Abstract
To develop new CYP26A1 inhibitors, a three-cycle virtual screening was carried out based on the constructed homology model of human CYP26A1 using Dock, Fred, Gold and AutoDock. Twenty-two compounds exhibited high scores and reasonable binding modes in molecular docking were purchased from Specs Company. Eighteen compounds were tested their abilities to enhance ATRA-induced differentiation in human acute promyelocytic leukemia NB4 cells. Eight of them enhanced the ability of ATRA to induce differentiation at concentrations of 0.5 and 1μM. Among these compounds, 2-(2-methylfuran-3-carboxamido)-3-phenylpropanoic acid (S8) is of most effective in blocking ATRA breaking down in NB4 cells based on the LC–MS/MS assay.
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