伊索林科菲林通过激活Nrf2来保护糖尿病病中的铁
Ting Yu1, Fengling Chen1, Bing You1
1Department of Hemodialysis Center, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
Nefrologia
|February 7, 2026
概括
伊索林科菲林 (IRN) 通过抑制亡,这是病中关键细胞死亡途径,从而防止糖尿病病 (DN). 这种脏保护作用与Nrf2/HO-1信号通路的激活有关.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 细胞生物学 细胞生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 糖尿病病 (DN) 是糖尿病 (DM) 的主要并发症,导致末期病.
- 铁,一种依赖于铁的细胞死亡,在DN病变发生中起着重要作用.
- 来自Uncaria rhynchophylla的isorhynchophylline (IRN) 在其他脏和大脑损伤中表现出保护作用.
研究的目的:
- 研究IRN在改善DN的治疗潜力.
- 确定IRN是否通过抑制DN中的铁化来发挥其保护作用.
主要方法:
- 使用db/db糖尿病小鼠和高葡萄糖 (HG) 刺激的HK-2细胞进行体内和体外研究.
- 通过生物化学标志物和组织病理学评估功能和糖尿病症状.
- 量化铁,氧化应激标志物 (MDA,GSH) 和ferroptosis/Nrf2/HO-1通路蛋白质,使用生物化学测试,西部涂抹和免疫光.
主要成果:
- 在糖尿病小鼠中,IRN治疗改善了功能,并减轻了组织学损伤.
- 通过调节铁水平,氧化应激和关键的铁相关蛋白质 (FTH-1,GPX4,SLC7A11,TFR-1,NCOA4) 的作用,IRN显著抑制了铁.
- IRN增强了Nrf2和HO-1蛋白表达,并促进了Nrf2的核转位,表明Nrf2/HO-1通路的激活.
结论:
- 在糖尿病病中,IRN显示出显著的保护作用.
- 该机制涉及抑制铁亡,可能通过激活Nrf2/HO-1通路.
- 作为治疗糖尿病病的治疗剂,IRN具有前途.
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