随着时间的推移,练习的有氧运动可以减轻衰老有害影响对血管系统造成的结构影响
Rafael Antunes Nicoletti1,2, Thiago Pereira de Souza1,2, Danyelle S Miotto3
1Department of Physical Education, School of Sciences, Sao Paulo State University (UNESP), Bauru, Brazil.
Vascular health and risk management
|March 24, 2025
概括
长期的有氧运动通过减少动脉硬性和原蛋白,显著改善了老老鼠的心血管健康. 短期训练也提供了好处,包括减少氧化应激和原蛋白.
科学领域:
- 心血管生理学心血管生理学
- 运动科学 运动科学
- 衰老研究研究 衰老研究
背景情况:
- 衰老会对血管结构和功能产生不利影响.
- 有氧训练是一种潜在的干预措施,以减轻与年龄相关的血管变化.
研究的目的:
- 评估长期和短期有氧运动对老年Wistar大鼠心血管健康的预防作用.
- 为了确定运动持续时间和血管参数的改善之间的关系.
主要方法:
- 年龄较大的Wistar大鼠被分为久坐 (AGED),长期训练 (LTT,61周) 和短期训练 (STT,8周) 组.
- 测量包括体重,体力,缩血压,脉冲波速率 (PWV),氧化应激 (TBARS) 和大动脉/动脉原蛋白,壁厚度和壁与光线比率.
主要成果:
- 与AGED大鼠相比,LTT和STT组的身体能力都增加了;LTT大鼠的身体能力高于STT大鼠.
- 与AGED大鼠相比,LTT显著降低了PWV,大动脉/状腺壁厚度,以及壁与光线的比率.
- 无论是LTT和STT组都显示动脉原蛋白减少,而STT也减少了TBARS与老年老鼠相比.
结论:
- 长期的有氧训练有效地减少了老老鼠的动脉硬,壁厚和原.
- 短期有氧训练在减少氧化应激和动脉原蛋白方面显示出好处.
- 运动持续时间对在衰老过程中观察到的心血管益处的程度起着作用.
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