Figure 5From: Effect of all-trans retinoic acid on the proliferation and differentiation of brain tumor stem cellsImmunofluorescence staining of differentiated BTSCs for CD133 (Cy3, × 200). 5A: DAPI. 5B:CD133. 5C:Merge. It showed the CD133 expression of differentiated BTSCs induced by ATRA did not disappear.Back to article page