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脑中4-羟基-3-甲氧基苯乙二醇硫酸盐的荧光测定

Fluorometric estimation of 4-hydroxy-3-methoxyphenylethyleneglycol sulphate in brain.

作者信息

Meek J L, Neff N H

出版信息

Br J Pharmacol. 1972 Jul;45(3):435-41. doi: 10.1111/j.1476-5381.1972.tb08099.x.

Abstract
  1. A simple, sensitive, and selective method was developed for the fluorimetric estimation of 4-hydroxy-3-methoxyphenylethyleneglycol sulphate (MOPEG-SO(4)) in rat brain.2. MOPEG-SO(4) was isolated on a DEAE Sephadex column. Fluorescence was measured at 465 nm (excitation at 320 nm) after heating the column eluate with acid and reheating after adding ethylene diamine.3. The concentration in brain of MOPEG-SO(4) increased after blockade of its transport from brain by treatment with probenecid and decreased after inhibiting its synthesis by treatment with alpha-methyltyrosine or pargyline.4. Our studies suggest that measurement in changes in the rate of formation of MOPEG-SO(4) may be a useful index of noradrenaline turnover.
摘要
  1. 开发了一种简单、灵敏且具选择性的方法,用于荧光法测定大鼠脑中的4-羟基-3-甲氧基苯乙二醇硫酸盐(MOPEG-SO(4))。

  2. MOPEG-SO(4)在DEAE葡聚糖柱上进行分离。用酸加热柱洗脱液并在加入乙二胺后再次加热后,于465nm处(激发波长为320nm)测量荧光。

  3. 用丙磺舒处理阻断其从脑内的转运后,脑中MOPEG-SO(4)的浓度升高;用α-甲基酪氨酸或帕吉林处理抑制其合成后,浓度降低。

  4. 我们的研究表明,测定MOPEG-SO(4)生成速率的变化可能是去甲肾上腺素周转的一个有用指标。

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Glycol metabolites of noradrenaline in brain tissue.脑组织中去甲肾上腺素的糖代谢产物
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