Expression of cyc lin-dependent kinase inhibitor p21waf/cip1 up-regulated after treated with MG1 32 for 3 h, but no p53 or p27 detected.

• 细胞周期检查点的负调控因子p21waf/cip1蛋白在加MG132处理后3h有明显的表达,但并未能检测到p53和p27蛋白。