Fig. 2

HaCaT-derived EVs promote cell migration in vitro. a HaCaT cell scratch assay results after exposure to 2.5 μg/ml HaCat cell-derived EVs or left untreated for 48 h. b Fibroblast cell scratch assay results after exposure to 2.5 μg/ml HaCaT cell-derived EVs or left untreated for 48 h (n = 24 scratches). Red lines indicate scratch boundaries. Scale bar = 100 μm