Retinoblastoma ProteinRetinoblastomaE2F Transcription FactorsTumor Suppressor Protein p53Transcription Factor DP1Genes, RetinoblastomaRetinoblastoma-Binding Protein 1Retinoblastoma-Like Protein p107E2F1 Transcription FactorTumor Suppressor ProteinsGenes, Tumor SuppressorPapillomavirus E7 ProteinsRetinal NeoplasmsCell Cycle ProteinsCyclin-Dependent KinasesCell CycleRetinoblastoma-Like Protein p130E2F4 Transcription FactorAdenovirus E1A ProteinsTranscription FactorsCyclinsDNA-Binding ProteinsCyclin-Dependent Kinase 2G1 PhaseCyclin-Dependent Kinase 4S PhaseCDC2-CDC28 KinasesPhosphorylationOncogene Proteins, ViralCell Line, TumorVon Hippel-Lindau Tumor Suppressor ProteinNuclear ProteinsCarrier ProteinsCell LineProtein BindingTumor Cells, CulturedCell DivisionEye NeoplasmsCyclin-Dependent Kinase Inhibitor p16Tumor Suppressor Protein p14ARFPromoter Regions, GeneticTranscription, GeneticTransfectionBinding SitesMolecular Sequence DataE2F2 Transcription FactorMutationProto-Oncogene Proteins c-mdm2ApoptosisGene Expression Regulation, NeoplasticCells, CulturedCyclin EBase SequenceCyclin AProto-Oncogene ProteinsRepressor ProteinsAmino Acid SequenceCyclin-Dependent Kinase 6Cell Transformation, NeoplasticCell ProliferationRNA InterferenceGenes, p53Signal TransductionProtein Structure, TertiaryCyclin-Dependent Kinase Inhibitor p21Protein-Serine-Threonine KinasesDown-RegulationRecombinant Fusion ProteinsRNA, MessengerProteinsNeurofibromin 2Inhibitor of Differentiation Protein 2Gene Expression RegulationFibroblastsPapillomaviridaeAdenomatous Polyposis Coli ProteinCyclin D1Precipitin TestsDNA PrimersDNA DamageUbiquitin-Protein LigasesHeLa CellsBlotting, WesternGenes, SuppressorPhosphoproteinsPTEN PhosphohydrolaseImmunoblottingCell DifferentiationNeoplasm ProteinsMice, KnockoutNeoplasmsDNAModels, BiologicalKeratinocytesAntigens, Polyomavirus TransformingTranscriptional ActivationLigasesCell NucleusTumor Markers, BiologicalGene Silencing