DNA Tumor VirusesVirologyAntigens, Polyomavirus TransformingOncogenic VirusesSimian virus 40PolyomaviridaeCell Transformation, ViralRetinoblastoma ProteinPolyomavirusAdenovirus E1A ProteinsOncogene Proteins, ViralTumor Suppressor Protein p53Tumor Markers, BiologicalTumor BurdenTumor Necrosis Factor-alphaAntigens, Viral, TumorCell LineCell Transformation, NeoplasticCell Line, TumorVirusesMolecular Sequence DataPapillomaviridaePolyomavirus InfectionsCell Line, TransformedGenes, RetinoblastomaTumor Virus InfectionsViral ProteinsWilms TumorBase SequenceNeoplasms, ExperimentalGenes, Tumor SuppressorDNA, ViralCarcinoid TumorCell CycleNeuroendocrine TumorsAmino Acid SequenceTransfectionTumor Suppressor ProteinsDNA-Binding ProteinsBrain NeoplasmsDNA ReplicationTumor MicroenvironmentVirus DiseasesMammary Neoplasms, ExperimentalNeovascularization, PathologicVirus Physiological PhenomenaMutationRepressor ProteinsCyclinsNeoplasm MetastasisTranscription FactorsAdenocarcinomaTransplantation, HeterologousGastrointestinal Stromal TumorsXenograft Model Antitumor AssaysCell ProliferationRNA, ViralMice, Inbred BALB CVirus ReplicationRNA, MessengerAntigens, NeoplasmReverse Transcriptase Polymerase Chain ReactionGenes, ViralNeoplasmsNeoplasm ProteinsColonic NeoplasmsCell DivisionCarcinoma, Ehrlich TumorLiver NeoplasmsTime FactorsFibrosarcomaKidney NeoplasmsAntibodies, MonoclonalPolymerase Chain ReactionMice, Inbred C57BLSkin NeoplasmsOvarian NeoplasmsGliomaNeoplasm StagingDNA, NeoplasmMice, SCIDSarcoma, ExperimentalPlant PathologySignal TransductionCells, CulturedPancreatic NeoplasmsRhabdoid TumorMelanoma, ExperimentalHistory, 20th CenturyCarcinoma, Squamous CellGranulosa Cell TumorHistory, 21st CenturyDisease ProgressionGenome, ViralMice, NudeMammary Neoplasms, AnimalVirus CultivationTreatment OutcomeLaboratoriesImmunohistochemistry