For instance, three breast cancer cell lines along the EMP spectrum – MCF7 (epithelial), MCF10A (hybrid E/M) and MDA-MB-231 (mesenchymal) (29, 30) – showed consistent trends with PD-L1 levels with MCF7 < MCF10A < MDA-MB-231 (Figure 1F). Here, CD274 is linked to breast carcinoma.