通过LC3B调节的自减轻氧化纳米粒子诱导的上皮细胞功能障碍和急性肺损伤
Ruonan Chen1, Sen Luo1, Yunxiao Zhang1
1Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China.
概括
由微管相关蛋白1A/1B-光链3B (LC3B) 调节的自可以防止氧化纳米粒子 (ZnONP) 的肺毒性. 丢失LC3B会恶化氧化应激,炎症和细胞死亡,突出显示自.
科学领域:
- 环境毒理学环境毒理学
- 纳米医学是一种纳米医学.
- 细胞生物学 细胞生物学
背景情况:
- 氧化纳米颗粒 (ZnONPs) 在工业中普遍存在,具有潜在的呼吸系统健康风险.
- 了解ZnONP毒性背后的细胞机制对于风险评估和缓解至关重要.
研究的目的:
- 调查自的作用,特别是微管相关蛋白1A/1B光链3B (LC3B),在氧化纳米粒子诱导的肺毒性.
- 阐明自由离子和细胞通路在ZnONP中介损伤中的贡献.
主要方法:
- 使用LC3B淘汰赛小鼠的体内模型和使用BEAS-2B细胞的体内模型.
- 评估了ZnONP的毒性,自流量,氧化应激,炎症和细胞内水平.
- 使用离子化剂来评估自由离子的作用.
主要成果:
- 通过LC3B调节的自显著减轻ZnONP诱导的上皮细胞功能障碍和急性肺损伤.
- 缺少LC3B会加剧氧化应激,炎症,线粒体功能障碍和细胞死亡.
- 低压LC3B损害了离子运输和线粒体流,自由离子导致毒性.
结论:
- 由LC3B调解的自是对抗ZnONP肺毒性的关键保护机制.
- 针对自和管理平衡,为ZnONP诱导的肺损伤提供了潜在的治疗策略.
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