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- W2058773995 abstract "A multi-domain synthetic peptide, F2A4-K-NS, mimicked the action of recombinant human FGF-2 (rhFGF-2) in vitro and in an in vivo model of angiogenesis. Like rhFGF-2, F2A4-K-NS was quantitatively shown to bind to FGF receptors in a cell-free receptor binding assay using a chimeric FGFR1 (IIIc)/Fc as monitored by surface plasmon resonance (SPR), and also shown to bind to heparin using biotinylated low-molecular weight heparin in a similar SPR assay. In vitro, F2A4-K-NS triggered signal transduction as monitored by the stimulation of ERK1/2 phosphorylation in human umbilical cord endothelial cells. In cell based assays, it increased cell migration, cell proliferation, and gelatinase secretion; endpoints associated with FGF-2 stimulation. Furthermore, these in vitro effects were mediated with quantities of F2A4-K-NS that were similar to those of rhFGF-2. In vivo, F2A4-K-NS was angiogenic at doses of 40 and 400 ng/implant in a subcutaneous implant assay as determined by morphologic scoring, hemoglobin content, and histology. These results support the hypothesis that F2A4-K-NS is a mimetic of FGF-2 that can substitute for FGF-2 in vitro and in vivo. A synthetic mimetic of FGF-2, such as F2A4-K-NS, could be a useful tool in studying mechanisms of cell activation and potentially in various therapeutic applications." @default.
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- W2058773995 date "2006-05-01" @default.
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- W2058773995 title "Synthetic peptide F2A4-K-NS mimics fibroblast growth factor-2 in vitro and is angiogenic in vivo" @default.
- W2058773995 doi "https://doi.org/10.3892/ijmm.17.5.833" @default.
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