克罗辛通过向Hpx/Nrf2/HO-1通路来改善与抑制剂相关的实验性免疫检查点心肌炎
Jing Yan1, Qingqing Cai1, Yu Li1
1Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16 Nanxiaojie, Dongzhimennei Ave, Beijing 100700, China.
International journal of molecular sciences
|January 28, 2026
概括
沙夫兰的克罗辛在治疗心肌炎方面表现有前途,心肌炎是癌症免疫疗法的罕见但严重的副作用. 这项研究表明,它们通过向关键的炎症和氧化应激通路来保护心脏的能力.
科学领域:
- 心脏病学 心脏病学
- 免疫学 免疫学 免疫学
- 药理学 药理学是指药理学的学科.
背景情况:
- 免疫检查点抑制剂 (ICI) 可以引起心肌炎,这是一种严重的不良事件,死亡率高.
- 克罗辛是从番石榴 (Crocus sativus L.) 衍生出来的,它具有多种有益的生物活性.
研究的目的:
- 为了研究crocins在缓解免疫检查点抑制剂相关心肌炎的治疗潜力.
- 阐明克罗辛的心脏保护作用背后的分子机制.
主要方法:
- 在裸体小鼠中使用皮下异种移植的人类肝癌模型来模拟ICI相关心肌炎.
- 评估了心脏功能,心肌损伤,自身免疫反应,氧化应激和炎症.
- 量化蛋白质组学和西方涂抹被用来识别分子标.
- 进行了分子对接,以预测结合相互作用.
主要成果:
- 克罗辛显著改善了心脏功能,减少了心肌损伤和自身免疫反应.
- 用crocins治疗抑制了受影响心脏中的氧化应激和炎症反应.
- 蛋白质组分析显示,克罗辛通过Hpx/Nrf2/HO-1通路起作用.
- 分子对接确定了特定的crocin-pathway相互作用 (crocin I-HO-1,crocin II-Hpx,crocin III-Nrf2).这些相互作用中,有两种不同类型的crocin.
结论:
- 克罗辛通过调节Hpx/Nrf2/HO-1通路,有效地改善了与ICI相关的实验性心肌炎.
- 这些发现支持crocins作为ICI诱导心肌炎的潜在治疗策略.
- 这项研究为克罗辛的更广泛的临床应用提供了基础.
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