FIKK Kinase, a Ser/Thr Kinase Important to Malaria Parasites, Is Inhibited by Tyrosine Kinase Inhibitors

A relatively high-affinity inhibitor of FIKK kinase from the malaria parasite Plasmodium vivax was identified by in vitro assay of recombinant kinase. The FIKK kinase family is unique to parasitic organisms of the Apicomplexan order and has been shown to be critical in malaria parasites. The recombi...

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Veröffentlicht in:ACS omega 2017-10, Vol.2 (10), p.6605-6612
Hauptverfasser: Lin, Benjamin C, Harris, Darcy R, Kirkman, Lucy M. D, Perez, Astrid M, Qian, Yiwen, Schermerhorn, Janse T, Hong, Min Y, Winston, Dennis S, Xu, Lingyin, Brandt, Gabriel S
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Sprache:eng
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Zusammenfassung:A relatively high-affinity inhibitor of FIKK kinase from the malaria parasite Plasmodium vivax was identified by in vitro assay of recombinant kinase. The FIKK kinase family is unique to parasitic organisms of the Apicomplexan order and has been shown to be critical in malaria parasites. The recombinant kinase domain was expressed and screened against a small molecule library, revealing a number of tyrosine kinase inhibitors that block FIKK kinase activity. A family of tyrphostins was further investigated, to begin exploring the FIKK kinase pharmacophore. Finally, emodin was identified as a relatively high-affinity FIKK kinase inhibitor, identifying this family of anthraquinones as potential lead compounds for the development of antimalarials targeting the FIKK kinase.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.7b00997