Fig. 9From: Exosomes from umbilical cord-derived mesenchymal stem cells combined with gelatin methacryloyl inhibit vein graft restenosis by enhancing endothelial functionsAnalysis of the proliferation of smooth muscle cells via immunofluorescence. a Immunofluorescence distribution of α-SMA-positive cells in venous grafts (green). b Immunofluorescence distribution of PCNA-positive cells in venous grafts (green). c Quantitative analysis of the average fluorescence intensity of α-SMA in each group. d Quantitative analysis of the average fluorescence intensity of PCNA in each groupBack to article page