急性重阻力运动协议增加了细胞外热冲击蛋白,但没有改变相关的细胞因子
Jacob S Bowie1, Adam J Sterczala1, William J Kraemer1,2
1Department of Kinesiology, University of Connecticut, Storrs, Connecticut; and.
Journal of strength and conditioning research
|January 6, 2026
概括
急性重阻力运动协议显著增加了细胞外热冲击蛋白70 (eHSP70) 的水平. 这种反应在没有相关炎症性细胞因子的实质性变化的情况下发生,这表明一种独特的生理适应强度力量训练.
科学领域:
- 运动生理学 运动生理学
- 分子生物学分子生物学
- 免疫学 免疫学 免疫学
背景情况:
- 热冲击蛋白 (HSP) 对于细胞的保护和应激反应至关重要.
- 细胞外HSP70 (eHSP70) 与各种生理压力因素有关,包括有氧运动和暴露于热量.
- 对于eHSP70在响应急性重阻力运动方案 (AHREP) 的作用仍然不太了解.
研究的目的:
- 在艰苦的AHREP之后,研究eHSP70和相关细胞因子的变化.
- 将eHSP70对AHREP的反应与已知的对有氧运动和热应激反应进行比较.
- 分析eHSP70,白细胞计数和抵抗运动后的细胞因子概况之间的关系.
主要方法:
- 十名健康的,经过抵抗训练的男性接受了标准化的AHREP (6x10背).
- 血液样本是在运动前和运动后多个时间点收集的,最多在运动后72小时.
- 测量包括白细胞计数,各种细胞因子 (IL-1β,IL-6,IL-10,IL-12,TNF-α) 和eHSP70通过ELISA和流细胞计.
主要成果:
- eHSP70水平在AHREP后立即显著增加,并保持至少15分钟的升高水平.
- 运动后白细胞计数显示出显著的变化,与化学吸引剂细胞因子IL-8的水平增加一致.
- 在测量的促炎和抗炎细胞因子 (IL-1β,IL-6,IL-10,IL-12,TNF-α) 中没有发现显著变化.
结论:
- 一个有压力的AHREP可以激活细胞应激通路,包括eHSP70释放,类似于有氧运动和暴露于热量.
- 对AHREP的eHSP70反应似乎独立于研究的炎症细胞因子的显著急性变化.
- 抵抗训练方案可以诱导与通常在其他炼模式中看到的相重叠的生理应激反应.
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