Cell CycleCell DifferentiationCell ProliferationCell Cycle ProteinsCell DivisionCells, CulturedSignal TransductionCell Cycle CheckpointsApoptosisCell LineStem CellsTranscription FactorsRNA, MessengerG1 PhaseMitosisCell Line, TumorGene Expression RegulationMolecular Sequence DataGene Expression Regulation, DevelopmentalDNA-Binding ProteinsS PhaseCyclinsFlow CytometryPhosphorylationBromodeoxyuridineTumor Cells, CulturedImmunohistochemistryTime FactorsCell SurvivalBase SequenceReverse Transcriptase Polymerase Chain ReactionMice, Inbred C57BLBlotting, WesternCyclin-Dependent Kinase Inhibitor p27MutationModels, BiologicalCyclin-Dependent Kinase Inhibitor p21Cell LineageNuclear ProteinsRetinoblastoma ProteinGene ExpressionPhenotypeTranscription, GeneticTransfectionMice, KnockoutDown-RegulationMice, TransgenicProtein-Serine-Threonine KinasesCyclin D1G2 PhaseAmino Acid SequenceDNAFibroblastsCell NucleusEmbryonic Stem CellsGene Expression ProfilingRNA, Small InterferingTumor Suppressor Protein p53Cell MovementG0 PhaseProto-Oncogene ProteinsMenstrual CycleEpithelial CellsUp-RegulationPromoter Regions, GeneticTumor Suppressor ProteinsGene Expression Regulation, NeoplasticHomeodomain ProteinsLymphocyte ActivationDNA ReplicationSex DifferentiationTretinoinRNA InterferenceTrans-ActivatorsProtein BindingG1 Phase Cell Cycle CheckpointsProliferating Cell Nuclear AntigenDose-Response Relationship, DrugRepressor ProteinsCyclin-Dependent Kinase 2NeuronsG2 Phase Cell Cycle CheckpointsHematopoietic Stem CellsDNA PrimersEmbryo, MammalianCyclin ECell CountCell Culture TechniquesInterphaseKeratinocytesEnzyme InhibitorsT-LymphocytesCell Transformation, NeoplasticCDC2 Protein KinaseIn Situ HybridizationCarrier ProteinsBone Marrow CellsOligonucleotide Array Sequence AnalysisCyclin AOsteoblasts