Cell CycleCell Cycle ProteinsCell Line, TumorCell DifferentiationG1 PhaseCell DivisionS PhaseDisease ProgressionCell ProliferationCell Cycle CheckpointsTumor Cells, CulturedCyclinsMitosisApoptosisSignal TransductionRetinoblastoma ProteinCell LineCyclin-Dependent Kinase Inhibitor p27G2 PhaseCells, CulturedCyclin-Dependent Kinase Inhibitor p21Tumor Suppressor Protein p53PhosphorylationCyclin D1Transcription FactorsDNA-Binding ProteinsMolecular Sequence DataRNA, MessengerProtein-Serine-Threonine KinasesCyclin-Dependent Kinase 2Flow CytometryTumor Suppressor ProteinsCyclin ECyclin-Dependent KinasesMutationGene Expression RegulationCell SurvivalCyclin ATime FactorsNuclear ProteinsBlotting, WesternCDC2 Protein KinaseG0 PhaseCyclin-Dependent Kinase 4Base SequenceTransfectionGene Expression Regulation, NeoplasticE2F Transcription FactorsCDC2-CDC28 KinasesDown-RegulationTranscription, GeneticDNA DamageReverse Transcriptase Polymerase Chain ReactionE2F1 Transcription FactorModels, BiologicalCyclin BRNA, Small InterferingCell NucleusAmino Acid SequenceG2 Phase Cell Cycle CheckpointsImmunohistochemistryDNA ReplicationAntineoplastic AgentsHeLa CellsNeoplasmsProto-Oncogene ProteinsTumor Markers, Biologicalcdc25 PhosphatasesGenes, cdcNeoplasm ProteinsG1 Phase Cell Cycle CheckpointsProtein BindingPromoter Regions, GeneticCell Transformation, NeoplasticGene ExpressionFibroblastsMice, Inbred C57BLCyclin DCyclin B1DNAGene Expression ProfilingPhenotypeInterphaseBromodeoxyuridineRNA InterferenceUp-RegulationGene Expression Regulation, DevelopmentalCarrier ProteinsMice, NudeMenstrual CycleBreast NeoplasmsStem CellsEnzyme InhibitorsNeoplasms, ExperimentalProtein KinasesTranscription Factor DP1Mice, TransgenicMice, KnockoutProto-Oncogene Proteins c-mycGenes, Tumor Suppressor