Reduced expression of the adherens junction protein cadherin-5 in a diabetic retina

被引:31
作者
Davidson, MK
Russ, PK
Glick, GG
Hoffman, LH
Chang, MS
Haselton, FR
机构
[1] Vanderbilt Univ, Med Ctr, Sch Engn, Dept Biomed Engn,MCN, Nashville, TN 37232 USA
[2] Vanderbilt Univ, Sch Med, Dept Med, Nashville, TN 37212 USA
[3] Vanderbilt Univ, Sch Med, Dept Cell Biol, Nashville, TN 37212 USA
[4] Vanderbilt Univ, Sch Med, Dept Ophthalmol & Visual Sci, Nashville, TN 37212 USA
关键词
D O I
10.1016/S0002-9394(99)00323-2
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
PURPOSE: Transvascular leakage occurs in diabetic retinopathy, The tight junction proteins occludin and zonula occludens-1 (ZO-1) and adherens junction protein cadherin-5 are critical to the maintenance of endothelial barrier. We report a comparison of junction protein expression in the normal and diabetic retina. METHOD: Case report. Postmortem retinal cryosections were prepared from the left eye of a 73-year-old woman with diabetic retinopathy. Cryosections were immunostained for cadherin-5, occludin, and ZO-1 and compared with retinal cryosections from the right eye of a 72-year-old man with no progression of retinal disease. RESULTS: Immunofluorescence showed positive retinal vessel staining for occludin and ZO-1 in both eyes and cadherin-5 in the normal eye but reduced cadherin-5 staining in the retinal vessels of the diabetic eye. CONCLUSION: Increases in transvascular leakage observed in diabetic retinal vasculature may be associated with reduction in the expression of the critical adherens junction protein, cadherin-5. (Am J Ophthalmol 2000;129:267-269, (C) 2000 by Elsevier Science Inc. All rights reserved.).
引用
收藏
页码:267 / 269
页数:3
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