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
2020
Insulin receptor substrates differentially exacerbate insulin-mediated left ventricular remodeling
Riehle C, Weatherford E, Wende A, Jaishy B, Seei A, McCarty N, Rech M, Shi Q, Reddy G, Kutschke W, Oliveira K, Pires K, Anderson J, Diakos N, Weiss R, White M, Drakos S, Xiang Y, Abel E. Insulin receptor substrates differentially exacerbate insulin-mediated left ventricular remodeling. JCI Insight 2020, 5: e134920. PMID: 32213702, PMCID: PMC7213803, DOI: 10.1172/jci.insight.134920.Peer-Reviewed Original ResearchConceptsTransverse aortic constrictionInsulin receptor substrate-1Left ventricular remodelingHeart failureVentricular remodelingCardiac hypertrophyTAC-induced LV hypertrophyPressure-overload cardiac hypertrophySevere LV dysfunctionInsulin receptor tyrosine kinase activityAkt1 activationReceptor tyrosine kinase activityLV dysfunctionLV hypertrophyWT miceInsulin resistanceLV remodelingAortic constrictionProinflammatory responseProtein kinase GInsulin receptor substrateReceptor substrate-1Kinomic profilingWT controlsTyrosine kinase activity
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
The 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
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