癫痫大鼠海马和大脑皮质糖皮质激素受体变化的观察

被引:17
作者
李正莉
朱长庚
蔡秋云
魏瑛
彭宣林
机构
[1] 同济医科大学解剖学教研室
关键词
马桑内酯,癫痫,糖皮质激素受体,免疫细胞化学,图像分析,大鼠;
D O I
10.16098/j.issn.0529-1356.1996.04.006
中图分类号
R742.1:R-332 [];
学科分类号
1002 ;
摘要
为了探讨糖皮质激素受体(GR)与癫痫发病机制间的关系,本研究应用免疫细胞化学PAP法显示马桑内酯致痫大鼠海马和大脑皮质内GR的变化,并用显微图像分析仪进行检测分析。结果显示:GR主要表达在海马回的锥体细胞层、齿状回颗粒细胞层及大脑皮质各层,特别是Ⅳ、Ⅴ层。GR免疫反应主要定位于细胞核内,胞浆内有较弱的免疫反应。图像分析及统计学处理表明:癫痫大鼠海马回、齿状回、大脑皮质含GR免疫反应阳性细胞数目、平均总面积、平均光密度均明显低于对照鼠,有极显著性差异。结果提示:GR的减少可能与癫痫的发病机制有密切关系
引用
收藏
页码:24 / 27
页数:4
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