2016
The role of astrocytes in the hypothalamic response and adaptation to metabolic signals
Chowen JA, Argente-Arizón P, Freire-Regatillo A, Frago LM, Horvath TL, Argente J. The role of astrocytes in the hypothalamic response and adaptation to metabolic signals. Progress In Neurobiology 2016, 144: 68-87. PMID: 27000556, DOI: 10.1016/j.pneurobio.2016.03.001.Peer-Reviewed Original ResearchConceptsHypothalamic responseMetabolic signalsRole of astrocytesIncidence of obesityAnorexigenic hormone leptinType 2 diabetesHypothalamic adaptationsImportant metabolic signalsDiabetes mellitusHypothalamic circuitsSecondary complicationsChronic conditionsHormone leptinGlial cellsSynaptic transmissionAdequate treatmentMetabolic diseasesSynaptic plasticityNeuroendocrine controlHomeostatic functionsNeighboring neuronsMetabolic homeostasisHormonal inputsObesityHypothalamus
2015
A Sympathetic View on Fat by Leptin
Varela L, Horvath TL. A Sympathetic View on Fat by Leptin. Cell 2015, 163: 26-27. PMID: 26406366, DOI: 10.1016/j.cell.2015.09.016.Peer-Reviewed Original Research
2009
Leptin Acts via Leptin Receptor-Expressing Lateral Hypothalamic Neurons to Modulate the Mesolimbic Dopamine System and Suppress Feeding
Leinninger GM, Jo YH, Leshan RL, Louis GW, Yang H, Barrera JG, Wilson H, Opland DM, Faouzi MA, Gong Y, Jones JC, Rhodes CJ, Chua S, Diano S, Horvath TL, Seeley RJ, Becker JB, Münzberg H, Myers MG. Leptin Acts via Leptin Receptor-Expressing Lateral Hypothalamic Neurons to Modulate the Mesolimbic Dopamine System and Suppress Feeding. Cell Metabolism 2009, 10: 89-98. PMID: 19656487, PMCID: PMC2723060, DOI: 10.1016/j.cmet.2009.06.011.Peer-Reviewed Original ResearchConceptsLateral hypothalamic areaVentral tegmental areaMesolimbic DA systemLepRb neuronsMesolimbic dopamine systemLeptin actionLeptin receptorDopamine systemDA systemLeptin-deficient animalsLateral hypothalamic neuronsAnorexigenic hormone leptinLeptin actsHypothalamic areaHypothalamic neuronsSuppress feedingHormone leptinTegmental areaDA contentInhibitory neuronsRate-limiting enzymeBody weightNeuronsLeptinReceptors
2008
Cross-talk between estrogen and leptin signaling in the hypothalamus
Gao Q, Horvath TL. Cross-talk between estrogen and leptin signaling in the hypothalamus. AJP Endocrinology And Metabolism 2008, 294: e817-e826. PMID: 18334610, DOI: 10.1152/ajpendo.00733.2007.Peer-Reviewed Original ResearchConceptsAdipocyte-secreted hormone leptinGonadal steroid hormone estrogenAction of leptinMajor risk factorNeuroendocrine reproductive axisEnergy expenditureHalf of adultsSteroid hormone estrogenEnhanced food intakeFunction of estrogenEstrogen deficiencyRisk factorsHormone leptinCardiovascular diseaseHormone estrogenFood intakeBody fatReproductive axisLeptinEstrogenRegulation of reproductionEnergy homeostasisWeight gainEstrogen facilitatesNeuroendocrine processes
2007
Anticonvulsant effects of leptin in epilepsy
Diano S, Horvath TL. Anticonvulsant effects of leptin in epilepsy. Journal Of Clinical Investigation 2007, 118: 26-28. PMID: 18097479, PMCID: PMC2147676, DOI: 10.1172/jci34511.Peer-Reviewed Original ResearchMeSH Keywords4-AminopyridineAdministration, IntranasalAlpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnimalsConvulsantsHypothalamusJanus Kinase 2LeptinMaleMiceMice, KnockoutNeuronsPentylenetetrazolePhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPotassium Channel BlockersPotassium Channels, Voltage-GatedRatsRats, Sprague-DawleyReceptors, AMPAReceptors, LeptinSeizuresSynaptic TransmissionConceptsPeripheral metabolic hormonesTreatment of epilepsyRodent seizure modelsHigher brain functionsAnticonvulsant effectsSeizure modelGlutamate neurotransmissionHormone leptinMetabolic hormonesTherapeutic approachesMetabolic disordersNasal epitheliumLeptinAdipose tissueEpileptic seizuresTherapeutic potentialEnergy homeostasisBrain functionNeuronal processesFat storesEpilepsySeizuresEnergy metabolismCritical regulatorDirect effect
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