GlucagonCytoplasmic GranulesMice, KnockoutReceptors, GlucagonGlucagon-Secreting CellsInsulinChromaffin GranulesGene Knockout TechniquesSecretory VesiclesLiverIslets of LangerhansMice, Inbred C57BLSomatostatinBlood GlucoseGlucosePancreasExocytosisCerebellumProglucagonHypoglycemiaGluconeogenesisGlucagon-Like PeptidesPancreatic HormonesCells, CulturedPancreatic PolypeptideRats, Inbred StrainsMicroscopy, ElectronEpinephrineDentate GyrusGlucagon-Like Peptide 1Cyclic AMPNeuronsLiver GlycogenKineticsAdenylate CyclaseReceptors, Gastrointestinal HormoneRNA, MessengerCalciumTime FactorsDogsCell MembraneHydroxybutyratesAdenoma, Islet CellFastingMolecular Sequence DataChromaffin SystemImmunohistochemistryHormonesChromograninsC-PeptideDisease Models, AnimalSignal TransductionMice, TransgenicInsulin-Secreting CellsHyperglycemiaDose-Response Relationship, DrugSecretinRats, Sprague-DawleyBucladesineCell LineAdrenal MedullaSomatostatin-Secreting CellsNeutrophilsGene Expression RegulationHistocytochemistryAmino Acid SequenceAnimals, NewbornArginineNerve Tissue ProteinsLactatesGene DeletionPerfusionGastrointestinal HormonesSecretory RateHomeostasisRats, WistarFatty Acids, NonesterifiedPhenotypeProtein PrecursorsMicroscopy, ImmunoelectronGastric Inhibitory PolypeptideGlucagonomaCell DegranulationAmino AcidsOxyntomodulinDiabetes Mellitus, ExperimentalGlycogenRadioimmunoassayVasopressins3-Hydroxybutyric AcidKetone BodiesCerebellar CortexCell FractionationMembrane ProteinsPeptidesGene TargetingBlotting, WesternPhosphorylasesProprotein Convertase 2Mutation