ThymidineThymidine KinaseThymidine PhosphorylaseTritiumThymidine MonophosphateCell DivisionDNADeoxyuridineThymine NucleotidesKineticsUridineBromodeoxyuridineCells, CulturedGanciclovirAutoradiographySimplexvirusCell LineNucleosidesDNA ReplicationCarbon IsotopesFloxuridineDeoxyribonucleosidesLeucineThymineIdoxuridineCarbon RadioisotopesMolecular Sequence DataBase SequenceTime FactorsThymidylate SynthaseMutationDeoxyribonucleotidesArabinofuranosyluracilUracilTumor Cells, CulturedAcyclovirPyrimidine NucleosidesLiverEscherichia coliProtein BiosynthesisL Cells (Cell Line)RNACell CycleLymphocytesDeoxyuracil NucleotidesNucleotidesMitogensRNA, MessengerDose-Response Relationship, DrugAntiviral AgentsPhospholipidsCell SurvivalAmino Acid SequenceCulture MediaDeoxycytosine NucleotidesHerpesvirus 1, HumanBromouracilTransfectionAmino AcidsAcetatesDNA, NeoplasmGenetic TherapyDeoxycytidine KinaseDNA-Directed DNA PolymeraseGlucosamineAminopterinCell ProliferationPhosphorylationGenetic VectorsCytidineMethionineGuanineIsotope LabelingLeukemia L1210Culture TechniquesCricetinaeHydroxyureaCattleLymphocyte ActivationRats, Inbred StrainsNucleoside-Phosphate KinaseZidovudineRabbitsHypoxanthinesRecombinant ProteinsChromatography, High Pressure LiquidPlasmidsDideoxynucleosidesElectrophoresis, Polyacrylamide GelCell NucleusBinding SitesMitosisGlucoseSubstrate SpecificityCell CountNeoplasms, ExperimentalAntimetabolitesGenes, ViralTranscription, GeneticProdrugs