Linked Life Data

19144516

Source:http://linkedlifedata.com/resource/pubmed/id/19144516

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pubmed-article:19144516pubmed:abstractTexttrans-Sialidase from Trypanosoma cruzi (TcTS) has emerged as a potential drug target for treatment of Chagas disease. Here, we report the results of virtual screening for the discovery of novel TcTS inhibitors, which targeted both the sialic acid and sialic acid acceptor sites of this enzyme. A library prepared from the Evotec database of commercially available compounds was screened using the molecular docking program GOLD, following the application of drug-likeness filters. Twenty-three compounds selected from the top-scoring ligands were purchased and assayed using a fluorimetric assay. Novel inhibitor scaffolds, with IC(50) values in the submillimolar range were discovered. The 3-benzothiazol-2-yl-4-phenyl-but-3-enoic acid scaffold was studied in more detail, and TcTS inhibition was confirmed by an alternative sialic acid transfer assay. Attempts to obtain crystal structures of these compounds with TcTS proved unsuccessful but provided evidence of ligand binding at the active site.lld:pubmed
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pubmed-article:19144516pubmed:year2009lld:pubmed
pubmed-article:19144516pubmed:articleTitleDiscovery of novel inhibitors of Trypanosoma cruzi trans-sialidase from in silico screening.lld:pubmed
pubmed-article:19144516pubmed:affiliationSchool of Pharmacy and Pharmaceutical Sciences, University of Manchester, Manchester M13 9PT, UK. jneres@hotmail.comlld:pubmed
pubmed-article:19144516pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:19144516pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed
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