HomocysteineHyperhomocysteinemiaVitamin B 12Folic AcidMethylenetetrahydrofolate Reductase (NADPH2)HomocystineVitamin B 6Vitamin B ComplexCystathionine beta-SynthaseOxidoreductases Acting on CH-NH Group DonorsMethionineVitamin B 12 Deficiency5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseFolic Acid DeficiencyBetaine-Homocysteine S-MethyltransferaseHomocystinuriaPyridoxine5,10-Methylenetetrahydrofolate Reductase (FADH2)Risk FactorsS-AdenosylhomocysteineHydroxocobalaminMethylmalonic AcidBiological MarkersVitamin B DeficiencyGypsiesCystathionineS-AdenosylmethionineCardiovascular DiseasesCreatinineVitamin B 6 DeficiencyGenotypeDietary SupplementsFastingPolymorphism, GeneticCase-Control StudiesSlovakiaHematinicsHLA-B51 AntigenPyridoxal PhosphateReference ValuesVascular DiseasesBetaineArteriosclerosisProspective StudiesKidney Failure, ChronicRenal DialysisHealthy VolunteersCystatinsRegression AnalysisHomocysteine S-MethyltransferaseFood, FortifiedThrombophlebitisReduced Folate Carrier ProteinBehcet SyndromeNutritional StatusStrokeDouble-Blind MethodCross-Sectional StudiesDietHomozygoteVitaminsEndothelium, VascularLipidsFollow-Up StudiesC-Reactive ProteinPantothenic AcidTime FactorsGlycine N-MethyltransferaseCoronary DiseaseTetrahydrofolatesMalondialdehydeCysteineAge FactorsPredictive Value of TestsChromatography, High Pressure LiquidPeripheral Vascular DiseasesLinear ModelsCholesterol, HDLGene FrequencyOdds RatioMultivariate AnalysisSex FactorsAdenosylhomocysteinaseCholesterolCoronary Artery DiseaseThrombosisAnalysis of VarianceTranscobalaminsCohort StudiesBrain IschemiaMalaysiaDose-Response Relationship, DrugPolymorphism, Single NucleotideTriglyceridesTunica IntimaSmokingCystatin CStatistics, NonparametricBody Mass IndexSarcosine