Article
Transforming Growth Factor-β (TGFβ) Receptors I/II Differentially Regulate TGFβ1 and IGF-Binding Protein-3 Mitogenic Effects in the Human Placenta
19 Feb 2010
Abstract excerpt
Maternal IGFs regulate cytotrophoblast proliferation and, thereby, placental growth and function. IGF bioavailability is controlled by IGF-binding proteins (IGFBPs); in placenta, IGFBP-3 is particularly abundant. In other systems, IGFBP-3 can regulate cellular events independently of IGFs; these effects are thought to be mediated by TGFbeta receptors (TbetaR). We have examined IGFBP-3 regulation of IGF-dependent...
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