Methods Anti CD4 and anti CD8 McAb were injected intravenously to ICR mice chimed by the bone marrow of Kunming mice.

• 方法 通过尾静脉给ICR系小鼠注入抗CD4、CD8单抗和同种异基因昆明系小鼠的骨髓 ,使之成为嵌合体小鼠。