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Int J Radiat Biol. 2013 Nov;89(11):993-1001. doi: 10.3109/09553002.2013.811309. Epub 2013 Sep 3.

Mobile phone radiation induces mode-dependent DNA damage in a mouse spermatocyte-derived cell line: a protective role of melatonin.

Author information

1
Department of Occupational Health, Third Military Medical University , Chongqing , People's Republic of China.

Abstract

PURPOSE:

To evaluate whether exposure to mobile phone radiation (MPR) can induce DNA damage in male germ cells.

MATERIALS AND METHODS:

A mouse spermatocyte-derived GC-2 cell line was exposed to a commercial mobile phone handset once every 20 min in standby, listen, dialed or dialing modes for 24 h. DNA damage was determined using an alkaline comet assay.

RESULTS:

The levels of DNA damage were significantly increased following exposure to MPR in the listen, dialed and dialing modes. Moreover, there were significantly higher increases in the dialed and dialing modes than in the listen mode. Interestingly, these results were consistent with the radiation intensities of these modes. However, the DNA damage effects of MPR in the dialing mode were efficiently attenuated by melatonin pretreatment.

CONCLUSIONS:

These results regarding mode-dependent DNA damage have important implications for the safety of inappropriate mobile phone use by males of reproductive age and also suggest a simple preventive measure: Keeping mobile phones as far away from our body as possible, not only during conversations but during 'dialed' and 'dialing' operation modes. Since the 'dialed' mode is actually part of the standby mode, mobile phones should be kept at a safe distance from our body even during standby operation. Furthermore, the protective role of melatonin suggests that it may be a promising pharmacological candidate for preventing mobile phone use-related reproductive impairments.

PMID:
23952262
DOI:
10.3109/09553002.2013.811309
[Indexed for MEDLINE]

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