梓醇对鱼藤酮致小鼠中脑和纹状体线粒体酶活性改变的改善作用

被引:8
作者
张秀丽 [1 ,2 ]
于德红 [3 ]
刘德胜 [1 ]
刘秀珍 [1 ]
张树平 [1 ]
机构
[1] 滨州医学院药学院生物制药教研室
[2] 北京大学生命科学学院
[3] 河北联合大学药学院
关键词
梓醇; 鱼藤酮; 线粒体;
D O I
暂无
中图分类号
R742.5 [震颤麻痹综合征];
学科分类号
100204 [神经病学];
摘要
目的研究梓醇对鱼藤酮致小鼠脑组织线粒体酶活性的影响。方法昆明小鼠分别ip给予梓醇10 mg.kg-1,连续7 d后,改ip给予鱼藤酮1.5 mg.kg-1,连续28 d;或ip给予鱼藤酮1.5 mg.kg-1,连续28 d后,改ip给予梓醇10 mg.kg-1,连续7 d。取小鼠中脑和纹状体提取线粒体测定线粒体复合物酶Ⅰ、Ⅱ、Ⅱ+Ⅲ、Ⅳ、线粒体一氧化氮合酶(mtNOS)活性、线粒体膜电位以及线粒体内活性氧(ROS)。结果与正常对照组相比,鱼藤酮组中脑和纹状体线粒体复合物Ⅰ和Ⅳ活性明显下降(P<0.01),预防或治疗性地给予梓醇后活性明显上升(P<0.05);线粒体复合物Ⅱ和Ⅱ+Ⅲ活性各组间无明显差异。与正常组相比,鱼藤酮组小鼠中脑和纹状体线粒体膜电位下降(P<0.01),mtNOS活性升高(P<0.05),ROS的生成增多(P<0.05),预防或治疗性地给予梓醇后中脑和纹状体线粒体膜电位升高(P<0.01),mtNOS活性降低(P<0.05),ROS的生成减少(P<0.05)。结论梓醇可能通过恢复脑内线粒体复合物酶活性和膜电位水平、减少线粒体内ROS生成的作用而抑制鱼藤酮诱导的脑损伤。
引用
收藏
页码:618 / 623
页数:6
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