Research Article

Synergistic Lethality Effects of Apatinib and Homoharringtonine in Acute Myeloid Leukemia

Figure 2

Coexposure to Apatinib and HHT induces apoptosis of AML cells. (a) The percentage of apoptotic cells was examined with a NovoCyte flow cytometer. (b) Cells were treated with the indicated concentrations of Apatinib ± HHT for 24 and 48 h after which the percentage of Annexin-V + apoptotic cells was determined by flow cytometry after annexin V and DAPI double staining. (c) Combination index (CI) values were calculated according to the median effect method of Chou and Talala. (d) The combination of Apatinib and HHT displayed no effect on the THP1 cell line without FLT3-ITD mutations. ; ; .
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