Biochemical mechanisms of mixed effect of electromagnetic radiation and low positive temperature on animals’ organism

Authors

  • O Litovchenko Kharkiv National Medical University,
  • D Pertsev Kharkiv National Medical University,
  • I Zavgorodnii Kharkiv National Medical University,
  • T Mitelova Kharkiv National Medical University,
  • I Chehovska Kharkiv National Medical University,
  • L Abramova Kharkiv National Medical University,
  • V Vekshin Kharkiv National Medical University,

Keywords:

rats, electromagnetic radiation, cold, biochemical effects

Abstract

At present, biochemical mechanisms of mixed effects of electromagnetic radiation (EMR)and cold on the body are not adequately studied, so this problem is urgent for modern medicine.

Purpose of study. Establishing pathognomonic criteria and biochemical mechanisms of adverse effect of EMR on the organism of laboratory animals in conditions of cold stress.

Materials and methods.The laboratory subacute experiment was carried out on mature white male rats of WAG line, weighing 190-220 g for 1 month. The animals were divided into 4 groups of 10 animals in each group. The first group was subjected to the isolated action of electromagnetic radiation (frequency 70 kHz, tension 600 V/m) at a comfortable air temperature of 25 ± 2 ° C. The second group was subjected to the mixed action of EMR and low temperature 4 ± 2°C. The third group served as a control with regard to the first group, and the fourth group - with regard to the second, at air temperature of 25 ± 2°C. Expositions were carried out 5 times a week (for 4:00 every day). To identify changes in biochemical parameters studied during the experiments, blood sampling was performed at the stages of 5, 15, 30 days and urine sampling – at the stages of 15, 30 days in dynamics. Blood serum was used as biomaterial. It was determined the content of malondialdehyde (MDA), conjugated diene, content of SH-groups, superoxide dismutase, ceruloplasmin, cholesterol, high density lipoprotein, low density lipoprotein, very low density lipoprotein (VLDL), triglycerides, atherogenic index was determined, the level of urea, alkaline phosphatase, acid phosphatase, content of chlorides, calcium, magnesium, phosphorus, total protein, glucose, and catalase activity. Renal function was studied by the content of creatinine, cholinesterase, urea, uric acid, chlorides, potassium, sodium, calcium, phosphorus and glucose in urine.

Results and discussion. The findings showed that the isolated action of EMR only led to a change in the activity of catalase and a trend toward an increase in MDA level. Values of lipoprotein profile also did not have reliable changes, but high values of atherogenic index throughout the study showed the negative impact of EMR on lipid metabolism. Reliable changes in liver function tests indicated a disorder of liver detoxification function and possible derangement of protein metabolism. A decrease in creatinine and uric acid in the urine of rats is also evidence of this. The mixed effect of EMR and positive low temperature predetermined deeper violations practically in all components of metabolism, which exhibit low levels of SH-groups and the activity of catalase and superoxide dismutase, an increase in the concentration of ceruloplasmin. The observed increase in VLDL and triglycerides indicated the increase of the processes of atherogenesis. Acid phosphatase activity increased, increased alkaline phosphatase tends to raise the level of serum phosphorus levels in rats of the experimental group. There were more pronounced changes in the functioning of the liver. The level of urea in the blood serum was reliably increased. In the mixed action of EMR and positive low temperature, the level of uric acid in urine reliably increased, indicating that the development of renal failure in this group of animals, which was also indicated by elevated levels of chlorides in the urine.

Conclusions. 1. The leading biochemical mechanisms of adverse effects of mixed action of EMR and positive low temperature is a disorder of the antioxidant system of blood, lipid metabolism and renal excretory function. 2. The mixed effect of EMR and positive low temperature on the organs and systems was more pronounced compared to the isolated action of electromagnetic radiation. 3. The above determines the need to consider the increase of biological effect of EMR established in the experiment on laboratory animals in the conditions of cold stress, when substantiating hygienic standards, the development and introduction of prophylactic measures into the practice of sanitary supervision.

References

Aldibekova, K. N., Kibraeva Z. U. Influence of electromagnetic radiation on biosystems [Text] // Perspectives of development of scientific research in the 21st century: materials of the first international scientific-practical conference, January, 31, 2013 / SRC “Aprobatsiya”. Moscow, Pero edit., 2013. – P. 51-53.

Darovskih, S. N. Information-wave conception of counteraction to electromagnetic pollution of the environment and other negative factors of anthropogenic origin [Text] / S. N. Darovskih, A. A. Razzhyvin, U. I. Kudriashova, M. E. Kuznetsov // Biomedical radioelectronics. – 2008. – No. 11. – P. 20-28.

Zhavoronkov, L. P. Influence of broadband impulse-modulated EMF of low intensity on general excitability of CNS [Text] / Zhavoronkov L. P., Dubovik B. V., Pavlova L. N., Kolganova O. I., Posadskaya V. M. //Radiation and risk (Bulletin of National Radiation-Epidemiologic Register). - 2011. No 2. P.64-74.

Prisnyi, A. A. Influence of constant magnetic field on indices of blood system and spermatozoid maturation RANA RIDIBUNDA PALL [Text] / Prisnyi A.A., Kulko S. V., Pigaleva T. A. // Scientific Gazette of Belgorod State University. Series: Natural Sciences. 2011. No.14.

Kundiev, U. I. Modern problems of combined effect of production and social factors on the organism (review of literature) [Text] / U. I. Kundiev, A. O. Navakatukian, V. V. Kalnish // Vrachebnoye delo. – 1993. – No. 5-6. – P. 35-41.

Zavgorodnii, I. V. Biochemical indices of disadaptation in influence of electromagnetic radiation in conditions of cold stress [Text] / I. V. Zavgorodnii, L. P. Abramova, D. P. Pertsev, O. L. Litovchenko, V. O. Vekshin // KAZANTIP-EKO-2014. Innovation ways of solving urgent problems of basic branches, ecology, energy and resource economy: Collection of works of XXII International Scientific and Practical Conference, Kharkiv, June,2014 (Volume 1) SE “UkrNTC “Energostal”. – NTMT, 2014. – P. 269-272.

Patent for useful model “Poisoning chamber” No. 83559 (Zavgorodnii I. V., Miasoevov V. V., Vekshin V. O., Bachinskiy R. O., Teslenko O. S., Pertsev D. P., Nikulina G. L., declarant and patent owner Kharkiv National Medical University. – No. u201305791; decl. 07.05.2013.

Boikiv, D. P. Normal and pathological biochemical indices: Educational guide [Text] / D. P. Boikiv, T. I. Bondarchuk, O. L. Ivankiv et al.; Under edit. of O. Y. Skliarov. – K.: Medytsyna, 2007. – 320 p.

Downloads

How to Cite

Litovchenko, O., Pertsev, D., Zavgorodnii, I., Mitelova, T., Chehovska, I., Abramova, L., & Vekshin, V. (2020). Biochemical mechanisms of mixed effect of electromagnetic radiation and low positive temperature on animals’ organism. Annals of Mechnikov’s Institute, (2), 119–124. Retrieved from https://journals.uran.ua/ami/article/view/192928

Issue

Section

Research Articles