丹皮酚减少大鼠局灶性脑缺血再灌注损伤后一氧化氮和内皮素的生成

被引:17
作者
韩永涛 [1 ]
张硕 [2 ]
张岫美 [2 ]
机构
[1] 山东大学附属齐鲁医院药剂科
[2] 山东大学医学院药理学研究所
关键词
丹皮酚; 脑缺血再灌注; 一氧化氮; 内皮素;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
摘要
目的观察丹皮酚对脑缺血再灌注损伤一氧化氮(NO)和内皮素(ET)生成的影响。方法采用大脑中动脉内拴线阻断法(MCAO)制备大鼠局灶性脑缺血再灌注损伤模型,测定脑缺血1h再灌注12及24h后脑组织匀浆和血清中NO以及血浆中ET水平。结果大鼠脑缺血1h再灌注12及24h,脑组织匀浆和血清中的NO、ET水平均显著升高,丹皮酚(2.5,5,10mg·kg-1·d-1,po)给药7d,可显著降低脑缺血再灌注12和24h血浆ET及脑组织匀浆诱生型NOS(iNOS)活性和NO水平。结论丹皮酚减少脑缺血再灌注损伤时NO及ET生成,可能是其保护脑缺血损伤的作用机制之一。
引用
收藏
页码:1218 / 1221
页数:4
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