人类骨肌肉的运动特异性适应:使肌肉适合和强壮的分子机制
Aaron C Q Thomas1, Connor A Stead2, Jatin G Burniston2
1Protein Metabolism Research Lab, Department of Kinesiology, McMaster University, Hamilton, ON, Canada; Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom.
Free radical biology & medicine
|August 15, 2024
概括
抵抗训练 (RT) 建立肌肉质量,而有氧训练 (AT) 提高耐力. 了解每种不同的分子信号通路对于优化炼适应和肌肉发育至关重要.
科学领域:
- 分子运动生理学分子运动生理学
- 骨肌肉的适应 骨肌肉的适应
- 细胞信号传输 细胞信号传输
背景情况:
- 骨肌肉表现出明显的过度缩 (抵抗训练 - RT) 和氧化 (有氧训练 - AT) 现型.
- 最初的运动反应是通用的,但通过持续的训练来改进,从而导致特定的适应.
- 目前的理解严重依赖于翻译后修改和蛋白质合成分析.
研究的目的:
- 审查区分骨肌肉适应有氧训练 (AT) 和抵抗训练 (RT) 的分子机制.
- 要突出不同的信号通路和蛋白质合成调节驱动AT ("适合") 和RT ("强大") 现象型.
- 识别知识差距,并倡导在运动生理学中进行奥米克学研究.
主要方法:
- 关于分子运动生理学的现有文献的综述.
- 针对性研究的分析,重点关注翻译后修饰,特别是酸化.
- 检查正规信号通路 (AT的AMPK,RT的mTOR) 和蛋白质合成.
主要成果:
- 像AMPK (AT) 和mTOR (RT) 这样的正规途径被广泛研究,但只能部分解释表型分歧.
- 虽然蛋白质合成和酸化提供了洞察力,但信号传递和调节的关键差异仍然没有表征.
- 目前的方法已经开始阐明差异,但不足以完全解释独特的AT和RT适应.
结论:
- 独特的分子机制是"适应" (AT) 和"强大" (RT) 肌肉表型的基础.
- 进一步的研究,特别是奥米克学研究,对于充分阐明不同的信号和监管途径至关重要.
- 更深入的理解将使针对特定生理结果的更有针对性的炼处方成为可能.
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