Figure 1

Immunocytochemistry and immunohistochemical staining of Sp17 in a human carcinoma cell line and xenograft tumor tissues. A, B. In vitro cultured cell lines staining with anti-Sp17-mAb; A: Sp17+ SMMC-7721 cells, B: Sp17- HO8910 cells (original magnification, 20×); C, D. Sp17+ SMMC-7721 cell tumor xenograft tissue slices staining with: C: anti-Sp17-mAb, D. unrelated monoclonal antibody (original magnification, 40×).