SU Yong-chun, et al. 5-Aza-cytidine inhibit proliferation of human promyelocytic leukemia cells (HL60) by inducing apoptosis[J]. Journal of Chongqing Medical University, 2010,35(7):981-984.
SU Yong-chun, et al. 5-Aza-cytidine inhibit proliferation of human promyelocytic leukemia cells (HL60) by inducing apoptosis[J]. Journal of Chongqing Medical University, 2010,35(7):981-984. DOI: 10.13406/j.cnki.cyxb.2010.07.033.
Objevtive:This study was aimed to investigate the effect of 5-aza-cytidine on the proliferation
cell cycles distribution profile and apoptosis of human promyelocytic cell line HL60.Methods: The human promyelocytic cell line HL-60 was cultured in RPMI 1640 medium.3-(4
5-Dimethylthiazol-2-y)l-2
5-diphenylte trazolium(MTT)reduction by cells was used to assess drug-induced cell growth inhibition.Cells were treated with 0.25
0.5
1
2.5μmol/L of freshly prepared 5-aza-cytidine for 48 hours before they were harvested for analyzing distribution of cell cycle phases and apoptosis by flow cytometer.Results:5-aza-cytidine inhibited HL60 cell proliferation in a time-and concentration-dependent manner.Apoptosis was induced as detected by flow cytometry.Determination of the cell cycle distribution by flow cytometry revealed an accumulation of cells in G1 phase.Conclusion:DNA methylation inhibitor 5-aza-cytidine has effects on proliferation of human promyelocytic cell line HL60.Possible mechanism of this inhibition is induction of apoptosis.