Figure 6From: Effect of all-trans retinoic acid on the proliferation and differentiation of brain tumor stem cellsImmunofluorescence staining of differentiated BTSCs for GFAP (FITC, × 200). 6A: DAPI. 6B:GFAP. 6C:Merge. It showed the differentiated BTSCs induced by ATRA were GFAP positive.Back to article page