基于网络药理学的谷氨酸诱导的视网膜激发毒性模型上的epalrestat的保护机制
Jiping Huang1, Shaomei Zhao2, Jining Huang3
1Jinan University, Guangzhou, Guangdong Province, 510632, China.
Biochemical and biophysical research communications
|March 3, 2026
概括
通过Nrf2/HO-1通路减少氧化应激和炎症,Epalrestat (EPS) 保护视网膜刺激毒性. 这表明,对于相关的视网膜病变有潜在的临床益处.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 眼科医生 眼科 眼科
背景情况:
- 视网膜刺激毒性是各种视力损害条件的重要因素.
- 了解神经保护的分子机制对于开发有效的治疗方法至关重要.
研究的目的:
- 研究Epalrestat (EPS) 对视网膜刺激毒性的保护作用.
- 阐明潜在的分子机制,重点关注Nrf2/HO-1信号通路.
主要方法:
- 网络药理学被用来识别药物和疾病点,并分析相关途径.
- 分子对接验证了epalrestat与Nrf2和HO-1等关键标之间的结合亲和力.
- 建立了R28细胞中谷氨酸诱导激发毒性的体外模型,以评估细胞活力,氧化应激和炎症标志物.
主要成果:
- 网络分析显示,epalrestat和视网膜刺激毒性之间有138个重叠的目标,突出了Nrf2和HO-1.
- 分子对接证实了epalrestat与Nrf2和HO-1的相互作用.
- 实验室研究表明,通过激活Nrf2/HO-1通路,epalrestat可以逆转谷氨酸诱导的亡,减少氧化应激 (降低SOD,增加ROS,MDA),并抑制炎症 (降低TNF-α,IL-1β,IL-6).
结论:
- 埃帕雷斯塔特具有抗氧化和抗炎作用,通过Nrf2/HO-1信号通路抑制视网膜刺激毒性.
- 这些发现表明,epalrestat在管理与刺激毒性相关的视网膜病变方面具有临床应用的潜力.
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