Abstract
Since the discovery of P-glycoprotein (P-gp) in brain microvessels composing the human blood-brain barrier (BBB), ATPbinding cassette (ABC) transporters have been recognized as bottlenecks in the development and delivery of neuropharmaceuticals. ABC transporters are expressed predominately at the plasma luminal membrane of brain capillary endothelial cells. These ABC transporters are responsible for the efflux of their substrates from the endothelial cells to the bloodstream against the concentration gradient and thus limit the entry of some drugs within the central nervous system (CNS). Advanced quantitative molecular biology tools allowed gene and protein quantification of the components of microvessels isolated from different species including human. Recently, positron emission tomography using radiolabelled probes that are substrates of ABC transporters allowed the determination of their functional activity at the human BBB. Here, we summarized new information regarding the relative expression, substrate recognition pattern for CNS drugs and functional activity of ABC transporters that are quantitatively expressed at the human BBB.
Keywords: ATP-binding cassette transporters, blood-brain barrier, blood-cerebrospinal fluid barrier, P-glycoprotein, breast cancer resistance protein, multidrug resistance protein.
Current Pharmaceutical Design
Title:Human ABC Transporters at blood-CNS Interfaces as Determinants of CNS Drug Penetration
Volume: 20 Issue: 10
Author(s): Catarina Chaves, Ramzi Shawahna, Aude Jacob, Jean-Michel Scherrmann and Xavier Declèves*
Affiliation:
- Neuropsychopharmacologie des addictions (CNRS UMR 8206), Université Paris Descartes, Faculté de Pharmacie, Paris,France
Keywords: ATP-binding cassette transporters, blood-brain barrier, blood-cerebrospinal fluid barrier, P-glycoprotein, breast cancer resistance protein, multidrug resistance protein.
Abstract: Since the discovery of P-glycoprotein (P-gp) in brain microvessels composing the human blood-brain barrier (BBB), ATPbinding cassette (ABC) transporters have been recognized as bottlenecks in the development and delivery of neuropharmaceuticals. ABC transporters are expressed predominately at the plasma luminal membrane of brain capillary endothelial cells. These ABC transporters are responsible for the efflux of their substrates from the endothelial cells to the bloodstream against the concentration gradient and thus limit the entry of some drugs within the central nervous system (CNS). Advanced quantitative molecular biology tools allowed gene and protein quantification of the components of microvessels isolated from different species including human. Recently, positron emission tomography using radiolabelled probes that are substrates of ABC transporters allowed the determination of their functional activity at the human BBB. Here, we summarized new information regarding the relative expression, substrate recognition pattern for CNS drugs and functional activity of ABC transporters that are quantitatively expressed at the human BBB.
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Cite this article as:
Chaves Catarina, Shawahna Ramzi, Jacob Aude, Scherrmann Jean-Michel and Declèves Xavier*, Human ABC Transporters at blood-CNS Interfaces as Determinants of CNS Drug Penetration, Current Pharmaceutical Design 2014; 20 (10) . https://dx.doi.org/10.2174/13816128113199990466
DOI https://dx.doi.org/10.2174/13816128113199990466 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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