By ELISA, McAb 3A5 and the Fab fragment were strongly reactive with hepatoma BEL-7402 cells and weakly reactive with KB cells.

• 在瘤、心、肝、脾、肺、肾、胃、肌、肠中，每克组织注射剂量百分比单抗3A5高于Fab片段，但肿瘤组织与非肿瘤组织的比值(T/NT)则Fab片段高于单抗3A5。 说明虽然完整单抗3A5在瘤组织的绝对浓度高于Fab片段，但是Fab片段分布特异性高于完整单抗3A5。