Methods HL-60 cells were treated with various concentrations(7.5,15,30, 60mmol/L ) of As4S4.Cell growth was measured by MTT, apoptosis was detected by double staining flow cytometry (FCM).

• 方法以不同浓度的As4S4(7.；5、15、30、60mmol/L)；分别处理24h；48h；72hHL-60细胞；用四甲基偶氮唑蓝(MTT)法测定细胞增殖抑制率; 流式细胞仪(FCM)检测细胞凋亡率;