Abstract Title:

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

Abstract Source:

Am J Otolaryngol. 2015 Jan-Feb;36(1):39-46. Epub 2014 Oct 5. PMID: 25456509

Abstract Author(s):

Filiz Aydogan, Ilhan Unlu, Emine Aydin, Nihat Yumusak, Erdinc Devrim, Ethem Erdal Samim, Elcin Ozgur, Velid Unsal, Arin Tomruk, Goknur Guler Ozturk, Nesrin Seyhan

Article Affiliation:

Filiz Aydogan


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.

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