Cell CycleApoptosisCell Cycle ProteinsG1 PhaseS PhaseCell DivisionCell Cycle CheckpointsDisease ProgressionCell ProliferationCyclinsCell Line, TumorMitosisG2 PhaseRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent Kinase Inhibitor p21Signal TransductionPhosphorylationCyclin D1Protein-Serine-Threonine KinasesTumor Suppressor Protein p53Cyclin-Dependent Kinase 2Cell LineTumor Cells, CulturedCyclin ECells, CulturedCyclin-Dependent KinasesFlow CytometryDNA-Binding ProteinsCell SurvivalCyclin ACDC2 Protein KinaseG0 PhaseMolecular Sequence DataCyclin-Dependent Kinase 4E2F Transcription FactorsDNA DamageTumor Suppressor ProteinsNuclear ProteinsTranscription FactorsBlotting, WesternCDC2-CDC28 KinasesE2F1 Transcription FactorRNA, MessengerMutationG2 Phase Cell Cycle CheckpointsCyclin BHeLa CellsTransfectionTime FactorsDown-RegulationCaspasesGene Expression RegulationDNA ReplicationGene Expression Regulation, NeoplasticRNA, Small InterferingCell NucleusProto-Oncogene ProteinsProto-Oncogene Proteins c-bcl-2cdc25 PhosphatasesCaspase 3Genes, cdcG1 Phase Cell Cycle CheckpointsAntineoplastic AgentsApoptosis Regulatory ProteinsCyclin B1Models, BiologicalTranscription, GeneticAmino Acid SequenceCyclin DBase SequenceEnzyme ActivationEnzyme InhibitorsInterphaseProtein BindingCell DifferentiationFibroblastsDNAMenstrual CycleRNA InterferenceInhibitor of Apoptosis ProteinsCarrier ProteinsSaccharomyces cerevisiaeProtein KinasesReverse Transcriptase Polymerase Chain ReactionTranscription Factor DP1BromodeoxyuridineSaccharomyces cerevisiae ProteinsProto-Oncogene Proteins c-mycUp-RegulationRetinoblastoma-Binding Protein 1Microtubule-Associated ProteinsDose-Response Relationship, DrugGene ExpressionPromoter Regions, GeneticDNA FragmentationIn Situ Nick-End LabelingCyclin D3Cell Transformation, Neoplastic3T3 Cells