Figure 1From: Expression of growth factor receptors and targeting of EGFR in cholangiocarcinoma cell lines Sub-culturing of CC cell lines. Medium changes (ch) and time points for cell counting (count) for EGI-1 (A) and TFK-1 (B). Effects of cetuximab on growth of human CC cell lines was determined at the indicated time points. Apoptosis was observed by PI staining at the end of the sub-culture period.Back to article page