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s-adenosylmethionine and Vitamin B 12 Deficiency

s-adenosylmethionine has been researched along with Vitamin B 12 Deficiency in 42 studies

Research

Studies (42)

Timeframe	Studies, this research(%)	All Research%
pre-1990	16 (38.10)	18.7374
1990's	5 (11.90)	18.2507
2000's	14 (33.33)	29.6817
2010's	4 (9.52)	24.3611
2020's	3 (7.14)	2.80

Authors

Authors	Studies
Campbell, CD; Ficicioglu, C; Ganesh, J	1
Kushnir, MM; Pasquali, M; Roberts, WL; Shushan, B	1
Alberti, C; Benoist, JF; de Baulny, HO; Feillet, F; Garcia-Segarra, N; Guilmin-Crépon, S; Haignere, J; Imbard, A; Kaguelidou, F; Kuster, A; Magréault, S; Perronneau, I; Schiff, M; Schlemmer, D; Toumazi, A	1
Bharadwaj, B; Dhiman, P; Pillai, RR; Premkumar, N; Rajendiran, S; Ranjan, VP; Wilson, AB	1
Alberto, JM; Coelho, D; Dreumont, N; Guéant, JL; Hergalant, S; Kundu, U; Leheup, B; Meyer, M; Mosca, P; Robert, A; Umoret, R	1
Brosnan, JT; Brosnan, ME; Clow, KA; MacMillan, L; Randell, EW; Tingley, G; Young, SK	1
Gröber, U; Kisters, K; Schmidt, J	1
Bunout, D; de la Maza, MP; Hirsch, S; Leiva, L; Llanos, M; Montequin, MJ; Pinardi, G; Ronco, AM	1
Garcia, P; Herrmann, M; Herrmann, W; Hübner, U; Ross, S; Schorr, H; Taban-Shomal, O; Umanskaya, N; Wagner, A; Wildemann, B; Wolny, M	1
Halsted, CH; Medici, V	1
Duncan, TM; Nijhout, HF; Reed, MC	1
Carmel, R; James, SJ; Melnyk, S	1
Allen, RH; D'Almeida, V; Guerra-Shinohara, EM; Irazusta, SP; Morita, OE; Pagliusi, RA; Peres, S; Sampaio Neto, LF; Stabler, SP	1
Cavallaro, RA; D'Anselmi, F; Fuso, A; Scarpa, S; Seminara, L	1
Toohey, JI	1
Cedrola, S; Galbiati, S; Galmozzi, E; La Porta, CA; Morabito, A; Mutti, E; Scalabrino, G; Tredici, G; Veber, D	1
Boynton, A; Gregory, JF; James, SJ; Neuhouser, ML; Nijhout, HF; Reed, MC; Shane, B; Ulrich, CM	1
Allen, RH; Dolce, ET; Johnson, MA; Stabler, SP	1
Herrmann, W; Obeid, R	1
Alberto, JM; Audonnet-Blaise, S; Blaise, SA; Daval, JL; Guéant, JL	1
Cavallaro, RA; Confaloni, A; D'Anselmi, F; Fuso, A; Piscopo, P; Scarpa, S; Zampelli, A	1
Carney, MW; Reynolds, EH; Toone, BK	1
Gibson, J; Van der Westhuyzen, J	1
Brown, L; Sourial, NA	1
Chanarin, I; Deacon, R; Lumb, M; Perry, J	2
Poirier, LA; Shivapurkar, N	1
Dang, CV	1
Kennedy, DG; Kennedy, S; McKeever, M; Molloy, A; Scott, JM; Weir, DG; Young, PB	1
Kennedy, DG; Kennedy, S; McKeever, M; Molloy, A; Scott, JM; Weir, DG; Young, P	1
Metz, J	1
Scott, JM; Weir, DG	1
Beuhring, KU; Shin, YS; Stokstad, EL	1
Bottiglieri, T; Chanarin, I; Metz, J; Van der Westhuyzen, J; Vieira-Makings, E	1
Doi, T; Iijima, T; Kawata, T; Maekawa, A; Tadano, N	1
Davis, DW; Hawkins, RA; Viña, JR	1
Abou-Saleh, MT; Coppen, A	1
Gawthorne, JM; Smith, RM	1
Stokstad, EL; Vidal, AJ	1
Hanna, ML; Hutton, JJ; Taylor, RT	1

