Fig. 7

Exosomes activate the wnt/β-catenin pathway of BM-MSCs after irradiation. a RT-PCR analyses of Ctnnb1. Data are presented as the mean ± SD (n = 3 independent experiments, t test). *p < 0.05. b Western blot analysis of β-catenin. c Immunofluorescence staining of β-catenin in BM-MSCs. d Immunohistochemical analysis of β-catenin in rat left tibia. Scale bars, 100 μm