The result of RT-PCR and immunocytochemistry and western blotting studies revealed that less c-myc mRNA and EWS-Flil fusion protein expressed as time going on in the early stage of apoptosis induced by As2O3 in RD-ES cell.

• c-myc基因mRNA表达水平和EWS-FLi1融合蛋白表达量随As2O3作用时间延长逐渐降低。