Fig. 2From: Human umbilical cord mesenchymal stem cell-derived exosomes promote microcirculation in aged diabetic mice by TGF-β1 signaling pathwayIdentification of exosomes of hUCMSCs A Morhology of exosomes observed by TEM. B Aanalysis of nanoparticle size distribution by NS300 (Malvin) nanoparticle analyzer. C High expression of CD9 and TSG101 BY Western blotBack to article page