去甲肾上腺素通过一个钙依赖过程增强递质释放的强直增强作用。
Noradrenaline augments tetanic potentiation of transmitter release by a calcium dependent process.
作者信息
Bergman H, Glusman S, Harris-Warrick R M, Kravitz E A, Nussinovitch I, Rahamimoff R
出版信息
Brain Res. 1981 Jun 9;214(1):200-4. doi: 10.1016/0006-8993(81)90455-8.
PMID:6263418
Abstract
Noradrenaline (25 microM-50 microM) causes an increase in tetanic potentiation and in the augmentation phase of posttetanic potentiation of miniature and plate potential frequency. These effects were observed at both the frog and the rat neuromuscular junctions. The action of noradrenaline on quantal transmitter release depends on the presence of calcium ions in the extracellular medium.
摘要
去甲肾上腺素（25微摩尔-50微摩尔）可导致强直增强以及微小电位和终板电位频率的强直后增强的增强期增加。在青蛙和大鼠神经肌肉接头处均观察到了这些效应。去甲肾上腺素对量子递质释放的作用取决于细胞外介质中钙离子的存在。
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