Fig. 1From: Comparison of exosomes secreted by induced pluripotent stem cell-derived mesenchymal stem cells and synovial membrane-derived mesenchymal stem cells for the treatment of osteoarthritisFlow cytometric analyses of phenotypic markers of iMSCs and SMMSCs. a iMSCs were positive for CD29, CD44, CD73, and CD90 and were negative for CD34, CD45, and HLA-DR. b SMMSCs were positive for CD44, CD73, CD90, and CD166 and were negative for CD34, CD45, and HLA-DRBack to article page