在高血性败血症患者中,循环ACE2和DPP3较高,但降低了ACE和血管新生素
Mark C Chappell1, Christopher L Schaich1, Laurence W Busse2
1Hypertension Center, Wake Forest University School of Medicine, Winston-Salem, NC.
Clinical science (London, England : 1979)
|December 19, 2024
概括
在败血症患者中,高宁水平与死亡率相关. 该研究发现,改变RAAS成分可能会阻止预期的 ангиотензинII增加,特别是在高素败血症病例中.
科学领域:
- 生物化学 生物化学
- 关键护理医学 关键护理医学
- 内分泌学 在内分泌学.
背景情况:
- 败血症和败血性休克是全球死亡的主要原因.
- 氨酸- ангиотензин- алдостерон系统 (RAAS) 的激活发生在败血症的早期.
- 败血症中的蛋白水平升高与患者的治疗结果较差有关.
研究的目的:
- 为了研究RAAS成分影响血症中的 ангиотензинII反应.
- 为了比较健康对照组,正常素败血症 (NRS) 和高素败血症 (HRS) 患者的RAAS概况.
主要方法:
- 分析RAAS组件,包括ACE,ACE2,DPP3和血管新生素.
- 对照组,NRS组和HRS组之间的这些组件的比较.
- 评估ACE与DPP3以及血管新生素与雷宁的比率.
主要成果:
- 与对照组相比,NRS和HRS患者的ACE降低,但ACE2和DPP3水平增加.
- 在败血症患者 (NRS和HRS) 和对照患者中,ACE与DPP3的比率是逆转的.
- 完整的血管新生素在HRS中较低,在NRS和HRS组中血管新生素与雷宁的比率显著降低.
结论:
- 改变ACE,ACE2,DPP3和血管增生素的表达可能会在败血症期间削弱血管增生素II的预期上升.
- 这种对 ангиотензин II 的减弱在患有高宁度的败血症患者中尤为明显.
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