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Figure 7


Fig. 7. Neuronal differentiation defects in Ngn2 mutant dentate gyrus. (A,A',B,B',C,C') Sections through the hippocampus of P1 Ngn2KIGFP/+ (A,B,C) or Ngn2KIGFP/GFP (A',B',C') brains immunolabelled for GFP and HuC/D (A,A'), Prox1 (B,B') or Neurod1 (C,C'). The insets show a high magnification of the secondary matrix. (A'',B'',C''). Histograms representing (A'') the percentage of GFP+ cells expressing HuC/D, (B'') the percentage of GFP+ cells expressing Prox1low (light colour) or Prox1high (dark colour), and (C'') the percentage of GFP+ cells expressing Neurod1 in Ngn2KIGFP/+ (blue bars) and Ngn2KIGFP/GFP (red bars) dentate gyri. Fewer post-mitotic HuC/D, Prox1high-expressing granule neurons are present in the Ngn2KIGFP/GFP DG, while Ngn2 loss of function does not affect Neurod1 expression. *P≤0.05, **P≤0.01. Scale bars: 50 µm.





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