Title: Effect of Arsenic Trioxide on Cell Cycle and Apoptosis of Multidrug Resistant K562/A02 Cell Line
Abstract:Objective: To explore the effect of arsenic trioxide on cell cycle and apoptosis of K562/A02 cells and its possible mechanism.Methods: Adriamycin(Adr) resistant K562/A02 were treated with arsenic trio...Objective: To explore the effect of arsenic trioxide on cell cycle and apoptosis of K562/A02 cells and its possible mechanism.Methods: Adriamycin(Adr) resistant K562/A02 were treated with arsenic trioxide(non-cytotoxic concentration at 4.0υmol/L,5.0υmol/L) or without arsenic trioxide(control),flow cytometry was used to evaluate apoptosis and cell cycle distribution,and change of the expression level of NF-κBp65 protein in nucleus was detected by western blot.Results: As compared with control arsenic trioxide significantly increased the rate of apoptosis,arrested cells in G0/G1phase and reduced the levels of NF-κBp65 protein in nucleus(allP0.05).Conclusion: The underlying mechanism for arsenic trioxide to promote apoptosis of K562/A02 and suppress cell proliferation lies in its impact on NF-κBp65 protein expression.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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