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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/21669
Title: Simple and Inexpensive Fluorescence-Based Technique for High-Throughput Antimalarial Drug Screening
Authors: Martin Smilkstein
Nongluk Sriwilaijaroen
Jane Xu Kelly
Prapon Wilairat
Michael Riscoe
VA Medical Center
Oregon Health and Science University
Mahidol University
Keywords: Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-May-2004
Citation: Antimicrobial Agents and Chemotherapy. Vol.48, No.5 (2004), 1803-1806
Abstract: Radioisotopic assays involve expense, multistep protocols, equipment, and radioactivity safety requirements which are problematic in high-throughput drug testing. This study reports an alternative, simple, robust, inexpensive, one-step fluorescence assay for use in antimalarial drug screening. Parasite growth is determined by using SYBR Green I, a dye with marked fluorescence enhancement upon contact with Plasmodium DNA. A side-by-side comparison of this fluorescence assay and a standard radioisotopic method was performed by testing known antimalarial agents against Plasmodiumfalciparum strain D6. Both assay methods were used to determine the effective concentration of drug that resulted in a 50% reduction in the observed counts (EC50) after 48 h of parasite growth in the presence of each drug. The EC50S of chloroquine, quinine, mefloquine, artemisinin, and 3,6-bis-ε -(N,N-diethylamino)-amyloxyxanthone were similar or identical by both techniques. The results obtained with this new fluorescence assay suggest that it may be an ideal method for high-throughput antimalarial drug screening.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=2142640849&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/21669
ISSN: 00664804
Appears in Collections:Scopus 2001-2005

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