Fig. 3.
Quantitative reverse transcription polymerase chain reaction analysis of collagen-degrading MMPs and growth factor secretion by BM-MSCs and WJ-MSCs. a MMP gene expression analysis showing quantification of various MMPs. b, c Quantitative analysis of VEGF and HGF secretion from BM-MSCs and WJ-MSCs. BM-MSCs; bone marrow-derived mesenchymal stromal cells, HGF; hepatocyte growth factor, MMP; matrix metalloprotease, VEGF; vascular endothelial growth factor, WJ-MSCs; Wharton’s jelly-derived mesenchymal stromal cells