Acute myeloid leukemia is one of the most commonly identified hematological malignancies with poor prognosis. This research was planned to identify the cytotoxic effects of Auraptene on HL60 and U937 cell lines. The cytotoxic effects of Auraptene were measured by AlamarBlue assay (Resazurin) after 24- and 48-h treatments with different doses of Auraptene. The inductive effects of Auraptene on cellular oxidative stress were investigated by determining cellular ROS levels. The cell cycle progression and cell apoptosis were also evaluated by flow cytometry method. Our findings revealed that Auraptene decreased HL60 and U937 cellular proliferation by downregulation of Cyclin D1. Auraptene also induces cellular oxidative stress by upregulation of cellular ROS levels. Auraptene induces cell cycle arrest the early and late phases of apoptosis by upregulation of Bax and p53 proteins. Our data suggest that the anti-tumor function of Auraptene can be mediated by promoting apoptosis and cell cycle arrest and inducing cellular oxidative stress in HL60 and U937 cell lines. These results support that Auraptene may be used as a potent anti-tumor agent against hematologic malignancies in the further studies.
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