GlucagonDopamineReceptors, Dopamine D2PeptidesReceptors, Dopamine D1Dopamine AgonistsDopamine AntagonistsReceptors, GlucagonReceptors, DopamineReceptors, Dopamine D3Dopamine Plasma Membrane Transport ProteinsDopamine AgentsReceptors, Dopamine D5Peptide FragmentsDopamine Uptake InhibitorsDopamine beta-HydroxylasePeptide LibraryCorpus StriatumGlucagon-Secreting CellsAntimicrobial Cationic PeptidesInsulinPeptides, CyclicQuinpiroleBenzazepinesRacloprideAmino Acid SequenceNucleus AccumbensPeptide MappingOligopeptidesSomatostatinLiverRats, Sprague-DawleySulpirideGlucagon-Like PeptidesHaloperidolApomorphineKineticsSalicylamidesDose-Response Relationship, DrugCocaineNeostriatumGlucagon-Like Peptide 1LevodopaVasoactive Intestinal PeptideBlood GlucoseAmphetamineRats, Inbred StrainsTyrosine 3-MonooxygenaseDopaminergic NeuronsIslets of LangerhansHomovanillic AcidMolecular Sequence DataProglucagonNatriuretic Peptide, BrainProtein BindingDopamine and cAMP-Regulated Phosphoprotein 32MicrodialysisCyclic AMPGlucoseSpiperoneChromatography, High Pressure LiquidSubstantia NigraHypoglycemiaVentral Tegmental AreaNeuronsEpinephrineOxidopaminePancreasGluconeogenesisPancreatic PolypeptideMesencephalonErgolinesAmino AcidsPancreatic HormonesProtein PrecursorsCalcitonin Gene-Related PeptideTime FactorsPeptide YYCells, CulturedBinding SitesBrainCell-Penetrating PeptidesPeptide BiosynthesisAdenylate CyclaseCell LineBehavior, AnimalProtein ConformationNorepinephrineCaudate NucleusBinding, Competitivealpha-MethyltyrosineStructure-Activity RelationshipDomperidoneBase SequenceModels, MolecularRats, WistarDihydroxyphenylalanineDogsPeptide Nucleic AcidsMice, Inbred C57BL