实验动物科学

• 论文 • 上一篇    下一篇

伊凡思蓝检测糖尿病大鼠血-视网膜屏障通透性改变的方法探讨

刘乃慧;王康;李新民;   

  1. 首都医科大学附属北京友谊医院实验中心,首都医科大学附属北京友谊医院实验中心,首都医科大学附属北京友谊医院实验中心 北京100050,北京100050,北京100050
  • 收稿日期:2006-12-25 修回日期:2006-12-25 出版日期:2006-12-25 发布日期:2006-12-25

Evans Blue Technique for Quantitating Blood_retinal Barrier Breakdown

LIU Nai-hui,WANG Kang,LI Xin-min   

  1. (Department of Research Centre,Beijing Friendship Hospital,Capital Medical University,Beijing 100050,China
  • Received:2006-12-25 Revised:2006-12-25 Online:2006-12-25 Published:2006-12-25

摘要: 目的探讨伊凡思蓝(EB)作为检测早期糖尿病大鼠血_视网膜屏障通透性改变的方法的可行性。方法选用Brown_Norway大鼠,进行糖尿病造模1周后,模型组与对照组分别血管内注射EB,检测视网膜中含量。结果对照组和糖尿病组视网膜内EB含量分别为(13.22±3.59)ng/mg(n=12)和(23.41±4.47)ng/mg(n=12),结果差异有显著性(P<0.05)。结论静注后检测视网膜内EB含量的方法,可以比较精确地发现早期糖尿病大鼠视网膜病变中血_视网膜通透性的改变。

关键词: 糖尿病, 伊凡思蓝, 视网膜

Abstract: Objective To investigate whether Evans blue can be adapted as a method for quantitating blood-retinal barrier breakdown.Methods The content of Evans blue in the retina of normal and 1 week diabetic Brown-Norway rats were detected by absorption value after intravenous injection.Results Retinal Evans blue leakage of eyes from 1 week diabetic rats was(23.41±4.47)ng/mg(n=12),which was much higher than(13.22±3.59)ng/mg(n=12) from normal ones(P<0.05).Conclusions The Evans blue technique can be modified to a sensitive and quantitative method for measuring blood-retinal barrier breakdown.

Key words: Diabetes mellitus, Evans blue, Retina, Rat