Expression of p16 INK4A was detected slightly and p21 WAF1 was not expression in SW1116 and Colo-320 cells before treatment.

• 正常情况下 ,SW1116和Colo 32 0细胞中均有较弱的p16 INK4A表达 ; 两种结肠癌细胞系p2 1WAF1表达缺如。