瘦素及其在体育锻炼和训练中的意义：简短综述。
Leptin, its implication in physical exercise and training: a short review.
机构信息
Laboratory of Cardio-Circulatory, Respiratory, Metabolic and Hormonal Adaptations to the Muscular Exercise, Faculty of Medicine Ibn El Jazzar , 4002 Sousse, Tunisia.
出版信息
J Sports Sci Med. 2006 Jun 1;5(2):172-81. eCollection 2006.
Leptin, a hormone synthesized by fat tissue had been noted to regulate energy balance and metabolism and thus to influence body weight. The influence of acute exercise and chronic exercise training on circulating leptin and its relationship with hormonal and metabolic changes that induce energy balance are presented. Research that has examined the influence of exercise under various experimental conditions on leptin and the conflicts in the literature are presented. It appears that a significant caloric perturbation (> 800 kcals) is necessary for acute exercise to result in a significant reduction in leptin. In contrast, exercise training can result in a leptin decline but typically this manifests a reduction in adipose tissue stores. In addition, future directions are presented. Key PointsPhysical exercise and training have both inhibitory and stimulatory effects on leptin.Exercise with energy expenditure higher than 800 kcal can decrease leptinemia.Acute training may cause a decline in circulating leptin levels.
瘦素是由脂肪组织合成的一种激素，它被认为可以调节能量平衡和新陈代谢，从而影响体重。本文介绍了急性运动和慢性运动训练对循环瘦素的影响，以及瘦素与诱导能量平衡的激素和代谢变化的关系。本文还介绍了在各种实验条件下，运动对瘦素的影响的研究，以及文献中的冲突。似乎需要明显的热量摄入波动（>800 千卡）才能使急性运动导致瘦素的显著减少。相比之下，运动训练可以导致瘦素下降，但通常表现为脂肪组织储存减少。此外，本文还提出了未来的研究方向。要点物理运动和训练对瘦素有抑制和刺激作用。能量消耗高于 800 千卡的运动可以降低瘦素血症。急性训练可能导致循环瘦素水平下降。
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