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Am J Otolaryngol. 2015 Jan-Feb;36(1):39-46. doi: 10.1016/j.amjoto.2014.10.001. Epub 2014 Oct 5.

The effect of 2100 MHz radiofrequency radiation of a 3G mobile phone on the parotid gland of rats.

Author information

1
Department of Otorhinolaryngology, Ministry of Health Ankara Training and Research Hospital, Ankara, Turkey. Electronic address: flzydgn@yahoo.com.
2
Department of Otorhinolaryngology, Düzce University Faculty of Medicine, Düzce, Turkey.
3
Department of Otorhinolaryngology, Ministry of Health Ankara Training and Research Hospital, Ankara, Turkey.
4
Department of Pathology, Harran University, Faculty of Veterinary Medicine, Şanlıurfa, Turkey.
5
Department of Biochemistry, Ankara University Faculty of Medicine, Ankara, Turkey.
6
Department of Biophysics and Gazi Non-Ionizing Radiation Protection Center, Gazi University Faculty of Medicine, Ankara, Turkey.

Abstract

PURPOSE:

We aimed to evaluate the effect of 2100 MHz radiofrequency radiation on the parotid gland of rats in short and relatively long terms.

MATERIAL AND METHODS:

Thirty Wistar albino rats were divided into four groups. Groups A and B served as the control groups (for 10 days and 40 days, respectively), and each group included six rats. Groups C and D were composed of nine rats each, and they were the exposure groups. The rats were exposed to 2100 MHz radiofrequency radiation emitted by a generator, simulating a third generation mobile phone for 6 hours/day, 5 days/week, for 10 or 40 days. Following exposure, the rats were sacrificed and parotid glands were removed. Histopathological and biochemical examinations were performed.

RESULTS:

Although there were no histopathological changes in the control groups except for two animals in group A and three animals in group B, the exposure groups C (10 days) and D (40 days) showed numerous histopathological changes regarding salivary gland damage including acinar epithelial cells, interstitial space, ductal system, vascular system, nucleus, amount of cytoplasm and variations in cell size. The histopathological changes were more prominent in group D compared to group C. There was statistically significant different parameter regarding variation in cell size between the groups B and D (p=0.036).

CONCLUSION:

The parotid gland of rats showed numerous histopathological changes after exposure to 2100 MHz radiofrequency radiation, both in the short and relatively long terms. Increased exposure duration led to an increase in the histopathological changes.

PMID:
25456509
DOI:
10.1016/j.amjoto.2014.10.001
[Indexed for MEDLINE]

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