SomatostatinReceptors, SomatostatinIslets of LangerhansIslets of Langerhans TransplantationOctreotideSomatostatin-28Islet Amyloid PolypeptideInsulinGlucagonSomatostatin-Secreting CellsNeuroendocrine TumorsPancreasInsulin-Secreting CellsGastrinsGlucoseAcromegalyIndium RadioisotopesPancreatic HormonesPeptides, CyclicInsulinomaGlucagon-Secreting CellsPancreatic PolypeptideGrowth Hormone-Releasing HormoneCarcinoid TumorGrowth HormonePituitary NeoplasmsCarcinoma, Islet CellPentetic AcidReceptors, NeurotransmitterDiabetes Mellitus, Type 1Diabetes Mellitus, ExperimentalBlood GlucosePancreatic NeoplasmsHormonesGrowth Hormone-Secreting Pituitary AdenomaEndocrine Gland NeoplasmsHormone AntagonistsSomatostatinomaVasoactive Intestinal PeptideGastric AcidRNA, MessengerImmunohistochemistrySecretory RateHuman Growth HormoneGlucagonomaPituitary GlandMotilinAdenoma, Islet CellProinsulinGastrointestinal HormonesPyloric AntrumGastric MucosaStreptozocinCells, CulturedSecretinRadiopharmaceuticalsPentagastrinRats, WistarPertussis ToxinRats, Inbred StrainsVirulence Factors, BordetellaDose-Response Relationship, DrugCholecystokininCyclic AMPC-PeptideAntineoplastic Agents, HormonalMice, Inbred NODNeuropeptidesRats, Sprague-DawleyBombesinProtein PrecursorsMalignant Carcinoid SyndromeAmyloidGastrointestinal NeoplasmsGalaninColforsinNeuropeptide YTolbutamideZollinger-Ellison SyndromeGraft SurvivalCysteamine