Thymidylate SynthaseGenetic TherapyFluorodeoxyuridylateDeoxyuracil NucleotidesThymidine MonophosphateFolic Acid AntagonistsFloxuridineGene ExpressionGene Expression ProfilingGene Expression RegulationAntimetabolites, AntineoplasticDihydrouracil Dehydrogenase (NADP)ThiophenesFluorouracilTetrahydrofolatesRNA, MessengerInjections, IntralesionalQuinazolinesNucleoside-Phosphate KinaseIsoindolesTrimetrexateFolic AcidDeoxyuridineLactobacillus caseiTetrahydrofolate DehydrogenaseBase SequenceMolecular Sequence DataPteroylpolyglutamic AcidsLeukemia L1210MethyltransferasesOligonucleotide Array Sequence AnalysisPolyglutamic AcidThymidine PhosphorylaseTumor Cells, CulturedGene Expression Regulation, NeoplasticReverse Transcriptase Polymerase Chain ReactionMethotrexateColonic NeoplasmsGene Expression Regulation, EnzymologicEnzyme InhibitorsCell Line, TumorThymine NucleotidesTranscription, GeneticThymidineColorectal NeoplasmsPromoter Regions, GeneticLeucovorinMutationCell LineKineticsThymidine KinaseOrotate PhosphoribosyltransferaseGlycine HydroxymethyltransferaseCitrate (si)-SynthaseHydroxymethyl and Formyl TransferasesEscherichia coliAmino Acid SequenceImmunohistochemistryGlutamatesAntineoplastic AgentsGene Expression Regulation, DevelopmentalReduced Folate Carrier ProteinCloning, MolecularGuanineDrug Resistance, NeoplasmTranscription FactorsLentinanBinding SitesTransfection5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePhosphoribosylaminoimidazolecarboxamide FormyltransferaseTime FactorsCell DivisionMethylenetetrahydrofolate Reductase (NADPH2)DNACells, CulturedGlycogen SynthaseAdenocarcinomaDNA-Binding ProteinsGlycogen Synthase Kinase 3Cell CyclePhosphoribosylglycinamide FormyltransferasePolymorphism, GeneticMice, NudeDose-Response Relationship, DrugDNA PrimersGene Expression Regulation, PlantNitric Oxide Synthase Type IUracilPlasmidsPolymerase Chain ReactionNeoplasm TransplantationNeoplasmsDrug ResistanceBlotting, WesternGenetic VectorsTandem Repeat SequencesProtein BindingModels, MolecularPrognosis