短期运动和耐力训练对骨肌肉线粒体损伤的影响,由特定物质,大气相关的人造PM2.5引起
Wenduo Liu1, Zilin Wang1, Yu Gu1
1Department of Sports Science, College of Natural Science, Jeonbuk National University, Jeonju, Republic of Korea.
Frontiers in public health
|March 14, 2024
概括
耐力训练可以提高有氧健身,保护骨肌肉线粒体免受PM2.5暴露损伤. 仅仅短期的运动并不能预防PM2.5诱导的线粒体损伤.
科学领域:
- 运动生理学 运动生理学
- 环境健康 环境健康
- 线粒体生物学 线粒体生物学
背景情况:
- 颗粒物 (PM2.5) 暴露与氧化应激和细胞损伤有关.
- 骨肌肉的线粒体容易受到环境的侮辱.
- 众所周知,有氧运动可以改善线粒体功能和抗氧化能力.
研究的目的:
- 调查短期有氧运动是否可以减轻PM2.5暴露引起的骨肌肉线粒体损伤.
- 为了确定12周的耐力训练是否提高了有氧健身,并防止PM2.5诱导的线粒体损伤.
主要方法:
- 小鼠被分为久坐和耐力训练的两组.
- 这些组暴露于人造PM2.5和跑步机运行.
- 骨肌肉和血液样本进行了氧化应激,线粒体功能和损伤的分析.
主要成果:
- 耐力训练显著增加了耐力炼能力.
- 暴露于PM2.5导致线粒体损伤,特别是在进行短期运动的静止小鼠中.
- 与静止小鼠相比,暴露于PM2.5的耐力训练小鼠的线粒体损伤较小.
结论:
- 暴露于PM2.5可以诱导氧化应激和线粒体损伤,可能抵消炼的益处.
- 从耐力训练中预先存在的有氧健身提供了对PM2.5诱导的线粒体损伤的保护.
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