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大鼠下丘脑多巴胺水平的超日节律。

Ultradian rhythm in rat hypothalamic dopamine levels.

作者信息

Eriksson E, Modigh K, Häggendal J

出版信息

J Neural Transm. 1980;48(4):305-10. doi: 10.1007/BF01250665.

DOI:10.1007/BF01250665
PMID:7420077
Abstract

Rats housed under identical conditions were sacrificed with 15-min intervals between 9.30 a.m. and 2.15 p.m. for determinations of DA and NA concentrations in whole hypothalami. The NA levels showed no obvious fluctuation with time, whereas the DAS levels showed an apparent periodicity with a cycle length of approximately 2 hours and with peaks around 11.30 a.m. and 1.45 p.m. A possible relation between this DA rhythm and the secretion of pituitary hormones is discussed.

摘要

将处于相同条件下饲养的大鼠于上午9:30至下午2:15之间每隔15分钟处死一批，用于测定整个下丘脑的多巴胺（DA）和去甲肾上腺素（NA）浓度。NA水平未随时间表现出明显波动，而DA水平呈现出明显的周期性，周期长度约为2小时，峰值出现在上午11:30左右和下午1:45左右。本文讨论了这种DA节律与垂体激素分泌之间可能存在的关系。

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本文引用的文献

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Daily rhythm in the noradrenaline content of rat hypothalamus.
Nature. 1968 Feb 10;217(5128):574-5. doi: 10.1038/217574a0.
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Daily fluctuation (circadian and ultradian) in biogenic amines of the rat brain.大鼠脑内生物胺的每日波动（昼夜节律和超昼夜节律）。
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A circadian rhythm of norepinephrine regionally in cat brain: its relationship to environmental lighting and to regional diurnal variations in brain serotonin.猫脑中去甲肾上腺素的区域昼夜节律：其与环境光照及脑内血清素区域昼夜变化的关系。
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Pulsatile growth hormone and prolactin: effects of (+) butaclamol, a dopamine receptor blocking agent.脉冲式生长激素和催乳素：多巴胺受体阻断剂（+）布他拉莫的作用
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Effects of apomorphine and clonidine on rat plasma growth hormone after pretreatment with reserpine and electroconvulsive shocks.利血平和电惊厥休克预处理后阿扑吗啡和可乐定对大鼠血浆生长激素的影响。
Brain Res. 1977 Jul 1;129(2):379-84. doi: 10.1016/0006-8993(77)90020-8.
8
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Brain Res. 1977 May 20;127(1):137-52. doi: 10.1016/0006-8993(77)90385-7.
9
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