2023
Heparin is essential for optimal cell signaling by FGF21 and for regulation of βKlotho cellular stability
An S, Mohanty J, Tome F, Suzuki Y, Lax I, Schlessinger J. Heparin is essential for optimal cell signaling by FGF21 and for regulation of βKlotho cellular stability. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2219128120. PMID: 36745784, PMCID: PMC9962926, DOI: 10.1073/pnas.2219128120.Peer-Reviewed Original ResearchConceptsHeparan sulfate proteoglycanCellular stabilityCell membraneSingle-molecule fluorescenceProtein kinase responsesChinese hamster ovary cellsFGF moleculesHamster ovary cellsFactor bindsReceptor assemblyReceptor dimerizationGrowth factor bindsHigh-affinity bindingFGF1 stimulationKinase responseCHO cellsOvary cellsSulfate proteoglycanIntracellular CaKlotho proteinFGFR1cPotential roleRegulationΒKlothoCells
2019
Structures of ligand-occupied β-Klotho complexes reveal a molecular mechanism underlying endocrine FGF specificity and activity
Kuzina ES, Ung PM, Mohanty J, Tome F, Choi J, Pardon E, Steyaert J, Lax I, Schlessinger A, Schlessinger J, Lee S. Structures of ligand-occupied β-Klotho complexes reveal a molecular mechanism underlying endocrine FGF specificity and activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 7819-7824. PMID: 30944224, PMCID: PMC6475419, DOI: 10.1073/pnas.1822055116.Peer-Reviewed Original ResearchConceptsFGF receptorsPleiotropic cellular responsesFibroblast growth factor (FGF) familyPrimary high-affinity receptorsKlotho proteinChimeric mutantsGrowth factor familyCatalytic subunitFGFR functionRegulatory interactionsTerminal tailPleiotropic cellular effectsFactor familyP motifS motifExtracellular domainMolecular mechanismsIntracellular signalingCellular responsesSame binding siteCellular effectsGeneral mechanismEndocrine FGFsBinary complexBinding sites
2018
Structures of β-klotho reveal a ‘zip code’-like mechanism for endocrine FGF signalling
Lee S, Choi J, Mohanty J, Sousa LP, Tome F, Pardon E, Steyaert J, Lemmon MA, Lax I, Schlessinger J. Structures of β-klotho reveal a ‘zip code’-like mechanism for endocrine FGF signalling. Nature 2018, 553: 501-505. PMID: 29342135, PMCID: PMC6594174, DOI: 10.1038/nature25010.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCrystallography, X-RayExtracellular SpaceFibroblast Growth Factor-23Fibroblast Growth FactorsGlycoside HydrolasesHEK293 CellsHumansKlotho ProteinsLigandsMembrane ProteinsModels, MolecularProtein BindingProtein DomainsReceptors, Fibroblast Growth FactorSignal TransductionSubstrate Specificity
2010
Asymmetric receptor contact is required for tyrosine autophosphorylation of fibroblast growth factor receptor in living cells
Bae JH, Boggon TJ, Tomé F, Mandiyan V, Lax I, Schlessinger J. Asymmetric receptor contact is required for tyrosine autophosphorylation of fibroblast growth factor receptor in living cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 2866-2871. PMID: 20133753, PMCID: PMC2840318, DOI: 10.1073/pnas.0914157107.Peer-Reviewed Original ResearchConceptsReceptor tyrosine kinasesTyrosine autophosphorylationKinase moleculesTyrosine kinaseFGFR1 kinase domainSpecific docking sitesAsymmetric dimer formationFibroblast growth factor receptorActivation of intracellularKinase domainOncogenic activating mutationsGrowth factor receptorMolecular basisDocking siteKinase activityBiochemical experimentsActive enzymeN-lobeC-lobeFGF receptorsFunction mutationsAutophosphorylationTransphosphorylationLiving cellsFactor receptor
2009
The Selectivity of Receptor Tyrosine Kinase Signaling Is Controlled by a Secondary SH2 Domain Binding Site
Bae JH, Lew ED, Yuzawa S, Tomé F, Lax I, Schlessinger J. The Selectivity of Receptor Tyrosine Kinase Signaling Is Controlled by a Secondary SH2 Domain Binding Site. Cell 2009, 138: 514-524. PMID: 19665973, PMCID: PMC4764080, DOI: 10.1016/j.cell.2009.05.028.Peer-Reviewed Original ResearchConceptsSH2 domainSH2 domain-mediated interactionsReceptor tyrosine kinase signalingPhosphorylation-independent mannerReceptor phosphorylation sitesDomain-mediated interactionsDomain Binding SiteSpecific cellular processesTyrosine kinase signalingParticular sequence motifsReceptor tyrosine kinasesBinding sitesTyrosine kinase domainPhosphorylation sitesCellular processesSequence motifsPhospholipase CgammaKinase signalingKinase domainTyrosine kinaseSecondary binding siteCultured cellsDomain selectivityRegulation of selectivityIndependent manner
2006
Attenuation of signaling pathways stimulated by pathologically activated FGF-receptor 2 mutants prevents craniosynostosis
Eswarakumar VP, Özcan F, Lew ED, Bae JH, Tomé F, Booth CJ, Adams DJ, Lax I, Schlessinger J. Attenuation of signaling pathways stimulated by pathologically activated FGF-receptor 2 mutants prevents craniosynostosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 18603-18608. PMID: 17132737, PMCID: PMC1693709, DOI: 10.1073/pnas.0609157103.Peer-Reviewed Original ResearchConceptsFGF receptorsDocking protein FRS2alphaCommon craniofacial abnormalitySelective uncouplingPremature fusionSkull developmentFunction mutationsDominant mutationsNormal skull developmentMurine model systemMutationsSevere bone disordersModel systemFGFR2cCraniofacial abnormalitiesCalvaria organ culturesPathwayOrgan cultureFRS2alphaSkull vaultMutantsPharmacological approachesFusionFGFRUncoupling