Reviews

6 review(s) available for s-adenosylmethionine and Vitamin B 12 Deficiency

Article	Year
Neuroenhancement with vitamin B12-underestimated neurological significance. Nutrients, 2013, Dec-12, Volume: 5, Issue:12 Topics: Alzheimer Disease; Brain; Cognition; Homocysteine; Humans; Incidence; Randomized Controlled Trials as Topic; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2013
Vitamin-dependent methionine metabolism and alcoholic liver disease. Advances in nutrition (Bethesda, Md.), 2011, Volume: 2, Issue:5 Topics: Alcoholism; Animals; Epigenomics; Ethanol; Folic Acid Deficiency; Gene Expression Regulation; Humans; Liver; Liver Diseases, Alcoholic; Malnutrition; Methionine; Models, Animal; S-Adenosylmethionine; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamins	2011
Vitamin B12 and methionine synthesis: a critical review. Is nature's most beautiful cofactor misunderstood? BioFactors (Oxford, England), 2006, Volume: 26, Issue:1 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Biological Transport; Bone Marrow; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methionine; Methylation; Myelin Sheath; Nerve Tissue; S-Adenosylmethionine; Tetrahydrofolates; Vitamin B 12; Vitamin B 12 Deficiency	2006
Nitrous oxide, vitamin B12 deficiency and the methyl folate trap. Nutrition reviews, 1982, Volume: 40, Issue:5 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Anemia, Megaloblastic; Animals; Humans; Liver; Macaca fascicularis; Methionine; Methylmalonyl-CoA Mutase; Nervous System Diseases; Nitrous Oxide; Rats; S-Adenosylhomocysteine; S-Adenosylmethionine; Tetrahydrofolates; Vitamin B 12 Deficiency	1982
Brain function in the elderly: role of vitamin B12 and folate. British medical bulletin, 1999, Volume: 55, Issue:3 Topics: Aged; DNA; Folic Acid; Folic Acid Deficiency; Humans; Methylation; Nervous System Diseases; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency	1999
The biology of folate in depression: implications for nutritional hypotheses of the psychoses. Journal of psychiatric research, 1986, Volume: 20, Issue:2 Topics: Anorexia Nervosa; Biogenic Amines; Brain; Depressive Disorder; Diet; Folic Acid; Folic Acid Deficiency; Homocystinuria; Humans; Models, Theoretical; Pellagra; Pterins; S-Adenosylmethionine; Schizophrenia; Tryptophan; Vitamin B 12 Deficiency	1986

Trials

2 trial(s) available for s-adenosylmethionine and Vitamin B 12 Deficiency

Article	Year
Efficacy and pharmacokinetics of betaine in CBS and cblC deficiencies: a cross-over randomized controlled trial. Orphanet journal of rare diseases, 2022, 11-14, Volume: 17, Issue:1 Topics: Betaine; Child; Cystathionine beta-Synthase; Homocysteine; Homocystinuria; Humans; Methionine; Prospective Studies; S-Adenosylmethionine; Vitamin B 12 Deficiency	2022
Elevated serum S-adenosylhomocysteine in cobalamin-deficient elderly and response to treatment. The American journal of clinical nutrition, 2006, Volume: 84, Issue:6 Topics: Aged; Aged, 80 and over; Analysis of Variance; Cohort Studies; Dose-Response Relationship, Drug; Double-Blind Method; Female; Gas Chromatography-Mass Spectrometry; Humans; Kidney; Linear Models; Male; Middle Aged; Nutrition Assessment; S-Adenosylhomocysteine; S-Adenosylmethionine; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2006

Article

Year

Efficacy and pharmacokinetics of betaine in CBS and cblC deficiencies: a cross-over randomized controlled trial.

Orphanet journal of rare diseases, 2022, 11-14, Volume: 17, Issue:1

Topics: Betaine; Child; Cystathionine beta-Synthase; Homocysteine; Homocystinuria; Humans; Methionine; Prospective Studies; S-Adenosylmethionine; Vitamin B 12 Deficiency

2022

Elevated serum S-adenosylhomocysteine in cobalamin-deficient elderly and response to treatment.

The American journal of clinical nutrition, 2006, Volume: 84, Issue:6

Topics: Aged; Aged, 80 and over; Analysis of Variance; Cohort Studies; Dose-Response Relationship, Drug; Double-Blind Method; Female; Gas Chromatography-Mass Spectrometry; Humans; Kidney; Linear Models; Male; Middle Aged; Nutrition Assessment; S-Adenosylhomocysteine; S-Adenosylmethionine; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex

2006

Other Studies

34 other study(ies) available for s-adenosylmethionine and Vitamin B 12 Deficiency

