在远程缺血调节 (RIC) 后识别人类循环因子:对中风的潜在影响
Inês G Mollet1, Ricardo Viana-Soares2, Catarina Cardoso-Pires3
1UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade Nova de Lisboa, Caparica, Portugal; iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Caparica, Portugal.
远程缺血调节 (RIC) 激活了远处器官的保护反应. 这项研究发现一氧化碳和抗氧化剂标记的增加,表明RIC的抗炎作用,特别是在年轻人中.
科学领域:
- 生理学 生理学 生理学
- 生物化学 生物化学
- 蛋白质组学是指蛋白质组学.
背景情况:
- 远程缺血调节 (RIC) 显示出保护远处器官的前景,但人类潜在的生化通信机制尚不清楚.
- 识别RIC信号传输中的循环因素对于了解其治疗潜力至关重要.
研究的目的:
- 为了确定潜在的循环生化因素涉及到远程缺血条件 (RIC) 信号在健康人.
- 研究对RIC的生化和蛋白质反应及其功能影响.
主要方法:
- 试点研究涉及20名健康人体接受RIC.
- 在多个时间点收集血液 (RIC前,立即,4小时,RIC后22小时).
- 生物化学测定,血蛋白质组分析,以及在人体细胞培养物上的体外功能测试.
主要成果:
- RIC增加了碳氧血球蛋白 (表明一氧化碳的产生),谷,和cysteinylglycine水平,同时降低了谷的代谢.
- 蛋白质组分析确定了9种蛋白质,在RIC后循环水平发生变化,涉及炎症,血管生成和新陈代谢.
- 来自年轻患者的RIC调节血显示出对微质细胞的抗炎作用.
结论:
- 在健康人群中,RIC诱导抗炎和抗氧化反应,在年轻人群中具有显著的影响.
- 这项研究提供了初步证据,表明特定的信号因子调解RIC的器官间通信效应.
- 需要进一步的研究,以充分阐明RIC所涉及的生物化学途径.
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