Figure 4. Release of anti-inflammatory cytokines in BALF-exosomes by different cells after ALI. (A–C) ELISA for 3 key anti-inflammatory cytokines (IL-4, IL-13 and IL-10) in respective BALF-exosomes at 1 hour, 4 hours, 8 hours, 16 hours and 32 hours after ALI. (A) IL-4. (B) IL-13. (C) IL-10. *p<0.05. N=5.