摘要
结核病(TB)是单一感染因子结核分枝杆菌(MTB)死亡的首要原因。目前的治疗方案存在几个问题,包括副作用、费用和出现多药耐药(MDR)。此外,传统的诊断方法要么太慢,要么缺乏准确和强大的生物标志物。在这种情况下,以快速代谢物为基础的生物标志物作为新的药物靶点可能是规避MDR的一种潜在方法。在“组学”科学时代,脂质组学因揭示富含脂质的分枝杆菌物种的复杂性而备受关注。脂质组学是代谢组学的一个分支,代谢产物之间的原子结构具有极大的多样性。不同于其他生物分子,如核酸、蛋白质或碳水化合物,代谢物的多样性并没有单一的定义原则。MTB编码10%的基因组进行脂质代谢,脂质占其干重的60%。分枝杆菌拥有广泛的脂质储备光谱,从高度非极性脂质到高度极性脂质,增加了鉴定和分析的复杂性。与靶向方法相比,MTB的非靶向或全局脂质组学仍然更具挑战性。本文综述了脂质组学技术在色谱、检测方法和评价现有基于质谱的脂质组学工具方面的最新进展,以研究非靶向或全局MTB脂质组学。它还确定了现有技术的局限性,并探索了建立MTB脂质体同时面临的实际挑战的解决方案。我们一致认为,新兴的脂质组学工具为理解脂质分子在MTB发病机制中的作用以及进一步改进的必要性提供了更广阔的视野。
关键词: 结核病,脂质,LCMS,薄层色谱,脂质数据库,脂质组学。
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