Thymidylate SynthaseGene Expression ProfilingFluorodeoxyuridylateDeoxyuracil NucleotidesThymidine MonophosphateFolic Acid AntagonistsGene ExpressionFloxuridineGene Expression RegulationAntimetabolites, AntineoplasticDihydrouracil Dehydrogenase (NADP)RNA, MessengerThiophenesFluorouracilTetrahydrofolatesQuinazolinesNucleoside-Phosphate KinaseIsoindolesTrimetrexateFolic AcidDeoxyuridineBase SequenceMolecular Sequence DataTetrahydrofolate DehydrogenaseLactobacillus caseiPteroylpolyglutamic AcidsOligonucleotide Array Sequence AnalysisReverse Transcriptase Polymerase Chain ReactionLeukemia L1210Gene Expression Regulation, NeoplasticMethyltransferasesPolyglutamic AcidGene Expression Regulation, EnzymologicTranscription, GeneticEnzyme InhibitorsPromoter Regions, GeneticTumor Cells, CulturedThymidine PhosphorylaseCell LineMethotrexateImmunohistochemistryMutationThymidineThymine NucleotidesColonic NeoplasmsColorectal NeoplasmsAmino Acid SequenceBlotting, WesternLeucovorinCells, CulturedKineticsCell Line, TumorCitrate (si)-SynthaseOrotate PhosphoribosyltransferaseGlycine HydroxymethyltransferaseGene Expression Regulation, DevelopmentalHydroxymethyl and Formyl TransferasesTranscription FactorsGlutamatesCloning, MolecularTransfectionThymidine KinaseReduced Folate Carrier ProteinDNA-Binding ProteinsTime FactorsGuanineDrug Resistance, NeoplasmUp-RegulationLentinanCell CycleDown-RegulationDNADNA Primers5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseCell DivisionPhosphoribosylaminoimidazolecarboxamide FormyltransferaseDose-Response Relationship, DrugMethylenetetrahydrofolate Reductase (NADPH2)Glycogen Synthase Kinase 3Glycogen SynthasePolymerase Chain ReactionAntineoplastic AgentsNitric Oxide Synthase Type IProtein BiosynthesisPolymorphism, GeneticProtein BindingPhosphoribosylglycinamide FormyltransferaseGene Expression Regulation, PlantAdenocarcinomaPlasmidsSignal TransductionUracilDrug ResistanceGene Expression Regulation, BacterialNeoplasm ProteinsBlotting, NorthernModels, MolecularRNATandem Repeat SequencesRecombinant Proteins