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酒精性肝病中的铁死亡机制研究进展

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摘要 随着中国饮酒人数逐年增加,酒精性肝病(ALD)及相关的肝脏代谢性疾病患病率逐年递增,严重威胁公众健康。肝脏不仅是酒精的主要代谢器官,也是酒精损伤的重要靶器官,酒精诱导产生的活性氧(ROS)及氧化应激是其致肝损伤的重要机制之一。铁死亡是一种新型的细胞死亡,其发生与ROS、脂质过氧化和铁代谢平衡密切相关。酒精在肝脏的代谢过程中可诱导产生大量ROS,引起铁离子代谢紊乱,使氧化脂膜上多不饱和脂肪酸产生过多脂质过氧化物,破坏生物膜,诱导铁死亡。酒精诱导的铁死亡,使肝脏细胞部分死亡,出现脂质累积且无法及时代偿,对肝脏造成损伤,导致ALD。本文主要从线粒体产生ROS诱导脂质过氧化、胱氨酸/谷氨酸逆转运受体(system X_(C-))和谷胱甘肽/谷胱甘肽过氧化物酶4(GSH/GPx4)系统及铁代谢等角度综述ALD中铁死亡机制的研究进展,为调控铁死亡防治ALD提供新思路。
出处 《癌变.畸变.突变》 CAS 2024年第1期66-69,76,共5页 Carcinogenesis,Teratogenesis & Mutagenesis
基金 咸阳市重点研发计划项目(L2023-ZDYF-SF-011)。
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