2021
335-OR: Lipid-Induced Insulin Resistance in the Renal Cortex Is Associated with Plasma Membrane Sn-1,2-diacylglycerol Accumulation and PKCe Translocation
HUBBARD B, GASPAR R, ZHANG D, KAHN M, NASIRI A, ZHANG X, CLINE G, SHULMAN G. 335-OR: Lipid-Induced Insulin Resistance in the Renal Cortex Is Associated with Plasma Membrane Sn-1,2-diacylglycerol Accumulation and PKCe Translocation. Diabetes 2021, 70 DOI: 10.2337/db21-335-or.Peer-Reviewed Original ResearchHigh-fat dietInsulin receptorInsulin resistanceLipid-induced insulin resistanceRC miceProtein kinase CεRegular chowHFD miceRenal cortexCitrate synthase fluxHyperinsulinemic-euglycemic clamp conditionsAktS473 phosphorylationFatty acid fluxPyruvate oxidationPKCε translocationPyruvate dehydrogenase fluxPhosphorylationDiacylglycerol accumulationHFD feedingFat dietSpouse/partnerFold increaseSynthase fluxTranslocationIonis Pharmaceuticals
2020
NLRX1 Deletion Increases Ischemia-Reperfusion Damage and Activates Glucose Metabolism in Mouse Heart
Zhang H, Xiao Y, Nederlof R, Bakker D, Zhang P, Girardin SE, Hollmann MW, Weber NC, Houten SM, van Weeghel M, Kibbey RG, Zuurbier CJ. NLRX1 Deletion Increases Ischemia-Reperfusion Damage and Activates Glucose Metabolism in Mouse Heart. Frontiers In Immunology 2020, 11: 591815. PMID: 33362773, PMCID: PMC7759503, DOI: 10.3389/fimmu.2020.591815.Peer-Reviewed Original ResearchConceptsIschemia-reperfusion injuryNOD-like receptorsMouse heartsKO heartsGlucose metabolismCardiac ischemia-reperfusion injuryIschemia-reperfusion damageMin of reperfusionCardiac IR injurySurvival pathwaysPro-inflammatory memberCardiac glucose metabolismInnate immune systemCardiac oxygen consumptionFatty acid oxidationInflammatory parametersPyruvate dehydrogenase fluxIR injuryEarly reperfusionInflammatory mediatorsMin reperfusionSevere ischemiaC-palmitateImmune systemReperfusion
2019
Obesity-associated, but not obesity-independent, tumors respond to insulin by increasing mitochondrial glucose oxidation
Rabin-Court A, Rodrigues MR, Zhang XM, Perry RJ. Obesity-associated, but not obesity-independent, tumors respond to insulin by increasing mitochondrial glucose oxidation. PLOS ONE 2019, 14: e0218126. PMID: 31188872, PMCID: PMC6561592, DOI: 10.1371/journal.pone.0218126.Peer-Reviewed Original ResearchMeSH KeywordsAlanineBreast NeoplasmsCell Line, TumorCitrate (si)-SynthaseColonic NeoplasmsFemaleGene Expression RegulationGlucoseGlutamic AcidHumansInsulinIsotope LabelingKetone OxidoreductasesLymphoma, B-CellMaleMelanomaMitochondriaObesityOrgan SpecificityOxidation-ReductionPhosphorylationProstatic NeoplasmsReceptor, InsulinSignal TransductionSkin NeoplasmsSmall Cell Lung CarcinomaConceptsCell divisionTumor cell linesCell linesMitochondrial glucose oxidationTumor typesObesity-driven insulin resistanceSubstrate preferenceMolecular mechanismsDose-dependent increaseGlucose oxidationPhysiologic insulinPyruvate dehydrogenase fluxWorse prognosisInsulin resistanceStable isotope methodObesityOxidative responsePhysiologic concentrationsSynthase fluxInsulinMetabolic signaturesTumor cellsTumorsDivisionLines
2018
Metabolic Inflexibility Revisited—Muscle Substrate Oxidation Is Mechanistically Dissociated from Muscle Insulin Resistance in Rats
SONG J, PERRY R, MUNK A, ZHANG Y, ZHANG D, SHULMAN G. Metabolic Inflexibility Revisited—Muscle Substrate Oxidation Is Mechanistically Dissociated from Muscle Insulin Resistance in Rats. Diabetes 2018, 67 DOI: 10.2337/db18-240-lb.Peer-Reviewed Original ResearchInsulin-resistant ratsMuscle insulin resistanceHigh-fat dietResistant ratsInsulin resistanceNormal ratsSoleus muscleLipid-induced muscle insulin resistanceSkeletal muscle insulin resistancePeripheral glucose metabolismHyperinsulinemic-euglycemic clampPathogenesis of obesityMuscle insulin sensitivityGlucose oxidationMuscle glucose transportAcute infusionPyruvate dehydrogenase fluxSubstrate oxidationFat dietMuscle glucoseInsulin sensitivityAcute modulationGlucose metabolismFat oxidationTissue-specific indices
2011
Regulation of hepatic fat and glucose oxidation in rats with lipid‐induced hepatic insulin resistance
Alves TC, Befroy DE, Kibbey RG, Kahn M, Codella R, Carvalho RA, Petersen K, Shulman GI. Regulation of hepatic fat and glucose oxidation in rats with lipid‐induced hepatic insulin resistance. Hepatology 2011, 53: 1175-1181. PMID: 21400553, PMCID: PMC3077048, DOI: 10.1002/hep.24170.Peer-Reviewed Original ResearchConceptsLipid-induced hepatic insulin resistanceHepatic insulin resistanceInsulin resistanceTricarboxylic acid fluxFatty acid oxidationPyruvate dehydrogenaseHyperinsulinemic-euglycemic clampHyperinsulinemic-hyperglycemic clampInfusion of somatostatinSubstrate availabilityHigh-fat dietPlasma glucose concentrationRegulationCritical rolePyruvate dehydrogenase fluxHepatic fatHyperglycemic clampAcid oxidationAwake ratsBasal concentrations
2009
Recurrent Antecedent Hypoglycemia Alters Neuronal Oxidative Metabolism In Vivo
Jiang L, Herzog RI, Mason GF, de Graaf RA, Rothman DL, Sherwin RS, Behar KL. Recurrent Antecedent Hypoglycemia Alters Neuronal Oxidative Metabolism In Vivo. Diabetes 2009, 58: 1266-1274. PMID: 19276443, PMCID: PMC2682668, DOI: 10.2337/db08-1664.Peer-Reviewed Original ResearchConceptsAntecedent recurrent hypoglycemiaAcute hypoglycemiaRecurrent hypoglycemiaEuglycemic conditionsGlucose utilizationRecurrent insulin-induced hypoglycemiaWhole-brain glucose metabolismNeuronal oxidative metabolismInsulin-induced hypoglycemiaHyperinsulinemic-hypoglycemic clampAntecedent hypoglycemiaPyruvate dehydrogenase fluxHigh glucose utilizationBrain metabolismRat modelHypoglycemiaGlucose metabolismHypoglycemic conditionsBrain metabolitesBrain functionTricarboxylic acid cycle activityOxidative metabolismEnergy substratesEuglycemiaInfusion
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