肌FGF-21以时间依赖的方式对三种不同类型的急性运动做出反应
Mikal Thrones1, Thomas Rawliuk2, Dean M Cordingley1,3,4
1Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
这项试点研究发现,对中等强度心血管运动,高强度间歇运动或阻力运动的肌肉激素反应没有显著差异. 纤维细胞生长因子-21 (FGF-21) 在运动后3小时下降,这表明系统性去除.
科学领域:
- 运动生理学 运动生理学
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 肌基因,肌肉释放的信号分子,在运动诱导的适应中发挥作用.
- 不同的炼方式可能会引起不同的肌肉激素反应,影响生理适应.
- 了解这些反应对于优化培训策略至关重要.
研究的目的:
- 为了比较全身肌基因反应 (阿佩林,IL-6,IL-15,FGF-21,虹膜素) 与急性中等强度心血管运动 (MICE),高强度间歇运动 (HIIE) 和阻力运动 (RE).
- 在健康成年人中,调查各种运动类型中肌蛋白样本的潜在差异.
主要方法:
- 一个交叉试点研究涉及六名健康成年人.
- 参与者以随机顺序完成了MICE,HIIE和RE会议,间隔一周.
- 血液样本在休息时被采集,运动后立即,以及运动后1和3小时进行肌肉蛋白分析.
主要成果:
- 对于任何研究的肌动因,没有观察到时间和运动类型之间的显著相互作用.
- 对纤维细胞生长因子-21 (FGF-21) 发现了时间的显著主要影响,在基线和运动后立即比运动后3小时的度更高.
- 对于其他myokines,没有发现时间或运动类型的其他重大主要影响.
结论:
- 在集体分析时,急性MICE,HIIE和RE显示体内FGF-21水平在运动后3小时降低.
- 该研究的负面发现受到低统计能力的限制,这表明结果不确.
- 需要进行更大规模的试验,以最终评估运动特异性肌动因反应及其长期训练影响.
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