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To study the response of the rat brain to an acute exposure to high power GSM 900 MHz microwaves at multiple levels: biochemical effects on neurotransmitter receptors (NMDA (N-methyl-D-aspartate) and GABA (gamma aminobutyric acid)) and transporters (dopamine), and cellular (extent of glial reaction) and behavioral effects.
Modulation type: pulsed
ばく露時間: continuous for 15 min
|ばく露時間||continuous for 15 min|
|Repetition frequency||217 Hz|
|ばく露装置の詳細||The exposure system has been described in the reference article. Rats were held in Plexiglas restrainers to avoid any movement of their heads. Individual loop antennas were fixed between two Plexiglas plates above their heads.|
|Additional information||Sham and exposed rats were processed in parallel.|
|SAR||6 W/kg||average over mass||測定値および計算値||brain||-|
Acute exposure to high power GSM 900 MHz microwaves is able to induce 1) a strong glial immunoreactivity in different structures of the brain, 2) a significant reduction of the presence of NMDA receptors at the postsynaptic membrane level in the cortex and the striatum, and 3) biochemical modifications of neurotransmitter receptor properties. Although the authors showed that the rat general locomotor behavior was not significantly altered on the short term, the data provide the first evidence for rapid cellular and molecular alterations in the rat brain after an acute exposure to high power GSM 900 MHz microwaves.