4.7 Article

Discovery of Benzoylsulfonohydrazides as Potent Inhibitors of the Histone Acetyltransferase KAT6A

Journal

JOURNAL OF MEDICINAL CHEMISTRY
Volume 62, Issue 15, Pages 7146-7159

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.9b00665

Keywords

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Funding

  1. National Health and Medical Research Council of Australia (NHMRC) [1030704, 1080146, 1020411, 1117602]
  2. Therapeutic Innovation Australia (TIA)
  3. Australian Government through the National Collaborative Research Infrastructure Strategy (NCRIS) program
  4. Victorian Government Operational Infrastructure Support Scheme
  5. National Health and Medical Research Council of Australia [1080146] Funding Source: NHMRC

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A high-throughput screen for inhibitors of the histone acetyltransferase, KAT6A, led to identification of an aryl sulfonohydrazide derivative (CTX-0124143) that inhibited KAT6A with an IC50 of 1.0 HM. Elaboration of the structure-activity relationship and medicinal chemistry optimization led to the discovery of WM-8014 (97), a highly potent inhibitor of KAT6A (IC50 = 0.008 /mu M). WM-8014 competes with acetyl-CoA (Ac-CoA), and X-ray crystallographic analysis demonstrated binding to the Ac-CoA binding site. Through inhibition of KAT6A activity, WM-8014 induces cellular senescence and represents a unique pharmacological tool,

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