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  • Title: The stimulatory effects of PDGF and TGF-beta 1 on dermal fibroblast attachment.
    Author: Ihn H, Kikuchi K, Soma Y, Sato S, Fujimoto M, Tamaki T, Igarashi A, Takehara K.
    Journal: Acta Derm Venereol; 1995 Sep; 75(5):367-71. PubMed ID: 8615054.
    Abstract:
    We investigated the effects of various growth factors (platelet-derived growth factor (PDGF), epidermal growth factor (EGF), basic fibroblast growth factor (bFGF), transforming growth factor-alpha (TGF-alpha), transforming growth factor-beta 1 (TGF-beta 1), tumor necrosis factor-alpha (TNF-alpha), keratinocyte growth factor (KGF)) on fibroblast attachment to plastic plates. It is thought that cell attachment to plastic plates in vitro may represent the step between cell migration and proliferation in vivo during wound healing. Among the growth factors examined, only PDGF and TGF-beta 1 significantly increased fibroblast attachment to both uncoated and collagen-coated plates in a concentration-dependent manner. The addition of anti-PDGF antibody abolished the enhancing effect of PDGF but not that of TGF-beta 1, suggesting that the effect of TGF-beta 1 is not through the autocrine induction of PDGF-related activities secreted by the fibroblasts themselves. These data suggest that PDGF and TGF-beta 1 regulate fibroblast attachment to the suitable environment in the process of dermal wound healing in vivo.
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