2004
IRS‐2 mediates the antiapoptotic effect of insulin in neonatal hepatocytes
Valverde A, Fabregat I, Burks D, White M, Benito M. IRS‐2 mediates the antiapoptotic effect of insulin in neonatal hepatocytes. Hepatology 2004, 40: 1285-1294. PMID: 15565601, DOI: 10.1002/hep.20485.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisApoptosis Regulatory ProteinsBcl-2-Like Protein 11Bcl-X ProteinBlood ProteinsCarrier ProteinsEpidermal Growth FactorFemaleForkhead Box Protein O1Forkhead Transcription FactorsGene ExpressionHepatocytesHypoglycemic AgentsInsulinInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsMaleMembrane ProteinsMiceMice, Mutant StrainsPhosphatidylinositol 3-KinasesPhosphoproteinsPregnancyProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktProto-Oncogene Proteins c-bcl-2Signal TransductionTranscription FactorsConceptsCaspase-3 activityIRS-2Caspase-3 activationGene expressionWild-type hepatocytesDominant negative FoxO1Wild-type cellsSerum withdrawal-induced apoptosisInsulin receptor substrateWithdrawal-induced apoptosisAnti-apoptotic gene expressionImmortalized hepatocyte cell linesIRS-2 signalingPIP3 generationProapoptotic gene expressionAntiapoptotic gene expressionProlonged insulin treatmentEpidermal growth factorActive FoxO1Receptor substrateNeonatal hepatocytesProapoptotic genesAntiapoptotic genesCaspase-8Serum withdrawalDisruption of the SH2-B Gene Causes Age-Dependent Insulin Resistance and Glucose Intolerance
Duan C, Yang H, White M, Rui L. Disruption of the SH2-B Gene Causes Age-Dependent Insulin Resistance and Glucose Intolerance. Molecular And Cellular Biology 2004, 24: 7435-7443. PMID: 15314154, PMCID: PMC506995, DOI: 10.1128/mcb.24.17.7435-7443.2004.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdipose TissueAgingAnimalsBlood GlucoseCarrier ProteinsCell LineDietary FatsGlucose IntoleranceHomeostasisHumansInsulinInsulin Receptor Substrate ProteinsInsulin ResistanceIntracellular Signaling Peptides and ProteinsIslets of LangerhansLiverMaleMiceMice, Inbred StrainsMice, KnockoutMitogen-Activated Protein KinasesMuscle, SkeletalPhosphatidylinositol 3-KinasesPhosphoproteinsProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktReceptor, InsulinSignal TransductionConceptsSrc homology 2Insulin receptor substrate-1Insulin receptor activationInsulin receptorTyrosine phosphorylationSH2 domain-dependent mannerPleckstrin homology domain-containing adaptor proteinDomain-containing adaptor proteinDomain-dependent mannerReceptor substrate-1Skeletal muscleSH2 domainHomology 2Adaptor proteinReceptor activationSubstrate-1Physiological roleCultured cellsGlucose homeostasisERK1/2 pathwayDependent insulin resistancePhysiological enhancerSystemic deletionPhosphorylationIRS2
2002
SOCS-1 and SOCS-3 Block Insulin Signaling by Ubiquitin-mediated Degradation of IRS1 and IRS2*
Rui L, Yuan M, Frantz D, Shoelson S, White M. SOCS-1 and SOCS-3 Block Insulin Signaling by Ubiquitin-mediated Degradation of IRS1 and IRS2*. Journal Of Biological Chemistry 2002, 277: 42394-42398. PMID: 12228220, DOI: 10.1074/jbc.c200444200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarrier ProteinsElonginGlucoseHomeostasisHumansInsulin Receptor Substrate ProteinsInsulin ResistanceIntracellular Signaling Peptides and ProteinsMaleMiceMice, Inbred C57BLPhosphoproteinsProteinsRepressor ProteinsSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling 3 ProteinSuppressor of Cytokine Signaling ProteinsTranscription FactorsUbiquitinConceptsUbiquitin ligase complexCritical signaling moleculesIRS2 protein levelsDegradation of IRS1Multiple cell typesIRS proteinsSOCS boxSOCS proteinsNutrient homeostasisUbiquitin ligaseSignaling moleculesInflammation-induced insulin resistanceInsulin signalingSOCS-1Expression of SOCS1Cell typesSubsequent degradationHepatic Irs1IRS1IRS2General mechanismUbiquitinationProtein levelsSOCS1Mutants
1997
Calmodulin Activates Phosphatidylinositol 3-Kinase*
Joyal J, Burks D, Pons S, Matter W, Vlahos C, White M, Sacks D. Calmodulin Activates Phosphatidylinositol 3-Kinase*. Journal Of Biological Chemistry 1997, 272: 28183-28186. PMID: 9353264, DOI: 10.1074/jbc.272.45.28183.Peer-Reviewed Original ResearchConceptsSrc homology 2 domainIntact cellsPhosphorylation of phosphatidylinositolActivates PhosphatidylinositolVesicular traffickingEukaryotic cellsEffector proteinsRegulatory subunitCytoskeletal organizationUbiquitous Ca2PhosphatidylinositolIntracellular eventsNovel mechanismAffinity chromatographyGrowth factorCalmodulinCalmodulin antagonistsMultiple processesCellsCoimmunoprecipitationDirect linkPhosphorylationTraffickingSubunitsCa2
1996
Stimulation of Protein Synthesis, Eukaryotic Translation Initiation Factor 4E Phosphorylation, and PHAS-I Phosphorylation by Insulin Requires Insulin Receptor Substrate 1 and Phosphatidylinositol 3-Kinase
Mendez R, Myers M, White M, Rhoads R. Stimulation of Protein Synthesis, Eukaryotic Translation Initiation Factor 4E Phosphorylation, and PHAS-I Phosphorylation by Insulin Requires Insulin Receptor Substrate 1 and Phosphatidylinositol 3-Kinase. Molecular And Cellular Biology 1996, 16: 2857-2864. PMID: 8649395, PMCID: PMC231278, DOI: 10.1128/mcb.16.6.2857.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCalcium-Calmodulin-Dependent Protein KinasesCarrier ProteinsCell Cycle ProteinsCell LineEukaryotic Initiation Factor-4EGRB2 Adaptor ProteinHumansInsulinInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsPeptide Initiation FactorsPhosphatidylinositol 3-KinasesPhosphoproteinsPhosphorylationPhosphotransferases (Alcohol Group Acceptor)Protein BiosynthesisProtein Serine-Threonine KinasesProtein Tyrosine Phosphatase, Non-Receptor Type 11Protein Tyrosine Phosphatase, Non-Receptor Type 6Protein Tyrosine PhosphatasesProteinsReceptor, InsulinRibosomal Protein S6 KinasesRNA, MessengerConceptsMitogen-activated protein kinaseProtein synthesisInsulin receptorSH-PTP2IRS-1IRS-1 variantProtein kinasePp70S6KEukaryotic translation initiation factor 4E phosphorylationMyeloid progenitor cell lineTyr residuesRecruitment of mRNAInsulin receptor substrate-1Cap-binding proteinPhosphorylation of eIF4EEndogenous insulin receptorsPHAS-I phosphorylationActivation of phosphatidylinositolReceptor substrate-1Insulin receptor substrateProgenitor cell lineGrowth-regulating proteinsCell linesGeneral protein synthesisElongation factor