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中国临床药理学与治疗学 ›› 2007, Vol. 12 ›› Issue (7): 763-766.

• 基础研究 • 上一篇    下一篇

丙泊酚对自由基引起的大鼠脑皮质线粒体损伤的保护作用

贾东林1, 褚晓玉2, 张利萍1   

  1. 1北京大学第三医院麻醉科, 2中国医科大学基础医学院临床药理学教研室, 北京 100083
  • 收稿日期:2007-03-16 修回日期:2007-06-04 出版日期:2007-07-26 发布日期:2020-10-27
  • 通讯作者: 张利萍, 女, 副教授, 研究生导师, 研究方向:麻醉生理与药理。
  • 作者简介:贾东林,男,在读博士,主治医师,研究方向:麻醉与心脑保护。Tel:010-62017691-7272 E-mail:jiadlin@163.com

Protective effect of propofol on free radical induced cortex mitochondria injury in rats

JIA Dong-lin1, CHU Xiao-yu2, ZHANG Li-ping1   

  1. 1Department of Anesthesiology, the 3rd Hospital of Peking University, 2Department of Clinical Pharmacology, Basic College of Medicine, Chinese Medical University, Beijing 100083, China
  • Received:2007-03-16 Revised:2007-06-04 Online:2007-07-26 Published:2020-10-27

摘要: 目的: 在大鼠脑皮质线粒体自由基损伤的体外实验中, 观察丙泊酚的保护作用, 为治疗脑缺血再灌注损伤提供实验依据。方法: 采用抗坏血酸-Fe2+体系诱导产生氧自由基, 对分离的大鼠脑线粒体进行体外损伤实验, 与丙泊酚温育后测定线粒体膜流动性、肿胀度和丙二醛(MDA)含量的变化。结果: 脂质过氧化可降低线粒体膜流动性、增加线粒体肿胀和MDA 含量, 30 μmol/L 的丙泊酚均可减轻上述损伤。结论: 脂质过氧化使大鼠脑皮质线粒体结构和功能显著受损, 丙泊酚对此有明显保护作用。

关键词: 丙泊酚, 线粒体膜, 膜流动性, 氧自由基, 脂质过氧化

Abstract: AIM: To evaluate the protective effects of propofol on oxidative injury of rat cortex mitochondria. METHODS: Lipid peroxidation was induced by ascorbic acid-Fe2+, the swelling of mitochondria and the decrease of membrane fluidity were induced by ascorbic acid-Fe2+ system.The fluidity of mitochondral membrane, content of malondialdehyde (MDA) in mitochondria and the swelling of mitochondria were measured. RESULTS: The swelling of mitochondria and the decrease of membrane fluidity induced by ascorbic acid-Fe2+ system were alleviated by propofol(P<0.05).30 μmol/L propofol could protect mitochondria from ascorbic acid-Fe2+ induced lipid peroxidation. CONCLUSION: Propofol can protect mitochondria from oxidative injury induced by ascorbic acid-Fe2+.

Key words: propofol, mitochondria membrane, membrane fluidity, oxygen free radical, lipid peroxidation

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