三胺诱导的急性肝损伤及其与雌醇在调节巨细胞介导炎症和肝细胞功能的机制
Xiaomeng Zhang1, Zhiwen Cao1, Li Li2
1Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
|September 24, 2024
概括
在雌性小鼠中,托化物会导致更多的肝损伤. 雌激醇通过减少炎症和识别NR1I2作为药物诱导的肝损伤的关键标来防止这种损伤.
科学领域:
- 药理学 药理学是指药理学的学科.
- 毒理学 毒理学 毒理学
- 免疫学 免疫学 免疫学
背景情况:
- ptolide (TP) 具有强大的治疗特性,但会导致严重的肝损伤.
- 肝毒性限制了Triptolide的临床使用.
- 药物诱导性肝损伤 (DILI) 的性别差异尚未完全理解.
研究的目的:
- 调查三胺诱导的肝损伤的性别差异.
- 确定雌激醇 (E2) 对三类肝毒性的保护作用.
- 阐明E2的保护作用背后的分子机制.
主要方法:
- 在雄性和雌性小鼠中建立了急性肝损伤模型.
- 进行肝功能测试,组织学分析和免疫组织化学.
- 使用了体外细胞模型,虚拟查,分子对接,光酶试验和qPCR.
主要成果:
- 雌性小鼠表现出比雄性更严重的三胺诱导的肝损伤.
- 特里普托利德促进了M1巨细胞的两极分化和炎症,特别是在女性身上.
- 雌激醇通过降低促炎细胞因子的调节来减轻炎症,并将NR1I2确定为关键标.
结论:
- 在Triptolide肝毒性方面存在显著的性别差异,女性更容易受到影响.
- 雌激醇通过调节免疫反应来保护免受三胺诱导的肝损伤.
- 准NR1I2可能是缓解DILI的治疗策略.
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