Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 23, Issue 10, Pages 2489-2497Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2015.03.056
Keywords
Apoptosis signal-regulating kinase 1, ASK1; Inhibitor; Virtual screening; Compound library; Kinase assay
Funding
- National Academy of Sciences of Ukraine [0112U000254]
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Apoptosis signal-regulating kinase 1 (ASK1) plays important roles in the pathogenesis of type 1 and type 2 diabetes, autoimmune disorders, cancer and neurodegenerative diseases suggesting that small compounds inhibiting ASK1 could be used for the treatment of these pathologies. We have identified novel chemical class of ASK1 inhibitors, namely benzothiazol-2-yl-3-hydroxy-5-phenyl-1,5-dihydro-pyrrol-2-one, using molecular modeling techniques. It was found that the most active compound 1-(6-fluoro-benzothiazol-2-yl)-3-hydroxy-5-[3-(3-methyl-butoxy)-phenyl]-4-(2-methyl-2,3-dihydro-benzofuran-5-carbonyl)- 1,5-dihydro-pyrrol-2-one (BPyO-34) inhibits ASK1 with IC50 of 0.52 mu M in vitro in kinase assay. The structure-activity relationships of 34 derivatives of benzothiazol-2-yl-3-hydroxy-5-phenyl-1,5-dihydro-pyrrol-2-one have been studied and binding mode of this chemical class has been proposed. (C) 2015 Elsevier Ltd. All rights reserved.
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