Role of mitochondria in liver pathophysiology

Shunhei Yamashina, Nobuhiro Sato, Kazuyoshi Kon, Kenichi Ikejima, Sumio Watanabe
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引用次数: 6

Abstract

Mitochondria play a central role in cellular energy homeostasis, metabolism, and cell death. Mitochondria generate energy via the electron transport chain located in the inner membrane for the synthesis of ATP. In the mitochondrial respiratory pathway, leakage of electrons induces the production of reactive oxygen species involved in the cellular aging and DNA damage. It is suggested that liver carcinogenesis, chronic hepatitis C, alcoholic liver disease and non-alcoholic fatty liver disease are the result of reactive oxygen species production because of mitochondrial dysfunction. The advancement of therapeutic approaches to protect mitochondria heralds a new strategy to halt progressive liver diseases and carcinogenesis.

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线粒体在肝脏病理生理中的作用
线粒体在细胞能量稳态、代谢和细胞死亡中起核心作用。线粒体通过位于细胞膜内的电子传递链产生能量,用于ATP的合成。在线粒体呼吸途径中,电子泄漏诱导活性氧的产生,参与细胞老化和DNA损伤。提示肝癌、慢性丙型肝炎、酒精性肝病和非酒精性脂肪肝的发生都是线粒体功能障碍导致活性氧产生的结果。保护线粒体的治疗方法的进步预示着一种阻止进展性肝脏疾病和癌变的新策略。
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