NDLI: Fifty-gigahertz Microwave Exposure Effect of Radiations on Rat Brain

Content Provider	Springer Nature Link
Author	Kesari, Kavindra Kumar Behari, J.
Copyright Year	2008
Abstract	The object of this study is to investigate the effects of 50-GHz microwave radiation on the brain of Wistar rats. Male rats of the Wistar strain were used in the study. Animals of 60-day age were divided into two groups—group 1, sham-exposed, and group 2, experimental (microwave-exposed). The rats were housed in a temperature-controlled room (25 °C) with constant humidity (40–50%) and received food and water ad libitum. During exposure, rats were placed in Plexiglas cages with drilled ventilation holes and kept in an anechoic chamber. The animals were exposed for 2 h a day for 45 days continuously at a power level of 0.86 μW/cm$^{2}$ with nominal specific absorption rate 8.0 × 10$^{−4}$ w/kg. After the exposure period, the rats were killed and homogenized, and protein kinase C (PKC), DNA double-strand break, and antioxidant enzyme activity [superoxides dismutase (SOD), catalase, and glutathione peroxidase (GPx)] were estimated in the whole brain. Result shows that the chronic exposure to these radiations causes DNA double-strand break (head and tail length, intensity and tail migration) and a significant decrease in GPx and SOD activity (p = <0.05) in brain cells, whereas catalase activity shows significant increase in the exposed group of brain samples as compared with control (p = <0.001). In addition to these, PKC decreased significantly in whole brain and hippocampus (p < 0.05). All data are expressed as mean ± standard deviation. We conclude that these radiations can have a significant effect on the whole brain.
Starting Page	126
Ending Page	139
Page Count	14
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	158
Issue Number	1
e-ISSN	15590291
Language	English
Publisher	Humana Press Inc
Publisher Date	2008-12-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Glutathione peroxidase Superoxidase Catalase Microwave radiation Protein kinase C Biochemistry Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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