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Dex decreases the number of Ki67-positive NSCs without changing the percentage of nestin-positive cells. Micrographs show Ki67-positive cells (green colour) (a, b) and the percentage of positive cells is given in (c). Cytoplasmatic staining for nestin (green colour) in control (d) and Dex (e) NSCs. Nuclei are stained with Hoechst 33342 (blue colour). Values are shown as mean±S.E.M. *P<0.05. Scale bar=50 μm
