(a)
(b)
(c)
Figure 3: (a) The expression of SDF-1 and CXCR4 (optical density value). Compared with control group: ; compared with model group: . (b) Expression of SDF-1 (magnification ×400). (c) Expression of CXCR4 (magnification ×400). Note: C: control group; M: model group; A: AMD3100 group; Z: AsIV group.