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  • Title: Endothelial cell adhesiveness for human T lymphocytes is inhibited by transforming growth factor-beta 1.
    Author: Gamble JR, Vadas MA.
    Journal: J Immunol; 1991 Feb 15; 146(4):1149-54. PubMed ID: 1704031.
    Abstract:
    Recombinant human transforming growth factor-beta (TGF-beta) was found to inhibit the adhesive phenotype of human umbilical vein endothelial cells for human PBL, purified T lymphocytes, and PHA-activated lymphoblasts. TGF-beta inhibited lymphocyte attachment to resting human umbilical vein endothelial cells and also to endothelial monolayers stimulated with the pro-inflammatory cytokines TNF-alpha and IL-1 beta. Our investigations also show that the ability of endothelial cells to respond to TGF-beta by altering their adhesiveness is lost with prolonged culture of the cells. However, this loss is selective as TGF-beta inhibits cell proliferation in both early and late passage endothelial cells. These results suggest that in vivo TGF-beta may inhibit the adhesive phenotype of endothelial cells and also may limit the immunologic response occurring at the endothelial cell barrier.
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