Thymidylate SynthaseTetrahydrofolate DehydrogenaseFluorodeoxyuridylateDeoxyuracil NucleotidesFolic Acid AntagonistsThymidine MonophosphateFloxuridineGene ExpressionGene Expression ProfilingGene Expression RegulationAntimetabolites, AntineoplasticDihydrouracil Dehydrogenase (NADP)MethotrexateThiophenesTetrahydrofolatesDrug ResistanceFluorouracilRNA, MessengerBase SequenceQuinazolinesTrimetrexateNucleoside-Phosphate KinaseMolecular Sequence DataFolic AcidIsoindolesTrimethoprim ResistanceGene AmplificationDeoxyuridineLactobacillus caseiTranscription, GeneticPteroylpolyglutamic AcidsCricetinaeCell LinePyrimethamineLeukemia L1210Polyglutamic AcidPromoter Regions, GeneticDihydropteroate SynthaseMethyltransferasesDNAGenesOligonucleotide Array Sequence AnalysisMutationThymidine PhosphorylaseCricetulusEnzyme InhibitorsGene Expression Regulation, EnzymologicCloning, MolecularThymine NucleotidesThymidineGene Expression Regulation, NeoplasticTumor Cells, CulturedReverse Transcriptase Polymerase Chain ReactionKineticsEscherichia coliLeucovorinColonic NeoplasmsAmino Acid SequenceGlycine HydroxymethyltransferaseColorectal NeoplasmsPolymerase Chain ReactionOrotate PhosphoribosyltransferaseNucleic Acid HybridizationCitrate (si)-SynthaseHydroxymethyl and Formyl TransferasesGlutamatesReduced Folate Carrier ProteinSulfadoxineThymidine KinaseGene Expression Regulation, DevelopmentalBinding SitesCHO CellsGuanineTranscription FactorsPhosphoribosylaminoimidazolecarboxamide FormyltransferaseLentinanRetinoblastoma-Binding Protein 1Plasmodium falciparumDrug Resistance, Neoplasm5-Methyltetrahydrofolate-Homocysteine S-MethyltransferasePyrimidine DimersMethylenetetrahydrofolate Reductase (NADPH2)Drug CombinationsAntimalarialsDNA-Binding ProteinsGlycogen SynthaseCell Line, TumorPhosphoribosylglycinamide FormyltransferaseCells, CulturedTransfectionPolymorphism, GeneticCell CycleGlycogen Synthase Kinase 3DNA PrimersDNA Restriction EnzymesCell DivisionModels, MolecularRestriction MappingTime FactorsPlasmids