Objective: To study the apoptosis of Colo-16 cell line of squamous cell carcinoma induced by arsenic trioxide (As2O3) and probe into its clinical significance for the treatment of squamous cell carcinoma.

• 目的:研究三氧化二砷(arsenictrioxide,As2O3)诱导人鳞状细胞癌细胞系Colo-16细胞凋亡,探讨As2O3对鳞状细胞癌的临床应用意义。