Bystander EffectGanciclovirThymidine KinaseProdrugsAlpha ParticlesAniline MustardRadiobiologyGenetic TherapyCytosine DeaminaseGap JunctionsNitroreductasesAziridinesFlucytosineGenes, Transgenic, SuicideLinear Energy TransferConnexin 43Glycyrrhetinic Acid1-OctanolSimplexvirusGenetic VectorsTumor Cells, CulturedPhleomycinsAntimetabolitesCell CommunicationDose-Response Relationship, RadiationNucleoside DeaminasesDeuteroporphyrinsAdenoviridaeRadiation, IonizingAntiviral AgentsRadiation DosageCoculture TechniquesMicronuclei, Chromosome-DefectiveMicronucleus TestsX-RaysElectromagnetic RadiationApoptosisTransduction, GeneticGene Transfer TechniquesMice, NudeCell SurvivalDNA DamageIdoxuridinePentosyltransferasesTransfectionHerpesvirus 1, HumanNeoplasm TransplantationGliomaGamma RaysCardiopulmonary ResuscitationConnexinsCell Line, TumorRetroviridaeRadiation ToleranceRadiation-Protective AgentsCell DeathMice, Inbred BALB CFibroblastsWhole-Body Irradiation