Figure 5

Localization of RFP-positive HCT116-VRV3 cells in tumor tissues. (a–c) Immunohistochemistry for GFP and RFP in rectal tumor (a), metastatic liver tumor at 1 week (b) and metastatic liver tumor at 3 weeks (c). Nuclei were stained with DAPI. HE, hematoxylin-eosin. Scale bars: 100 μm.