被动运动是HRT的有效替代品,用于恢复骨肌肉中的OVX诱导的线粒体功能障碍
Yi Hu1, Biqing Fang1, Xu Tian1
1School of Exercise and Health, Shanghai University of Sport, Shanghai, China.
Frontiers in endocrinology
|February 15, 2024
概括
全身振动训练 (WBVT) 通过改善线粒体功能来对抗卵巢切除小鼠的肌肉虚弱. 这种被动炼是为更年期肌肉健康而替代雌激素的潜在替代品.
科学领域:
- 运动生理学 运动生理学
- 线粒体生物学 线粒体生物学
- 内分泌学 在内分泌学.
背景情况:
- 绝经后的女性经历肌肉衰弱与骨肌肉线粒体功能受损有关.
- 小鼠的卵巢切除 (OVX) 模仿了绝经后的变化,导致肌肉缺陷.
- 全身振动训练 (WBVT) 被探索为一种被动运动干预措施.
研究的目的:
- 为了研究WBVT对OVX小鼠肌肉线粒体功能的影响.
- 将WBVT与17β-雌激醇 (E2) 替代剂进行比较,以减轻OVX诱导的肌肉损伤.
主要方法:
- 小鼠接受了假手术,OVX,OVX与E2,或OVX与WBVT.
- 评估了肌肉力量,身体组成和血清E2水平.
- 线粒体功能通过ATP水平,线粒体呼吸和关键蛋白质 (OXPHOS,PGC-1α,TFAM) 的表达来评估.
主要成果:
- OVX小鼠显示肌肉强度降低和线粒体功能障碍.
- WBVT和E2治疗改善了这些参数,WBVT对PGC-1α和TFAM表达有更好的影响.
- WBVT有效地抵消了OVX诱导的肌肉强度和线粒体功能下降.
结论:
- 在OVX小鼠中,WBVT增强了骨肌肉强度和线粒体功能.
- 这种被动运动模式为预防更年期肌肉衰弱提供了E2治疗的潜在替代方案.
- 需要进一步的研究来探索WBVT更广泛的生理影响和临床应用.
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