The level of lipid peroxidation products in the rats blood under prolonged cadmium and lead loading


  • S. О. Slobodian Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies, Pekarska, Str., 50, Lviv, 79010, Ukraine https://orcid.org/0000-0003-2417-6927
  • B. V. Gutyj Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies, Pekarska, Str., 50, Lviv, 79010, Ukraine https://orcid.org/0000-0002-5971-8776
  • K. Y. Leskiv Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies, Pekarska, Str., 50, Lviv, 79010, Ukraine https://orcid.org/0000-0003-3763-3955
Keywords: toxicology, cadmium, lead, rats, diene conjugates, TBARS-active products

Abstract

Lipid peroxidation is a form of tissues respiration. This process is characteristic of normal tissues and occurs, as a rule, after the construction of lipid membrane structures, their updates and during the biosynthesis of many hormones. However, free radical oxidation can be activated in an unfavorable environmental situation, since in our case it happened under the action of Cadmium and Lead. The purpose of the work was to investigate the Cadmium and Lead effects on the lipid peroxidation processes intensity in rats. The experiments were carried out on 200 – 220 g male “Wistar” rats, from which 4 groups of animals were formed: 1) control group – animals were administered drinking water through a metal probe in bulk, which is equivalent to the volume of aqueous salt solution Cd2+ і Pb2+; 2) experimental group 1 – animals were administered 0.029 % an aqueous solution of cadmium chloride in a dose 4.0 mg/kg; 3) experimental group 2 – animals were administered 16.6 % aqueous lead acetate solution at a dose 200 mg/kg; 4) experimental group 3 – animals were administered 16.6 % aqueous lead acetate solution at a dose 100 mg/kg and 0.029 % an aqueous solution of cadmium chloride in a dose 2.0 mg/kg. Throughout the experiment, rats were kept in a balanced diet containing all the necessary components, the animals were given drinking water without restrictions from 0.2 liter glass bowls. Based on our research, we detected activation of lipid peroxidation (LPO) products in the blood of rats under lead-cadmium loading, as indicated by the growth of intermediate and final products in comparison with the group of intact animals. Probable level increase of LPO products was observed from the first day of the experiment. For the 7th day of the experiment, the level of diene conjugates in the blood of the third experimental group increased by 88.9 %, and the level of Thiobarbituric acid reactive substances (TBARS) increased by 31.8 %. At 14 and 21 days of the experiment, the level of of LPO products in the rats blood under the lead-cadmium load was the highest. These changes in the LPO products level indicate an increase in the intensity of radical formation processes. Peroxide oxidation forms, at almost all stages of its course, a number of products that result from the interaction of free radicals with each other and with biological macromolecules.

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Published
2019-12-26
How to Cite
Slobodian, S., Gutyj, B., & Leskiv, K. (2019). The level of lipid peroxidation products in the rats blood under prolonged cadmium and lead loading. Ukrainian Journal of Veterinary and Agricultural Sciences, 2(3), 15-18. https://doi.org/https://doi.org/10.32718/ujvas2-3.04