Effect of chronic X-ray irradiation in low doses on the thoracic region in an experiment

Author:

Veialkina N. N.ORCID,Belaia L. A.,Aksenenko O. S.,Suslenkova A. E.,Medvedeva E. A.

Abstract

The effect of repeated low dose irradiation of the thoracic region of laboratory mice of the C57Bl/6 line on the general condition of laboratory animals and the condition of their lungs was studied. It has been shown that repeated local irradiation of the thoracic region of mice at a dose of 150 mGy (the total radiation dose was 1050 mGy) does not cause significant changes in the general condition of the animals, morphofunctional changes in the lungs of mice, but at the same time the level of apoptotic cells in the mixed population of lung cells increases to an aver -age of 6,7%, and also increases the level of pro-inflammatory cytokines IL-1 and TNFα in lung tissue homogenates, compared to the control, which indicates activation of innate immunity in irradiated tissue in response to repeated low-dose irradiation.

Publisher

Republican Scientific and Practical Center for Radiation Medicine and Human Ecology

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