The level of serum IgG anti-DNA antibodies was signeficantly higher in the group of H-2 complex d/z type,Fcgr2b B/W and d/z,W/W type than that of H-2 complex z/z,Fcgr2b B/W and z/z,W/W type.

• Fcgr2b基因与H-2复合体共同作用时；H-2复合体为d/z型时；无论Fcgr2b基因是B/W型或W/W型；其血清IgG抗DNA抗体水平明显高于含H-2复合体Z/Z型组(P<0.；01);