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Characteristics and differentiation of UCB-MSCs. (a) Immunophenotyping of UCB-MSCs. Analysis of MSC markers including CD105 and CD29, as well as hematopoietic markers CD34 and CD45 was performed by flow cytometry. (b) Adipogenic differentiation detected by Oil Red O staining. (c) Osteogenic differentiation detected by Alizarin Red staining. Scale bars: 50 µm. UCB-MSCs: umbilical cord blood mesenchymal stem cells
