GastrinsPeptidesReceptors, CholecystokininReceptor, Cholecystokinin BPeptide FragmentsPeptide LibraryPyloric AntrumAntimicrobial Cationic PeptidesGastric AcidPeptides, CyclicGastric MucosaGastric JuiceGastrin-Releasing PeptideCholecystokininZollinger-Ellison SyndromePentagastrinGastrin-Secreting CellsPeptide MappingOligopeptidesAmino Acid SequenceSomatostatinBenzodiazepinonesNatriuretic Peptide, BrainEnterochromaffin-like CellsVasoactive Intestinal PeptideStomachDuodenal UlcerMolecular Sequence DataSecretinEnterochromaffin CellsHistidine DecarboxylaseParietal Cells, GastricProtein PrecursorsProtein BindingPeptide YYCalcitonin Gene-Related PeptideRadioimmunoassayCell-Penetrating PeptidesSincalideGastrointestinal HormonesPeptide BiosynthesisAnemia, PerniciousPeptide Nucleic AcidsMotilinAchlorhydriaBinding SitesBase SequenceNatriuretic Peptide, C-TypeProtein ConformationPeptide PHINatriuretic PeptidesChromatography, High Pressure LiquidKineticsModels, MolecularSecretory RateProglumideProtein Structure, SecondaryReceptors, Formyl PeptideCell LinePeptide SynthasesHistaminePeptide HydrolasesEpitopesReceptors, PeptidePancreatic PolypeptideAtrial Natriuretic FactorMass SpectrometryStructure-Activity RelationshipTetragastrinDevazepideGastric Acidity DeterminationTrypsinVagotomyAmino AcidsPeptide HormonesSequence Homology, Amino AcidGastric FundusPepsinogensGlucagon-Like PeptidesPeptonesChromogranin ARNA, MessengerGastric FistulaBinding, CompetitiveRecombinant ProteinsDogsChromograninsReceptor, Cholecystokinin ADose-Response Relationship, DrugCloning, MolecularOpioid PeptidesGastrinomaIntracellular Signaling Peptides and ProteinsPepsin AProtein Processing, Post-TranslationalProtein Structure, TertiaryCells, CulturedFoodDuodenumSubstrate Specificity