Figure 6. The inhibition of KAT5 represses CSCs properties of osteosarcoma cells. (A–D) MG63 and U2OS cells were transfected with KAT5 siRNA. (A, B) The stemness was measured by sphere formation assays. (C, D) The protein levels of Sox-2, Oct3/4, and Nanog were analyzed by Western blot. mean ± SD, ** P < 0.01.