Figure 6. MELK downregulation attenuates OSCC xenograft tumour growth in nude mice. (A) Tumour growth curves for shMELK and NC mice. (B) Dissected tumours were photographed. (C) Representative images of IHC staining among MELK, Zeb2, Slug, Snail, Vimentin and E-cad in tumours; scale bar: 100 μm. *P < 0.05, **P < 0.01.