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Morphology of purified EVs from 6 cell lines, including cancer cells and non-cancer cells. Shown are representative phase-contrast transmission electron microscopy images of EVs from (A) PC3 cells, (B) 22Rv1 cells, (C) PNT2 cells, (D) MDA-MB-231-luc-D3H2LN cells, (E) MCF7 cells and (F) MCF10A cells. The EVs were purified from the culture supernatants of these cells using a conventional centrifugation method. The scale bar indicates 100 nm.
