Figure 3From: In vitro biosafety profile evaluation of multipotent mesenchymal stem cells derived from the bone marrow of sarcoma patients Senescence assay. Evaluation of β-galactosidase activity in MSC-SAR at passage (A) 4 (P4) and (B) 10 (P10). Senescent cells are stained blue. Scale bar = 100 μm.Back to article page