Publications by authors named "Oluwamuyiwa T Amusan"

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Kaempferol as a Potential PAK4 Inhibitor in Triple Negative Breast Cancer: Extra Precision Glide Docking and Free Energy Calculation.

Curr Drug Discov Technol 2020 ;17(5):682-695

Department of Biochemistry, Lagos State University, Ojo, Lagos, Nigeria.

Background: P-21 activating kinase 4 (PAK4) is implicated in poor prognosis of many human tumors, particularly in Triple Negative Breast Cancer (TNBC) progression. Studies have revealed the crucial role of PAK4 in cell proliferation, anchorage-independent growth and cell migration among other hallmarks of cancer. Thus, PAK4 is an attractive target for anti-TNBC drug design and development. In our research, we used in silico methods to investigate the inhibitory potentials of kaempferol against PAK4 as compared with co-crystallized 4T6 and a standard PAK4 inhibitor-KPT-9274. The ligands were docked into the ATP-binding site of the target enzyme and post-docking validations were calculated.

Results: In the molecular docking results, kaempferol had higher affinity than the standard KPT-9274. However, the SP and XP docking scores for the co-crystallized 4T6 were the highest. The analyses of the docking showed a favorable interaction between kaempferol and the catalytic-important aminoacyl residues, especially GLU396, LEU398 and ASP458 in the ATP-binding site of PAK4 when compared with what was obtained in the 4T6-PAK4 complex. Molecular mechanics based MM-GBSA was used to validate docking results. The free energy calculations revealed that kaempferol may have a favorable biological activity. Furthermore, the druggability of each ligand was assessed using the QikProp module and the SwissADME online tool. Kaempferol possessed a propitious drug-like property when compared to the standard ligands.

Conclusions: We, therefore, put forward a logical argument that kaempferol can be further evaluated as a potential PAK4 inhibitor in TNBC.
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http://dx.doi.org/10.2174/1570163816666190823135948DOI Listing
September 2021
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