费里替诺法基介导的铁致死促进了由高流动性组盒1 (HMGB1) 引起的甲基酸甲肝毒性
Chengbo Wang1, Maodong Leng1, Cong Ding1
1Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China.
甲索特雷克萨特 (MTX) 通过铁死 (ferroptosis) 引起肝损伤,这是一种涉及费里丁和HMGB1.1的过程. 抑制这些途径,特别是用糖酸,可以治疗MTX诱导的肝毒性.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 毒理学 毒理学 毒理学
- 分子生物学分子生物学
背景情况:
- 肝毒性是一种已知的甲状腺酸盐 (MTX) 的副作用,甲状腺炎和癌症的常见药物.
- MTX诱导的肝损伤的确切机制需要进一步阐明.
- 识别对MTX肝毒性的有效干预措施至关重要.
研究的目的:
- 为了研究甲醇酸诱导的肝毒性分子机制.
- 探索铁,铁类和HMGB1在MTX肝损伤中的作用.
- 评估针对这些途径的潜在治疗策略.
主要方法:
- 给肝细胞和小鼠注射MTX.
- 通过细胞活力测定和病理检查评估肝毒性.
- 确定的铁和铁氨菌标志物,包括FTH1降解.
- 研究了NCOA4和HMGB1的作用,并测试了糖酸 (GA) 作为干预措施.
主要成果:
- 接受MTX治疗的肝细胞经历了铁亡,而铁亡抑制剂则减少了这一过程.
- 通过NCOA4介导的费里替诺法基 (ferritinophagy) 导致MTX诱导的铁亡.
- MTX提高了HMGB1的表达,并且它的耗尽减轻了肝毒性.
- 甘酸 (GA) 有效抑制了MTX诱导的自,铁和肝毒性.
结论:
- 自依赖性铁和HMGB1在MTX诱导的肝毒性中起着重要作用.
- 抑制费里丁和HMGB1显示出治疗MTX诱导的肝损伤的潜力.
- 针对这些途径为MTX肝毒性提供了一个有希望的治疗途径.
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