2013
Insulin receptor substrate signaling suppresses neonatal autophagy in the heart
Riehle C, Wende A, Sena S, Pires K, Pereira R, Zhu Y, Bugger H, Frank D, Bevins J, Chen D, Perry C, Dong X, Valdez S, Rech M, Sheng X, Weimer B, Gottlieb R, White M, Abel E. Insulin receptor substrate signaling suppresses neonatal autophagy in the heart. Journal Of Clinical Investigation 2013, 123: 5319-5333. PMID: 24177427, PMCID: PMC3859408, DOI: 10.1172/jci71171.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsAnimalsApoptosisApoptosis Regulatory ProteinsAutophagyBeclin-1Cardiomyopathy, DilatedFetal HeartHeartHeart FailureInsulinInsulin Receptor Substrate ProteinsInsulin-Like Growth Factor IMiceMitochondria, HeartMyocytes, CardiacOxidative PhosphorylationPhosphorylationProtein Processing, Post-TranslationalReceptor, IGF Type 1Signal TransductionTOR Serine-Threonine KinasesConceptsInsulin receptor substrateInduction of autophagyActivation of mTORIGF-1R signalingPostnatal cardiac developmentUnrestrained autophagyCardiomyocyte-specific deletionGenetic suppressionCardiac developmentReceptor substrateIGF-1 receptorEssential adaptationProsurvival signalingAutophagic fluxAutophagy suppressionAutophagyMitochondrial dysfunctionMammalian heartPhysiological suppressionNeonatal starvationAutophagic activationSignalingIRS1IRS2Insulin action
2008
Structural and biochemical characterization of the KRLB region in insulin receptor substrate-2
Wu J, Tseng Y, Xu C, Neubert T, White M, Hubbard S. Structural and biochemical characterization of the KRLB region in insulin receptor substrate-2. Nature Structural & Molecular Biology 2008, 15: 251-258. PMID: 18278056, DOI: 10.1038/nsmb.1388.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCHO CellsCricetinaeCricetulusCrystallography, X-RayHumansInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsMiceModels, MolecularMolecular Sequence DataMutationPhosphoproteinsPhosphorylationPhosphotyrosineProtein BindingProtein Structure, TertiaryProtein-Tyrosine KinasesReceptor, IGF Type 1Structure-Activity RelationshipSubstrate SpecificityConceptsInsulin receptorPleckstrin homology domainCrucial adaptor proteinTwo-hybrid studiesInsulin receptor kinaseKinase active siteInsulin receptor substrate 2C-terminal regionTyrosine kinase domainPrevious yeastThreonine phosphorylationHomology domainAdaptor proteinReceptor kinaseKinase domainTyrosine phosphorylationBiochemical characterizationRegion functionsSubstrate 2Binding regionsPhosphorylationKinase inhibitionFactor 1IRS2Insulin-like growth factor-1
2003
Insulin Receptor Substrate-2 Deficiency Impairs Brain Growth and Promotes Tau Phosphorylation
Schubert M, Brazil D, Burks D, Kushner J, Ye J, Flint C, Farhang-Fallah J, Dikkes P, Warot X, Rio C, Corfas G, White M. Insulin Receptor Substrate-2 Deficiency Impairs Brain Growth and Promotes Tau Phosphorylation. Journal Of Neuroscience 2003, 23: 7084-7092. PMID: 12904469, PMCID: PMC6740672, DOI: 10.1523/jneurosci.23-18-07084.2003.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsApoptosisBody WeightBrainCell CountCell DivisionCell SurvivalCells, CulturedCerebellumCrosses, GeneticEnzyme InhibitorsHeterozygoteIn Situ Nick-End LabelingInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsMiceMice, KnockoutNeuronsOrgan SizePhosphoproteinsPhosphorylationReceptor, IGF Type 1Signal TransductionTau ProteinsConceptsMolecular linkInsulin receptor substrate (IRS) proteinsBrain growthNeurodegenerative diseasesPancreatic beta-cell functionPeripheral insulin actionSubstrate proteinsBeta-cell functionTyrosine phosphorylationLike growth factorIrs2 branchInsulin resistanceTau phosphorylationIRS2 geneNeuronal proliferationInsulin actionMouse brainInsulin-IGFGrowth factorPhosphorylationIRS2DiabetesBody growthDiseaseMice
2002
Defective insulin secretion in pancreatic β cells lacking type 1 IGF receptor
Xuan S, Kitamura T, Nakae J, Politi K, Kido Y, Fisher P, Morroni M, Cinti S, White M, Herrera P, Accili D, Efstratiadis A. Defective insulin secretion in pancreatic β cells lacking type 1 IGF receptor. Journal Of Clinical Investigation 2002, 110: 1011-1019. PMID: 12370279, PMCID: PMC151144, DOI: 10.1172/jci15276.Peer-Reviewed Original ResearchConceptsType 1 IGF receptorBeta-cell massDefective insulin secretionInsulin secretionIGF receptorInsulin releaseInadequate compensatory increaseGlucose-dependent insulin releaseBeta-cell proliferationAge-dependent impairmentPancreatic β-cellsGlucose toleranceDecrease of glucoseBeta cellsType 2Compensatory increaseCell massΒ-cellsReceptor tyrosine kinasesSecretionCell proliferationAntiapoptotic roleReceptorsTyrosine kinaseConditional mutagenesis
1999
Irs-2 coordinates Igf-1 receptor-mediated β-cell development and peripheral insulin signalling
Withers D, Burks D, Towery H, Altamuro S, Flint C, White M. Irs-2 coordinates Igf-1 receptor-mediated β-cell development and peripheral insulin signalling. Nature Genetics 1999, 23: 32-40. PMID: 10471495, DOI: 10.1038/12631.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsApoptosisBlood GlucoseBody WeightFemaleGene Expression Regulation, DevelopmentalGlucose Tolerance TestInsulinInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsIslets of LangerhansLiverMaleMiceMice, KnockoutMuscle, SkeletalPancreasPhosphoproteinsReceptor, IGF Type 1Signal TransductionTime FactorsConceptsIGF-1 receptorΒ-cell developmentIGF-1Glucose homeostasisΒ-cellsPeripheral insulin resistancePeripheral target tissuesEffect of insulinPancreatic β-cellsPeripheral insulinInsulin resistanceInsulin receptor substratePost-natal growthGlucose metabolismNull allelesTarget tissuesInsulinMiceReceptor substrateIR-1Carbohydrate metabolismReceptorsSurvivalCell growthPleiotropic effects
1997
Interaction of wild type and dominant-negative p55PIK regulatory subunit of phosphatidylinositol 3-kinase with insulin-like growth factor-1 signaling proteins.
