Figure 6From: Expression of growth factor receptors and targeting of EGFR in cholangiocarcinoma cell lines Effects of cetuximab on apoptosis of TFK-1 cells. Single cell gate (A) and PI staining after 24 days of culture (B-G). Cetuximab mediates apoptotic effects in TFK-1 cells at 1000 μg/ml only.Back to article page