Fig. 5From: Exosomal miRNA-128-3p from mesenchymal stem cells of aged rats regulates osteogenesis and bone fracture healing by targeting Smad5a The heat map showed that miR-128-3p was upregulated in Aged-Exos. b The schematic diagram of microRNA screening and selection. c qRT-PCR showed that miR-128-3p was the most upregulated miRNAs in the Aged-Exos among the top 10 miRNAsBack to article page