低剂量硫芥诱导大鼠脾脏氧化应激状态的改变

被引:10
作者
曾惠
刘勇
朱明学
张黎明
董兆君
机构
[1] 第三军医大学军事预防医学院军事毒理学教研室
[2] 第二军医大学海医系
[3] 第三军医大学军事预防医学院军事毒理学教研室 重庆
[4] 重庆
[5] 上海
关键词
硫芥; 脾脏; 氧化应激;
D O I
10.16016/j.1000-5404.2005.14.002
中图分类号
R595 [中毒及化学性损害];
学科分类号
1002 ; 100201 ;
摘要
目的探讨低剂量硫芥诱导大鼠脾脏氧化应激状态的改变及其意义。方法皮下注射硫芥,梯度离心法分离大鼠脾线粒体。用紫外分光光度法检测ROS、SOD、MDA及细胞色素含量;荧光分光法检测细胞内GSH含量;HE染色法观察脾脏病理损伤。结果低剂量硫芥作用下,脾脏出现水肿;组织和线粒体内ROS、SOD、MDA、GSH、GSSG含量出现不同程度的改变;线粒体电子传递链成分(细胞色素)含量出现不同程度的丢失。结论氧化应激状态的改变是低剂量硫芥诱导机体免疫器官(脾)损伤的毒作用机制之一。
引用
收藏
页码:1421 / 1423
页数:3
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