CYP1B1 and squamous cell lung carcinoma: To find out whether increased expression of CYP1B1 was a common effect of docetaxel pulse selection, a panel of cell lines – colon carcinoma Caco2, squamous cell lung carcinoma SK-MES-1 and pancreatic carcinoma BxPc-3 cell – and their docetaxel-selected variants were analysed for CYP1B1 mRNA expression (Figure 2).