Carcinoma, AdenosquamousCell DifferentiationAdenocarcinomaAdenocarcinoma, MucinousLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsImmunohistochemistryAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalCells, CulturedStomach NeoplasmsAdenocarcinoma, Bronchiolo-AlveolarRNA, MessengerSignal TransductionTranscription FactorsStem CellsCell ProliferationCell LineCell DivisionGene Expression Regulation, DevelopmentalCardiaSex DifferentiationTumor Cells, CulturedTumor Markers, BiologicalReverse Transcriptase Polymerase Chain ReactionColonic NeoplasmsCell Line, TumorCell LineageEmbryonic Stem CellsGene Expression RegulationMolecular Sequence DataGene Expression Regulation, NeoplasticDNA-Binding ProteinsTretinoinBase SequenceGene Expression ProfilingGene ExpressionHomeodomain ProteinsMice, Inbred C57BLMutationMice, TransgenicPhenotypePrognosisEsophagogastric JunctionNeoplasm StagingTime FactorsBlotting, WesternCarcinoma, Squamous CellKeratin-7Neoplasm ProteinsApoptosisAntigens, DifferentiationIn Situ HybridizationOsteogenesisOsteoblastsMice, KnockoutTrans-ActivatorsTranscription, GeneticPromoter Regions, GeneticUp-RegulationImmunoenzyme TechniquesTransfectionKeratinsFlow CytometryEndometrial NeoplasmsProto-Oncogene ProteinsMesenchymal Stromal CellsDown-RegulationAdipogenesisPrecancerous ConditionsNuclear ProteinsPolymerase Chain ReactionOligonucleotide Array Sequence AnalysisEpithelial CellsProstatic NeoplasmsCell CycleNeoplasms, Multiple PrimaryCell Culture TechniquesIntestinal NeoplasmsMyoblastsCell Transformation, NeoplasticMetaplasiaMembrane ProteinsNeoplasm InvasivenessNeuronsCell SurvivalBasic Helix-Loop-Helix Transcription FactorsDNA PrimersBone Marrow CellsMuscle DevelopmentMammary Neoplasms, ExperimentalHematopoietic Stem CellsAdipocytesDimethyl SulfoxideGenes, rasKeratinocytesCarcinoma, Signet Ring CellEmbryo, Mammalian