期刊
NEUROSCIENCE LETTERS
卷 354, 期 1, 页码 30-33出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2003.09.063
关键词
magnetic fields; analgesia; locomotion; morphine; nociception; opiate
Diverse studies have shown that magnetic fields can affect behavioral and physiological functions. Previously, we have shown that sinusoidal extremely low frequency magnetic fields and specific pulsed magnetic fields (Caps) can produce alterations in the analgesia-related behavior of the land snail. Here, we have extended these studies to show an induction of analgesia in mice equivalent to a moderate dose of morphine (5 mg/kg), and the effect of both Cnp exposure and morphine injection on some open-field activity. Cnp exposure was found to prolong the response latency to a nociceptive thermal stimulus (hot plate). Cnp + morphine offset the increased movement activity found with morphine alone. These results suggest that pulsed magnetic fields can induce analgesic behavior in mice without the side effects often associated with opiates like morphine. (C) 2003 Elsevier Ireland Ltd. All rights reserved.
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