Genes, Tumor SuppressorTumor Suppressor ProteinsTumor Suppressor Protein p53Cell Line, TumorTumor BurdenTumor Necrosis Factor-alphaNeoplasmsTumor Markers, BiologicalNeoplasms, ExperimentalCell Transformation, NeoplasticCell AgingMice, NudeApoptosisCell ProliferationSignal TransductionGene Expression Regulation, NeoplasticCell DivisionSuppression, GeneticMutationMice, Inbred C57BLTumor Suppressor Protein p14ARFWilms TumorTransplantation, HeterologousMammary Neoplasms, ExperimentalTransfectionCell CycleMice, Inbred BALB CXenograft Model Antitumor AssaysRNA, MessengerGenes, p53Brain NeoplasmsCyclin-Dependent Kinase Inhibitor p16Cell LineCarcinoid TumorDNA DamageNeovascularization, PathologicMice, KnockoutNeoplasm ProteinsDNA-Binding ProteinsNeoplasm TransplantationCells, CulturedReverse Transcriptase Polymerase Chain ReactionTranscription FactorsMolecular Sequence DataDown-RegulationNeoplasm MetastasisRetinoblastoma ProteinAdenocarcinomaNeuroendocrine TumorsBRCA1 ProteinMice, TransgenicColonic NeoplasmsProto-Oncogene Proteins c-mdm2Tumor MicroenvironmentNuclear ProteinsCell SurvivalSkin NeoplasmsBase SequenceBlotting, WesternTime FactorsFibroblastsCell Cycle ProteinsRNA, Small InterferingUbiquitin-Protein LigasesMice, SCIDBreast NeoplasmsLymphomaCyclin-Dependent Kinase Inhibitor p21PTEN PhosphohydrolaseLiver NeoplasmsModels, BiologicalFibrosarcomaPromoter Regions, GeneticProtein BindingKidney NeoplasmsPhosphorylationGenes, rasPhenotypeImmunohistochemistryTranscription, GeneticDisease Models, AnimalProtein-Serine-Threonine KinasesOvarian NeoplasmsTumor Cells, CulturedDNA, NeoplasmGene SilencingGene Expression RegulationMelanoma, ExperimentalPancreatic NeoplasmsProto-Oncogene ProteinsCell Growth ProcessesAntineoplastic AgentsRNA InterferenceCarcinoma, Squamous CellGene ExpressionGenes, RetinoblastomaGliomaGastrointestinal Stromal TumorsCell MovementDisease Progression