Featured Publications
The P300 acetyltransferase inhibitor C646 promotes membrane translocation of insulin receptor protein substrate and interaction with the insulin receptor
Peng J, Ramatchandirin B, Wang Y, Pearah A, Namachivayam K, Wolf R, Steele K, MohanKumar K, Yu L, Guo S, White M, Maheshwari A, He L. The P300 acetyltransferase inhibitor C646 promotes membrane translocation of insulin receptor protein substrate and interaction with the insulin receptor. Journal Of Biological Chemistry 2022, 298: 101621. PMID: 35074429, PMCID: PMC8850660, DOI: 10.1016/j.jbc.2022.101621.Peer-Reviewed Original ResearchConceptsAbsence of insulinP300 acetyltransferase activityTyrosine kinase activityAcetyltransferase activityInsulin receptorObese patientsTyrosine phosphorylationRole of acetylationInsulinNormal functionMembrane translocationSubsequent activationC646PatientsLiver hepatocytesProtein substratesInhibitionReceptorsMolecular mechanismsHepatocytesPhosphorylationBeta subunitKinase activityObesityUnique effects
2005
Molecular mechanism(s) of burn-induced insulin resistance in murine skeletal muscle: Role of IRS phosphorylation
Zhang Q, Carter E, Ma B, White M, Fischman A, Tompkins R. Molecular mechanism(s) of burn-induced insulin resistance in murine skeletal muscle: Role of IRS phosphorylation. Life Sciences 2005, 77: 3068-3077. PMID: 15982669, DOI: 10.1016/j.lfs.2005.02.034.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBurnsDisease Models, AnimalEnzyme ActivationHindlimbInsulin Receptor Substrate ProteinsInsulin ResistanceJNK Mitogen-Activated Protein KinasesMaleMAP Kinase Kinase 4MiceMitogen-Activated Protein Kinase KinasesMuscle, SkeletalPhosphatidylinositol 3-KinasesPhosphoproteinsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktReceptor, InsulinSignal TransductionConceptsInsulin receptor substrate-1Burn-induced insulin resistanceAkt kinase activityIRS-1 proteinSAPK/JNKSerine 307Kinase activitySkeletal muscleReceptor substrate-1Murine skeletal muscleHind limb skeletal muscleStress kinasesKey proteinsSubstrate-1Biochemical basisPhosphorylationIRS phosphorylationKinase enzymeProteinEnzyme activityJNKLimb skeletal muscleProtein contentInsulin resistanceKinase
2000
IRS-4 Mediates Protein Kinase B Signaling during Insulin Stimulation without Promoting Antiapoptosis
Uchida T, Myers M, White M. IRS-4 Mediates Protein Kinase B Signaling during Insulin Stimulation without Promoting Antiapoptosis. Molecular And Cellular Biology 2000, 20: 126-138. PMID: 10594015, PMCID: PMC85068, DOI: 10.1128/mcb.20.1.126-138.2000.Peer-Reviewed Original ResearchConceptsPKB/AktProtein kinase BIRS-1IRS-2IRS-4Insulin stimulationGrb-2Bad phosphorylationInsulin-stimulated mitogen-activated protein kinase activityInsulin receptor substrate (IRS) proteinsProtein kinase B signalingMitogen-activated protein kinase activityProtein kinase activityHuman insulin receptorPhosphorylation of BadKinase B signalingSubstrate proteinsMyeloid progenitor cellsApoptosis of cellsKinase activityKinase BPhosphatidylinositolInsulin receptorInterleukin-3Phosphorylation
1999
Differential Modulation of the Tyrosine Phosphorylation State of the Insulin Receptor by IRS (Insulin Receptor Subunit) Proteins
Solow B, Harada S, Goldstein B, Smith J, White M, Jarett L. Differential Modulation of the Tyrosine Phosphorylation State of the Insulin Receptor by IRS (Insulin Receptor Subunit) Proteins. Endocrinology 1999, 13: 1784-1798. PMID: 10517679, DOI: 10.1210/mend.13.10.0361.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdaptor Proteins, Vesicular TransportAmino Acid MotifsAnimalsInsulinInsulin Receptor Substrate ProteinsMicePhosphatidylinositol 3-KinasesPhosphoproteinsPhosphorylationProtein Tyrosine PhosphatasesProteinsReceptor, InsulinRecombinant ProteinsSequence DeletionShc Signaling Adaptor ProteinsSignal TransductionSrc Homology 2 Domain-Containing, Transforming Protein 1Stem CellsTyrosineVanadatesConceptsInsulin receptor phosphorylationTyrosine kinase activityInsulin receptor tyrosine phosphorylationReceptor tyrosine phosphorylationTyrosine phosphorylationKinase activityIRS-1IRS-2Receptor phosphorylationInsulin receptorTyrosine-phosphorylated IRS-1Insulin stimulationProtein tyrosine phosphatase activityTyrosine phosphorylation stateProtein tyrosine phosphataseReceptor tyrosine kinase activityReceptor kinase activityInsulin receptor kinase activityInsulin receptor subunitsIRS proteinsPervanadate treatmentPhosphorylation stateDownstream eventsInsulin actionTyrosine residues
1998
Differential Regulation of Insulin Receptor Substrate-2 and Mitogen-Activated Protein Kinase Tyrosine Phosphorylation by Phosphatidylinositol 3-Kinase Inhibitors in SH-SY5Y Human Neuroblastoma Cells**This work was supported by NIH Grants R29-NS-32843 and R01-NS-36778, grants from the American Diabetes Association and Juvenile Diabetes Foundation (to E.L.F.), and a grant from the Millie Schembechler Adrenal Research Fund of the University of Michigan Comprehensive Cancer Center (to E.L.F. and P.S.L.).
