These findings suggested that taurine could prot ect the damage of myocardium from change of second messenger and Ca2+ ov erload after exhaustive exercise.

• 结果提示：牛磺酸可显著抑制力竭运动后大鼠心肌第二信使水平的升高及心肌线粒体中钙超载现象，说明牛磺酸有减轻和防止力竭运动后心肌损伤的作用。