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Extracellular vesicle (EV) secretion rate by proliferating neural stem progenitor cells (NSPCs) and analysis with exosomal markers. (A) Protein concentration measured in the EV fraction of culture medium of proliferating NSPC. Values are the mean of three independent experiments. (B) Western blots of exosomal markers in extracts of proliferating cells and of EVs secreted in 48 h.
