Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseCell DivisionApoptosisMitosisS PhaseCell Line, TumorCyclinsCell ProliferationMolecular Sequence DataSignal TransductionCell LineRNA, MessengerG2 PhasePhosphorylationTransfectionTranscription FactorsDNA-Binding ProteinsTumor Suppressor Protein p53MutationCyclin-Dependent Kinase Inhibitor p21Protein-Serine-Threonine KinasesCyclin-Dependent Kinase Inhibitor p27Menstrual CycleGene ExpressionCells, CulturedGene Expression RegulationRetinoblastoma ProteinNuclear ProteinsCyclin D1Blotting, WesternBase SequenceTumor Cells, CulturedGene Expression Regulation, NeoplasticG2 Phase Cell Cycle CheckpointsMice, TransgenicAmino Acid SequenceTranscription, GeneticHeLa CellsG0 PhaseRNA, Small InterferingPromoter Regions, GeneticCyclin ECDC2 Protein KinaseUp-RegulationFlow CytometryCell NucleusReverse Transcriptase Polymerase Chain ReactionCyclin-Dependent Kinase 2Down-RegulationG1 Phase Cell Cycle CheckpointsProtein BindingImmunohistochemistryTumor Suppressor ProteinsCell DifferentiationTime FactorsDNA DamageCyclin ACell SurvivalSaccharomyces cerevisiaeDNA ReplicationModels, BiologicalProto-Oncogene ProteinsCyclin-Dependent Kinase 4RNA InterferenceCyclin BCarrier ProteinsGenes, cdcPhenotypeSaccharomyces cerevisiae ProteinsInterphaseRecombinant Fusion ProteinsCDC2-CDC28 KinasesGene Expression Profilingcdc25 PhosphatasesE2F Transcription FactorsFibroblastsDNAFungal ProteinsE2F1 Transcription FactorCyclin B1Repressor ProteinsDNA PrimersNeoplasm ProteinsAntineoplastic AgentsEnzyme ActivationProtein KinasesProto-Oncogene Proteins c-bcl-2Enzyme InhibitorsEstrous CycleMicrotubule-Associated ProteinsGene Knockdown TechniquesGene Expression Regulation, DevelopmentalMembrane ProteinsCyclin DBreast NeoplasmsMice, Inbred C57BLCloning, Molecular