Cell CycleStem CellsAdult Stem CellsEmbryonic Stem CellsHematopoietic Stem CellsCell DifferentiationCell Cycle ProteinsCell Cycle CheckpointsStem Cell TransplantationG1 PhasePluripotent Stem CellsCell ProliferationCell DivisionMitosisS PhaseHematopoietic Stem Cell TransplantationStem Cell NicheNeural Stem CellsCyclinsInduced Pluripotent Stem CellsCells, CulturedApoptosisG2 PhaseMenstrual CycleMultipotent Stem CellsMesenchymal Stem Cell TransplantationFlow CytometryCyclin-Dependent Kinase Inhibitor p21Stem Cell FactorCyclin-Dependent Kinase Inhibitor p27Mesenchymal Stromal CellsCell LineRetinoblastoma ProteinSignal TransductionCell Line, TumorG2 Phase Cell Cycle CheckpointsCell LineageG0 PhaseTumor Suppressor Protein p53Transcription FactorsDNA-Binding ProteinsCDC2 Protein KinaseProtein-Serine-Threonine KinasesPhosphorylationG1 Phase Cell Cycle CheckpointsMolecular Sequence DataModels, BiologicalTime FactorsCyclin-Dependent Kinase 2Cyclin D1Gene Expression RegulationDNA DamageCell SurvivalNuclear ProteinsDNA ReplicationCyclin EMutationRNA, MessengerGenes, cdcCyclin AStem Cell ResearchInterphaseTumor Suppressor ProteinsPlant StemsCyclin BCyclin-Dependent Kinase 4Fetal Stem CellsGene Expression ProfilingCell NucleusTumor Cells, CulturedBase SequenceBromodeoxyuridineTranscription, GeneticBlotting, WesternCDC2-CDC28 KinasesGene Expression Regulation, DevelopmentalReverse Transcriptase Polymerase Chain Reactioncdc25 PhosphatasesHeLa CellsEstrous CycleBone Marrow CellsNeoplastic Stem CellsCell SeparationFibroblastsHematopoietic Stem Cell MobilizationDNAE2F Transcription FactorsEmbryo, MammalianMice, Inbred C57BLPhenotypeRegenerationAmino Acid SequenceSaccharomyces cerevisiaeCyclin B1Gene ExpressionCell Culture TechniquesImmunohistochemistryCyclin DTransfectionDown-Regulation