NeuroblastomaCell Line, TumorGanglioneuromaTumor Cells, CulturedOncogene Proteins3-IodobenzylguanidineGenes, mycGanglioneuroblastomaVanilmandelic AcidEsthesioneuroblastoma, OlfactoryGene AmplificationAbdominal NeoplasmsNervous System NeoplasmsGangliosidesApoptosisCell LineGene Expression Regulation, NeoplasticNeuronsBone Marrow NeoplasmsCell DifferentiationAdrenal Gland NeoplasmsTretinoinIodobenzenesHybrid CellsCell SurvivalNuclear ProteinsProto-Oncogene Proteins c-mycAntineoplastic AgentsNeuroectodermal Tumors, Primitive, PeripheralChromosomes, Human, Pair 1RNA, MessengerNeuritesTransfectionMolecular Sequence DataMice, NudeReverse Transcriptase Polymerase Chain ReactionCell ProliferationNeoplasm StagingBrain NeoplasmsBlotting, WesternPrognosisTime FactorsFenretinideBase SequenceHomovanillic AcidInfant, NewbornIsotretinoinXenograft Model Antitumor AssaysNeoplasm TransplantationGlioma