The mitochondria presents several defense systems, of which the ubiquinone (Coenzyme Q10), which is one of the component线粒体具有几种防御系统，泛醌（辅酶Q10）是呼吸链的组成成分之一，在膜蛋白质上具有重要的抗氧化功能。
The Effects of Myocardial Mitochondrial DNA Damage on Myocardial Mitochondrial Respiratory Chain Enzyme Activities in Pa心力衰竭患者心肌线粒体脱氧核糖核酸损伤与衰竭心肌线粒体酶活性的关系