Fig. 1From: DPSCs treated by TGF-β1 regulate angiogenic sprouting of three-dimensionally co-cultured HUVECs and DPSCs through VEGF-Ang-Tie2 signalingCharacterization of DPSCs. a Specific marker analysis of DPSCs by flow cytometry. b Alizarin red staining after osteogenic induction for 21 days. c Immunofluorescence staining after neurogenic induction for 7 days (green: Tuj1, blue: DAPI). d Alcian blue staining after chondrogenic induction for 28 days. e Oil red O staining after adipogenic induction for 28 daysBack to article page