Extracellular vesicles (EVs) are small membranous nanoparticles secreted by all types of cells and can be found in numerous bodily fluids, including blood, urine, cerebrospinal fluid, and more. For years, scientists believed that it functioned more as a waste disposal system for cells, carrying unwanted molecules and metabolites out of the cell and into circulation to be cleared out. But it turns out that one cell’s trash could be another cell’s treasure.
