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运动中糖的分解代谢 被引量:2

Saccharide catabolism during exercise
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摘要 运动与血糖之间的关系,运动中血糖浓度保持相对恒定,随着运动强度的增加,血糖产生与血糖的利用呈平行性变化。运动中肌糖原的分解调节,主要是肌肉收缩,肌细胞内Ca2+浓度增加,Ca2+可以激活磷酸化酶b激酶而提高糖原磷酸化酶的活性,其次是激素尤其是肾上腺素,通过与肌细胞膜的a受体结合,使细胞内的环磷酸腺苷增加,经过一系列的化学变化,导致糖原磷酸化酶的活性升高,促进糖原的分解。近年来的研究更强调无机磷在糖原分解调节中的地位。肝糖原的分解的调节主要是肾上腺素、胰高血糖素和胰岛素激素的调节,交感-肾上腺素系统在肝糖原的分解调节中也有作用。
出处 《中国临床康复》 CSCD 2004年第33期7519-7521,共3页 Chinese Journal of Clinical Rehabilitation
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