Fig. 3

Representative western blots showing OPN protein levels in (a) RM11A cell following no treatment, treatment with lipofectamine only, treatment with a GC control siRNA or 3 different siRNAs targeting different regions on OPN mRNA. Representative western blots of OPN protein level following no treatment, treatment with lipofectamine only, treatment with a GC control siRNA or treatment with OPN- siRNA² in (b) RJ348 cells and (c) RM11A cells 24, 48 or 72 h after transfection