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正常女性运动过程中β-内啡肽和甲硫氨酸脑啡肽的释放:对训练的反应。

Release of beta endorphin and met-enkephalin during exercise in normal women: response to training.

作者信息

Howlett T A, Tomlin S, Ngahfoong L, Rees L H, Bullen B A, Skrinar G S, McArthur J W

出版信息

Br Med J (Clin Res Ed). 1984 Jun 30;288(6435):1950-2. doi: 10.1136/bmj.288.6435.1950.

Abstract

Plasma beta endorphin and met-enkephalin concentrations were measured in response to treadmill exercises in 15 normal women before, during, and after an intensive programme of exercise training. Significant release of beta endorphin occurred in all three test runs, and the pattern and amount of release were not altered by training. Before training dramatic release of met-enkephalin was observed in seven subjects and smaller rises observed in a further four, and this response was almost abolished by training. This represents the first observed "physiological" stimulus to met-enkephalin release. Endogenous opioid peptides play a part in adaptive changes to exercise training and probably contribute to the menstrual disturbances of women athletes.

摘要

在15名正常女性进行强化运动训练计划之前、期间和之后,测量了她们在跑步机运动时血浆β-内啡肽和甲硫氨酸脑啡肽的浓度。在所有三次测试中均出现了β-内啡肽的显著释放,且释放模式和释放量并未因训练而改变。训练前,7名受试者观察到甲硫氨酸脑啡肽的急剧释放,另外4名受试者观察到较小幅度的升高,而这种反应在训练后几乎消失。这是首次观察到的对甲硫氨酸脑啡肽释放的“生理”刺激。内源性阿片肽在运动训练的适应性变化中起作用,并且可能导致女运动员的月经紊乱。

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