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- Title
In Vitro Effects of Some Flavones on Human Pyruvate Kinase Isoenzyme M2.
- Authors
Aslan, Erdem; Adem, Sevki
- Abstract
ABSTRACT PKM2 is an important target for designing anticancer drug. Inhibitors and activators of this enzyme are suitable molecules for use in treating cancer. The aim of the present study was to investigate the effect of certain flavones on PKM2. Apigenin, wogonin, flavone, 3-hydroxyflavone, 5-hydroxyflavone, 6-hydroxyflavone, and 7-hydroxyflavone effectively inhibited PKM2, with IC50 in the range of 0.99-2.120 μM. The kinetic study indicated that these compounds acted as noncompetitive with Ki values of 3.53-5.67 μM toward phosphoenolpyruvate. Scutellarin and tangeritin demonstrated strong activation effect with AC50 values < 2 μM. Diosmetin, baicalin, baicalein, and luteolin showed an intermediate-level activator effect. These results demonstrate that flavone and their analogs could serve as leading compounds to develop new potent and selective inhibitor and activator for PKM2.
- Publication
Journal of Biochemical & Molecular Toxicology, 2015, Vol 29, Issue 3, p109
- ISSN
1095-6670
- Publication type
Article
- DOI
10.1002/jbt.21673