Fig. 2From: Exosomes derived from three-dimensional cultured human umbilical cord mesenchymal stem cells ameliorate pulmonary fibrosis in a mouse silicosis modelIdentification and characterization of hucMSC-Exos. a Characteristics of hucMSC-Exos were measured by TEM. b The size of average particles displayed 123.9 nm by NTA. c The expression of CD81, CD63, and TSG101 was detected in hucMSC-Exos and hucMSCs by Western blottingBack to article page