Adenoma, Islet CellCarcinoma, Islet CellGlucagonomaVipoma4-Hydroxyaminoquinoline-1-oxideIslets of LangerhansPancreatic NeoplasmsInsulinomavon Hippel-Lindau DiseaseIslets of Langerhans TransplantationInsulinSomatostatinGlucagonPancreatic PolypeptideSomatostatinomaInsulin-Secreting CellsPancreatectomyStreptozocinNeuroendocrine TumorsPancreasGranulosa Cell TumorZollinger-Ellison SyndromeGlucagon-Secreting CellsGiant Cell Tumor of BoneGlucoseGiant Cell TumorsAlloxanNeoplasms, Germ Cell and EmbryonalHypoglycemiaGranular Cell TumorEndocrine Gland NeoplasmsMannoheptuloseImmunohistochemistryTesticular NeoplasmsGastrinomaSertoli Cell TumorDiabetes Mellitus, Type 1Islet Amyloid PolypeptideLeydig Cell TumorDiabetes Mellitus, ExperimentalGerminomaAPUD CellsProinsulinBlood GlucoseReceptors, SomatostatinNiacinamideGastrinsCells, CulturedMultiple Endocrine Neoplasia Type 1SeminomaNesidioblastosisCalcium GluconateMice, Inbred C57BLRNA, MessengerMice, Transgenic