一部の体細胞と神経性の特性についての神経欠乏遺伝子変異マウス (+lLc)と通常の野生マウス(+/+)を用いて、長期の高周波電磁界ばく露の影響を調べた。新生と若年成獣（3ヶ月）の両方（C3H, B6CBA）を第1日から21日また91日から120日にわたりHE電磁界（870MHz）ばく露を受けさせた。両グループと対照グループでの動物の体重を調べた。さらに、B6CBAマウスで学習能力、運動機能、CNSの興奮性を調べた。ばく露動物のSARをモデルにより求めた。HEばく露で、体重にわすかな違いが見られた。ばく露での学習能力には影響は見られなかったが、対照と比べ、水泳速度、運動機能の低下が見られる動物があった。CNSの活性についてはばく露による影響は見られなかった。
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To study the effect of long-term exposure to radio frequency electromagnetic field on some somatic and neural characteristics in neurodefective Lurcher mutant (+/Lc) and normal wild type mice (+/+).
Both newborn (n=162) and young adult (3 months, n=94) animals were exposed to radio frequency electromagnetic field (870 MHz) from 1st to 21st day (2.5 h daily) or from 91st to 120th day (3 h daily) respectively. In all animals the development of body weight was observed. Additionally, in the exposed adult animals the spatial learning ability, motor functions and CNS excitability was studied.
|ばく露時間||repeated daily exposure, 2.5 h/day, for 21 days|
|ばく露装置の詳細||The radiation was directed by a waveguide to a plastic box with animals placed just in front of it.|
|Additional information||Newborn mice (n = 162) were exposed from the 1st to the 21st day.|
|ばく露時間||repeated daily exposure, 3 h/day, for 30 days|
|Additional information||Young adult mice (n = 94) were exposed from the 91st to the 120th day.|
The exposed animals exhibited mild differences of body weight compared to unexposed controls. The long-term exposure did not significantly influence the ability to learn in the Morris water maze. Significant lower swimming speed was found in the irradiated Lurcher mutant mice when compared to controls. No significant differences were found between irradiated animals and controls in the CNS excitability and motor functions.