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线粒体细胞染色体c氧化酶组合和功能的氧化还原调节中的新兴机制

Suleva Povea-Cabello^1,2, Michele Brischigliaro^1,2, Erika Fernández-Vizarra^1,2

¹Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy.

Biochemical Society transactions

|March 25, 2024

概括

反应性氧物种 (ROS) 是线粒体中的关键信号分子,调节细胞呼吸和生物发生. 本综述强调了ROS,特别是通过COA8等氨酸丰富的组合因子,如何影响细胞染色体c氧化酶功能和细胞氧化还原平衡.

科学领域:

线粒体生物学线粒体生物学
细胞呼吸细胞呼吸
氧化还原信号传递.

背景情况:

线粒体在细胞呼吸过程中通过电子运输系统 (ETS) 产生反应性氧物种 (ROS).
ROS在细胞生理学中起着至关重要的作用,作为调节线粒体生物发生和功能的信号分子.
膜间空间 (IMS) 容纳了参与ETS复合体组装的氧化还原感应蛋白,特别是细胞染色体c氧化酶 (COX).

研究的目的:

审查当前对ROS在调节线粒体活动和生物发生过程中的理解.
专注于ROS在COX酶的背景中的作用.
为了强调COX组装因子中氧化还原敏感的氨酸残留物的功能意义.

主要方法:

关于线粒体ROS生产和信号传递的研究的文献综述.
分析COX组合因子,包括COA8在氧化应激反应中的作用.
检查囊丰富的域在氧化还原感应和蛋白质功能的参与.

主要成果:

线粒体ROS是在ETS产生的,并影响IMS和矩阵.
ROS作为信号分子,影响线粒体生物发生和功能.
特定的COX组装因子,如COA8,由氧化应激上调,有助于COX组装和保护.

结论:

ROS是线粒体调节的组成部分,影响COX组合和细胞氧化还原恒温.
在组装因子中的氧化敏感的氨酸残留物是ROS依赖调节的关键调解者.
了解这些机制对于理解线粒体功能和功能障碍至关重要.

关键词:

复杂的IV复杂的IV复杂的线粒体功能障碍线粒体功能障碍有活性氧物种的反应性氧物种.氧化还原信号传递.呼吸系统链组件组件

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