2020
Leptin mediates postprandial increases in body temperature through hypothalamus–adrenal medulla–adipose tissue crosstalk
Perry RJ, Lyu K, Rabin-Court A, Dong J, Li X, Yang Y, Qing H, Wang A, Yang X, Shulman GI. Leptin mediates postprandial increases in body temperature through hypothalamus–adrenal medulla–adipose tissue crosstalk. Journal Of Clinical Investigation 2020, 130: 2001-2016. PMID: 32149734, PMCID: PMC7108915, DOI: 10.1172/jci134699.Peer-Reviewed Original ResearchConceptsBrown adipose tissueLeptin concentrationsBody temperatureAdrenomedullary catecholamine secretionPlasma leptin concentrationsAdipose tissue lipolysisFasting-induced reductionFeeding-induced increaseMeal ingestionPlasma catecholaminesPostprandial increaseCatecholamine secretionObese ratsTissue lipolysisLean ratsAdrenergic activationAdipose tissueTissue crosstalkWeight gainIntragastric infusionRatsLeptinBolusLipolysisFatty acids
2014
A Role for Mitochondrial Phosphoenolpyruvate Carboxykinase (PEPCK-M) in the Regulation of Hepatic Gluconeogenesis*
Stark R, Guebre-Egziabher F, Zhao X, Feriod C, Dong J, Alves TC, Ioja S, Pongratz RL, Bhanot S, Roden M, Cline GW, Shulman GI, Kibbey RG. A Role for Mitochondrial Phosphoenolpyruvate Carboxykinase (PEPCK-M) in the Regulation of Hepatic Gluconeogenesis*. Journal Of Biological Chemistry 2014, 289: 7257-7263. PMID: 24497630, PMCID: PMC3953244, DOI: 10.1074/jbc.c113.544759.Peer-Reviewed Original ResearchMeSH KeywordsAnimal FeedAnimalsBlood GlucoseFood DeprivationGene Expression Regulation, EnzymologicGene SilencingGluconeogenesisGlycerolGlycogenGuanosine TriphosphateHepatocytesHomeostasisInsulinIntracellular Signaling Peptides and ProteinsIsoenzymesLactic AcidLiverMaleMitochondriaOligonucleotides, AntisenseOxygenOxygen ConsumptionPhosphoenolpyruvate Carboxykinase (GTP)RatsRats, Sprague-Dawley
2009
The Role of Peroxisome Proliferator-Activated Receptor γ Coactivator-1 β in the Pathogenesis of Fructose-Induced Insulin Resistance
Nagai Y, Yonemitsu S, Erion DM, Iwasaki T, Stark R, Weismann D, Dong J, Zhang D, Jurczak MJ, Löffler MG, Cresswell J, Yu XX, Murray SF, Bhanot S, Monia BP, Bogan JS, Samuel V, Shulman GI. The Role of Peroxisome Proliferator-Activated Receptor γ Coactivator-1 β in the Pathogenesis of Fructose-Induced Insulin Resistance. Cell Metabolism 2009, 9: 252-264. PMID: 19254570, PMCID: PMC3131094, DOI: 10.1016/j.cmet.2009.01.011.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAnimalsDietFructoseGene ExpressionHepatocytesHumansInsulin ResistanceLiverMaleMiceOligonucleotides, AntisensePeroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alphaRatsRats, Sprague-DawleyRNA-Binding ProteinsSterol Regulatory Element Binding Protein 1Transcription FactorsConceptsInsulin resistancePeroxisome proliferator-activated receptor gamma coactivator 1 betaInsulin-stimulated whole-body glucose disposalWhole-body glucose disposalPGC-1betaTreatment of NAFLDFructose-Induced Insulin ResistanceHepatic insulin resistanceWhite adipose tissueDe novo lipogenesisSREBP-1Downstream lipogenic genesReceptor γ coactivatorGlucose disposalInsulin-stimulated statesHepatic lipogenesisNovo lipogenesisTherapeutic targetAdipose tissuePeroxisome proliferatorLipogenic genesΓ coactivatorGlucose uptakePathogenesisMetabolic phenotype
2008
N-acylphosphatidylethanolamine, a Gut- Derived Circulating Factor Induced by Fat Ingestion, Inhibits Food Intake
Gillum MP, Zhang D, Zhang XM, Erion DM, Jamison RA, Choi C, Dong J, Shanabrough M, Duenas HR, Frederick DW, Hsiao JJ, Horvath TL, Lo CM, Tso P, Cline GW, Shulman GI. N-acylphosphatidylethanolamine, a Gut- Derived Circulating Factor Induced by Fat Ingestion, Inhibits Food Intake. Cell 2008, 135: 813-824. PMID: 19041747, PMCID: PMC2643061, DOI: 10.1016/j.cell.2008.10.043.Peer-Reviewed Original ResearchConceptsFood intakeInhibits food intakeTreatment of obesityNovel therapeutic targetCentral nervous systemUnknown physiological significanceFat ingestionCirculating factorsN-acylphosphatidylethanolaminePlasma lipidsIntracerebroventricular infusionPhysiologic dosesSystemic administrationTherapeutic targetBody weightNervous systemIngested fatSmall intestineIntakeTaste aversionInfusionPhysiological significanceNanomolar amountsObesityHypothalamus
2007
Aging-Associated Reductions in AMP-Activated Protein Kinase Activity and Mitochondrial Biogenesis
Reznick RM, Zong H, Li J, Morino K, Moore IK, Yu HJ, Liu ZX, Dong J, Mustard KJ, Hawley SA, Befroy D, Pypaert M, Hardie DG, Young LH, Shulman GI. Aging-Associated Reductions in AMP-Activated Protein Kinase Activity and Mitochondrial Biogenesis. Cell Metabolism 2007, 5: 151-156. PMID: 17276357, PMCID: PMC1885964, DOI: 10.1016/j.cmet.2007.01.008.Peer-Reviewed Original ResearchConceptsIntracellular lipid metabolismMitochondrial biogenesisAMPK activityMitochondrial functionProtein kinase activityLipid metabolismProtein kinaseKinase activityAge-associated reductionBiogenesisOld ratsAMPKSkeletal muscleRecent studiesInsulin resistanceChronic activationMetabolismAcute stimulationFat oxidationImportant roleAcid feedingKinaseRatsActivityRegulation