Fig. 5From: Clearance of senescent cells with ABT-263 improves biological functions of synovial mesenchymal stem cells from osteoarthritis patientsSurface antigen expression. a Representative flow cytometry histograms. Red solid lines indicate the control group, and green solid lines indicate the ABT-263 group. Dotted lines show the isotype control. b The expression rate of each surface antigen. Values are shown as mean ± SD from 5 donorsBack to article page