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Identification of hUC-MSCs and hUC-MSCs-MVs. (a) Analysis of the immunophenotype of hUC-MSCs by flow cytometry. hUC-MSCs were positive for CD44, CD90, CD29, and CD105, while negative for CD34, CD45. (b) Morphology of hUC-MSCs-MVs under a transmission electron microscope. Scale bar, 500 nm. (c) Western blot analysis on the expression of the MVs markers CD63 and CD9.
