Figure 1. Identification of hUMSCs. (A) hUMSCs of the 4th-5th generation were observed under the light microscope. (B) hUMSC specific surface markers, CD105, CD34, and HLA-DR, were measured by flow analysis. (C–E) Osteogenesis (C) adipogenesis (D) and chondrogenesis (E) were identified after staining.