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16 male rats were separated into a control and an experimental group. For the experimental group the phones transmitted speech for 20 minutes per day for one month.
|ばく露時間||repeated daily exposure, 20 min/day, for 1 month|
The mobile phones transmitted human speech from a tape to the base station.
|Distance between exposed object and exposure source||5 mm|
|チャンバの詳細||The rats were confined in Plexiglas cages (20 cm x 10.5 cm x 10 cm) with ventilation holes, and the mobile phones were placed under the cages.|
|ばく露装置の詳細||Exposure began when the rats settled down to a prone position and selected a fixed location inside the cage spontaneously.|
|Sham exposure||A sham exposure was conducted.|
|Additional information||The same phones were placed under the control rats but they were turned off.|
The results showed that 20 minutes of the irradiation emitted from 900 MHz cellular phones did not alter anti-apoptotic bcl-2 protein in the brain and testes of rats.
It was concluded that bcl-2 may not be involved in the effects of irradiation on the brain and testes of rats.