In Vivo Analysis to Study Transport Across the Blood-Retinal Barrier

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

We present our detailed, standardized in vivo protocol for the evaluation of influx and efflux transport at the blood-retinal barrier (BRB). Discovering specific transport of drugs and nutrients is essential to improve our understanding of the pharmacological and physiological roles of the BRB. This will contribute to the development of novel systemic drug delivery system that will help with safer and more efficient therapy of severe retinal diseases, such as diabetic retinopathy and age-related macular degeneration. This report describes protocols for analyzing influx transport across the BRB, including integration plot and retinal uptake index (RUI) methods, providing the in vivo influx clearance and RUI value, respectively. In addition, microdialysis, a protocol for analyzing efflux transport across the BRB, provides the apparent first-order rate constant during the terminal phase. Furthermore, in vivo inhibition analyses using RUI and microdialysis provide the data which will help in investigating the involvement of carrier-mediated transport process.

Original languageEnglish
Title of host publicationNeuromethods
PublisherHumana Press Inc.
Pages249-265
Number of pages17
DOIs
StatePublished - 2019

Publication series

NameNeuromethods
Volume142
ISSN (Print)0893-2336
ISSN (Electronic)1940-6045

Keywords

  • Blood-retinal barrier
  • Efflux transport
  • Influx transport
  • Integration plot
  • Microdialysis
  • Retinal uptake index (RUI)
  • Transporter

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • General Pharmacology, Toxicology and Pharmaceutics
  • General Biochemistry, Genetics and Molecular Biology
  • General Neuroscience

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