Methods We investigated As2O3-induced apoptosis within Colo-16 cells by using MTT test flow cytometry in combination with fluorescent probes Annexin V-FITC and propidium iodide (PI) as well as DNA gel electrophoresis.

• 方法:应用MTT分析、流式细胞仪分析和DNA凝胶电泳分析等实验方法,观察了As2O3诱导人鳞状细胞癌细系Colo-16细胞凋亡过程。