Figure 1. Epithelial growth, differentiation, and apoptosis are regulated by fibroblast derived soluble factors [37–40].
The abbreviations are EGF, epidermal growth factor; FGF, fibroblast growth factor; HGF, hepatocyte growth factor; IGF, insulin growth factor; IL6, interleukin 6; KGF, keratinocyte growth factor; LIF, leukemia inhibitory factor; MSP, macrophage stimulating factor; NGF, nerve growth factor; TGF-β, transforming growth factor.
