Objective To study the effect of a wide range concentration of arsenic trioxide on human hepatoma cell line BEL 7402 and its mechanism using the method of human hepatoma cell line BEL 7402 cultured in vitro .

• 目的 体外培养人肝癌细胞株BEL 740 2 ,从多个角度探讨三氧化二砷 (As2 O3 )的抗肿瘤作用及其机制。