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大脑中的组胺H2受体与可乐定产生的睡眠。

Histamine H2-receptors in the brain and sleep produced by clonidine.

作者信息

Vogt M

出版信息

Br J Pharmacol. 1977 Nov;61(3):441-3. doi: 10.1111/j.1476-5381.1977.tb08438.x.

Abstract

Sleep was induced in chicks aged 4-7 days by intravenous injection of clonidine hydrochloride 0.04 mumol/kg. Sleep was not prevented or altered by a preceding intramuscular injection of blockers of histamine H2-receptors which were used in doses (as mumol/kg) of up to 800 (metiamide) and 2400 (cimetidine). Clonidine, therefore, does not cause sleep by stimulating H2-receptors in the brain. The highest dose of cimetidine used had a hypnotic action of its own.

摘要

通过静脉注射0.04微摩尔/千克的盐酸可乐定诱导4至7日龄雏鸡睡眠。预先肌肉注射组胺H2受体阻滞剂(剂量高达800微摩尔/千克的甲硫咪胺和2400微摩尔/千克的西咪替丁)不会阻止或改变睡眠。因此,可乐定不是通过刺激大脑中的H2受体来引起睡眠的。所使用的最高剂量的西咪替丁自身具有催眠作用。

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