Stem CellsCell ProliferationHematopoietic Stem CellsEmbryonic Stem CellsStem Cell TransplantationAdult Stem CellsCell DifferentiationCell DivisionCells, CulturedPluripotent Stem CellsNeural Stem CellsStem Cell NicheHematopoietic Stem Cell TransplantationSignal TransductionInduced Pluripotent Stem CellsMultipotent Stem CellsMesenchymal Stromal CellsMesenchymal Stem Cell TransplantationCell Line, TumorStem Cell FactorApoptosisCell CycleCell LineageMice, Inbred C57BLCell SurvivalCell LineBromodeoxyuridineFlow CytometryCell MovementImmunohistochemistryRNA, MessengerReverse Transcriptase Polymerase Chain ReactionStem Cell ResearchBone Marrow CellsRegenerationFetal Stem CellsBlotting, WesternPlant StemsGene Expression RegulationCell Culture TechniquesMice, TransgenicNeoplastic Stem CellsTime FactorsTranscription FactorsGene Expression Regulation, DevelopmentalMice, KnockoutEpithelial CellsGene ExpressionRNA, Small InterferingCell SeparationPhosphorylationCell CountGene Expression Regulation, NeoplasticHematopoietic Stem Cell MobilizationLymphocyte ActivationProliferating Cell Nuclear AntigenDown-RegulationTumor Cells, CulturedPhenotypeKi-67 AntigenCell Growth ProcessesFibroblastsGene Expression ProfilingModels, BiologicalTransfectionEmbryo, MammalianMice, NudeHematopoiesisT-LymphocytesDose-Response Relationship, DrugRNA InterferenceCell Transformation, NeoplasticUp-RegulationMice, SCIDOctamer Transcription Factor-3Molecular Sequence DataCoculture TechniquesHomeodomain ProteinsAntigens, CD34Antigens, CDColony-Forming Units AssayMice, Inbred BALB CDNA-Binding ProteinsDisease Models, AnimalNeurogenesisBase SequenceCyclin D1Gene Knockdown TechniquesRegenerative MedicineProto-Oncogene Proteins c-aktMutationProto-Oncogene Proteins c-kitTransplantation, HeterologousTransplantation, HomologousSpermatogoniaRats, Sprague-DawleyTransplantation, AutologousThymidineProto-Oncogene ProteinsAntineoplastic Agents