在不同采集血液方法中,对全血,血和血清代谢物的定量比较
Ashley Zubkowski1, Yamilé López-Hernández1, Dorsa Yahya Rayat1
1Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada.
Metabolomics : Official journal of the Metabolomic Society
|October 5, 2025
概括
毛细血管采血方法,如指针和微刀,产生与传统静脉抽血可比的代谢物概况. 这表明微采样系统为WB,血和血清中的大多数代谢物提供可靠的数据.
科学领域:
- 代谢学 代谢学 代谢学
- 分析化学 分析化学
- 生物技术是生物技术.
背景情况:
- 血液采集方法 (静脉,指针,微刀) 和样品类型 (全血,血,血清) 可以影响代谢物概况.
- 之前的研究缺乏对收集方法对代谢组的影响的系统评估.
- 了解这些差异对于准确的代谢物分析和生物标志物发现至关重要.
研究的目的:
- 量化比较不同血液采集方法 (毛细血管与静脉) 的代谢物概况.
- 根据采集技术,评估全血,血和血清代谢物组成的变化.
- 为了确定微采样器件的可靠性,用于代谢学研究.
主要方法:
- 采集了五名健康志愿者的血液,使用指针,微刀 (Tasso+设备) 和皮下针方法.
- 在采集后立即将样品加工成全血,血和血清.
- 使用定量液体染色学质谱法 (LC-MS) 分析了142种代谢物.
主要成果:
- 无论采集方法如何,与血和血清相比,全血表现出不同的代谢物概况.
- 血和血清显示出极小的差异,在采集方法之间,只有氨酸和酸有所不同.
- 同样的生物流体类型在采集方法,身体部位和血液来源之间显示了微不足道的代谢差异.
结论:
- 静脉,微刀和指针采集方法为相同的生物流体类型产生可比的代谢物数据.
- 微采样系统 (指针,微刀) 提供可靠的代谢物数据,类似于静脉采集.
- 这些发现支持在代谢学研究中使用具有成本效益的微量采样设备.
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