Propofol promotes apoptosis of ES-2 and OVCAR-3 cells by inhibiting HOST2. a, b Detection of ES-2 cell apoptosis by flow cytometry. c, d Detection of OVCAR-3 cell apoptosis by flow cytometry. e Western blot was used for exploring apoptosis-related protein (Bcl-2, Bax and Caspase-3) expression level in ES-2 cells. f Western blot was used for exploring apoptosis-related protein (Bcl-2, Bax and Caspase-3) expression level in OVCAR-3 cells. *p < 0.05, **p < 0.01 and ***p < 0.001