Fig. 6From: Mouse embryonic palatal mesenchymal cells maintain stemness through the PTEN-Akt-mTOR autophagic pathwayChondrogenic differentiation of MEPM cells. a Immunohistochemical staining of Col-II in induced (left panel) and non-induced (right panel) groups; scale bar: 50 μm. b qRT-PCR profile showing COMP and Col-II expression levels in the induced and non-induced groups; N = 3; *P < 0.05; **P < 0.01Back to article page