The transcription factor STAT5a is a potential target for tumor therapy. We present a fluorescence polarization-based, high-throughput screen of chemical libraries containing natural products and known bioactive molecules, for the identification of small-molecule inhibitors of the STAT5a SH2 domain. This screen identified suramin, a drug used to treat African trypanosomiasis, and its analogues NF023 and NF449 as inhibitors of the SH2 domains of STAT5a/b. Our data extend the known in vitro targets of suramin and analogues to include members of the STAT protein family. Copyright © 2017 Elsevier Ltd. All rights reserved.
Angela Berg, Thorsten Berg. A small-molecule screen identifies the antitrypanosomal agent suramin and analogues NF023 and NF449 as inhibitors of STAT5a/b. Bioorganic & medicinal chemistry letters. 2017 Aug 01;27(15):3349-3352
PMID: 28624143
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