GliomaBrain NeoplasmsGlioblastomaCell Line, TumorAstrocytomaTumor Cells, CulturedNeoplasm InvasivenessDacarbazineOptic Nerve GliomaMice, NudeApoptosisAntineoplastic Agents, AlkylatingAstrocytesGene Expression Regulation, NeoplasticCell ProliferationNeoplasm TransplantationGliosarcomaBrain Stem NeoplasmsCell SurvivalBlotting, WesternBrevicanCell MovementRNA, Small InterferingXenograft Model Antitumor AssaysTransfectionNimustineCell DivisionRNA, MessengerAntineoplastic AgentsCentral Nervous System NeoplasmsSignal TransductionSpheroids, CellularGenetic TherapyNeoplastic Stem CellsReverse Transcriptase Polymerase Chain ReactionNeoplasm GradingTransplantation, HeterologousRadiation-Sensitizing AgentsCarmustineRats, NudeFlow CytometryRadiation ToleranceBrainDown-RegulationImmunohistochemistryNeovascularization, PathologicAdenoviridaeIsocitrate DehydrogenaseNeurogliaSupratentorial NeoplasmsNeoplasm ProteinsRats, Inbred F344Matrix Metalloproteinase 2Cell Growth ProcessesGenetic VectorsGlial Fibrillary Acidic ProteinRNA InterferencePTEN PhosphohydrolaseProto-Oncogene Proteins c-aktTNF-Related Apoptosis-Inducing LigandCell LineUp-RegulationTumor Suppressor Protein p53Enzyme ActivationCell CycleCell DeathPhosphorylationCaspasesGene Knockdown TechniquesEnzyme InhibitorsOncolytic VirotherapyReceptor, Epidermal Growth FactorDrug Resistance, Neoplasm