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Current Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Aptamers: Selection, Modification and Application to Nervous System Diseases

Author(s): Y. Yang, X. Ren, H. J. Schluesener and Z. Zhang

Volume 18, Issue 27, 2011

Page: [4159 - 4168] Pages: 10

DOI: 10.2174/092986711797189646

Price: $65

Abstract

Aptamers are nonnaturally occurring oligonucleotides generated by the SELEX (Systematic Evolution of Ligands by Exponential enrichment) process. Due to their unique three-dimensional structures, aptamers can bind to various targets, ranging from small compounds to cells and tissues, with high affinity and specificity. While first reported in 1990, aptamers have become useful tools in the biomedical field because of their unique characteristics, such as easy and quick preparation, cost-effectiveness, small size, versatility, et al. Recently various chemical modifications have been introduced to enhance aptamer's stability in the body fluids and their bioavailability in animals, which have pushed aptamer closer to therapeutic and diagnostic application. This review provides an overview of the aptamer modifications and their application in the nervous system disorders.

Keywords: Aptamer, SELEX, chemical modification, the nervous system, prion disease, Alzheimer's disease, myasthenia gravis, brain tumor


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