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<a href="http://doi.org/10.1016/j.bmcl.2017.02.068" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.bmcl.2017.02.068</a>
Pages
2029–2037
Issue
9
Volume
27
Dublin Core
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Title
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High-content screen using zebrafish (Danio rerio) embryos identifies a novel kinase activator and inhibitor.
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Bioorganic & medicinal chemistry letters
Date
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2017
2017-05
Subject
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*Cancer; *Compound library; *Kinase; *Notochord; *Phenotypic screen; *Somites; *Zebrafish; Animals; Antineoplastic Agents/chemistry/pharmacology; Antitumor/methods; Benzoic Acid/chemistry/pharmacology; Death-Associated Protein Kinases/metabolism; Drug Discovery/*methods; Drug Screening Assays; Embryo; Enzyme Activation/drug effects; Enzyme Activators/*chemistry/*pharmacology; Neoplasms/drug therapy/enzymology; Nonmammalian/*drug effects/enzymology; Protein Kinase Inhibitors/*chemistry/*pharmacology; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism; Zebrafish Proteins/antagonists & inhibitors/metabolism; Zebrafish/*embryology
Creator
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Geldenhuys Werner J; Bergeron Sadie A; Mullins Jackie E; Aljammal Rowaa; Gaasch Briah L; Chen Wei-Chi; Yun June; Hazlehurst Lori A
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In this report we utilized zebrafish (Danio rerio) embryos in a phenotypical high-content screen (HCS) to identify novel leads in a cancer drug discovery program. We initially validated our HCS model using the flavin adenosine dinucleotide (FAD) containing endoplasmic reticulum (ER) enzyme, endoplasmic reticulum oxidoreductase (ERO1) inhibitor EN460. EN460 showed a dose response effect on the embryos with a dose of 10muM being significantly lethal during early embryonic development. The HCS campaign which employed a small library identified a promising lead compound, a naphthyl-benzoic acid derivative coined compound 1 which had significant dosage and temporally dependent effects on notochord and muscle development in zebrafish embryos. Screening a 369 kinase member panel we show that compound 1 is a PIM3 kinase inhibitor (IC50=4.078muM) and surprisingly a DAPK1 kinase agonist/activator (EC50=39.525muM). To our knowledge this is the first example of a small molecule activating DAPK1 kinase. We provide a putative model for increased phosphate transfer in the ATP binding domain when compound 1 is virtually docked with DAPK1. Our data indicate that observable phenotypical changes can be used in future zebrafish screens to identify compounds acting via similar molecular signaling pathways.
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<a href="http://doi.org/10.1016/j.bmcl.2017.02.068" target="_blank" rel="noreferrer noopener">10.1016/j.bmcl.2017.02.068</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Cancer
*Compound library
*Kinase
*Notochord
*Phenotypic screen
*Somites
*Zebrafish
2017
Aljammal Rowaa
Animals
Antineoplastic Agents/chemistry/pharmacology
Antitumor/methods
Benzoic Acid/chemistry/pharmacology
Bergeron Sadie A
Bioorganic & medicinal chemistry letters
Chen Wei-Chi
Death-Associated Protein Kinases/metabolism
Department of Integrative Medical Sciences
Drug Discovery/*methods
Drug Screening Assays
Embryo
Enzyme Activation/drug effects
Enzyme Activators/*chemistry/*pharmacology
Gaasch Briah L
Geldenhuys Werner J
Hazlehurst Lori A
Mullins Jackie E
NEOMED College of Medicine
Neoplasms/drug therapy/enzymology
Nonmammalian/*drug effects/enzymology
Protein Kinase Inhibitors/*chemistry/*pharmacology
Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism
Yun June
Zebrafish Proteins/antagonists & inhibitors/metabolism
Zebrafish/*embryology