2008
Bsx, a Novel Hypothalamic Factor Linking Feeding with Locomotor Activity, Is Regulated by Energy Availability
Nogueiras R, López M, Lage R, Perez-Tilve D, Pfluger P, Mendieta-Zerón H, Sakkou M, Wiedmer P, Benoit SC, Datta R, Dong JZ, Culler M, Sleeman M, Vidal-Puig A, Horvath T, Treier M, Diéguez C, Tschöp M. Bsx, a Novel Hypothalamic Factor Linking Feeding with Locomotor Activity, Is Regulated by Energy Availability. Endocrinology 2008, 149: 3009-3015. PMID: 18308842, PMCID: PMC2408820, DOI: 10.1210/en.2007-1684.Peer-Reviewed Original ResearchConceptsHigh-fat dietArcuate nucleusLeptin resistanceMelanocortin-4 receptor knockout miceObese leptin-deficient miceAgouti gene-related proteinCentral nervous system controlNovel hypothalamic factorPeripheral energy balanceOrexigenic neuropeptide YReceptor knockout miceSpontaneous physical activityGhrelin receptor antagonistLeptin-deficient miceNervous system controlEnergy balance signalsFasting-induced increaseGene-related proteinGhrelin administrationLeptin injectionPharmacological modificationNeuropeptide YGhrelin signalingHypothalamic factorsReceptor antagonist
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