氧醇在真菌角膜炎期间通过Nrf2/HO-1轴降低炎症反应,并具有抗真菌作用
Lingwen Gu1, Menghui Chi1, Ziyi Wang1
1Department of Ophthalmology, The Affiliated Hospital of Qingdao University Qingdao Shandong Province China.
International immunopharmacology
|February 7, 2025
概括
氧醇 (HT) 通过抑制真菌生长和减少炎症,有效地对抗阿斯伯吉路斯烟虫的角质炎. 它通过激活Nrf2/HO-1通路来保护角膜,为真菌眼部感染提供治疗潜力.
科学领域:
- 眼科医生 眼科 眼科
- 菌类学 菌类学是指菌类学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 性角膜炎是一种严重的眼部感染.
- Aspergillus fumigatus是真菌角膜炎的常见原因之一.
- 氧醇 (HT) 是一种具有潜在治疗功能的天然化合物.
研究的目的:
- 为了研究氧醇 (HT) 对阿斯伯吉路斯烟虫角质炎的保护作用.
- 阐明HT在真菌角膜炎中作用的潜在机制.
主要方法:
- 使用MIC测定,生物膜测试和粘附测试来评估HT的抗真菌活性.
- 在小鼠模型中,通过裂纹灯检查和HE染色来评估状炎的严重程度.
- 在人类角膜上皮细胞和RAW 264.7细胞中研究了细胞效应,使用对细胞因子表达,ROS产生和线粒体膜潜力的测试,包括Nrf2/HO-1通路分析.
主要成果:
- HT抑制了A. fumigatus的生长,生物膜的形成和粘附,并降低了真菌基因表达的调节.
- 在体内,HT降低了角膜炎症,细胞因子水平和巨细胞积累.
- 在体外,HT减弱了A. fumigatus诱导的炎症和氧化应激,并通过Nrf2/HO-1通路激活调节了巨细胞极化.
结论:
- 氧醇显示出对A. fumigatus角膜炎的显著疗效.
- 通过激活Nrf2/HO-1信号通路,HT可以减轻炎症和氧化应激.
- 作为治疗真菌角膜炎的治疗剂,HT显示出前途.
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