用Graphdiyne辅助的LDI-MS用于结核查中的快速,非侵入性尿液代谢概况
Yile Yu1,2, Xiaoyan Zhong3, Xi Yu1,2
1Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China. hhliu@iccas.ac.cn.
The Analyst
|February 17, 2026
概括
这项研究引入了一种快速的,非侵入性的尿液测试,用于检测结核病 (TB). 带有机器学习的Graphdiyne辅助激光脱离离子化质谱 (GD辅助LDI-MS) 有效地识别了结核病患者,提供了一个有前途的新查策略.
科学领域:
- 代谢学 代谢学 代谢学
- 质谱测量质量谱测量
- 机器学习 机器学习
- 传染病诊断 传染病诊断 传染病诊断
背景情况:
- 结核病 (TB) 构成了重大的全球卫生挑战,需要改进诊断方法.
- 目前的结核病诊断可能是侵入性的,耗时的,或需要专门的基础设施.
- 非侵入性,快速查工具对于早期发现和有效管理结核病至关重要.
研究的目的:
- 开发和验证一种快速,非侵入性的以尿为基础的代谢学方法,用于检测活性结核病.
- 为了利用graphdiyne (GD) 辅助的激光消耗电离质谱学 (LDI-MS) 与机器学习相结合,用于结核病查.
- 确定与活跃结核病相关的关键代谢干扰.
主要方法:
- 从健康对照组 (HC) 和活跃结核病患者的尿液样本使用GD辅助的LDI-TOFMS进行了分析.
- 代谢物指纹被生成并接受监督机器学习分类.
- 识别和注释了歧视性代谢物和途径.
主要成果:
- 由GD协助的LDI-TOF MS平台与机器学习相结合,实现了结核病患者和健康对照之间的优秀歧视.
- 关键的分辨性尿路代谢物表明结核病患者的能量,核酸和氨基酸代谢发生变化.
- 这些代谢转变反映了细胞能量处理和免疫反应的变化.
结论:
- GD辅助的LDI-TOFMS提供了一种快速,高通量的代谢物分析方法.
- 开发的平台为早期结核病检测和监测提供了一个患者友好的,非侵入性的查策略.
- 这些发现突显了代谢学在理解结核病相关病理生理学方面的潜力.
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