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在人类和老鼠模型中,皮质激素释放激素水平和高海拔低氧之间存在一种新的关系
Fan Ping Kong1, Gang Xu2,3,4, Ping Ping Wang1
1Division of Neurobiology and Physiology, Department of Basic Medical Sciences, School of Medicine, Zhejiang University, Hangzhou, China.
Neuroendocrinology
|October 31, 2025
概括
在血或唾液中测量的高皮质otropin释放激素 (CRH) 水平与急性山病 (AMS) 有关. 这些发现表明,CRH可以预测个体对高度疾病的易感性.
科学领域:
- 神经内分泌学神经内分泌学
- 高度生理学 高度生理学
背景情况:
- 急性山病 (AMS) 影响到快速上升到高海拔地区的人.
- 对AMS的敏感性是不可预测的,需要对潜在机制进行研究.
- 这项研究调查了与AMS有关的皮质激素释放激素 (CRH) 的神经内分泌调节.
研究的目的:
- 探索与AMS相关的神经内分泌机制,特别是CRH调节.
- 为了确定CRH水平是否可以预测人类的AMS发展.
- 在动物模型中检查缺氧对CRH和相关途径的影响.
主要方法:
- 人类志愿者接受了运动和模拟或实际的海拔升,并测量了CRH和皮质醇水平.
- 使用问卷来评估AMS的严重程度.
- 动物被暴露于低性缺氧,测量CRH,皮质和相关基因表达.
主要成果:
- 低压性缺氧在老鼠中增加了CRH释放和基因表达,同时增加了神经元亡.
- 在人类中,运动提高了CRH和皮质醇水平.
- 在低海拔地区血CRH升高预测AMS发展,而高CRH水平与高海拔地区AMS严重程度相关.
结论:
- 低血压缺氧与大鼠血CRH升高有关.
- 人类研究表明,CRH/CRHR1激活和AMS之间存在积极的关联.
- 唾液和血CRH水平可以作为个体低氧反应和AMS易感性的预测指标.
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