|An Ultrastructural Study of the Antioxidant Effects of Vitamin E and Fennel Extract on Zona Pellucida Cell Changes of Rat Ovaries under Non-Ionizing 50Hz Electromagnetic Fields|
|Ali Asghari1, Azadeh Montaseri2, Amir Afshin Khaki3|
|1Department of Anatomy, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
2Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
3Women's Reproductive Health Research Center, Alzahra Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
CJMB 2015; 2: 037-041
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Keywords : Electromagnetic Field (EMF), Fennel, Ovary, Vitamin E
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Objective: Everyday use of various electronic tools and appliances has caused a large number of people to constantly be under the influence of electromagnetic fields (EMFs).
Materials and Methods: For the purpose of this study, 40 female rats were randomly selected from the animals’ laboratory. The rats chosen for the study were 3 months old and weighted 20 + 200 g. The animals were then randomly divided into 4 groups; Control (n = 10), Experiment 1 (n = 10), Experiment 2 (n = 10), and Experiment 3 (n = 10). During the experiment, all 4 groups were maintained in the same conditions and received the same feeding procedure. Test groups 1, 2, and 3 were under the influence of a 50 Hz EMF for 8 weeks. Subsequently, the second and third groups were kept away from the effects of EMF for another 8 weeks. At the end of the study, after removing the ovarian using glutaraldehyde, they were prepared for electron microscopy study. Ex2 group rats were not sacrificed, and were maintained for another 8 weeks in normal laboratory environment away from the impacts of EMF. The rats were fed vitamin E (100 mg/kg) and fennel extract (1.5 gr/kg/body weight) was added to their daily food. Samples were taken from this group at the end of the second 8 weeks. Samples from the Ex3 group were taken at the end of the second 8 weeks which were maintained in normal conditions without the use of vitamin E and fennel extract. The 10 rats from the control group were biopsied simultaneously with the Ex1 group sampling.
Results: This study showed that in the groups that had been exposed to electromagnetic radiation, zona pellucida cells had lost their microvilli and mitochondrial crystal structure. In the groups that were exposed to vitamin E and fennel extract, these changes were reduced.
Conclusion: The use of vitamin E in combination with fennel extract can reduce the damaging effects of non-ionizing radiation with 50 Hz frequency on the zona pellucida cells of rat ovaries.
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