Immunohistochemical expression of β-catenin in GCT cell line xenografts. (A) NTERA-2, focal moderate membranous positivity (brown color) of tumor cells. (B) NTERA-2 CisR, strong membranous positivity (brown color) of tumor cells. (C) NCCIT, strong membranous positivity (brown color) of tumor cells. (D) NCCIT CisR, weak membranous positivity (brown color) of tumor cells. (E) JEG-3, negative (blue color) tumor cells. (F) JEG-3 CisR, moderate membranous positivity (brown color) of tumor cells. (G) TCam-2, weak membranous positivity (brown color) of tumor cells. (H) TCam-2 CisR, strong membranous positivity (brown color) of tumor cells. Original magnification ×400.