Human Urine-Derived Stem Cells: Potential for Cell-Based Therapy of Cartilage Defects

Figure 2

The morphology and characterization of hUSCs. (a) “Rice grain”-like appearance of hUSCs after initial plating. (b) Elongated morphology of hUSCs after several passages. (c) Flow cytometry results of hUSCs. (d) Osteogenic differentiation of hUSCs with Alizarin Red. (e) Adipogenic differentiation of hUSCs with Oil Red O. (f) Growth curves of hUSCs.

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