We investigated the effect of homogeneous and inhomogeneous static magnetic field (SMF) exposure on the thermal nociceptive threshold of snail in the hot plate test (43 °C). Both homogeneous (hSMF) and inhomogeneous (iSMF) SMF increased the thermo-nociceptive threshold: 40.2%, 29.2%, or 41.7% after an exposure of 20, 30, or 40 min hSMF by p < 0.001, p < 0.0001, or p < 0.001, and 32.7% or 46.2% after an exposure of 20 or 40 min iSMF by p < 0.05 or p < 0.0001. These results suggest that SMF has an antinociceptive effect in snail. On the other hand, naloxone as an atypical opioid antagonist in an amount of 1 μg/g was found to significantly decrease the thermo-nociceptive threshold (41.9% by p < 0.002), which could be antagonized by hSMF exposure implying that hSMF exerts its antinociceptive effect partly via opioid receptors.

译文

:我们在热板测试(43°C)中研究了均匀和不均匀的静磁场(SMF)暴露对蜗牛的热伤害感受性阈值的影响。均质(hSMF)和不均质(iSMF)SMF均可在暴露20、30或40分钟的hSMF时通过p <0.001,p <0.0001或p提高热伤害感受性阈值:40.2%,29.2%或41.7% iSMF暴露p≤0.05或p≤0.0001后,<0.001,以及32.7%或46.2%。这些结果表明,SMF对蜗牛具有镇痛作用。另一方面,发现纳洛酮作为一种非典型的阿片类药物拮抗剂,可显着降低热伤害感受性阈值(41.9%,p <0.002),可被hSMF暴露所拮抗,暗示hSMF发挥了其作用。部分通过阿片样物质受体产生抗伤害感受作用。

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