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IN VITRO STUDY ON THE RELATIONSHIP BETWEEN NF-κB AND THE APOPTOSIS EFFECT OF DAUNORUBICIN (DNR) ON HL-60 CELLS

Huang Zong-ga

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Abstract

Objective:To study whether NF-κB has the relationship with the apoptosis effect of daunorubicin (DNR) on HL-60 cells in vitro.Methods:This study observed the apoptosis of HL-60 by optic microscope,flow cytometry (FCM) and detected expression or activation of NF-κB with immunocytochemistry (IC) and flow cytometry (FCM) or EMSA of the groups:control HL-60 cells,HL-60 cells treated with DNR,HL-60 cells treated PDTC or FBI before DNR.Results:When treated with 1.0 μmol/L DNR,there showed the typical apoptotic cells.It was shown that after HL-60 cells were treated with 1.0 μmol/L DNR,the expression of NF-κB increased markedly compared with the control HL-60 cells.When adding PDTC,this effect of DNR was decreased,but FBI hadn′t presented these activation.Conclusion:It is suggested from the results that NF-κB has something to do with this apoptosis process and ROS had the marked correlation with the apoptosis process.

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What this paper is about

Objective:To study whether NF-κB has the relationship with the apoptosis effect of daunorubicin (DNR) on HL-60 cells in vitro.Methods:This study observed the apoptosis of HL-60 by optic microscope,flow cytometry (FCM) and detected expression or activation of NF-κB with immunocytochemistry (IC) and flow cytometry (FCM) or EMSA of the groups:control HL-60 cells,HL-60 cells treated with DNR,HL-60 cells treated PDTC or FBI before DNR.Results:When treated with 1.0 μmol/L DNR,there showed the typical apoptotic cells.It was shown that after HL-60 cells were treated with 1.0 μmol/L DNR,the expression of NF-κB increased markedly compared with the control HL-60 cells.When adding PDTC,this effect of DNR was decreased,but FBI hadn′t presented these activation.Conclusion:It is suggested from the results that NF-κB has something to do with this apoptosis process and ROS had the marked correlation with the apoptosis process.

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Available abstract

Objective:To study whether NF-κB has the relationship with the apoptosis effect of daunorubicin (DNR) on HL-60 cells in vitro.Methods:This study observed the apoptosis of HL-60 by optic microscope,flow cytometry (FCM) and detected expression or activation of NF-κB with immunocytochemistry (IC) and flow cytometry (FCM) or EMSA of the groups:control HL-60 cells,HL-60 cells treated with DNR,HL-60 cells treated PDTC or FBI before DNR.Results:When treated with 1.0 μmol/L DNR,there showed the typical apoptotic cells.It was shown that after HL-60 cells were treated with 1.0 μmol/L DNR,the expression of NF-κB increased markedly compared with the control HL-60 cells.When adding PDTC,this effect of DNR was decreased,but FBI hadn′t presented these activation.Conclusion:It is suggested from the results that NF-κB has something to do with this apoptosis process and ROS had the marked correlation with the apoptosis process.

Key concepts: Apoptosis, Daunorubicin, Flow cytometry, In vitro, Molecular biology, Immunocytochemistry, NF-κB, Chemistry

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