Cell CycleCell ProliferationCell Cycle ProteinsCell DivisionCell Cycle CheckpointsApoptosisCell Line, TumorCells, CulturedG1 PhaseSignal TransductionS PhaseCell DifferentiationMitosisCyclinsCell LinePhosphorylationRNA, MessengerCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinTumor Cells, CulturedBromodeoxyuridineCyclin D1Transcription FactorsFlow CytometryBlotting, WesternGene Expression RegulationCell SurvivalTumor Suppressor Protein p53DNA-Binding ProteinsProliferating Cell Nuclear AntigenMolecular Sequence DataG2 PhaseImmunohistochemistryKi-67 AntigenProtein-Serine-Threonine KinasesTime FactorsGene Expression Regulation, NeoplasticFibroblastsNuclear ProteinsDown-RegulationTransfectionDNAReverse Transcriptase Polymerase Chain ReactionMutationTumor Suppressor ProteinsMenstrual CycleG1 Phase Cell Cycle CheckpointsCyclin ERNA, Small InterferingCyclin-Dependent Kinase 2Gene ExpressionModels, BiologicalDNA ReplicationMice, Inbred C57BLTranscription, GeneticBase SequenceDose-Response Relationship, DrugThymidineProto-Oncogene Proteins c-mycCell MovementCell Transformation, NeoplasticCell NucleusProto-Oncogene ProteinsCell Growth ProcessesG0 PhaseRNA InterferenceG2 Phase Cell Cycle CheckpointsCDC2 Protein KinaseCyclin AMice, KnockoutE2F1 Transcription FactorUp-RegulationCyclin-Dependent Kinase 4Antineoplastic AgentsLymphocyte ActivationEpithelial CellsDNA DamageAmino Acid SequenceE2F Transcription FactorsEnzyme InhibitorsHeLa CellsGene Expression ProfilingStem CellsProtein BindingMice, TransgenicMice, NudeEnzyme ActivationGenes, cdcPhenotypeCDC2-CDC28 KinasesPromoter Regions, GeneticCyclin DCell CountHyperplasiaProto-Oncogene Proteins c-aktGene Expression Regulation, DevelopmentalNeoplasm ProteinsT-LymphocytesInterphase