Milo White, MD
Assistant Professor of NeurologyAbout
Research
Publications
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
2005
Reduced mitochondrial density and increased IRS-1 serine phosphorylation in muscle of insulin-resistant offspring of type 2 diabetic parents
Morino K, Petersen KF, Dufour S, Befroy D, Frattini J, Shatzkes N, Neschen S, White MF, Bilz S, Sono S, Pypaert M, Shulman GI. Reduced mitochondrial density and increased IRS-1 serine phosphorylation in muscle of insulin-resistant offspring of type 2 diabetic parents. Journal Of Clinical Investigation 2005, 115: 3587-3593. PMID: 16284649, PMCID: PMC1280967, DOI: 10.1172/jci25151.Peer-Reviewed Original ResearchMeSH KeywordsBiopsyBlood GlucoseBlotting, WesternBody Mass IndexBody WeightDiabetes Mellitus, Type 2DNA, MitochondrialFamily HealthFemaleGene Expression RegulationGlucose Clamp TechniqueGlucose Tolerance TestHumansHyperinsulinismImmunoprecipitationInsulinInsulin Receptor Substrate ProteinsInsulin ResistanceLipidsMaleMicroscopy, ElectronMicroscopy, Electron, TransmissionMitochondriaMusclesPhosphoproteinsPhosphorylationProtein Serine-Threonine KinasesReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSerineSignal TransductionTime FactorsTranscription, GeneticTriglyceridesConceptsInsulin-resistant offspringIR offspringType 2 diabetesInsulin-stimulated muscle glucose uptakeType 2 diabetic parentsIntramyocellular lipid contentHyperinsulinemic-euglycemic clampMuscle glucose uptakeIRS-1 serine phosphorylationMuscle mitochondrial densityMitochondrial densityMuscle biopsy samplesSerine kinase cascadeInsulin-stimulated Akt activationDiabetic parentsInsulin resistanceControl subjectsBiopsy samplesGlucose uptakeLipid accumulationMitochondrial dysfunctionInsulin signalingAkt activationEarly defectsMuscle
2001
Insulin/IGF-1 and TNF-α stimulate phosphorylation of IRS-1 at inhibitory Ser307 via distinct pathways
Rui L, Aguirre V, Kim J, Shulman G, Lee A, Corbould A, Dunaif A, White M. Insulin/IGF-1 and TNF-α stimulate phosphorylation of IRS-1 at inhibitory Ser307 via distinct pathways. Journal Of Clinical Investigation 2001, 107: 181-189. PMID: 11160134, PMCID: PMC199174, DOI: 10.1172/jci10934.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnisomycinCHO CellsCricetinaeInsulinInsulin AntagonistsInsulin ResistanceInsulin-Like Growth Factor IMAP Kinase Kinase 1Mitogen-Activated Protein Kinase KinasesPhosphatidylinositol 3-KinasesPhosphorylationProtein Serine-Threonine KinasesReceptor, InsulinSerineSignal TransductionTumor Necrosis Factor-alphaTyrosineConceptsPhosphorylation of Ser307IRS-1Serine/threonine phosphorylationTNF-alpha-stimulated phosphorylationInsulin-stimulated tyrosine phosphorylationRelevant phosphorylation sitesDistinct kinase pathwaysInsulin/IGFInsulin-stimulated phosphorylationThreonine phosphorylationStimulates PhosphorylationPhosphorylation sitesJun kinaseTyrosine phosphorylationKinase pathwaySer307PhosphorylationCultured cellsDistinct pathwaysHeterologous inhibitionPolyclonal antibodiesPreadipocytesPathwayAdipocytesCells
2000
Contrasting Effects of IRS-1 Versus IRS-2 Gene Disruption on Carbohydrate and Lipid Metabolism in Vivo *
Previs S, Withers D, Ren J, White M, Shulman G. Contrasting Effects of IRS-1 Versus IRS-2 Gene Disruption on Carbohydrate and Lipid Metabolism in Vivo *. Journal Of Biological Chemistry 2000, 275: 38990-38994. PMID: 10995761, DOI: 10.1074/jbc.m006490200.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAnimalsCarbohydrate MetabolismFatty Acids, NonesterifiedFood DeprivationGas Chromatography-Mass SpectrometryGlucoseGlycerolInsulinInsulin Receptor Substrate ProteinsIntracellular Signaling Peptides and ProteinsLipid MetabolismLiverMaleMiceMusclesMutationPhenotypePhosphoproteinsRadioimmunoassayTime FactorsConceptsLipid metabolismInsulin resistanceIRS-2Glucose utilizationPlasma free fatty acid concentrationsWhole-body glucose utilizationGlycerol turnoverFree fatty acid concentrationsMarked insulin resistancePeripheral glucose metabolismPeripheral glucose utilizationHyperinsulinemic-euglycemic clampEndogenous glucose productionIRS-1Effect of insulinHepatic glycogen synthesisWT miceFatty acid concentrationsInsulin receptor substrateGlucose metabolismFasted miceAdipose tissueReduced suppressionGlucose productionMice
1998
Disruption of IRS-2 causes type 2 diabetes in mice
Withers D, Gutierrez J, Towery H, Burks D, Ren J, Previs S, Zhang Y, Bernal D, Pons S, Shulman G, Bonner-Weir S, White M. Disruption of IRS-2 causes type 2 diabetes in mice. Nature 1998, 391: 900-904. PMID: 9495343, DOI: 10.1038/36116.Commentaries, Editorials and LettersMeSH KeywordsAnimalsBlood GlucoseCloning, MolecularDiabetes Mellitus, Type 2FemaleGene TargetingHumansInsulinInsulin Receptor Substrate ProteinsInsulin ResistanceIntracellular Signaling Peptides and ProteinsIslets of LangerhansLiverMaleMiceMice, Inbred C57BLMuscle, SkeletalPhosphatidylinositol 3-KinasesPhosphoproteinsPhosphorylationReceptor, InsulinRecombination, GeneticSignal TransductionConceptsType 2 diabetesInsulin resistanceHuman type 2 diabetesPancreatic β-cell functionInsulin secretion increasesSingle molecular abnormalityΒ-cell compensationIRS-2-deficient miceΒ-cell functionHuman type 2Insulin secretionInsulin receptor substrateGlucose homeostasisSecretion increasesInsulin actionType 2DiabetesMolecular abnormalitiesProgressive deteriorationSkeletal muscleIRS-2Insulin signalingIRS-1Mild resistanceMice
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