奈尔可以保护HepG2细胞免受乙氨基诱导的亡
Tuba Tüylü Küçükkılınç1, Ayşe Ercan1
1Department of Biochemistry, Hacettepe University Faculty of Pharmacy, Ankara, Turkey.
Drug and chemical toxicology
|May 29, 2023
概括
抗抑郁药费内尔 (Phenelzine) 在肝细胞中显示出对乙氨基 (APAP) 过量毒性的保护作用. 它通过抑制亡信号通路来减少APAP诱导的细胞死亡.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 药理学 药理学是指药理学的学科.
- 毒理学 毒理学 毒理学
背景情况:
- 乙氨基 (APAP) 过量服用是导致药物诱导的肝衰竭的主要原因.
- N-乙半氨酸是目前APAP毒性的唯一解药.
- 研究新型治疗剂对于管理APAP过量服用至关重要.
研究的目的:
- 评估抗抑郁药尼对APAP诱导的肝毒性的保护作用.
- 阐明奈尔在HepG2细胞中的作用的基本机制.
- 评估烯对APAP诱导的细胞毒性,氧化应激和亡途径的影响.
主要方法:
- 利用HepG2人类肝细胞来模拟APAP诱导的细胞毒性.
- 评估细胞活力,组合指数,卡斯帕酶3/7激活和细胞染色体c释放.
- 测量过氧化 (H2O2),氧化 (NO) 含量和谷氨 (GSH) 活性.
- 分析了PERK蛋白水平,并进行了途径丰富分析.
主要成果:
- 芬尔在APAP毒性上表现出对抗作用 (组合指数=2.04).
- 费内尔治疗显著降低了APAP诱导的Caspase 3/7激活,细胞染色体c释放和H2O2生成.
- 素对NO和GSH水平的影响很小,并没有缓解ER压力.
- 途径分析表明,APAP毒性和烯代谢之间存在联系.
结论:
- 芬尔在HepG2细胞中表现出对乙氨基诱导的肝细胞毒性的保护作用.
- 保护机制包括减少APAP介导的亡信号传递.
- 需要进行进一步的研究,以探索烯在APAP过量服用中的治疗潜力.
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