内皮素在大鼠全脑缺血再灌流后海马神经元损伤中的意义

被引:2
作者
刘宏
吴平生
蔡德鸿
机构
[1] 第一军医大学珠江医院内分泌科!
[2] 第一军医大学南方医院心内科!
关键词
内皮素; 大鼠; 全脑缺血再灌流; 迟发性神经元坏;
D O I
10.13820/j.cnki.gdyx.1999.01.003
中图分类号
R96 [药理学];
学科分类号
100602 ; 100706 ;
摘要
目的通过检测大鼠全脑缺血后再灌流血浆及脑组织中内皮素的含量变化,初步探讨了内皮素与脑秧血再灌流后海马组织损伤的关系。方法利用四血管阻断法形成大鼠全脑缺血模型,在全脑缺血10min后再灌流6h、24h、72h以及120h后分别检测血浆及脑组织中内皮素的含量。结果大鼠全脑缺血再灌流后血浆及脑组织中内皮素含量明显升高,特别是海马组织中内皮素的增高最为明显。内皮素的增高在脑缺血后24-72h达到最高峰,120h有下降趋势。结论内皮素的改变与脑缺血再灌流引起的海马神经元迟发性坏死有密切的关系。
引用
收藏
页码:4 / 5
页数:2
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