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大鼠纹状体中含多巴胺终末释放新合成的多巴胺。

Release of newly synthesized dopamine from dopamine-containing terminals in the striatum of the rat.

作者信息

Besson M J, Cheramy A, Feltz P, Glowinski J

出版信息

Proc Natl Acad Sci U S A. 1969 Mar;62(3):741-8. doi: 10.1073/pnas.62.3.741.

Abstract

The extraneuronal spontaneous efflux of (3)H-dopamine synthesized endogenously in dopamine terminals has been demonstrated in vitro, by collecting the (3)H amine in superfusates of isolated striatum of the rat previously incubated with (3)H-tyrosine. The (3)H-dopamine newly synthesized appears to be preferentially released. Furthermore, amphetamine and a monoamine oxidase inhibitor (Carton) markedly increased the release of (3)H-dopamine. This effect was also observed with substances normally contained in some striatal neurons: acetylcholine and 5-hydroxytryptamine.

摘要

通过收集预先用³H - 酪氨酸孵育的大鼠离体纹状体灌流液中的³H胺,已在体外证明了多巴胺终末内源性合成的³H - 多巴胺的非神经元自发外流。新合成的³H - 多巴胺似乎优先被释放。此外,苯丙胺和一种单胺氧化酶抑制剂(卡托)显著增加了³H - 多巴胺的释放。在一些纹状体神经元中正常含有的物质(乙酰胆碱和5 - 羟色胺)也观察到了这种效应。

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本文引用的文献

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THE ESTIMATION OF SMALL QUANTITIES OF 3,4-DIHYDROXYPHENYLETHYLAMINE IN TISSUES.组织中少量3,4-二羟基苯乙胺的测定
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METABOLISM OF (H3)NOREPINEPHRINE IN THE RAT BRAIN.大鼠脑中(H3)去甲肾上腺素的代谢
J Neurochem. 1965 Jan;12:25-30. doi: 10.1111/j.1471-4159.1965.tb10247.x.
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Oxotremorine and central monoamine neurons.氧化震颤素与中枢单胺能神经元。
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