肌苷、川芎对肾近端小管上皮细胞缺血损伤的影响——细胞化学观察

被引:2
作者
沙继宏
郑尊
机构
[1] 训练部中心实验室
关键词
肾缺血; 钙离子; 镧; 细胞化学; EDX电镜分析;
D O I
10.16781/j.0258-879x.1991.03.016
中图分类号
学科分类号
摘要
本实验采用钙离子细胞化学定位法、膜通透性细胞化学示踪法结合普通超微结构及EDX电镜分析,从细胞水平观察了肾近端小管上皮细胞缺血损伤情况以及药物对它的影响。实验结果表明:肌苷、川芎对细胞缺血损伤有保护作用。缺血期,细胞中及线粒体内钙离子增多。此时,质膜的损伤并不严重。缺血后复流,随着复流时间的延长,细胞中及线粒体内钙离子进行性增多,质膜的损伤也越来越重。线粒体内钙离子含量与胞质中钙离子含量有密切关系。
引用
收藏
页码:240 / 243
页数:4
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