Bioeffects of electromagnetic irradiation on blood of rats
Research article: Bioeffects of electromagnetic irradiation on blood of rats
Authors: M.T. Abbasova, A.M. Gadzhiev*
Academician Abdulla Garayev Institute of Physiology, Azerbaijan National Academy of Sciences, 78 Sharifzadeh Str., Baku AZ1100, Azerbaijan;
* For correspondence: ahmed.hajiyev@yandex.ru
Accepted for publication: 12 March 2020
Abstract:
Electromagnetic radiation (EMR) generated by various devices (radars, mobile phones, medical equ- ipment) causes biochemical changes in the blood of humans and animals. Study of the effects of 460 MHz EMR on the blood levels of lipid peroxidation, total antioxidant activity (TAA) and reduced glu- tathione in the rats. Rats weighing 250−300g were subjected to the whole body exposure with 460 MHz EMR at the power density of 30 µW/cm2 for 4 weeks, 6 days/week, 20 min/day. For this inten- sity of radiation, value of specific absorption rate (SAR) was estimated as 15 mW/kg. A dramatic inc- rease in plasma MDA concentration was observed in the 1st week of exposure, which gradually dec- reased to a level slightly higher than that of control for other exposure periods. Erythrocyte MDA concentration was higher than that for the control animals for the 2nd and 4th weeks. TAA changes in the plasma and erythrocytes were little and statistically insignificant. Reduced glutathione concent- ration was found to decrease significantly by the end of the 4th week of exposure (p<0.01). The results indicate that free radical processes and antioxidant protection in the cells are involved in the mecha- nism of bioeffects of electromagnetic radiation in microwaves frequency range.
Keywords: Electromagnetic radiation, plasma, erythrocytes, lipid peroxidation, antioxidant activity, re- duced glutathione
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