LeptinReceptors, LeptinSensitivity and SpecificityObesityInsulinHypothalamusAdipose TissueEatingContrast SensitivityBody WeightInsulin ResistanceMice, ObeseAdiponectinBlood GlucoseProteinsReceptors, Cell SurfaceTime FactorsReproducibility of ResultsArcuate NucleusEnergy MetabolismRNA, MessengerSignal TransductionPredictive Value of TestsFastingDose-Response Relationship, DrugSTAT3 Transcription FactorMice, Inbred C57BLGhrelinBody Mass IndexPro-OpiomelanocortinRats, Sprague-DawleyROC CurveMutationAdipocytesAdipokinesAdiposityPolymerase Chain ReactionMultiple Chemical SensitivityNeuropeptide YGlucoseInjections, IntraventricularMolecular Sequence DataRats, WistarCarrier ProteinsSensory ThresholdsDrug ResistanceGlucose Tolerance TestReverse Transcriptase Polymerase Chain ReactionCells, CulturedEnzyme-Linked Immunosorbent AssayBiological MarkersReference ValuesAgouti-Related ProteinRats, ZuckerAnorexiaRecombinant ProteinsHyperphagiaPregnancyReagent Kits, DiagnosticAppetite RegulationGene Expression RegulationGlucose Clamp TechniqueHomeostasisAnalysis of VarianceProspective StudiesResistinRadioimmunoassayNeuronsCell LinePeptide HormonesDietary FatsFood DeprivationModels, BiologicalCell Line, TumorFeeding BehaviorGene ExpressionKineticsAppetiteEnergy IntakeMice, KnockoutWeight LossPhenotypeCase-Control StudiesVentromedial Hypothalamic NucleusLiverBlotting, WesternBase SequenceAlgorithmsFalse Positive ReactionsMuscle, Skeletal