Cell ProliferationCell DifferentiationCell DivisionCells, CulturedSignal TransductionApoptosisCell Line, TumorCell LineRNA, MessengerCell CycleStem CellsTranscription FactorsImmunohistochemistryGene Expression RegulationGene Expression Regulation, DevelopmentalMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionBromodeoxyuridineCell SurvivalBlotting, WesternTumor Cells, CulturedCell MovementMice, KnockoutMolecular Sequence DataGene ExpressionPhosphorylationDown-RegulationMice, TransgenicFlow CytometryDNA-Binding ProteinsTransfectionLymphocyte ActivationRNA, Small InterferingEpithelial CellsTime FactorsBase SequenceCell LineagePhenotypeUp-RegulationGene Expression Regulation, NeoplasticEmbryonic Stem CellsProliferating Cell Nuclear AntigenTretinoinT-LymphocytesKi-67 AntigenHomeodomain ProteinsDose-Response Relationship, DrugSex DifferentiationFibroblastsRNA InterferenceTranscription, GeneticTrans-ActivatorsGene Expression ProfilingCell CountProto-Oncogene ProteinsCell Growth ProcessesModels, BiologicalNuclear ProteinsCell Culture TechniquesMice, Inbred BALB CMutationOsteoblastsCell Transformation, NeoplasticIn Situ HybridizationDNAGene Knockdown TechniquesPromoter Regions, GeneticTransforming Growth Factor betaGrowth InhibitorsMice, NudeEnzyme ActivationCyclin D1KeratinocytesBone Marrow CellsMesenchymal Stromal CellsAntigens, DifferentiationHematopoietic Stem CellsAmino Acid SequenceOsteogenesisProto-Oncogene Proteins c-aktEnzyme InhibitorsCyclin-Dependent Kinase Inhibitor p27DNA PrimersNeuronsThymidineEmbryo, MammalianCell Cycle ProteinsProto-Oncogene Proteins c-mycRepressor ProteinsRecombinant ProteinsB-LymphocytesCell AdhesionNeurogenesisRats, Sprague-DawleyExtracellular Signal-Regulated MAP KinasesProtein BindingMembrane ProteinsNeoplasm ProteinsMAP Kinase Signaling SystemProtein-Serine-Threonine Kinases