Fig. 2From: Exosomes derived from mesenchymal stem cells reverse EMT via TGF-β1/Smad pathway and promote repair of damaged endometriumMorphology of Exosomes under electron microscope and expression of its surface marker. a The exosomes derived from BMSCs were observed by TEM. b Western blot was used to identify the expression of HSP70 and CD9, the specific surface proteins of Exosomes. Lanes 1, 2, and 3 represent the three repeats of exosome sampleBack to article page