Figure 3.

Immunohistochemical analysis of SDF1 and its receptor. Imunohistochemical staining of (a,b) SDF-1 and (c,d) the SDF-1 receptor CXCR4 in mammary tissues. The left panels show normal tissues, and the right panels show breast tumour tissues. CXCR, CXC chemokine receptor; SDF, stromal cell-derived factor.