The g rowth of human nasopharyng eal carcinoma xenog raft in BALB /C nude mice can be s ig nificantly inhibited by As 2 O 3 ,which mig ht be related to the cell differen tiation induced by As 2 O 3 .

• As2O3抑制人鼻咽低分化鳞癌BALB/C裸鼠移植瘤的生长,这种抑制作用可能与其诱导癌细胞向成熟方向分化有关?