超氧化物通过生物能和氧化应激调制来缓解HK-2细胞中安福特素B诱导的毒性
Ekramy M Elmorsy1, Huda A Al Doghaither2, Ayat B Al-Ghafari2,3
1Center for Health Research, Northern Border University, Arar, 73213, Saudi Arabia.
BMC pharmacology & toxicology
|August 13, 2025
概括
超氧化物 (HP) 通过改善线粒体功能和减少氧化应激来保护免受安福特素B (FZ) 诱导的损伤. 这种饮食中的黄胺显示出作为抗真菌性毒性防护剂的前景.
科学领域:
- 药理学 药理学是指药理学的学科.
- 毒理学 毒理学 毒理学
- 生物化学 生化学
背景情况:
- 氨乙 (FZ) 是一种关键的抗真菌药物,但其使用因剂量依赖性毒性而受到限制.
- 了解FZ诱导的损伤的分子机制对于开发保护策略至关重要.
- 饮食中的黄类化合物,如高酸盐 (HP),正在研究它们的治疗潜力.
研究的目的:
- 为了研究超氧化物 (HP) 对人类近接管状 (HK-2) 细胞中安福特素B (FZ) 诱导的毒性的保护作用.
- 阐明HP的保护作用背后的分子机制,重点关注线粒体功能和氧化应激通路.
主要方法:
- 分子对接被用来预测HP和FZ与关键调节蛋白的结合亲缘关系.
- 在体外测试 (MTT,LDH,彗星测试) 评估了细胞毒性和基因毒性.
- 测量了生物能量参数,包括ATP水平和线粒体复合体活动.
- 量化了反应性氧物种 (ROS),脂质过氧化和抗氧化酶活动 (catalase,SOD).
- 基因表达分析 (qPCR) 评估了Nrf2/HO-1抗氧化剂信号通路.
主要成果:
- FZ诱导了显著的细胞毒性,基因毒性和生物能干扰,包括ATP枯竭和线粒体复合体抑制.
- FZ提高了反应性物种和脂质过氧化,同时抑制了关键的抗氧化酶 (catalase,SOD).
- FZ治疗降低了关键的线粒体和抗氧化基因 (NDUFS1,CYC1,CAT,SOD2) 的调节,并损害了Nrf2/HO-1信号传导.
- 与HP的同时治疗显著减轻了FZ诱导的毒性,恢复了ATP水平,线粒体功能和抗氧化防御.
- 惠普使Nrf2/HO-1表达正常化,并减轻了FZ诱导的氧化和基因毒性损伤.
结论:
- 过氧化物 (HP) 在HK-2细胞中表现出显著的脏保护作用,对抗Amphotericin B (FZ) 诱导的脏毒性.
- 惠普通过抵消FZ诱导的线粒体功能障碍和氧化应激来起作用,可能是通过调节线粒体和抗氧化途径.
- 惠普的恢复生物能和抗氧化能力的能力使其成为减轻抗真菌相关损伤的潜在辅助疗法.
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