Mothe I, Delahaye L, Filloux C, Pons S, White M, Van Obberghen E. Interaction of wild type and dominant-negative p55PIK regulatory subunit of phosphatidylinositol 3-kinase with insulin-like growth factor-1 signaling proteins. Endocrinology 1997, 11: 1911-23. PMID: 9415396, DOI: 10.1210/mend.11.13.0029.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesBiological TransportFungal ProteinsGenes, ReporterGlucoseInsulinInsulin Receptor Substrate ProteinsInsulin-Like Growth Factor IMutagenesis, Site-DirectedPhosphatidylinositol 3-KinasesPhosphoproteinsPhosphorylationPrecipitin TestsReceptor, IGF Type 1Recombinant Fusion ProteinsSaccharomyces cerevisiaeSignal TransductionConceptsTwo-hybrid systemInsulin receptor substrate-1Receptor substrate-1Regulatory subunitSubstrate-1Src homology 2 domainInter-SH2 domainProtein-protein interactionsInhibitor of PIAmino acids 203Dominant negative mutantInsulin-stimulated glucose transportIGF-IRInsulin-like growth factor 1 receptorNH2 terminus regionDominant negative actionGrowth factor 1 receptorP110alpha catalytic subunitIGF-I stimulationSH2 domainFactor 1 receptorCatalytic subunitTyrosine phosphorylationWild typeP55PIKJanus Kinase-dependent Activation of Insulin Receptor Substrate 1 in Response to Interleukin-4, Oncostatin M, and the Interferons*
Burfoot M, Rogers N, Watling D, Smith J, Pons S, Paonessaw G, Pellegrini S, White M, Kerr I. Janus Kinase-dependent Activation of Insulin Receptor Substrate 1 in Response to Interleukin-4, Oncostatin M, and the Interferons*. Journal Of Biological Chemistry 1997, 272: 24183-24190. PMID: 9305869, DOI: 10.1074/jbc.272.39.24183.Peer-Reviewed Original ResearchConceptsInsulin receptor substrate-1Receptor substrate-1IRS-1IRS proteinsOncostatin MSubstrate-1Protein tyrosine kinasesKinase-dependent activationActivation of phosphatidylinositolJanus kinase (JAK) familyMutant cell linesHuman fibrosarcoma cell lineCell linesInsulin-like growth factor receptorHuman fibrosarcoma cellsKinase familyGrowth factor receptorFibrosarcoma cell lineIRS-2Cytokine receptorsType I interferonJAK1PhosphorylationAntiviral responseFibrosarcoma cells
1996
Insulin Receptor Substrate-2 Binds to the Insulin Receptor through Its Phosphotyrosine-binding Domain and through a Newly Identified Domain Comprising Amino Acids 591–786 (∗)
Sawka-Verhelle D, Tartare-Deckert S, White M, Van Obberghen E. Insulin Receptor Substrate-2 Binds to the Insulin Receptor through Its Phosphotyrosine-binding Domain and through a Newly Identified Domain Comprising Amino Acids 591–786 (∗). Journal Of Biological Chemistry 1996, 271: 5980-5983. PMID: 8626379, DOI: 10.1074/jbc.271.11.5980.Peer-Reviewed Original ResearchConceptsTwo-hybrid systemIRS-2IRS-1Insulin receptorNPEY motifNPXY motifPhosphotyrosine-binding (PTB) domainPleckstrin homology domainTyrosine phosphorylation sitesActivated insulin receptorInsulin receptor kinaseIRS-2 phosphorylationReceptor tyrosine kinase activityTyrosine kinase activityAmino acids 591IRS proteinsHomology domainPhosphorylation sitesInteraction domainReceptor kinaseCytoplasmic portionBinding domainsKinase activityRegulatory loopNH2 terminus