Quality Evaluation of Human Bone Marrow Mesenchymal Stem Cells for Cartilage Repair

Figure 3

(a) Histological findings with Safranin-O/Fast green staining at 12 weeks after injection of hMSCs into the cartilage defect models. Scale bars, 500 μm. (b) Assessment of the five different donors using Wakitani’s scales (, ).

(a)

(b)