Magnetic fields and melatonin.
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概要
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Circlularly polarized, ellip-tically polarized, horizontal or vertical magnetic fields were exposed nearly continuously for 6 weeks on male rats. Circularly polarized field exists only very close to transmission lines and not at the ground level where humans and animals live. However, we chose the fields for the later consideration of possible mechanisms. Light: dark period was 12: 12 hours. Concentration of melatonin was assayed by RIA on both serum and pineal gland. Melatonin was reduced at 1.4μT or stronger field of cirularly polarized field exposure, and the inhibitory effect recovered within 1 week after cessation of the exposure. No inhibitory effect was observed at 1.4 μT of elliptically polarized, horizontal or vertical fields. This suggests the parameter of magnetic fields has some important implication on the biological effects.
- 日本生気象学会の論文
日本生気象学会 | 論文
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