Cell CycleCell ProliferationCell Cycle ProteinsApoptosisCell DivisionCell Cycle CheckpointsCells, CulturedCell Line, TumorSignal TransductionG1 PhaseMitosisS PhaseCyclinsCell LineCell SurvivalCell DifferentiationFlow CytometryPhosphorylationTumor Suppressor Protein p53Tumor Cells, CulturedCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27RNA, MessengerBlotting, WesternCaspasesCaspase 3G2 PhaseRetinoblastoma ProteinTime FactorsBromodeoxyuridineCyclin D1Protein-Serine-Threonine KinasesMolecular Sequence DataProto-Oncogene Proteins c-bcl-2Gene Expression RegulationMenstrual CycleDNA-Binding ProteinsIn Situ Nick-End LabelingImmunohistochemistryG0 PhaseDown-RegulationMice, Inbred C57BLTranscription FactorsTransfectionG2 Phase Cell Cycle CheckpointsNuclear ProteinsG1 Phase Cell Cycle CheckpointsRNA, Small InterferingReverse Transcriptase Polymerase Chain ReactionDNA FragmentationMutationProliferating Cell Nuclear AntigenDNA DamageProto-Oncogene ProteinsTumor Suppressor ProteinsCell NucleusEnzyme ActivationModels, BiologicalFibroblastsGene Expression Regulation, NeoplasticDose-Response Relationship, DrugAntineoplastic AgentsDNACyclin-Dependent Kinase 2Cyclin EEnzyme InhibitorsDNA ReplicationMice, KnockoutHeLa CellsCDC2 Protein KinaseBase SequenceGene ExpressionCyclin Abcl-2-Associated X ProteinUp-RegulationKi-67 AntigenLymphocyte ActivationAmino Acid SequenceRNA InterferenceCyclin-Dependent Kinase 4Cell MovementTranscription, GeneticCell DeathEpithelial CellsInterphaseProtein BindingStem CellsGenes, cdcT-LymphocytesMice, TransgenicCyclin BE2F Transcription FactorsGene Expression ProfilingCDC2-CDC28 KinasesProto-Oncogene Proteins c-aktProto-Oncogene Proteins c-mycE2F1 Transcription FactorCarrier ProteinsCell Growth ProcessesCell Count