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Aptamers: Selection, Modification and Application to Nervous System Diseases

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

Document Type: Research Article


Publication date: 2011-09-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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