Fig. 1From: Mesenchymal stem cell-derived exosomes in cancer therapy resistance: recent advances and therapeutic potentialOverview of MSC-derived exosomes. A Biogenesis of exosomes. The biogenesis of exosomes comprises endocytosis, MVB formation, and exosome secretion into the extracellular microenvironment through merging with the plasma membrane. B Characteristics and contents of exosomes. C Exosome purification methodsBack to article page