Cell CycleCell DifferentiationCell Cycle ProteinsCell Cycle CheckpointsCell DivisionCells, CulturedCell ProliferationG1 PhaseCell LineSignal TransductionTranscription FactorsMitosisS PhaseCyclinsRNA, MessengerStem CellsGene Expression RegulationDNA-Binding ProteinsMolecular Sequence DataApoptosisGene Expression Regulation, DevelopmentalFlow CytometryBase SequenceRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p21Cell Line, TumorG2 PhaseMenstrual CycleCyclin-Dependent Kinase Inhibitor p27PhosphorylationTumor Cells, CulturedNuclear ProteinsEmbryonic Stem CellsTranscription, GeneticCell LineageSex DifferentiationTime FactorsMutationReverse Transcriptase Polymerase Chain ReactionModels, BiologicalProtein-Serine-Threonine KinasesPhenotypeGene ExpressionG0 PhaseBlotting, WesternImmunohistochemistryG2 Phase Cell Cycle CheckpointsTretinoinTransfectionCell NucleusAmino Acid SequenceTumor Suppressor Protein p53Down-RegulationCell SurvivalGene Expression ProfilingPromoter Regions, GeneticMice, Inbred C57BLCyclin D1Mice, KnockoutCDC2 Protein KinaseG1 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 2Tumor Suppressor ProteinsHomeodomain ProteinsDNADNA ReplicationBromodeoxyuridineMice, TransgenicProto-Oncogene ProteinsCyclin ERepressor ProteinsInterphaseProtein BindingTrans-ActivatorsEmbryo, MammalianDNA DamageGenes, cdcRNA, Small InterferingCyclin AUp-RegulationFibroblastsNeuronsCyclin-Dependent Kinase 4Antigens, DifferentiationOsteoblastsHL-60 CellsDNA PrimersKeratinocytesOsteogenesisCyclin BHematopoietic Stem CellsCarrier ProteinsHeLa CellsOligonucleotide Array Sequence AnalysisRNA InterferenceCell Culture TechniquesIn Situ HybridizationCDC2-CDC28 KinasesMesenchymal Stromal CellsMyoblasts