2011
Peroxisome proliferation–associated control of reactive oxygen species sets melanocortin tone and feeding in diet-induced obesity
Diano S, Liu ZW, Jeong JK, Dietrich MO, Ruan HB, Kim E, Suyama S, Kelly K, Gyengesi E, Arbiser JL, Belsham DD, Sarruf DA, Schwartz MW, Bennett AM, Shanabrough M, Mobbs CV, Yang X, Gao XB, Horvath TL. Peroxisome proliferation–associated control of reactive oxygen species sets melanocortin tone and feeding in diet-induced obesity. Nature Medicine 2011, 17: 1121-1127. PMID: 21873987, PMCID: PMC3388795, DOI: 10.1038/nm.2421.Peer-Reviewed Original ResearchHigh-fat feeding promotes obesity via insulin receptor/PI3K-dependent inhibition of SF-1 VMH neurons
Klöckener T, Hess S, Belgardt BF, Paeger L, Verhagen LA, Husch A, Sohn JW, Hampel B, Dhillon H, Zigman JM, Lowell BB, Williams KW, Elmquist JK, Horvath TL, Kloppenburg P, Brüning JC. High-fat feeding promotes obesity via insulin receptor/PI3K-dependent inhibition of SF-1 VMH neurons. Nature Neuroscience 2011, 14: 911-918. PMID: 21642975, PMCID: PMC3371271, DOI: 10.1038/nn.2847.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAge FactorsAnimalsAnimals, NewbornBlood GlucoseBody WeightCalorimetryDietary FatsDose-Response Relationship, DrugEatingEnzyme InhibitorsEnzyme-Linked Immunosorbent AssayFemaleGene Expression RegulationGlucose Tolerance TestGreen Fluorescent ProteinsHypoglycemic AgentsIn Vitro TechniquesInjections, IntraventricularInsulinLeptinMaleMiceMice, Inbred C57BLMice, TransgenicNeuronsObesityPatch-Clamp TechniquesPhosphatidylinositol 3-KinasesReceptor, InsulinRNA, MessengerSignal TransductionSteroidogenic Factor 1Time FactorsTolbutamideVentromedial Hypothalamic Nucleus
2007
A Central Thermogenic-like Mechanism in Feeding Regulation: An Interplay between Arcuate Nucleus T3 and UCP2
Coppola A, Liu ZW, Andrews ZB, Paradis E, Roy MC, Friedman JM, Ricquier D, Richard D, Horvath TL, Gao XB, Diano S. A Central Thermogenic-like Mechanism in Feeding Regulation: An Interplay between Arcuate Nucleus T3 and UCP2. Cell Metabolism 2007, 5: 21-33. PMID: 17189204, PMCID: PMC1783766, DOI: 10.1016/j.cmet.2006.12.002.Peer-Reviewed Original ResearchMeSH KeywordsAgouti-Related ProteinAnimalsArcuate Nucleus of HypothalamusEatingFastingFeeding BehaviorGreen Fluorescent ProteinsGuanosine DiphosphateHypothalamusIntercellular Signaling Peptides and ProteinsIodide PeroxidaseIon ChannelsMiceMice, Inbred C57BLMice, KnockoutMitochondriaMitochondrial ProteinsNeurogliaNeuronsNeuropeptide YProto-Oncogene Proteins c-fosThermogenesisTriiodothyronineUncoupling Protein 2ConceptsUncoupling protein 2Mitochondrial uncoupling protein 2Thyroid hormone productionProtein activityType 2 deiodinaseMitochondrial proliferationNeuropeptide YArcuate nucleusPhysiological roleMitochondrial uncouplingUCP2 activationProtein 2Hormone productionNPY/AgRP neuronsPhysiological significanceActive thyroid hormoneHypothalamic arcuate nucleusHypothalamic neuronal networksGlial cellsRebound feedingAgRP neuronsOrexigenic neuronsDeiodinaseDII activityPeripheral tissues
2004
Rapid Rewiring of Arcuate Nucleus Feeding Circuits by Leptin
Pinto S, Roseberry AG, Liu H, Diano S, Shanabrough M, Cai X, Friedman JM, Horvath TL. Rapid Rewiring of Arcuate Nucleus Feeding Circuits by Leptin. Science 2004, 304: 110-115. PMID: 15064421, DOI: 10.1126/science.1089459.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArcuate Nucleus of HypothalamusBody WeightEatingEvoked PotentialsExcitatory Postsynaptic PotentialsFeeding BehaviorGamma-Aminobutyric AcidGhrelinGlutamic AcidGreen Fluorescent ProteinsIn Vitro TechniquesLeptinLuminescent ProteinsMiceMice, ObeseMice, TransgenicNeuronal PlasticityNeuronsNeuropeptide YPatch-Clamp TechniquesPeptide HormonesPro-OpiomelanocortinRecombinant Fusion ProteinsSynapsesTetrodotoxinTransgenesConceptsProopiomelanocortin neuronsNeuropeptide YFat-derived hormone leptinBehavioral effectsOb/ob miceLeptin-deficient miceOb/obHypothalamic arcuate nucleusWild-type miceNumber of excitatoryArcuate nucleusLeptin effectsPostsynaptic currentsOb miceHormone leptinSynaptic densityInhibitory synapsesFood intakeNeuronal typesLeptinMiceNeuronsFeeding circuitRapid rewiringHours
2001
Leptin activates anorexigenic POMC neurons through a neural network in the arcuate nucleus
Cowley M, Smart J, Rubinstein M, Cerdán M, Diano S, Horvath T, Cone R, Low M. Leptin activates anorexigenic POMC neurons through a neural network in the arcuate nucleus. Nature 2001, 411: 480-484. PMID: 11373681, DOI: 10.1038/35078085.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAnimals, Genetically ModifiedAnorexiaArcuate Nucleus of HypothalamusElectrophysiologyEvoked PotentialsGamma-Aminobutyric AcidGreen Fluorescent ProteinsLeptinLuminescent ProteinsMaleMiceMice, Inbred C57BLNerve NetNeural InhibitionNeuronsNeuropeptide YPro-OpiomelanocortinConceptsAnorexigenic POMC neuronsPOMC neuronsArcuate nucleusLeptin actionLeptin-deficient humansLepob/Lepob miceLeptin receptor expressionLong-term energy balanceNonspecific cation channelGABA neuronsOrexigenic neuropeptidesObese humansAdipocyte hormoneNeuropeptide YLeptin resistanceElevated leptinReceptor expressionLepob miceMelanocortin peptidesTransgenic miceLeptinAction potentialsNeuropeptide modulatorsCommon obesityElectrophysiological recordings