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Toxicol Int. 2013 Jan;20(1):19-24. doi: 10.4103/0971-6580.111549.

Detection of Low Level Microwave Radiation Induced Deoxyribonucleic Acid Damage Vis-à-vis Genotoxicity in Brain of Fischer Rats.

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1
Department of Biochemistry, Environmental Biochemistry and Molecular Biology Laboratory, University College of Medical Sciences and G.T.B. Hospital (University of Delhi), Dilshad Garden, New Delhi, India.

Abstract

BACKGROUND:

Non-ionizing radiofrequency radiation has been increasingly used in industry, commerce, medicine and especially in mobile phone technology and has become a matter of serious concern in present time.

OBJECTIVE:

The present study was designed to investigate the possible deoxyribonucleic acid (DNA) damaging effects of low-level microwave radiation in brain of Fischer rats.

MATERIALS AND METHODS:

Experiments were performed on male Fischer rats exposed to microwave radiation for 30 days at three different frequencies: 900, 1800 and 2450 MHz. Animals were divided into 4 groups: Group I (Sham exposed): Animals not exposed to microwave radiation but kept under same conditions as that of other groups, Group II: Animals exposed to microwave radiation at frequency 900 MHz at specific absorption rate (SAR) 5.953 × 10(-4) W/kg, Group III: Animals exposed to 1800 MHz at SAR 5.835 × 10(-4) W/kg and Group IV: Animals exposed to 2450 MHz at SAR 6.672 × 10(-4) W/kg. At the end of the exposure period animals were sacrificed immediately and DNA damage in brain tissue was assessed using alkaline comet assay.

RESULTS:

In the present study, we demonstrated DNA damaging effects of low level microwave radiation in brain.

CONCLUSION:

We concluded that low SAR microwave radiation exposure at these frequencies may induce DNA strand breaks in brain tissue.

KEYWORDS:

Brain; comet assay; deoxyribonucleic acid damage; microwave radiation

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