Fig. 5: Intravital imaging after administering AD-MSC-sEVs (sEVs) or AD-MSC-γ-sEVs (γ-sEVs) in CCl4-damaged CX3CR1-EGFP mice.

a Representative images 24 h after injecting the vehicle, sEVs, and γ-sEVs; scale bar = 50 μm (upper panels) and 20 μm (lower panels). (Supplementary Movie 3; vehicle, sEVs, and γ-sEVs from left to right in order). Lower panels: magnified view of upper panels. b Numbers of CX3CR1 + GFP-expressing cells gathering with or surrounding the hepatocyte debris. Data are presented as means ± SD; n = 10–11 per experiment. c Numbers of CX3CR1 + GFP-expressing cells migrating into the damaged area. Data are presented as means ± SD; n = 10–12 in each experiment.