ACTA1 and endometrial cancer: In contrast, the four fibroblast cells isolated from endometrial cancer tissues (EC6-Fib, EC7-Fib, EC11-Fib and EC14-Fib) showed greater expression of vimentin and α-SMA, with low expression of EpCAM, E-cadherin and cytokeratin 8 (Figure 3A–C).