Highly Potent and Isoform Selective Dual Site Binding Tankyrase/Wnt Signaling Inhibitors That Increase Cellular Glucose Uptake and Have Antiproliferative Activity

Amit Nathubhai, Teemu Haikarainen, Jarkko Koivunen, Sudarshan Murthy, Françoise Koumanov, Matthew D Lloyd, Geoffrey D Holman, Taina Pihlajaniemi, David Tosh, Lari Lehtiö, Michael D Threadgill

Research output: Contribution to JournalArticlepeer-review

Abstract

Compounds 13 and 14 were evaluated against 11 PARP isoforms to reveal that both 13 and 14 were more potent and isoform selective toward inhibiting tankyrases (TNKSs) than the "standard" inhibitor 1 (XAV939)5, i.e., IC50 = 100 pM vs TNKS2 and IC50 = 6.5 μM vs PARP1 for 14. In cellular assays, 13 and 14 inhibited Wnt-signaling, enhanced insulin-stimulated glucose uptake, and inhibited the proliferation of DLD-1 colorectal adenocarcinoma cells to a greater extent than 1.

Original languageEnglish
Pages (from-to)814-820
Number of pages7
JournalJournal of Medicinal Chemistry
Volume60
Issue number2
Early online date9 Jan 2017
DOIs
Publication statusPublished - 26 Jan 2017

Keywords

  • Aminoquinolines/chemical synthesis
  • Antineoplastic Agents/chemical synthesis
  • Cell Line, Tumor
  • Crystallography, X-Ray
  • Drug Screening Assays, Antitumor
  • Glucose/metabolism
  • HEK293 Cells
  • Heterocyclic Compounds, 3-Ring/pharmacology
  • Humans
  • Poly(ADP-ribose) Polymerase Inhibitors/chemical synthesis
  • Protein Isoforms/antagonists & inhibitors
  • Quinazolinones/chemical synthesis
  • Tankyrases/antagonists & inhibitors
  • Wnt Signaling Pathway/drug effects

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