The most effective of the three, nelfinavir, which impedes the activity of protein-degrading enzymes in the cell, also blocked tumour growth in mice injected with cancer cells.

• 三种药物中，疗效最好的那非那韦，不仅可以阻碍细胞中的蛋白降解酶的活动，而且可以阻碍被注入癌细胞的小鼠肿瘤的生长。