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Imperatorin is reported as an anti-cancer medicine with many targets to induce cell apoptosis, such as enhancing p53 expression [1], inducing Mcl-1 degradation [2], activating activation of caspase-3, caspase-8, caspase-9 [3].

When tested with human cancer cell lines (SNU 449-liver cancer and HCT-15-colon cancer), imperatorin treatment promoted cell apoptosi in a dose-dependent manner via modulating expression of apotosis-related proteins [4]. In human embryonic kidney cells, imperatorin treatment significantly attenuated H2O2-induced ROS production [5]. When tested with human hepatoma HepG2 cells, administration of imperatorin inhibited cell proliferation in a time- and dose- dependent manner [3]. In human lung cancer H23 cells, imperatorin was shown to enhance the expression of p53 and induced cells apoptosis at sub-toxic concentrations [1].

In nude mouse model bearing HepG2 cells, treatment with imperatorin significantly suppressed tumor growth in a dose-dependent manner [3].

It is also reported that imperatorin inhibits voltage-gated K+ channels and ATP-sensitive K+ channels when tested with neuronal NG-108-15 cells [6].

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