Fig. 3

Scratch assay of NIH3T3 fibroblast introducing HEK293T exosomes. The NIH3T3 fibroblast were treated with the exosomes with or without ERK1/2 inhibitors (PD98059). The control is the cells without exosome. The cell migration was assessed at 0 h and 24 h. n = 5, scale bar: 200 μm.