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Insulin-like growth factor (IGF)-binding protein 1 (IGFBP-1) contains an Arg-Gly-Asp (RGD) integrin recognition sequence. In vitro mutagenesis was used to alter this RGD sequence to Trp-Gly-Asp(More)
Human fibroblasts secrete insulin-like growth factor-binding proteins (IGFBPs) that can modify insulin-like growth factor (IGF) I action. We have determined the molecular identities of three forms of(More)
Insulin-like growth factor binding protein 4 (IGFBP-4) is a 24-kDa protein that binds insulin-like growth factor 1 (IGF-1) and IGF-2 with high affinity and inhibits IGF action in vitro. We recently(More)