Revista de citología e histología

Effects of Low Magnetic Irradiation on Morphology and Ultrastructure of Parotid Glands in Rats and Amelioration by Vitamin E

Abstract

Hoda H. Anan, Magdy F. Gawish, Mona G. Amer and Nahla E. Ibrahimm

Background: Human is daily exposed to electromagnetic field from different source in modern societies with associated health impacts. This experiment aims to study the histological structure of parotid gland after exposure to extremely low frequency magnetic field ELF-MF associated with utility grid 50/60 Hertz (Hz) and to detect the possible role of Vitamin E supplementation.
Materials and methods: Thirty adult male albino rats were classified into three groups: Group (I) was control animals, group (II) and (III) were exposed to ELF-MF (50 Hz and 100 – 300 mili Tesla (mT)). Animals of group III were supplemented with daily doses of vitamin E directly before exposure to ELF-MF. Light and electron microscope examination of parotid glands were done.
Results: Degeneration of parotid gland acini and ducts together with cellular infiltrations, fibrosis and mucous transformation of the acinar cells were detected after exposure to ELF-MF. These changes were limited with vitamin E supplementation in group III. So, exposure to ELF-MF leads to parotid gland affection which could be tolerated with vitamin E supplementation.