この研究は、妊娠したSDラットをばく露群と無ばく露の対照群に分け、ばく露群には、900MHz電磁界ばく露を妊娠第1日目から20日間継続し、胎仔の腎臓組織の組織病理学的変化、アポトーシス、血清中の尿素、クレアチニン、電解質のレベルを調べた。その結果、ばく露群の腎臓組織では、軽度の充血と尿細管欠損、ボーマン嚢の拡張が見られた;腎尿細管細胞のアポトーシスに関する染色反応が対照群に比べ、ばく露群で強く見られた、と報告している。
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The effects of prenatal exposure of rats to a 900 MHz electromagnetic field on the development of kidneys should be investigated.
Pregant rats were either exposed to the electromagnetic field or not exposed (n=3 each). The offspring from exposed rats was assigned to the exposure group (group 1, n=7) and the offspring from unexposed rats was assigned to the control group (group 2, n=7). After 60 days (remark EMF-Portal: 60 days after start or end of exposure or after birth? reference not clear), young animals were killed and investigated.
ばく露 | パラメータ |
---|---|
ばく露1:
900 MHz
Modulation type:
pulsed
ばく露時間:
continuous for 20 days during pregnancy
|
|
周波数 | 900 MHz |
---|---|
タイプ |
|
ばく露時間 | continuous for 20 days during pregnancy |
Modulation type | pulsed |
---|---|
Pulse width | 577 µs |
Repetition frequency | 217 Hz |
Additional information |
simulation of GSM signal, talking mode |
ばく露の発生源/構造 |
|
---|---|
チャンバの詳細 | cages |
ばく露装置の詳細 | a generator with an external antenna placed closely and centrally under the cages |
測定量 | 値 | 種別 | Method | Mass | 備考 |
---|---|---|---|---|---|
電力 | 2 W | peak | - | - | - |
Mild congestion and renal tubule defects as well as a dilatation of Bowman's capsule and increased apoptosis were observed in the kidney tissues of rats in the exposure group compared to the control group. However, these changes were not statistically significant.
The only significant result was an increased potassium level in exposed rats compared to the control group.
The authors conclude that prenatal exposure of rats to a 900 MHz electromagnetic field might have an effect on the renal development.
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