FGF2 and neoplasm: CAFs with high CD90 levels of expression exhibited an increased proportion of numerous genes associated with tumor progress, including TGF-β, the angiogenic factors vascular endothelial growth factor (VEGF) and fibroblast growth factor 2 (FGF2) and the cytokines interleukin (IL)-6 and chemokine (C-X-C motif) ligand 12.