Cell CycleFlow CytometryCell Cycle ProteinsCell Cycle CheckpointsApoptosisCell DivisionCell ProliferationG1 PhaseImage CytometryCells, CulturedRegional Blood FlowS PhaseCell Line, TumorMitosisLaser Scanning CytometryBlood Flow VelocityCell SeparationCell DifferentiationCell LineCyclinsImmunophenotypingTime FactorsG2 PhaseCell SurvivalMenstrual CycleRNA, MessengerAntigens, CDTumor Cells, CulturedSignal TransductionCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27G0 PhaseG2 Phase Cell Cycle CheckpointsMolecular Sequence DataStem CellsRetinoblastoma ProteinT-LymphocytesCell CountMice, Inbred C57BLTumor Suppressor Protein p53Models, BiologicalPhenotypeBlotting, WesternPloidiesPhosphorylationImmunohistochemistryGene Expression RegulationDNAInterphaseReverse Transcriptase Polymerase Chain ReactionG1 Phase Cell Cycle CheckpointsAntibodies, MonoclonalFluorescent DyesDNA ReplicationMicroscopy, FluorescenceDNA DamageStaining and LabelingProtein-Serine-Threonine KinasesDNA-Binding ProteinsCyclin D1MutationCDC2 Protein KinaseCell NucleusBromodeoxyuridineGene ExpressionCD4-Positive T-LymphocytesB-LymphocytesAntineoplastic AgentsTranscription FactorsBase SequenceCyclin-Dependent Kinase 2Nuclear ProteinsLymphocyte ActivationCyclin EMice, Inbred BALB CDose-Response Relationship, DrugLymphocytesFibroblastsTransfectionBone Marrow CellsCyclin BGene Expression ProfilingDown-RegulationCyclin AFluorescent Antibody TechniqueAntigens, CD45HeLa CellsTumor Suppressor ProteinsAmino Acid SequenceT-Lymphocyte SubsetsHematopoietic Stem CellsGreen Fluorescent ProteinsSpleenCyclin-Dependent Kinase 4Genes, cdcTranscription, GeneticPropidiumMonocytesKineticsDNA, Neoplasm