Cell DifferentiationCell Line, TumorTumor Cells, CulturedCells, CulturedSignal TransductionCell ProliferationCell DivisionCell LineRNA, MessengerTranscription FactorsTumor Markers, BiologicalStem CellsMice, Inbred C57BLNeoplasms, ExperimentalGene Expression Regulation, DevelopmentalReverse Transcriptase Polymerase Chain ReactionTumor Necrosis Factor-alphaImmunohistochemistryGene Expression RegulationEmbryonic Stem CellsMolecular Sequence DataTumor BurdenCell LineageDNA-Binding ProteinsBase SequenceMice, TransgenicApoptosisFlow CytometryMice, Inbred BALB CTransfectionNeoplasmsCell SurvivalGene ExpressionMice, KnockoutTretinoinPhenotypeNeoplasm ProteinsBlotting, WesternTumor Suppressor Protein p53Time FactorsMice, NudeGene Expression ProfilingNeoplasm MetastasisDown-RegulationGene Expression Regulation, NeoplasticTumor Suppressor ProteinsTranscription, GeneticMutationGenes, Tumor SuppressorAntigens, NeoplasmMammary Neoplasms, ExperimentalCell CyclePromoter Regions, GeneticHomeodomain ProteinsUp-RegulationNeoplasm TransplantationCell Transformation, NeoplasticBrain NeoplasmsTransplantation, HeterologousCell MovementWilms TumorAdenocarcinomaModels, BiologicalCarcinoma, Ehrlich TumorSex DifferentiationNeovascularization, PathologicColonic NeoplasmsRNA, Small InterferingAntibodies, MonoclonalTrans-ActivatorsAntineoplastic AgentsMice, SCIDEpithelial CellsTumor MicroenvironmentIn Situ HybridizationNeoplastic Cells, CirculatingRepressor ProteinsAmino Acid SequenceXenograft Model Antitumor AssaysProto-Oncogene ProteinsCarcinoid TumorDNA PrimersPhosphorylationBreast NeoplasmsFibrosarcomaMembrane ProteinsB-LymphocytesCell Culture TechniquesCell AdhesionBasic Helix-Loop-Helix Transcription FactorsPolymerase Chain ReactionAntigens, DifferentiationHL-60 CellsNeuroendocrine TumorsCoculture TechniquesHematopoietic Stem CellsEmbryo, MammalianOligonucleotide Array Sequence AnalysisMesenchymal Stromal CellsBone Marrow Cells