Cell CommunicationCell DifferentiationGap JunctionsCommunicationSignal TransductionIntercellular JunctionsGene Expression ProfilingOligonucleotide Array Sequence AnalysisCells, CulturedConnexinsCoculture TechniquesModels, BiologicalDrosophilaGene Expression RegulationCell LineGene ExpressionAnimal CommunicationStem CellsGene Expression Regulation, DevelopmentalCommunication DisordersTranscription FactorsHealth CommunicationCommunication Aids for DisabledSex DifferentiationNonverbal CommunicationEmbryonic Stem CellsRNA, MessengerCell LineageCell DivisionCommunication BarriersCell ProliferationTretinoinMolecular Sequence DataPhysician-Patient RelationsDNA-Binding ProteinsBase SequenceReverse Transcriptase Polymerase Chain ReactionPhenotypeMice, Inbred C57BLOsteoblastsOsteogenesisConnexin 43Homeodomain ProteinsImmunohistochemistryAntigens, DifferentiationComputer Communication NetworksMice, KnockoutNeuronsTime FactorsMesenchymal Stromal CellsMice, TransgenicAdipogenesisTranscription, GeneticRadiology Information SystemsCell Culture TechniquesMyoblastsIn Situ HybridizationTumor Cells, CulturedKeratinocytesTrans-ActivatorsBone Marrow CellsEmbryo, MammalianMuscle DevelopmentAdipocytesHematopoietic Stem CellsHospital Communication SystemsInterdisciplinary CommunicationTransfectionPromoter Regions, GeneticBlotting, WesternBasic Helix-Loop-Helix Transcription FactorsFlow CytometryDimethyl SulfoxideMutationEpidermisAmino Acid SequenceDown-RegulationRepressor ProteinsHL-60 CellsBone Morphogenetic ProteinsCell CycleEpithelial CellsLeukemia, Erythroblastic, AcuteUp-RegulationNuclear ProteinsMesodermApoptosisCommunication Methods, TotalAlkaline PhosphataseMembrane ProteinsNerve Tissue ProteinsMyoD ProteinReceptors, NotchDNA PrimersMorphogenesisBone Morphogenetic Protein 2