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Identification of bone marrow mesenchymal stem cells (BMSCs) and BMSCs exosomes. (A) Analyses of CD34, CD45, CD44, and CD90 markers by fluorescence-activated cell sorting (FACS) analysis of cell surface (B) Transmission electron microscopy of exosomes from BMSCs. Scale bars = 200 nm (C) Western blotting for the exosomal markers CD9, CD63, and TSG101.
