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SCANTM—A High-Throughput Assay for Detecting Small Molecule Binding to RNA Targets
Chris Baugh,
Shaohui Wang,
Bin Li,
James R. Appleman,
and
Peggy A. Thompson*
* To whom correspondence should be addressed. E-mail: pthompson{at}anadyspharma.com.
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Abstract |
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A novel optical-based high-throughput screening technology has been developed for increasing the rate of discovering chemical leads against RNA targets. SCANTM (Screen for Compounds with Affinity for Nucleic acids) is an affinity-based assay that identifies small molecules that bind and recognize structured RNA elements. This technology provides the opportunity to conduct high-throughput screening of a new class of targets—RNA. SCANTM offers many attractive features including a simple homogeneous format, low screening costs, and the ability to use common laboratory equipment. A SCANTM assay was developed for the HCV IRES Loop IIId RNA domain. A high-throughput screen of our entire compound library resulted in the identification of small molecule ligands that bind to Loop IIId. The Z' values were greater than 0.8, showing this to be a robust high-throughput screening assay. A correlation between SCANTM EC50 and KD values is reported suggesting the ability to use the assay for compound optimization. (Journal of Biomolecular Screening XXXX:xx-xx)
First published on February 11, 2009, doi:10.1177/1087057108330111
Journal of Biomolecular Screening 2009;14:219.
A more recent version of this article appeared on March 1, 2009

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