TGFB1 and neoplasm: Immunohistochemistry also confirmed higher TGFb1 staining in tumor cells in PC3-ERRα (Figure 7Hb) compared to PC3-CT-induced (Figure 7Ha) bone lesions in vivo and in PC3c-ERRα (Supplementary Figure S1Bb) compared to PC3c-CT-induced bone lesions in vivo (Supplementary Figure S1Ba).