Blood–Brain Barrier Transporters: Opportunities for Therapeutic Development in Ischemic Stroke

Kelsy L. Nilles, Erica I. Williams, Robert D. Betterton, Thomas P. Davis, Patrick T. Ronaldson

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

Globally, stroke is a leading cause of death and long‐term disability. Over the past decades, several efforts have attempted to discover new drugs or repurpose existing therapeutics to promote post‐stroke neurological recovery. Preclinical stroke studies have reported successes in identifying novel neuroprotective agents; however, none of these compounds have advanced beyond a phase III clinical trial. One reason for these failures is the lack of consideration of blood– brain barrier (BBB) transport mechanisms that can enable these drugs to achieve efficacious concentrations in ischemic brain tissue. Despite the knowledge that drugs with neuroprotective properties (i.e., statins, memantine, metformin) are substrates for endogenous BBB transporters, preclinical stroke research has not extensively studied the role of transporters in central nervous system (CNS) drug delivery. Here, we review current knowledge on specific BBB uptake transporters (i.e., organic anion transporting polypeptides (OATPs in humans; Oatps in rodents); organic cation transporters (OCTs in humans; Octs in rodents) that can be targeted for improved neuroprotective drug delivery. Additionally, we provide state‐of‐the‐art perspectives on how transporter pharmacology can be integrated into preclinical stroke research. Specifically, we discuss the utility of in vivo stroke models to transporter studies and considerations (i.e., species selection, co‐morbid conditions) that will optimize the translational success of stroke pharmacotherapeutic experiments.

Original languageEnglish (US)
Article number1898
JournalInternational journal of molecular sciences
Volume23
Issue number3
DOIs
StatePublished - Feb 1 2022

Keywords

  • Blood–brain barrier
  • Endothelial cell
  • Ischemic stroke
  • Neuroprotection
  • Organic anion transporting polypeptides
  • Organic cation transporters
  • Statins
  • Transporters

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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