Fig. 2
From: Improving gastric cancer preclinical studies using diverse in vitro and in vivo model systems

Assessment of concordance of in vitro ERBB2 protein levels. a ERBB2 protein expression, as assessed by immunochemistry (IHC) of cell lines (red bars) or xenografts (blue bars) b Assessment of ERBB2 copy number by fluorescence in situ hybridization (FISH, green bars) or silver in situ hybridization (SISH, yellow bars) in cell lines (upper panel) or xenografts (lower panel)