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Fig. 4. (A) Requirement of STAT3 for inhibition of neurogenesis in vivo.
Vectors encoding GFP alone (Control) or Cre recombinase plus GFP (Cre) were
injected into the lateral ventricle of STAT3flox/flox mice at
E14.5. After 2 days, the fate of the GFP-positive cells was examined by
immunohistochemistry with anti-GFP, anti-ßIII-tubulin (TuJ1), anti-SOX2,
anti-nestin, anti-Musashi and anti-MAP2, as indicated. The percentages of
TuJ1-positive cells and SOX2-positive cells among total cells in the
transfected VZ region (60 µm width from the ventricular surface) are shown.
The boxed regions in A are shown enlarged in B. Arrows in B indicate
TuJ1-positive cells and MAP2-positive cells co-expressed without GFP. Scale
bars: 20 µm in A; 40 µm in B.