla and the fascicular zone of the adrenal cortex in modeling Alzheimer’s disease by excessive administration of sodium nitrite. (2021). Морфологія / Morphologia / Morfologìâ, 15(3), 76–83. https://doi.org/10.26641/1997-9665.2021.3.76-83

Issue

Vol. 15 No. 3 (2021)

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