拉巴胺的短期mTOR抑制可以改善老年男性的心脏和内皮功能:一项概念验证试点研究
Alexander J Moody1,2, Yubo Wu3, Terry Q Romo3
1Barshop Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
GeroScience
|September 19, 2025
概括
拉巴胺 (RAPA) 显示出对健康衰老的承诺,改善老年男性的心血管和内皮功能. 这项试点研究表明,RAPA在老年人群中可能有利于心脏健康和血管功能.
科学领域:
- 老年学和心血管医学.
背景情况:
- 拉巴胺素 (RAPA) 和mTOR抑制剂在动物模型中促进健康的衰老,并且在老年人中通常是安全的.
- 人类研究RAPA对年龄相关疾病的影响是有限的.
- 临床前研究表明RAPA可以改善心血管功能.
研究的目的:
- 评估RAPA对老年男性心血管和内皮功能的影响.
- 测试RAPA在男性中引起有益心血管效应的假设.
主要方法:
- 试点,开放标签研究涉及6名老年男性 (70-76岁) 没有已知的心脏病.
- 干预:每天1毫克RAPA,持续8周.
- 评估:心脏MRI (CMR) 用于心血管功能和激光多普勒流量计 (LDF) 用于内皮功能.
主要成果:
- 统计学上显著改善了传导血流,峰值流速和最大血加速.
- 在8周的治疗期内,内皮功能显著改善.
- 拉帕米辛在一般情况下是安全的和可以容忍的.
结论:
- 拉帕 (RAPA) 治疗在健康的老年男性中改善了心脏和内皮功能.
- 这些发现支持在更大的老年人队伍中进行进一步的安慰剂对照研究.
- 对于与年龄相关的透气和内皮功能下降的人来说,RAPA可能是有益的.
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