Search results for " Homodimerization"

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Agonist-induced formation of FGFR1 homodimers and signaling differ among members of the FGF family

2011

Fibroblast growth factor receptor 1 (FGFR1) is known to be activated by homodimerization in the presence of both the FGF agonist ligand and heparan sulfate glycosaminoglycan. FGFR1 homodimers in turn trigger a variety of downstream signaling cascades via autophosphorylation of tyrosine residues in the cytoplasmic domain of FGFR1. By means of Bioluminescence Energy Resonance Transfer (BRET) as a sign of FGFR1 homodimerization, we evaluated in HEK293T cells the effects of all known FGF agonist ligands on homodimer formation. A significant correlation between BRET(2) signaling and ERK1/2 phosphorylation was observed, leading to a further characterization of the binding and signaling properties…

AgonistMAPK/ERK pathwaymedicine.drug_classBiophysicsSettore BIO/11 - Biologia MolecolareBiologyLigandsFibroblast growth factorSettore BIO/09 - FisiologiaBiochemistrychemistry.chemical_compoundFluorescence Resonance Energy TransfermedicineHumansReceptor Fibroblast Growth Factor Type 1Molecular BiologyMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Fibroblast growth factor receptor 1HEK 293 cellsAutophosphorylationCell BiologyHeparan sulfateFibroblast growth factors FGFR1 Homodimerization BRET MAPKCell biologyFibroblast Growth Factorsstomatognathic diseasesHEK293 CellschemistrySettore BIO/14 - FarmacologiaPhosphorylationHeparitin SulfateProtein MultimerizationBiochemical and Biophysical Research Communications

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