NR3C1 and cancer: Namely, pS134-GR (but not Dex) is required for TNBC cell migration (Fig. 3c and Fig. 3d), invasion (Supplementary Fig. 3), anchorage-independent growth (Fig. 3e), and tumorsphere formation (Fig. 3f), in vitro readouts of advanced cancer behaviors that track with metastatic potential [22].