对水友性代谢物的LC/MS方法的评估,以使人类血液代谢数据的整合成为可能
Yuri Imado1, Masatomo Takahashi1,2, Yuki Soma2,3,4
1Department of Systems Life Sciences, Graduate School of Systems Life Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
Mass spectrometry (Tokyo, Japan)
|February 12, 2026
概括
这项研究比较了四种液态染色学-质谱学 (LC/MS) 方法来分析人体血中的水友性代谢物. 结果表明,使用稳定同位素标记的内部标准 (SILIS) 进行绝对量化,有效地整合了精密医学中的水友性代谢物数据.
科学领域:
- 代谢学 代谢学 代谢学
- 分析化学 分析化学
- 生物标志物发现发现
背景情况:
- 候选生物标记物代谢物对个性化和精确医学至关重要.
- 液体染色学-质谱学 (LC/MS) 是一种关键的代谢分析技术.
- 液友代谢物的LC/MS的适用性需要进一步评估.
研究的目的:
- 评估和比较四种LC/MS方法对水友性代谢物的定性和定量性能.
- 评估整合人体血代谢组数据的方法.
- 在NIST SRM 1950中估计代谢物的新度值.
主要方法:
- 使用代谢物标准和NIST SRM 1950的四种LC/MS方法 (HILIC/MS,AEX-IC/MS,PFPP-RPLC/MS,统一的-HILIC/AEX/MS) 的定性评估.
- 使用稳定同位素标记内部标准 (SILIS) 对63种水友性代谢物的定量评估.
- 用Orbitrap质谱仪进行的分析.
主要成果:
- 对代谢组覆盖面,峰值宽度,灵敏度和异构体分离的全面定性评估.
- 使用SILIS有效量化评估水友性代谢物的性能.
- 在SRM 1950中成功估计了29种代谢物的新度值.
结论:
- 使用SILIS的绝对量化对于将水友性代谢物数据整合到代谢学中是有效的.
- 不同LC/MS方法的客观性能评估为未来的人类血代谢组研究提供了洞察力.
- 这项研究通过强大的代谢分析来支持精准医学的进步.
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