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Electromagn Biol Med. 2020 Mar 12:1-14. doi: 10.1080/15368378.2020.1737806. [Epub ahead of print]

Effects of acute exposure to ultra-wideband pulsed electromagnetic fields on the liver and kidneys of mice.

Author information

1
State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi'an, China.
2
Hybrid Rapeseed Research Center of Shaanxi Province, Shaanxi Rapeseed Branch of the National Centre for the Genetic Improvement of Oil Crops, Xi'an, China.
3
Key Laboratory of Biomedical Information Engineering of the Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China.
4
Xi'an Jiaotong University Hospital, Xi'an, China.
5
Key Laboratory on Electromagnetic Effects, Shijiazhuang Campus of Army Engineering University, Shijiazhuang, China.
6
State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China.

Abstract

The biosafety of ultra-wideband (UWB) pulses, which are characterized by simultaneously high power and a high bandwidth ratio, has gained increasing attention. Although there is substantial prior literature on the biological effects of UWB pulses on both cells and animals, an explicit, unequivocal and definite pattern of the corresponding biological responses remains elusive, and the systemic secondary consequences are also still not fully understood. In this study, we found that exposing mice to UWB pulses resulted in the alteration of several biochemical blood parameters, which further prompted us to investigate changes in the liver and kidneys of mice exposed to UWB pulses with different field intensities and different durations. The data demonstrated that exposure to UWB pulses significantly increased the levels of ALT and AST, increased oxidative stress, and could even induce the accumulation of lipid droplets in hepatocytes. The total number of pulses under the tested acute exposure regiment contributed most to the observed hepatic and rental dysfunction. Notably, the physiological and molecular changes recovered approximately 72 hours after exposure. These results imply the potential risk of acute exposure to UWB pulses, and highlight the meaningful targets for further long-term study of chronic exposure.

KEYWORDS:

Ultra-wideband pulses; antioxidant enzymes; biological effects; lipid droplet accumulation; oxidative stress

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