Figure 5From: Gene expression profiling of human mesenchymal stem cells derived from bone marrow during expansion and osteoblast differentiationIllustration of the TGF-β signaling pathway derived from KEGG database with mapped genes according to their expression level (at least two fold up or down regulated); green = down-regulated genes, red = up-regulated genes and yellow = unregulated genes; mapped genes are at least two-fold differentially expressed.Back to article page