2017
Ghrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol
Ralevski E, Horvath TL, Shanabrough M, Hayden R, Newcomb J, Petrakis I. Ghrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol. Alcohol And Alcoholism 2017, 52: 431-438. PMID: 28481974, DOI: 10.1093/alcalc/agx022.Peer-Reviewed Original ResearchConceptsGhrelin levelsDoses of alcoholHealthy social drinkersSubjective effectsTG levelsAlcohol infusionSedative effectsLow doseHigh doseOral alcohol administrationIntravenous alcohol infusionFeeding-related peptidesSocial drinkersAlcohol administrationIntravenous alcoholOral alcoholGhrelinPercent changeInfusionRewarding propertiesBehavioral effectsAlcohol effectsDoseTime pointsSignificant predictors
2011
Reduced locomotor responses to cocaine in ghrelin-deficient mice
Abizaid A, Mineur YS, Roth RH, Elsworth JD, Sleeman MW, Picciotto MR, Horvath TL. Reduced locomotor responses to cocaine in ghrelin-deficient mice. Neuroscience 2011, 192: 500-506. PMID: 21699961, DOI: 10.1016/j.neuroscience.2011.06.001.Peer-Reviewed Original ResearchConceptsGhrelin KO miceWT miceDopamine releaseLocomotor activityBehavioral effectsDopamine metabolite concentrationsGhrelin-deficient miceLocomotor-stimulating effectsDopamine cell activityEffects of cocaineMesolimbic dopaminergic systemWild-type littermatesOrexigenic hormoneChronic injectionsDopamine utilizationDaily injectionsStriatal dopamineMesolimbic systemWT littermatesDopaminergic systemDaily cocaineFood intakeRewarding effectsPsychostimulant effectsLocomotor response
2006
Synaptic Plasticity in Energy Balance Regulation
Horvath TL. Synaptic Plasticity in Energy Balance Regulation. Obesity 2006, 14: 228s-233s. PMID: 17021372, DOI: 10.1038/oby.2006.314.Peer-Reviewed Original ResearchConceptsOb/ob miceNumber of excitatoryNeuropeptide YSynaptic plasticityPOMC neuronsOb miceFood intakeBehavioral effectsLeptin receptor-deficient miceRearrangement of synapsesLeptin-deficient miceReceptor-deficient miceHypothalamic arcuate nucleusOb/obEnergy balance regulationWild-type miceInfluences brain functionObserved synaptic plasticityWild-type animalsProopiomelanocortin neuronsAnorexigenic hormonesOrexigenic hormonePost-synaptic densityGlutamate inputsExtrahypothalamic sites
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
1997
Heterogeneity in the neuropeptide Y-containing neurons of the rat arcuate nucleus: GABAergic and non-GABAergic subpopulations
Horvath T, Bechmann I, Naftolin F, Kalra S, Leranth C. Heterogeneity in the neuropeptide Y-containing neurons of the rat arcuate nucleus: GABAergic and non-GABAergic subpopulations. Brain Research 1997, 756: 283-286. PMID: 9187344, DOI: 10.1016/s0006-8993(97)00184-4.Peer-Reviewed Original ResearchConceptsNeuropeptide YArcuate nucleusGlutamic acid decarboxylaseGamma-aminobutyric acidAcid decarboxylaseDorsomedial arcuate nucleusNeuropeptide Y cellsVentral arcuate nucleusAmino acid transmittersHypothalamic arcuate nucleusHypothalamic neuronal populationsRat arcuate nucleusGABAergic neuronsNeuronal perikaryaNeuropeptide Y.Central regulationAppetitive functionsNeuronal populationsY cellsBehavioral effectsDorsomedial aspectNeuronsVibratome sectionsHypothalamusPerikarya