铁金属有机框架衍生异构连接用于甲状腺上皮瘤的代谢诊断
Yongpeng Liang1, Haochen Han2, Yuewei Zhao2
1Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, Institute of Green Chemistry and Molecular Engineering, Sun Yat-Sen University, Guangzhou 510275, China.
概括
我们开发了一种先进的激光脱吸电离质谱 (LDI MS) 平台,使用新型纳米材料进行快速血清代谢指纹分析. 这项技术可以改善胸膜上皮瘤 (TETs) 的诊断和风险分层.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 生物医学工程 生物医学工程
背景情况:
- 胸膜上皮瘤 (TETs) 由于微妙的症状和缺乏非侵入性风险评估工具,因此存在诊断挑战.
- 目前对TET的诊断和风险分层方法不足,导致潜在的过度治疗和高风险患者的不良结果.
- 需要敏感和高效的工具来早期检测和准确地分阶段TETs.
研究的目的:
- 开发一种高灵敏度的纳米材料增强激光消耗电离质谱 (LDI MS) 平台,用于分析血清代谢指纹 (SMF).
- 建立一个临床可翻译的框架,用于快速,大规模的查和胸膜上皮瘤 (TETs) 的风险分层.
- 解决在TET管理中改善诊断和预后工具的未满足的临床需求.
主要方法:
- 通过梯度热解设计了一种Fe3O4@Fe金属-有机框架异质连接纳米材料,用于增强LDIMS.
- 利用纳米材料的协同紫外线吸收和光热转换,以改善电荷分离和灵敏度.
- 使用开发的LDI MS平台从最小血清样本 (1μL) 中分析了血清代谢指纹 (SMF).
- 应用机器学习算法用于获得的SMF的诊断和风险分层分析.
主要成果:
- 对LDIMS分析的灵敏度提高了1000倍.
- 能够从小血清量 (1μL) 中直接获取SMF.
- 证明了高诊断性能,曲线下的面积 (AUC) 为0.960,用于区分TET与良性对照.
- 展示了强大的层次风险分层能力,AUC为0.856.
- 在诊断准确性和分层化方面表现优于现有的临床工作流程.
结论:
- 用Fe3O4@Fe纳米材料增强的LDI MS平台为血清代谢指纹的分析灵敏度和效率提供了显著的进步.
- 这项技术为快速,大规模查和准确的胸膜上皮瘤 (TETs) 风险分层提供了临床可翻译的解决方案.
- 开发的框架解决了TET管理中的关键差距,允许代谢驱动的分层,可能改善患者的治疗结果.
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