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The effects of a chronic whole body exposure of rats to a 1910.5 MHz electromagnetic field on the male reproductive system should be investigated.
12 male rats were equally divided into two groups: 1) sham exposure and 2) exposure. The experiment was repeated twice.
|ばく露時間||continuous for 2 hours/day on 6 days/week for 60 days|
|チャンバの詳細||one animal per Plexiglas cage (length: 55 cm, width: 17.5 cm, height: 15 cm), ventilated with holes of 2 mm diameter|
|ばく露装置の詳細||a mobile phone was placed on top of each exposure chamber; the phone was kept on "talk mode" at a fixed frequency and was connected to a stepper, which was programmed to keep the phone on an angular movement from 2° to 20° (moving at 2°/min) above the cage during exposure to simulate actual movement of a mobile phone during use|
|Sham exposure||A sham exposure was conducted.|
The sperm concentration, testicular weight and the diameter of seminiferous tubules were significantly reduced in exposed animals compared to sham exposure while the concentration of malondialdehyde was significantly increased, indicating increased oxidative stress. Moreover, the comet assay revealed significant differences in exposed samples compared to sham exposure, indicating an increase of DNA strand breaks.
The authors conclude that a chronic whole body exposure of rats to a 1910.5 MHz electromagnetic field can affect the male reproductive system.