The relationship between CoCl2 exposure (HIF-1α inducer) and the expression of vimentin (Supplementary Fig. 1a), epithelial cell adhesion molecule (EpCAM) (Fig. 4a,d), and the growth factor receptor (HER2) (Fig. 4b,c) was examined in ovarian cancer cells. Here, EPCAM is linked to ovarian carcinoma.