Title : Characterization of [125I]acidic fibroblast growth factor binding to the cloned human fibroblast growth factor receptor, FGF-flg, on NIH 3T3 cell membranes: inhibitory effects of heparin, pertussis toxin and guanine nucleotides.

Pub. Date : 1992 Oct

PMID : 1383494






2 Functional Relationships(s)
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1 In the presence of 5 U/ml of heparin to block [125I]aFGF binding to membrane bound heparan sulfate proteoglycans, specific [125I]aFGF binding was optimal in the presence of 0.2 M NaCl and in a pH range of 7 to 9. Heparitin Sulfate fibroblast growth factor 1 Homo sapiens
2 However, at a low heparin concentration (0.1 U/ml), [125I]aFGF binds to the FGF-flg receptor with higher affinity than was observed in the presence of 5 U/ml of heparin, and also binds a class of lower affinity recognition sites which are consistent with the labeling of cell surface heparan sulfate proteoglycans. Heparitin Sulfate fibroblast growth factor 1 Homo sapiens