(C and D) Immunostaining assay of MAP2 (green) in control and SOX1KO cells on day 35 of dorsal neural differentiation (C), and quantiﬁcation of MAP2+ cells (D), p=0.0001. Scale bar, 100 μm. Data information: Data are presented as mean ±SEM from three independent experiments (n=3). ***p<0.001 versus Ctrl group (unpaired two-tailed Student's t-test). 