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Objective To understand the mechanism of the hyperthermia and harringtonine in purging of leukemia cells In Vitro. telomerase activity of HL-60 cells treated by hyperthermia ( 42℃ for one hour) and different concentrations of Harringtonine were investigated.Methods Using Telomeric Repeats Amplification Protocol (TRAP) and ELISA techniques to analyze the telomerase activity of HL-60 cells. Results Our results showed that harringtonine inhibited the telomerase activity of HL-60 cells in a dosage related manner. Moreover, the telomerase activity of HL-60 cells was significantly decreased after the hyperthermia treatment as compared with untreated cells.Conclusion The effect of the hyperthermia and Harringtonine on purging leukemia cells In Vitro may be mediated by down regulation of telomerase activity of tumor cells.
Objective To understand the mechanism of the hyperthermia and harringtonine in purging of leukemia cells In Vitro. Telomerase activity of HL-60 cells treated by hyperthermia (42 ° C for one hour) and different concentrations of Harringtonine were investigated. Methods Using Telomeric Repeats Amplification Protocol ( TRAP) and ELISA techniques to analyze the telomerase activity of HL-60 cells. Results Our results showed that harringtonine inhibited the telomerase activity of HL-60 cells in a dosage related manner. after the hyperthermia treatment as compared with untreated cells. Confluence The effect of the hyperthermia and Harringtonine on purging leukemia cells In Vitro may be mediated by down regulation of telomerase activity of tumor cells.