transforming growth factor

transforming growth factor
transforming growth factor n any of a group of polypeptides that are secreted by a variety of cells (as monocytes, T cells, or blood platelets) and have diverse effects (as inducing angiogenesis, stimulating fibroblast proliferation, or inhibiting T cell proliferation) on the division and activity of cells abbr. TGF

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(TGF) either of two types of proteins secreted by transformed cells and stimulating growth of normal cells, although not causing transformation. TGF-α binds the epidermal growth factor receptor and also stimulates growth of microvascular endothelial cells. TGF-β comprises several proteins, which are found in hematopoietic tissue, stimulate wound healing, and in vitro are antagonists of lymphopoiesis and myelopoiesis. Similar proteins involved in inducing the change of undifferentiated tissues into specific types of tissues, including bone morphogenetic proteins, activins, and inhibins, are said to belong to the superfamily of TGF-β proteins.

Medical dictionary. 2011.

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  • Transforming growth factor, beta 3 — Transforming growth factor, beta 3, also known as TGFB3, is a human gene.cite web | title = Entrez Gene: TGFB3 transforming growth factor, beta 3| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=7043|… …   Wikipedia

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  • transforming growth factor — Proteins secreted by transformed cells that can stimulate growth of normal cells. Unfortunate misnomer, since they induce aspects of transformed phenotype, such as growth in semi solid agar, but do not actually transform. TGF a, a 50 amino acid… …   Dictionary of molecular biology

  • transforming growth factor — noun : any of a group of polypeptides that are secreted by a variety of cells (as monocytes, T cells, or blood platelets) and have diverse effects (as inducing angiogenesis, stimulating fibroblast proliferation, or inhibiting T cell… …   Useful english dictionary

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