通过整合性空间脂类组学框架解开罗利胺类化合物诱导的肝损伤
Yilin Chen1, Jie Xu1,2, Thomas Ka-Yam Lam3
1State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, The MOE Key Laboratory of Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
Journal of pharmaceutical analysis
|February 2, 2026
概括
皮罗利兹类类化合物 (PAs) 通过改变脂质代谢而导致肝损伤. 这项研究使用先进的成像和质谱来绘制小鼠中的这些变化,帮助早期的毒性诊断.
科学领域:
- 生物化学 生物化学
- 毒理学 毒理学 毒理学
- 代谢学 代谢学 代谢学
背景情况:
- 罗素类化合物 (PAs) 是已知会导致严重,不可逆转的肝损伤的植物代谢物.
- 了解PA肝毒性背后的代谢机制对于诊断和治疗至关重要.
研究的目的:
- 为了研究PA诱导的肝毒性期间脂质代谢变化的空间和时间动态.
- 整合脂组学和转录学,以全面了解PA毒性途径.
主要方法:
- 结合质谱成像 (MSI) 与液体染色学-质谱 (LC-MS) 进行空间和时间脂质分析.
- 利用RNA测序来识别涉及改变脂质代谢途径的关键基因.
- 在小鼠模型中分析了脂类子类 (脂肪酸,甘油脂,甘油脂,脂) 的时间依赖性变化.
主要成果:
- 在24小时内鉴定出酸丁胆 (PC),酸丁乙醇胺 (PE),酸丁氨基醇 (PI) 和甲 (SM) 的显著下调.
- 观察到脂糖醇 (PG),胺 (Cer),二甲酸糖醇 (DG) 和三甲酸糖醇 (TG) 的上调.
- 在肝门静脉附近检测到高水平三糖醇 (TG) 的明显空间局部;脂质概况在24-48小时内开始恢复.
结论:
- 该研究通过脂质新陈代谢的镜头对PA诱导的肝毒性提供了新的见解.
- 综合MSI和LC-MS揭示了重要的空间和时间脂质变化.
- 这些发现支持加强对急性PA毒性的评估和早期诊断.
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