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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2015; 61(1): 28-34


Genotoxic stress and the pathways of thymus cell death and lymph nodes of mice in conditions of immunocomplex pathology

N.G. Grushka, S.I. Pavlovych, T.M. Bryzgina, V.S. Sukhina, N.V. Makogon, R.I Yanchiy

    O.O. Bogomolets Institute of Physiology NAS of Ukraine, Kyiv
DOI: https://doi.org/10.15407/fz61.01.028

Abstract

There were performed the studies of genotoxic stress and the ways of immunocompetent cells death (apoptosis and necrosis ) in the modeling of immune system damage by immunization of CBA mice with the bovine serum albumin. Immunofluorescence studies of immunized mice were established the fixation of immune complexes in liver tissue, spleen, kidney and the aorta. Histological studies of these organs showed vascular system affection and, to a lesser extent, parenchyma. It has been shown that DNA comets index increases in 1,4 time in the lymph node cells and in 1,5 time in the thymus cells in the presence of BSA immunization. We also observed an increase in the number of cells with maximum damage DNA thymus preparations ( 3.4 fold ) and lymph nodes ( 3.3-fold), respectively , indicating strong genotoxic stress. There were shown the reduce of live ICC number and their death increase, including the pro-inflammatory and immunogenic necrotic way. In that way, data which were obtained on the experimental model is evidenced that generalized immunecomplex pathologic process leads to DNA damage and ICC death both central and peripheral organs of the immune system. ICC genotoxic stress and their death amplification by the necrotic way may play a significant role in the immunecomplex deseases development. These factors of peripheral blood lymphocytes can serve as a prospective test system for assessing the severity of autoimmune and immune complex diseases and their treatment effectiveness.

Keywords: DNA damage; apoptosis; necrosis; lymphocytes; immunocomplex pathology.

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