Fig. 4From: Adipose-derived mesenchymal stromal cell-derived exosomes promote tendon healing by activating both SMAD1/5/9 and SMAD2/3ADSC-Exos inhibits inflammatory expression in tendon injury. a–d The expression of CCR7+, CD163+, IL-6+, and IL-10+ cells were detected by immunofluorescence at week 1. e Positive ratio of inflammation-related factors (n = 6). Bars, 50 μm. Data are represented as mean ± SD. *vs control group; #vs GelMA group. **P < 0.01, ***P < 0.001, ****P < 0.0001, ###P < 0.001, ####P < 0.0001Back to article page