Abstract
Brain, the center of the nervous system in all vertebrate, plays the most vital role in every function of human body. However, many neurodegenerative diseases, cancer and infections of the brain become more prevalent as populations become older. In spite of the major advances in neuroscience, many potential therapeutics are still unable to reach the central nervous system (CNS) due to the blood – brain barrier (BBB) which is formed by the tight junctions within the capillary endothelium of the vertebrate brain .This results in the capillary wall behaving as a continuous lipid bilayer and preventing the passage of polar and lipid insoluble substances. Several approaches for delivering drugs to the CNS have been developed to enhance the capacity of therapeutic molecules to cross the BBB by modifying the drug itself, or by coupling it to a vector for receptor-mediated, carrier mediated or adsorption-mediated transcytosis. The current challenge is to develop drug delivery systems that ensure the safe and effective passage of drugs across the BBB. This review focuses on the strategies and approaches developed to enhance drug delivery to the CNS.
Keywords: Central nervous system, blood brain barrier, drug delivery system, drug targeting, nanoparticle
Current Drug Delivery
Title: Current Approaches for Drug Delivery to Central Nervous System
Volume: 7 Issue: 5
Author(s): Sharif Hossain, Toshihiro Akaike and Ezharul Hoque Chowdhury
Affiliation:
Keywords: Central nervous system, blood brain barrier, drug delivery system, drug targeting, nanoparticle
Abstract: Brain, the center of the nervous system in all vertebrate, plays the most vital role in every function of human body. However, many neurodegenerative diseases, cancer and infections of the brain become more prevalent as populations become older. In spite of the major advances in neuroscience, many potential therapeutics are still unable to reach the central nervous system (CNS) due to the blood – brain barrier (BBB) which is formed by the tight junctions within the capillary endothelium of the vertebrate brain .This results in the capillary wall behaving as a continuous lipid bilayer and preventing the passage of polar and lipid insoluble substances. Several approaches for delivering drugs to the CNS have been developed to enhance the capacity of therapeutic molecules to cross the BBB by modifying the drug itself, or by coupling it to a vector for receptor-mediated, carrier mediated or adsorption-mediated transcytosis. The current challenge is to develop drug delivery systems that ensure the safe and effective passage of drugs across the BBB. This review focuses on the strategies and approaches developed to enhance drug delivery to the CNS.
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Cite this article as:
Hossain Sharif, Akaike Toshihiro and Hoque Chowdhury Ezharul, Current Approaches for Drug Delivery to Central Nervous System, Current Drug Delivery 2010; 7 (5) . https://dx.doi.org/10.2174/156720110793566245
DOI https://dx.doi.org/10.2174/156720110793566245 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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