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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
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慢性炼可以改善肝脏的乙卡尼丁处理.

Diego Hernández-Saavedra1,2, J Matthew Hinkley3, Lisa A Baer1,4

  • 1Dorothy M. Davis Heart and Lung Research Institute; Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, USA.

iScience
|February 16, 2024
PubMed
概括

运动训练可以降低循环中的中链甲酸 (AC),改善心肺呼吸能力并减少脂肪. 这种代谢转变增强了肝功能和线粒体呼吸,表明AC再分配是运动效益的关键.

关键词:
细胞生物学 细胞生物学卫生科学 卫生科学身体生理学 身体生理学

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科学领域:

  • 运动生理学 运动生理学
  • 代谢生物化学 代谢生物化学
  • 线粒体功能 线粒体功能

背景情况:

  • 运动通过甲 (AC) 途径影响组织代谢,但机制尚不清楚.
  • 循环中链AC (C12-C16) 水平与心肺健康和脂肪相关.

研究的目的:

  • 阐明在运动诱导的代谢适应中,乙卡尼丁再分配的作用.
  • 为了研究运动对肝脏AC新陈代谢和线粒体功能的影响.

主要方法:

  • 在训练有素的人与久坐的人体中循环AC水平的比较分析.
  • 评估肝脏AC变化和运动后基因表达的小鼠模型.
  • 主要肝细胞实验测量线粒体呼吸和脂质代谢.

主要成果:

  • 在小鼠中,运动训练降低了血清AC,增加了肝脏AC,与增强的肝脏基因表达相关,用于AC代谢和β-氧化.
  • 来自训练小鼠的肝细胞显示基底呼吸增加,与线粒体Ca2+循环和脂质吸收有关.
  • 补充中长链AC模仿运动诱导的线粒体呼吸增加了久坐性肝细胞.

结论:

  • 乙卡尼丁的再分配是改善肝功能和新陈代谢的关键运动诱导机制.
  • 运动通过调节AC水平来提高线粒体效率和脂质利用率.