Cell CommunicationNeural Cell Adhesion MoleculesGap JunctionsCommunicationIntercellular JunctionsOligonucleotide Array Sequence AnalysisSignal TransductionGene Expression ProfilingConnexinsCells, CulturedCoculture TechniquesModels, BiologicalDrosophilaNeural Cell Adhesion Molecule L1Gene Expression RegulationCell LineGene ExpressionCell Adhesion Molecules, NeuronalAnimal CommunicationNeuronsSialic AcidsCommunication DisordersHealth CommunicationCommunication Aids for DisabledNonverbal CommunicationLeukocyte L1 Antigen ComplexCommunication BarriersPhysician-Patient RelationsComputer Communication NetworksCell DifferentiationRadiology Information SystemsConnexin 43BrainSialyltransferasesNervous SystemHospital Communication SystemsNeuritesInterdisciplinary CommunicationCell Adhesion MoleculesAstrocytesNeurogliaAntigens, SurfaceNerve Tissue ProteinsCommunication Methods, TotalCell Adhesion