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HIF-1在早期糖尿病小鼠视网膜上的表达及作用
引用本文:李才锐,胥延,郭小健,王平,李雯霖,洪卫,姜德咏. HIF-1在早期糖尿病小鼠视网膜上的表达及作用[J]. 实用医学杂志, 2005, 21(23): 2607-2610
作者姓名:李才锐  胥延  郭小健  王平  李雯霖  洪卫  姜德咏
作者单位:1. 云南省大理医学院附院眼科
2. 650101,昆明医学院二医院眼靠
3. 410011,长沙市,中南大学湘雅二医院眼科
4. 671000,云南省大理医学院附院眼科
5. 410000,长沙市,湖南博雅眼科医院
基金项目:本课题为湖南省科技厅资助课题(编号:04SK3034/3)
摘    要:目的:探讨糖尿病NOD小鼠视网膜HIF-1α表达及其作用。方法:NOD小鼠随机分为正常对照组和糖尿病组,分别于糖尿病2、4、6、8和12周处死糖尿病组和正常对照组小鼠,摘除眼球后分离视网膜。Westernblot方法检测视网膜HIF-1α的表达,免疫组化方法检测视网膜上HIF-1α的表达。结果:(1)与正常对照组相比,糖尿病组小鼠血糖明显增高,体重明显下降(P<0.01)。(2)Westernblot显示糖尿病6周时视网膜HIF-1α低水平表达,12周时HIF-1α表达增高。(3)免疫组化显示糖尿病组12周时视网膜内层HIF-1α表达增加,而未见视网膜外层HIF-1α表达。结论:(1)糖尿病早期视网膜HIF-1α表达增高,说明在糖尿病早期视网膜发生缺血缺氧。(2)HIF-1α可能参与了糖尿病早期视网膜缺血缺氧的继发损害过程。

关 键 词:糖尿病   视网膜   低氧诱导因子-1α    
收稿时间:2005-06-23
修稿时间:2005-06-232005-08-25

Expression and role of the hypoxia inducible factors HIF-1 in the early diabetic mice retina
LI Cai-rui,XU Yan,GUO Xiao-jian,WANG Ping,LI Wen-lin,HONG Wei,JIANG De-yong. Expression and role of the hypoxia inducible factors HIF-1 in the early diabetic mice retina[J]. The Journal of Practical Medicine, 2005, 21(23): 2607-2610
Authors:LI Cai-rui  XU Yan  GUO Xiao-jian  WANG Ping  LI Wen-lin  HONG Wei  JIANG De-yong
Abstract:Objective To explore the levels of hypoxia inducible factors-1 (HIF-1) in retina of the diabetic NOD mice and its roles. Methods NOD mice were randomly divided into normal control group and diabetes group, and killedat 2, 4, 6, 8 and 12 weeks. Eyes were enucleated and retinas were isolated, and detected by Western blot, or eyes were sectioned for immunohistochemical staining for HIF-1α . Results ① Compared to the normal control group, blood glucose of diabetes mice increased significantly but the weights de...
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