The effects of 30 mT electromagnetic fields on hippocampus cells of rats

Asghar Rajabzadeh, Lorestan University of Medical Sciences and Farzaneh Teimori, Tabriz University of Medical Sciences, and Amir A. Khaki, Tabriz University of Medical Sciences, and Leila Roshangar, Tabriz University of Medical Sciences, (2016) The effects of 30 mT electromagnetic fields on hippocampus cells of rats. Surgical Neurology International.

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Abstract

Background: Despite the use of electromagnetic waves in the treatment of some acute and chronic diseases, application of these waves in everyday life has created several problems for humans, especially the nerve system. In this study, the effects of 30mT electromagnetic fields (EMFs) on the hippocampus is investigated. Methods: Twenty‑four 5‑month Wistar rats weighing 150–200 g were divided into two groups. The experimental group rats were under the influence of an EMF at an intensity of 3 mT for approximately 4 hours a day (from 8 AM to 12 PM) during 10 weeks. After the hippocampus was removed, thin slides were prepared for transmission electron microscope (TEM) to study the ultrastructural tissue. Cell death detection POD kits were used to determine the apoptosis rate. Results: The results of the TEM showed that, in the hippocampus of the experimental group, in comparison to the control group, there was a substantial shift; even intracellular organelles such as the mitochondria were morphologically abnormal and uncertain. The number of apoptotic cells in the exposed group compared to the control group showed significant changes. Conclusions: Similar to numerous studies that have reported the effects of EMFs on nerves system, it was also confirmed in this lecture. Hence, the hippocampus which is important in regulating emotions, behavior, motivation, and memory functions, may be impaired by the negative impacts of EMFs. Key Words: Electromagnetic fields, hippocampus, rats

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