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. 2009 Jun 1;3:5. doi: 10.3389/neuro.05.005.2009

Figure 1.

Figure 1

Cell death in chronic slice cultures. (A) The representative image of activated caspase-3 staining (red, arrows) on the ventricular/subventricular zone (VZ/SVZ) of the slice culture from a 19-week-old human fetus after 5 days in vitro. Nuclei are counterstained with bisbenzamide (blue). Scale bar: 20 μm. (B) Proportion of caspase-3a+ cells in all bisbenzamide-labeled nuclei in the VZ/SVZ and intermediate zone/cortical plate (IZ/CP) of 19-week-old human fetus. Note the higher percentage of apoptotic cells in the VZ/SVZ, similar to results obtained by TUNEL staining on frozen sections (Rakic and Zecevic, 2000).