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  • Title: Securinine induced apoptosis in human leukemia HL-60 cells.
    Author: Dong NZ, Gu ZL, Chou WH, Kwok CY.
    Journal: Zhongguo Yao Li Xue Bao; 1999 Mar; 20(3):267-70. PubMed ID: 10452105.
    Abstract:
    AIM: To study whether securinine might induce apoptosis in human leukemia HL-60 cells. METHODS: Inhibition of proliferation was measured using MTT assay. The amount of apoptotic cells was measured by flow cytometry. DNA fragmentation was visualized by DNA agarose gel electrophoresis and the cellular changes were observed by electron microscope. RESULTS: Securinine 5-80 mg.L-1 elicited typical apoptosis morphological changes and DNA fragmentation in a concentration-dependent manner in HL-60 cells. Securinine inhibited HL-60 cell proliferation in a time- and concentration-dependent manner. The IC50 and 95% confidence limits were 27 (15-47) mg.L-1 after 12-h treatment with securinine. CONCLUSION: Securinine induced apoptosis in HL-60 cells.
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