Adenoma, Islet CellIslets of LangerhansInsulinomaPancreatic NeoplasmsIslets of Langerhans TransplantationTumor Markers, BiologicalTumor Necrosis Factor-alphaTumor BurdenCell Line, TumorIslet Amyloid PolypeptideWilms TumorNeoplasms, ExperimentalGenes, Tumor SuppressorInsulinCarcinoid TumorTumor Suppressor Protein p53Insulin-Secreting CellsNeuroendocrine TumorsTumor Suppressor ProteinsBrain NeoplasmsTumor MicroenvironmentTransplantation, HeterologousMammary Neoplasms, ExperimentalMice, Inbred C57BLGlucoseNeovascularization, PathologicMice, Inbred BALB CCell ProliferationNeoplasm MetastasisAdenocarcinomaRNA, MessengerGastrointestinal Stromal TumorsXenograft Model Antitumor AssaysCell DivisionMice, SCIDAntigens, NeoplasmDiabetes Mellitus, Type 1Time FactorsGlucagon-Secreting CellsMice, TransgenicImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionSignal TransductionNeoplasm ProteinsNeoplasmsPancreasCells, CulturedColonic NeoplasmsCell SurvivalLiver NeoplasmsCarcinoma, Ehrlich TumorDiabetes Mellitus, ExperimentalCell LineKidney NeoplasmsFibrosarcomaCell Transformation, NeoplasticSkin NeoplasmsOvarian NeoplasmsNeoplasm StagingGliomaAntibodies, Monoclonal