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Characterization of PEXs and DCs. (A) Western blotting analysis of PEXs detected the presence of the exosomal markers ALIX, TSG101, and CD63. (B) According to nanoparticle tracking analysis, the sizes of the PEXs ranged from 20 nm to 200 nm. (C) Transmission electron microscopy of PEXs. (D) Flow cytometric analysis of DCs.
