Effect of Total Flavonoids of Hedysarum Polybotry on Inducing Differentiation of Leukemic Cells
2008
Objective:To investigate the effect and mechanism of total flavonoids of Hedysarum polybotry on induction of differentiation in human leukemia HL-60 cells. Method After the treatment of HL-60 cells with total flavonoids of Hedysarum polybotry, the cell differentiation was detected with NBT reduction method. Cell cycle, CD11b and C-fos were analysed by the flow cytometry. Result The positive rate of NBT reduction and the expression of CD11b were significantly increased. Similar, the expression of C-fos gene was upregulated. The growth of HL-60 cells was arrested at G0/G1 and G2/M phase. Conclusion Total flavonoids of Hedysarum polybotry could induce differentiation of HL-60 cells. Its molecular mechanism might be related to the modulation of gene expressions associated with the proliferation and differentiation, which leads to the inhibition of DNA synthesis.
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