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交感神经刺激期间内源性ATP的释放。

Release of endogenous ATP during sympathetic nerve stimulation.

作者信息

Lew M J, White T D

机构信息

Baker Medical Research Institute, Prahran, Victoria, Australia.

出版信息

Br J Pharmacol. 1987 Oct;92(2):349-55. doi: 10.1111/j.1476-5381.1987.tb11330.x.

Abstract

1 Vas deferens from guinea-pig was stimulated with a suction electrode and both contractions and release of endogenous ATP monitored 2 Release of ATP was tetrodotoxin-sensitive and increased when the number of stimuli was increased. 3 Release of ATP was not due to contraction of the muscle and persisted following block of contractions with prazosin and alpha, beta-methylene ATP. 4 These results indicate that stimulation of the sympathetic nerves in the vas deferens releases endogenous ATP presynaptically, supporting a cotransmitter function for ATP with noradrenaline.

摘要

1 用吸力电极刺激豚鼠的输精管,并监测收缩情况以及内源性ATP的释放。2 ATP的释放对河豚毒素敏感,且当刺激次数增加时会增加。3 ATP的释放并非由于肌肉收缩所致,在用哌唑嗪和α,β-亚甲基ATP阻断收缩后仍持续存在。4 这些结果表明,刺激输精管中的交感神经会在突触前释放内源性ATP,支持ATP与去甲肾上腺素具有共同递质功能。

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Release of endogenous ATP during sympathetic nerve stimulation.交感神经刺激期间内源性ATP的释放。
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