With the constructed human-mouse Fab phage library, HAbl8GE, extracellular region of HAb18G, were used as antigen to screening.

• 通过本实验，以嵌合轻链为摸板，成功筛选到人源性抗体Fd片段。 第四部分:完全人源性杭肝病杭原HAb18G Fab抗体的筛选及初步功能鉴定。