Kim B, Leventhal P, White M, Feldman E. Differential Regulation of Insulin Receptor Substrate-2 and Mitogen-Activated Protein Kinase Tyrosine Phosphorylation by Phosphatidylinositol 3-Kinase Inhibitors in SH-SY5Y Human Neuroblastoma Cells**This work was supported by NIH Grants R29-NS-32843 and R01-NS-36778, grants from the American Diabetes Association and Juvenile Diabetes Foundation (to E.L.F.), and a grant from the Millie Schembechler Adrenal Research Fund of the University of Michigan Comprehensive Cancer Center (to E.L.F. and P.S.L.). Endocrinology 1998, 139: 4881-4889. DOI: 10.1210/en.139.12.4881.Peer-Reviewed Original ResearchIRS-2 tyrosine phosphorylationInsulin receptor substrate-2PI 3-K inhibitorsPI-3KTyrosine phosphorylationMitogen-activated protein kinase activationProtein kinase activityPhosphorylation of insulin receptor substrate-2Kinase activityAssociation of Grb2SH-SY5YSH-SY5Y human neuroblastoma cellsNeurite outgrowthPhosphatidylinositol 3-kinasePhosphatidylinositol 3-kinase inhibitorDownstream signaling moleculesSurvival of neuronal cellsHuman neuroblastoma cellsSerine/threonine phosphorylationIRS-1Negative regulatorGrb2Signaling moleculesDifferential regulationPhosphorylationThe IRS-signalling system: A network of docking proteins that mediate insulin action
White M. The IRS-signalling system: A network of docking proteins that mediate insulin action. Molecular And Cellular Biochemistry 1998, 182: 3-11. PMID: 9609109, DOI: 10.1023/a:1006806722619.Peer-Reviewed Original ResearchConceptsIRS proteinsTyrosine phosphorylationIntrinsic protein tyrosine kinase activityProtein tyrosine kinase activityInsulin-stimulated tyrosine phosphorylationTyrosine kinase activityDocking proteinKinase activityInsulin actionCellular substratesTyrosine kinaseTransmembrane glycoproteinInsulin receptorBiological responsesPhosphorylationGrowth factorComplete understandingNew moleculesTransductionKinaseType II diabetesProteinEnzymeMoleculesII diabetesThe IRS-signalling system: A network of docking proteins that mediate insulin action
White M. The IRS-signalling system: A network of docking proteins that mediate insulin action. Developments In Molecular And Cellular Biochemistry 1998, 3-11. DOI: 10.1007/978-1-4615-5647-3_1.Peer-Reviewed Original ResearchIRS proteinsTyrosine phosphorylationIntrinsic protein tyrosine kinase activityProtein tyrosine kinase activityInsulin-stimulated tyrosine phosphorylationTyrosine kinase activityDocking proteinKinase activityInsulin actionCellular substratesTyrosine kinaseTransmembrane glycoproteinInsulin receptorBiological responsesPhosphorylationGrowth factorComplete understandingNew moleculesTransductionKinaseType II diabetesProteinEnzymeMoleculesII diabetes
1997
Activation of the phosphatidylinositol 3-kinase serine kinase by IFN-alpha.
Uddin S, Fish E, Sher D, Gardziola C, White M, Platanias L. Activation of the phosphatidylinositol 3-kinase serine kinase by IFN-alpha. The Journal Of Immunology 1997, 158: 2390-7. PMID: 9036989, DOI: 10.4049/jimmunol.158.5.2390.Peer-Reviewed Original ResearchConceptsSerine kinaseTreatment of cellsIRS-1Kinase assaysSerine kinase activityDual-specificity enzymeP85 regulatory subunitReceptor-generated signalsIRS-1 proteinJak-1 kinasesIFN-alpha-induced activationProtein associatesP85 subunitPhosphoaminoacid analysisRegulatory subunitSerine residuesSerine phosphorylationTyrosine phosphorylationTyk-2STAT-2MAP kinaseKinase activityPretreatment of cellsInhibitor wortmanninPhosphatidylinositol
1996
Tumor Necrosis Factor (TNF)-α Inhibits Insulin Signaling through Stimulation of the p55 TNF Receptor and Activation of Sphingomyelinase*
Peraldi P, Hotamisligil G, Buurman W, White M, Spiegelman B. Tumor Necrosis Factor (TNF)-α Inhibits Insulin Signaling through Stimulation of the p55 TNF Receptor and Activation of Sphingomyelinase*. Journal Of Biological Chemistry 1996, 271: 13018-13022. PMID: 8662983, DOI: 10.1074/jbc.271.22.13018.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAdipocytesAnimalsAntigens, CDCell LineCeramidesEnzyme ActivationHumansInsulinInsulin Receptor Substrate ProteinsMicePhosphoproteinsPhosphorylationReceptor, InsulinReceptors, Tumor Necrosis FactorReceptors, Tumor Necrosis Factor, Type ISignal TransductionSphingomyelin PhosphodiesteraseTumor Necrosis Factor-alphaTyrosineConceptsInsulin receptor substrate-1Myeloid 32D cellsInsulin receptorP55 TNF receptorP75 TNF receptorTyrosine phosphorylationInhibits InsulinIRS-2Insulin-dependent tyrosine phosphorylationTNF receptorIRS-1 tyrosine phosphorylationTNF-alphaIR tyrosine kinaseReceptor substrate-1Tyrosine kinase activityNecrosis factorActivation of sphingomyelinaseSerine phosphorylationBiological functionsKinase activitySubstrate-1Tyrosine kinaseExogenous sphingomyelinaseMurine TNF-alphaTumor necrosis factorInsulin 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