Objective To investigate the effect of ampelopsin on the apoptosis of human retinoblastoma HXO-RB44cells. Methods Human retinoblastoma HXO-RB44cells were treated with different concentration of ampelopsin in vitro for24 h. Cell proliferation was measured by MTT and cell colony formation test. Morphological changes were observed under optical microscopy. Cell apoptosis was observed by AO /EB staining and flow cytometry. Results MTT assay showed that ampelopsin significantly inhibited the growth of cultured H...