GlucagonHomeostasisCalciumPeptidesCalcium SignalingReceptors, Calcium-SensingReceptors, GlucagonCalcium ChannelsExtracellular SpaceCalcium, DietaryEgtazic AcidCells, CulturedPeptide FragmentsParathyroid HormoneCalcimycinCalcium RadioisotopesKineticsEndoplasmic ReticulumFura-2Parathyroid GlandsThapsigarginInsulinHypocalcemiaHypercalcemiaCytosolCell LineSignal TransductionPeptide LibraryDose-Response Relationship, DrugAmino Acid SequenceIntracellular FluidGlucagon-Secreting CellsSarcoplasmic Reticulum Calcium-Transporting ATPasesTime FactorsMurexideChelating AgentsCalcium Channels, L-TypeMolecular Sequence DataAntimicrobial Cationic PeptidesLiverCalcium Channel BlockersCalcium ChlorideRats, Sprague-DawleyDantroleneMembrane PotentialsNeuronsVerapamilLanthanumRats, Inbred StrainsGlucoseCalcium CarbonateNifedipineCalcium IsotopesCalcium Metabolism DisordersPeptides, CyclicCyclic AMPCalcium-Binding ProteinsCell MembraneMitochondriaCalcium-Transporting ATPasesIonomycinModels, BiologicalFluorescent DyesCalbindinsCalbindin 1S100 Calcium Binding Protein GOligopeptidesRats, WistarAdenosine TriphosphateRNA, MessengerMice, Inbred C57BLGene Expression RegulationIon TransportMagnesiumBiological TransportSodium-Calcium ExchangerCalcium PhosphatesIonophoresSodiumCalcitriolInositol 1,4,5-Trisphosphate ReceptorsVitamin DIslets of LangerhansGallic AcidRabbitsMice, KnockoutProtein BindingBlood GlucosePlasma Membrane Calcium-Transporting ATPasesCattlePotassium ChlorideMembrane ProteinsMutationMyocardiumBase SequenceEnzyme InhibitorsPeptide MappingDogsEnzyme ActivationPotassium