通过调节代谢障碍和氧化应激,PPARα激活减轻了新巴瓦伊索弗拉诱导的肝毒性
Jingcheng Zhao1, Wen Wang2, Chenglong Sun3
1Innovative Institute of Tumor Immunity and Medicine (ITIM), Hefei, Anhui, China; Anhui province key laboratory of tumor immune microenvironment and immunotherapy, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China; Uygur Medical Hospital of Xinjiang Uygur Autonomous Region (The Second People's Hospital of Xinjiang Uygur Autonomous Region), Ürümqi, China; Xinjiang Key Laboratory of Evidence-Based and Translation, Hospital Preparation of Traditional Chinese Medicine, Ürümqi 830049, China; Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi 832002, China.
新巴瓦伊索弗拉 (Neo) 通过抑制PPARα,破坏脂质代谢并增加氧化应激会导致肝损伤. 激活PPARα可以防止Neo诱导的肝损伤,使这种化合物更安全地使用.
科学领域:
- 药理学 药理学是指药理学的学科.
- 肝病学 肝病学是一种肝病学.
- 分子生物学分子生物学
背景情况:
- 新巴瓦伊索弗拉 (Neo) 是Psoralea corylifolia L.的一种化合物,具有有益的活性,但具有肝毒性风险.
- 了解Neo的肝毒性对于其临床应用至关重要.
研究的目的:
- 为了研究Neo诱导的肝损伤的机制.
- 探索减轻尼奥肝毒性的策略.
主要方法:
- 使用斑马鱼,小鼠和人/小鼠肝细胞的多模型方法.
- 使用质谱成像 (MSI),脂管学,转录学,共免疫沉和晶体学研究新诱导的肝硬化.
主要成果:
- 尼奥在肝脏中积累,导致肝脏肥胖症和长链脂肪酸 (LCFA) 的沉积.
- 尼奥通过结合其连接体结合域来抑制PPARα,从而损害核转位,破坏脂肪酸代谢和氧化应激通路.
- 保护PPARα激活 (过度表达或 fenofibrate) 免受新诱导的肝损伤.
结论:
- 尼奥通过抑制PPARα,破坏脂质平衡,并引起氧化应激,从而诱导肝脏毒性.
- PPARα激活是缓解Neobavaisoflavone相关的肝毒性的一种有希望的策略.
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