2009
Systems‐level interactions between insulin–EGF networks amplify mitogenic signaling
Borisov N, Aksamitiene E, Kiyatkin A, Legewie S, Berkhout J, Maiwald T, Kaimachnikov NP, Timmer J, Hoek JB, Kholodenko BN. Systems‐level interactions between insulin–EGF networks amplify mitogenic signaling. Molecular Systems Biology 2009, 5: msb200919. PMID: 19357636, PMCID: PMC2683723, DOI: 10.1038/msb.2009.19.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingCell LineDose-Response Relationship, DrugDrug SynergismEnzyme ActivationEpidermal Growth FactorGRB2 Adaptor ProteinHumansImmunoprecipitationInsulinMitogen-Activated Protein KinasesMitogensModels, BiologicalPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Kinase InhibitorsProtein Tyrosine Phosphatase, Non-Receptor Type 11Ras ProteinsReproducibility of ResultsSignal TransductionSrc-Family KinasesSystems BiologyConceptsInsulin receptor substrateEpidermal growth factorRas/ERK cascadeCrosstalk mechanismsComplex cellular responsesPhosphatase SHP2Mitogenic signalingERK cascadeSrc kinaseReceptor substrateERK activityRaf levelsInsulin-induced increaseERK activationCellular responsesGab1HEK293 cellsExternal cuesEGF dosesPoor activatorGrowth factorMitogenicMitogenic responseComputational approachSHP2
2006
Scaffolding Protein Grb2-associated Binder 1 Sustains Epidermal Growth Factor-induced Mitogenic and Survival Signaling by Multiple Positive Feedback Loops*
Kiyatkin A, Aksamitiene E, Markevich NI, Borisov NM, Hoek JB, Kholodenko BN. Scaffolding Protein Grb2-associated Binder 1 Sustains Epidermal Growth Factor-induced Mitogenic and Survival Signaling by Multiple Positive Feedback Loops*. Journal Of Biological Chemistry 2006, 281: 19925-19938. PMID: 16687399, PMCID: PMC2312093, DOI: 10.1074/jbc.m600482200.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingCarcinoma, Squamous CellCell DivisionCell LineCell Line, TumorCell SurvivalEpidermal Growth FactorFeedbackGuanosine DiphosphateGuanosine TriphosphateHumansModels, BiologicalTransfectionConceptsEpidermal growth factorRas/MAPK signalingGab1 tyrosine phosphorylationGrowth factorRole of Gab1PI3K/Akt activationMultiple positive feedback loopsProtein Grb2Mutant proteinsScaffold proteinTyrosine phosphorylationBinder 1Positive feedback loopMitogenic pathwaysMAPK signalingEssential functionsSurvival signalingDiverse perturbationsCellular responsesAkt activationCytokine receptorsPharmacological inhibitorsGab1EGF dosesGrb2
2003
Tyr-317 Phosphorylation Increases Shc Structural Rigidity and Reduces Coupling of Domain Motions Remote from the Phosphorylation Site as Revealed by Molecular Dynamics Simulations*
Suenaga A, Kiyatkin AB, Hatakeyama M, Futatsugi N, Okimoto N, Hirano Y, Narumi T, Kawai A, Susukita R, Koishi T, Furusawa H, Yasuoka K, Takada N, Ohno Y, Taiji M, Ebisuzaki T, Hoek JB, Konagaya A, Kholodenko BN. Tyr-317 Phosphorylation Increases Shc Structural Rigidity and Reduces Coupling of Domain Motions Remote from the Phosphorylation Site as Revealed by Molecular Dynamics Simulations*. Journal Of Biological Chemistry 2003, 279: 4657-4662. PMID: 14613932, DOI: 10.1074/jbc.m310598200.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdaptor Proteins, Vesicular TransportBinding SitesIn Vitro TechniquesModels, MolecularPhosphorylationProtein ConformationShc Signaling Adaptor ProteinsSrc Homology DomainsThermodynamicsTyrosineConceptsPhosphotyrosine bindingTyr-317Shc phosphorylationSH2 domainC-terminal Src homology 2 domainSrc homology 2 domainRas/Raf/MEK/ERK pathwayShc adaptor proteinRaf/MEK/ERK pathwayMEK/ERK pathwayReceptor tyrosine kinasesShc functionPhosphorylated ShcPhosphorylation sitesAdaptor proteinLinker regionShcTyrosine kinaseERK pathwayMembrane receptorsPhosphorylationDomain motionMolecular dynamics simulationsNumerous partnersDomain coupling