Thymidylate SynthaseBinding SitesFluorodeoxyuridylateDeoxyuracil NucleotidesThymidine MonophosphateFolic Acid AntagonistsFloxuridineGene ExpressionGene Expression ProfilingGene Expression RegulationAntimetabolites, AntineoplasticDihydrouracil Dehydrogenase (NADP)ThiophenesTetrahydrofolatesFluorouracilMolecular Sequence DataBase SequenceRNA, MessengerQuinazolinesNucleoside-Phosphate KinaseIsoindolesTrimetrexateFolic AcidDeoxyuridineTetrahydrofolate DehydrogenaseLactobacillus caseiPteroylpolyglutamic AcidsPromoter Regions, GeneticAmino Acid SequenceTranscription, GeneticLeukemia L1210KineticsOligonucleotide Array Sequence AnalysisMethyltransferasesPolyglutamic AcidProtein BindingCell LineMutationTranscription FactorsGene Expression Regulation, EnzymologicThymidine PhosphorylaseTumor Cells, CulturedEnzyme InhibitorsEscherichia coliMethotrexateGene Expression Regulation, NeoplasticThymine NucleotidesThymidineReverse Transcriptase Polymerase Chain ReactionDNA-Binding ProteinsModels, MolecularColonic NeoplasmsLeucovorinCloning, MolecularDNAColorectal NeoplasmsOrotate PhosphoribosyltransferaseGlycine HydroxymethyltransferaseCitrate (si)-SynthaseGlutamatesHydroxymethyl and Formyl TransferasesGene Expression Regulation, DevelopmentalTransfectionThymidine KinaseCells, CulturedReduced Folate Carrier ProteinGuanineDNA PrimersLentinanCell Line, TumorPlasmids5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePhosphoribosylaminoimidazolecarboxamide FormyltransferaseRecombinant ProteinsDrug Resistance, NeoplasmCrystallography, X-RayMethylenetetrahydrofolate Reductase (NADPH2)Time FactorsGlycogen SynthaseGlycogen Synthase Kinase 3Dose-Response Relationship, DrugStructure-Activity RelationshipCell CycleCell DivisionPolymorphism, GeneticProtein ConformationGene Expression Regulation, BacterialMutagenesis, Site-DirectedGene Expression Regulation, PlantPolymerase Chain ReactionPhosphoribosylglycinamide FormyltransferaseUracilNitric Oxide Synthase Type IImmunohistochemistryAntineoplastic AgentsDrug ResistanceMolecular StructureBlotting, WesternProtein BiosynthesisTandem Repeat Sequences