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Rats’ liver morphology in conditions of acute foot-shock stress against the background of delta sleep-inducing peptide injection

https://doi.org/10.21626/vestnik/2016-4/10

Abstract

An acute foot-shock stress caused a reduction in parenchymal-stromal ratio due to the dilation and hyperemia of the liver blood vessels, a stagnation phenomenon in the bile capillaries and cholestasis, an increase in the intensity of the liver current functioning and development of degenerative and destructive changes in hepatocytes, an increase in the current proliferative activity of hepatocytes along with the reduced depth of reparative reserves according to the results of the morphometric examination of the liver. Delta sleep-inducing peptide (DSIP) in the every dose used (40, 120, and 360 mcg/kg) increased the parenchymal-stromal ratio indicators in stressed animals. Peptide introduction in a dose of 40 mcg/kg was accompanied by increasing the current rate of functioning hepatocytes and accumulating the potential reparative reserves in stressed animals. DSIP in a dose of 360 mcg/kg contributed to a decrease in hyperemia, stagnation phenomenon and cholestasis, a significant reduction in degenerative processes and an increase in the liver reparative reserves. In conditions of the acute foot-shock stress the thymus relative weight was also reduced, but it was leveled after administrating DSIP in doses of 40 and 360 mcg/kg. Thus both the stress and peptide administration had no effect on the relative liver weight.

About the Authors

A. E. Belykh
Kursk State Medical University
Russian Federation


V. T. Dudka
Kursk State Medical University
Russian Federation


I. I. Bobyntsev
Kursk State Medical University
Russian Federation


A. A. Kryukov
Kursk State Medical University
Russian Federation


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Review

For citations:


Belykh A.E., Dudka V.T., Bobyntsev I.I., Kryukov A.A. Rats’ liver morphology in conditions of acute foot-shock stress against the background of delta sleep-inducing peptide injection. Kursk Scientific and Practical Bulletin "Man and His Health". 2016;(4):59-66. (In Russ.) https://doi.org/10.21626/vestnik/2016-4/10

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ISSN 1998-5746 (Print)
ISSN 1998-5754 (Online)