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Identification of extracellular vesicles (EVs) derived from murine bone marrow‐derived mesenchymal stem cells (BMSCs). EVs were isolated from supernatant of mouse BMSCs or microRNA (miR)‐29b transfected BMSCs (Exo‐miR‐29b) and their size (A,B) and antigen expression (C) were examined. (A) Magnification, 40,000×. NC, negative control; No trtmt, without treatment.
