血而不是血清避免了血小板对临床代谢学研究的严重混
Gerhard Hagn1,2, Samuel M Meier-Menches1,3, Günter Plessl-Walder3
1Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, 1090 Vienna, Austria.
Journal of proteome research
|March 23, 2024
概括
血在临床代谢学上优于血清. 血清分析因凝血期间的血小板激活而混,影响结果,而血准确地反映了体内代谢变化.
科学领域:
- 生物化学 生物化学
- 临床化学 临床化学
- 生物分析是一种生物分析.
背景情况:
- 代谢学是临床研究中的一个关键的生物分析技术.
- 血清和血是常见的样本,但它们对代谢学的适用性尚未明确.
- 血液凝固,特别是血清中的血小板代谢,可能会引入变异性.
研究的目的:
- 系统地比较血清和血适合临床代谢学.
- 为了研究血小板激活对血清代谢学的影响.
- 在药物干预研究中评估样本选择.
主要方法:
- 多种方法比较血清和血.
- 对代谢物,脂质介质和蛋白质的分析.
- 预期随机对照试验与乙盐酸的管理.
主要成果:
- 血清和血之间对代谢物 (R2=0.991) 的高相关性,但对脂质介质 (R2=0.906) 和蛋白质 (R2=0.860) 的实质性差异.
- 血小板释放物确定了在血清中丰富的生物分子.
- 乙盐酸的作用不同:血清显示了体外人工物 (TXB2,12-HETE),而血反映了体内变化 (血,脂质).
结论:
- 对于临床代谢学来说,血优先于血清.
- 血清代谢学可以被血小板衍生分子混,这些分子是在凝固过程中产生的.
- 血提供了更可靠的体内代谢过程和药物效应的反映.
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