Potential Role of Peptidylarginine Deiminase Enzymes and Protein Citrullination in Cancer Pathogenesis
Figure 5
PAD2 (green) is expressed in luminal epithelial cells of preinvasive, invasive, and metastatic human mammary tumors. Cytokeratin (red) staining differentiates luminal epithelial type from myoepithelial cells. (Magnification 400x).