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Growth factor concentration (PDGF-AA, HGF, TGF-β1 and TGF-β2) in human mesenchymal stromal cell supernatants. Values are expressed as average ± standard deviation of three replicates. Statistical significance difference was determined by analysis of variance followed by the Bonferroni post-hoc test (n = 3, α = 0.05). BM-MSC: bone marrow-derived mesenchymal stromal cells, AT-MSC adipose tissue-derived mesenchymal stromal cells, WJ-MSC: Wharton’s Jelly-derived mesenchymal stromal cells.
