Cell CycleCell DifferentiationCell Cycle ProteinsCells, CulturedCell DivisionSignal TransductionTranscription FactorsCell ProliferationCell LineCell Cycle CheckpointsStem CellsGene Expression Regulation, DevelopmentalGene Expression RegulationRNA, MessengerDNA-Binding ProteinsEmbryonic Stem CellsMolecular Sequence DataG1 PhaseCell LineageApoptosisMitosisBase SequenceCyclinsFlow CytometryTretinoinS PhaseReverse Transcriptase Polymerase Chain ReactionTranscription, GeneticMice, Inbred C57BLTumor Cells, CulturedNuclear ProteinsMice, KnockoutCell Line, TumorGene ExpressionPhenotypePhosphorylationModels, BiologicalTime FactorsMutationMice, TransgenicHomeodomain ProteinsImmunohistochemistryRetinoblastoma ProteinGene Expression ProfilingBlotting, WesternDown-RegulationCyclin-Dependent Kinase Inhibitor p21TransfectionPromoter Regions, GeneticCyclin-Dependent Kinase Inhibitor p27Sex DifferentiationAmino Acid SequenceRepressor ProteinsTrans-ActivatorsG2 PhaseCell NucleusCell SurvivalMenstrual CycleEmbryo, MammalianProtein-Serine-Threonine KinasesHL-60 CellsG0 PhaseUp-RegulationEpithelial CellsProto-Oncogene ProteinsProtein BindingHematopoietic Stem CellsIn Situ HybridizationBasic Helix-Loop-Helix Transcription FactorsDNATumor Suppressor Protein p53RNA, Small InterferingBromodeoxyuridineDNA PrimersTumor Suppressor ProteinsNeuronsB-LymphocytesCell Culture TechniquesOligonucleotide Array Sequence AnalysisDimethyl SulfoxideG2 Phase Cell Cycle CheckpointsOsteogenesisOsteoblastsMesenchymal Stromal CellsCyclin D1Antigens, DifferentiationInterphaseRNA InterferenceLeukemia, Erythroblastic, AcuteBone Marrow CellsReceptors, NotchMyoblastsFibroblastsCarrier ProteinsCyclin-Dependent Kinase 2MorphogenesisMuscle DevelopmentCDC2 Protein KinaseDNA ReplicationFluorescent Antibody Technique