IFITM5 and osteosarcoma: In addition to the pre-osteocytic MLO-A5 cells, for which we had already observed activity for the mouse WT BRIL (Figure 1), 2 osteosarcoma lines (rat UMR106 and human SaOS-2) and 1 embryonic kidney epithelial line (human HEK293) were tested (Figure 6).