基于血蛋白质组学的结核病诊断和预后生物标志物的鉴定
Yan Hu1, Chao Quan1, Yuanyuan Zhou2
1Central Laboratory, Wuhan Pulmonary Hospital, Wuhan Institute for Tuberculosis Control, The Hubei Branch of the National Clinical Research Center for Infectious Disease, Wuhan, Hubei, China.
PloS one
|December 22, 2025
概括
这项研究开发了一种血蛋白学系统,以区分活跃结核病 (ATB),潜伏结核病感染 (LTBI) 和非结核菌 (NTM). 这些发现为准确诊断和个性化治疗菌根菌感染提供了分子基础.
科学领域:
- 蛋白质组学是指蛋白质组学.
- 传染性疾病 传染性疾病
- 分子诊断学 分子诊断
背景情况:
- 将结核病 (TB) 与非结核菌 (NTM) 区分开来,将活动性结核病 (ATB) 与潜伏性结核病感染 (LTBI) 区分开来,是诊断方面的挑战.
- 目前的诊断方法缺乏足够的灵敏度和特异性来准确区分.
研究的目的:
- 使用等离子体蛋白质组学开发ATB,LTBI和NTM的分子分化系统.
- 为了确定疾病进展和治疗反应的关键生物标志物在真菌细菌感染.
主要方法:
- 使用无标签的定量技术进行血蛋白质组学分析,涉及五个组:ATB,LTBI,NTM,治愈患者 (CP) 和健康捐赠者 (HD).
- 差异表达蛋白 (DEP) 的识别,其次是路径丰富,相互作用网络和动态聚类分析.
- 使用多维质量控制系统和酶相关免疫吸收试验 (ELISA) 验证实验数据.
主要成果:
- 确定了1338种非冗余蛋白质,在ATB,LTBI和NTM群体中发现了142种DEP.
- 针对ATB与LTBI (炎症反应,上皮屏障),ATB与NTM (免疫球蛋白轻链,先天免疫分子) 以及NTM与LTBI (脂质代谢,细胞外矩阵重塑) 确定了特定的蛋白质特征.
- 十种差异性蛋白质,包括S100A8,LTA4H和DEFA1B,已被证实是ATB的分子指纹;ELISA验证了ATB的S100A8和GPX3升高,NTM的FGB更高.
结论:
- 为了区分ATB,LTBI和NTM,建立了血蛋白质组框架,克服了传统诊断的局限性.
- 六个时间治疗模块阐明了结核病治疗期间宿主蛋白质网络的重编程.
- 该研究为精确的类型,个性化治疗和真菌菌菌感染的预后评估提供了多维分子基础.
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