Interleukin-1 stimulates the release of dopamine and dihydroxyphenylacetic acid from the hypothalamus in vivo.

Interleukin-1 stimulates the release of dopamine and dihydroxyphenylacetic acid from the hypothalamus in vivo.
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Interleukin-1 刺激体内下丘脑释放多巴胺和二羟基苯乙酸。

DOI:
10.1016/0024-3205(91)90040-i
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发表时间:
1991
期刊:
影响因子:
6.1
通讯作者:
Quadri,SK
Quadri,SK
中科院分区:
医学2区
文献类型:
--
作者:
Mohankumar,PS;Thyagarajan,S;Quadri,SK

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采用推拉灌流技术,将IL-1 β注入自由活动的雄性大鼠下丘脑内侧基底部,收集灌流液。多巴胺(DA)及其代谢产物,二羟基苯乙酸(DOPAC),在灌流液中测定,使用高效液相色谱电化学检测。在对照组中,DA和DOPAC的释放率下降,分别为62%和40%,低于325分钟后的预处理水平。相比之下,与50 ng的IL-1 β治疗产生的这些减少大幅减少,与100 ng的IL-1 β治疗产生的DA和DOPAC的释放率分别增加了118%和89%。它的结论是,IL-1 β影响代谢的儿茶酚胺(和可能的其他神经递质)在大脑中,这反过来又介导其中央和神经内分泌活动。
Push-pull perfusion technique was used to infuse IL-1ß into and collect perfusate from the medial basal hypothalamus of freely moving male rats. Dopamine (DA) and its metabolite, dihydroxyphenylacetic acid (DOPAC), were measured in the perfusate using high performance liquid chromatography with electrochemical detection. In the control group, release rates of DA and DOPAC decreased and were 62% and 40%, respectively, below pretreatment levels after 325 min. In contrast, treatment with 50 ng of IL-1ß produced substantial reductions in these decreases, and treatment with 100 ng of IL-1ß produced increases of up to 118% and 89% in the release rates of DA and DOPAC, respectively. It is concluded that IL-1ß affects the metabolism of catecholamines (and probably other neurotransmitters) in the brain, which, in turn, mediate its central and neuroendocrine actions.
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期刊: Peptides
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