Implications of PEGylation of Carbon Nanotubes for Central Nervous System Bioavailability

Author(s): Gisele Eva Bruch, Marcos F. Cordeiro, Livia S. Gomides, Carolina Peixoto, Arthur P. Cordeiro, Lidiane Dal Bosco, Adelina P. Santos, Daniela M. Barros*.

Journal Name: CNS & Neurological Disorders - Drug Targets

Volume 16 , Issue 9 , 2017

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Abstract:

Background and Objective: In this mini-review, we have compiled the most recent and comparable information to shed light on the action of PEGylation in the biodistribution of carbon nanotubes (CNT) in the central nervous system (CNS). It is well known that due to the complexity of the CNS and the severity of the outcome following changes in this system, this is one of the areas where there are more investments in research to develop new technologies and approaches for more effective and less invasive treatments. The CNS is highly protected against toxic and invasive microorganisms thanks to the blood brain barrier (BBB), but this protection also prevents the passage of potentially beneficial molecules for the treatment of neurological disorders. Nanotechnology attempts to develop nanocompounds that are biocompatible and non-immunogenic, and that are able to cross the BBB in therapeutic amounts without causing damage and to diffuse through nerve tissue. These compounds should also be cleared and biodistributed properly, being capable of performing drug delivery exclusively for CNS pathologies, such as neurodegenerative diseases (Parkinson's and Alzheimer's) and brain tumors.

Conclusion: In this way, this review focuses on CNT PEGylation, aiming to help in the development of viable and effective nanomedicines for neuroscience applications.

Keywords: Biodistribution, brain, carbon nanotubes, nanotechnology, neuroscience, PEGylation.

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Article Details

VOLUME: 16
ISSUE: 9
Year: 2017
Page: [983 - 989]
Pages: 7
DOI: 10.2174/1871527316666170731111735
Price: $58

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