Thymidylate SynthaseGene Expression ProfilingGenes, Wilms TumorGene Expression Regulation, NeoplasticOligonucleotide Array Sequence AnalysisWT1 ProteinsFluorodeoxyuridylateDeoxyuracil NucleotidesThymidine MonophosphateFolic Acid AntagonistsGene ExpressionWilms TumorFloxuridineGene Expression RegulationAntimetabolites, AntineoplasticRNA, MessengerDihydrouracil Dehydrogenase (NADP)ThiophenesFluorouracilTetrahydrofolatesBase SequenceMolecular Sequence DataQuinazolinesNucleoside-Phosphate KinaseIsoindolesCell Line, TumorTrimetrexateFolic AcidDeoxyuridineTumor Markers, BiologicalReverse Transcriptase Polymerase Chain ReactionPromoter Regions, GeneticLactobacillus caseiTetrahydrofolate DehydrogenaseMutationPteroylpolyglutamic AcidsTranscription, GeneticTranscription FactorsLeukemia L1210Cell LineDNA-Binding ProteinsMethyltransferasesPolyglutamic AcidColonic NeoplasmsTumor Cells, CulturedAmino Acid SequenceEnzyme InhibitorsThymidine PhosphorylaseMethotrexateGene Expression Regulation, EnzymologicTransfectionThymidineTumor Necrosis Factor-alphaThymine NucleotidesRNA, NeoplasmNeoplasmsKineticsLeucovorinGenes, Tumor SuppressorPolymerase Chain ReactionTumor Suppressor Protein p53Cell DivisionFrasier SyndromeColorectal NeoplasmsOrotate PhosphoribosyltransferaseAdenocarcinomaEscherichia coliKidney NeoplasmsTumor BurdenGlycine HydroxymethyltransferaseCitrate (si)-SynthaseHydroxymethyl and Formyl TransferasesTime FactorsGlutamatesCells, CulturedCloning, MolecularImmunohistochemistryGene Expression Regulation, DevelopmentalBinding SitesReduced Folate Carrier ProteinThymidine KinaseCell CycleGuanineDNA, NeoplasmDNAAntineoplastic AgentsPrognosisBreast NeoplasmsDose-Response Relationship, DrugLentinanBlotting, WesternDNA Primers5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePhosphoribosylaminoimidazolecarboxamide FormyltransferaseNeoplasm ProteinsMethylenetetrahydrofolate Reductase (NADPH2)Genetic VectorsCluster AnalysisDrug Resistance, NeoplasmPolymorphism, Genetic