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Updated: Feb 28, 2026
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Endothelial Cell Transcytosis Assay as an In Vitro Model to Evaluate Inner Blood-Retinal Barrier Permeability
Published on: June 7, 2022
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The inner blood-retinal barrier: Cellular basis and development.
Mónica Díaz-Coránguez1, Carla Ramos1, David A Antonetti1
1Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan, Ann Arbor, MI, United States.
Vision Research
|June 17, 2017
Summary
The blood-retinal barrier (BRB) maintains vision by controlling transport in the eye. Understanding BRB development and restoration is key for treating blinding diseases like diabetic retinopathy.
Area of Science:
- Ophthalmology
- Vascular Biology
- Cell Biology
Background:
- The blood-retinal barrier (BRB) is crucial for retinal homeostasis and protection.
- BRB dysfunction is implicated in blinding conditions, notably diabetic retinopathy.
Purpose of the Study:
- To review the molecular mechanisms regulating transport across the retinal vascular bed.
- To describe alterations in BRB pathways in diabetes.
- To explore new insights into BRB development (barriergenesis) and restoration.
Main Methods:
- Literature review focusing on molecular mechanisms of BRB regulation.
- Analysis of transcellular and paracellular flux routes.
- Examination of studies on barriergenesis and therapeutic restoration.
Main Results:
- Detailed description of molecular regulation of flux across the retinal vascular bed.
- Identification of pathway alterations in response to diabetic permeabilizing agents.
- Emerging understanding of barriergenesis processes.
Conclusions:
- Understanding BRB development offers potential therapeutic targets for diabetic retinopathy.
- Restoration of BRB integrity is a promising strategy for treating vision loss in diabetic retinopathy.
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