The exosomes from UCMSC sources can promote the migration and proliferation of fibroblasts and oral cortogenic cells. The wnt signal path that promotes the proliferation of DFLs cells was screened by RNA Seq and verified with qRT-PCR and Western-bolt. In vivo experiments have also shown that exosomes from UCMSC sources can promote tissue healing more quickly. In addition, in vivo and in vivo experiments have further demonstrated that linker-embedded peptides promote tissue healing more effectively than non-linker-embedded peptides.
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