この研究は、成獣ラットに電磁界ばく露を与え(2.45GHz、電力密度2.8mW/cm2、1日3時間、3週間)、最後のばく露終了の3時間後に得た肝臓組織の標本を組織学的に検査した。その結果、肝小葉の中央に中程度の充血、肝類洞の拡張、小さな炎症性病巣が見られた;肝細胞の構造に変化はなかった、などの所見を報告している。
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The effects of exposure of rats to a pulsed 2.45 GHz electromagnetic field on the structure and ultrastructure of the liver should be investigated.
40 rats were divided into 2 groups (n=20 each): 1) control group and 2) exposure to the electromagnetic field. All animals were anesthetized and examined 3 hours after the last exposure session.
ばく露 | パラメータ |
---|---|
ばく露1:
2.45 GHz
ばく露時間:
continuous for 3 h/day for 3 weeks
|
|
周波数 | 2.45 GHz |
---|---|
タイプ |
|
波形 |
|
ばく露時間 | continuous for 3 h/day for 3 weeks |
ばく露の発生源/構造 |
|
---|---|
チャンバの詳細 | purpose-designed chamber |
測定量 | 値 | 種別 | Method | Mass | 備考 |
---|---|---|---|---|---|
電力密度 | 2.8 mW/cm² | mean | - | - | - |
Microscopy showed a slightly increased blood flow, dilatation of liver sinusoids and small inflammatory foci in the centers of liver lobules in the exposure group compared to the control group. The morphology of hepatocytes was not altered and all observed changes were classified as moderate.
Electron microscopy of hepatocytes revealed more vesicles, lipid droplets and growth of the smooth endoplasmic reticulum in cells of the exposure group compared to the control group. Occasionally, necrotic cells were found in the exposure group but not in the control group.
The authors conclude that exposure of rats to a pulsed 2.45 GHz electromagnetic field could have adverse effects on the liver.
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