Fig. 2

3D Culture of hucMSCs. a The glucose consumption rate of 3D culture system. b The flow cytometry analysis of MSC (CD29, CD44, CD73, and CD90) and HSC (CD34 and CD45) surface markers of exfoliated cells on the 23rd and 55th days. Blue solid peaks represent the isotype controls, and the red solid peaks represent the marker indicated. c The optical micrograph of exfoliated cells in the supernatants from 3D system. Scale bar, 50 μm