Article	Year
Two newborns with nutritional vitamin B12 deficiency: challenges in newborn screening for vitamin B12 deficiency. Haematologica, 2005, Volume: 90, Issue:12 Suppl Topics: Acyl-CoA Dehydrogenase, Long-Chain; Anemia, Pernicious; Autoimmune Diseases; Biomarkers; Carnitine; Citrates; Cystathionine; False Negative Reactions; Female; Gastric Bypass; Heterozygote; Homocysteine; Humans; Hydroxocobalamin; Infant Food; Infant, Newborn; Malabsorption Syndromes; Male; Mass Spectrometry; Maternal-Fetal Exchange; Methylmalonic Acid; Neonatal Screening; Pregnancy; Pregnancy Complications; Vitamin B 12 Deficiency	2005
Serum acylcarnitines and vitamin B12 deficiency. Clinical chemistry, 2002, Volume: 48, Issue:7 Topics: Aged; Carnitine; Chromatography, High Pressure Liquid; Female; Humans; Male; Mass Spectrometry; Methylmalonic Acid; Middle Aged; Vitamin B 12 Deficiency	2002
Cross-sectional association between vitamin B12 status and probable postpartum depression in Indian women. BMC pregnancy and childbirth, 2021, Feb-17, Volume: 21, Issue:1 Topics: Adolescent; Adult; Cesarean Section; Cross-Sectional Studies; Depression, Postpartum; Diet; Female; Homocysteine; Humans; India; Methylmalonic Acid; Pregnancy; Pregnancy, Unplanned; Risk Factors; S-Adenosylmethionine; Serotonin; Social Class; Tetrahydrofolates; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2021
Vitamin B Molecular nutrition & food research, 2021, Volume: 65, Issue:17 Topics: Adenosine; Animals; Fibroblasts; Gene Expression Regulation; Methylation; Mice, Knockout; Protein Kinase C-alpha; Receptors, Cell Surface; Recombinant Fusion Proteins; RNA, Messenger; S-Adenosylmethionine; Transcobalamins; Vitamin B 12 Deficiency	2021
Cobalamin Deficiency Results in Increased Production of Formate Secondary to Decreased Mitochondrial Oxidation of One-Carbon Units in Rats. The Journal of nutrition, 2018, 03-01, Volume: 148, Issue:3 Topics: Animals; Carbon; Carbon Dioxide; Cytosol; Folic Acid; Formates; Glycine; Liver; Male; Mitochondria, Liver; Oxidation-Reduction; Oxidoreductases Acting on CH-NH Group Donors; Random Allocation; Rats, Sprague-Dawley; S-Adenosylmethionine; Sarcosine; Serine; Vitamin B 12; Vitamin B 12 Deficiency	2018
Lack of effect of diet-induced hypomethylation on endothelium-dependent relaxation in rats. Clinical nutrition (Edinburgh, Scotland), 2008, Volume: 27, Issue:6 Topics: Acetylcholine; Animals; Aorta, Thoracic; Atherosclerosis; Endothelium, Vascular; Folic Acid Deficiency; Homocysteine; In Vitro Techniques; Liver; Male; Methylation; Nitric Oxide Donors; Nitroprusside; Rats; Rats, Wistar; S-Adenosylmethionine; Vasodilation; Vitamin B 12; Vitamin B 12 Deficiency	2008
Experimental folate and vitamin B12 deficiency does not alter bone quality in rats. Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 2009, Volume: 24, Issue:4 Topics: Animals; Biomarkers; Biomechanical Phenomena; Body Weight; Bone and Bones; Bone Remodeling; Disease Models, Animal; Female; Folic Acid Deficiency; Homocysteine; Rats; Rats, Wistar; S-Adenosylhomocysteine; S-Adenosylmethionine; Vitamin B 12 Deficiency	2009
The relationship between intracellular and plasma levels of folate and metabolites in the methionine cycle: a model. Molecular nutrition & food research, 2013, Volume: 57, Issue:4 Topics: Cystathionine beta-Synthase; Down Syndrome; Folic Acid; Folic Acid Deficiency; Half-Life; Homocysteine; Humans; Methionine; Methylation; Models, Theoretical; Nutrition Surveys; Nutritional Status; Oxidative Stress; S-Adenosylmethionine; Vitamin B 12 Deficiency; Vitamin B Complex; Vitamins	2013
Cobalamin deficiency with and without neurologic abnormalities: differences in homocysteine and methionine metabolism. Blood, 2003, Apr-15, Volume: 101, Issue:8 Topics: Anemia; Anemia, Pernicious; Cysteine; Dipeptides; Folic Acid; Glutathione; Homocysteine; Humans; Memory Disorders; Methionine; Movement Disorders; Nervous System Diseases; Retrospective Studies; S-Adenosylmethionine; Sensation Disorders; Vitamin B 12; Vitamin B 12 Deficiency	2003
Low ratio of S-adenosylmethionine to S-adenosylhomocysteine is associated with vitamin deficiency in Brazilian pregnant women and newborns. The American journal of clinical nutrition, 2004, Volume: 80, Issue:5 Topics: Adult; Birth Weight; Brazil; Female; Fetal Blood; Gestational Age; Homocysteine; Humans; Infant, Newborn; Pregnancy; ROC Curve; S-Adenosylhomocysteine; S-Adenosylmethionine; Social Class; Vitamin B 12 Deficiency	2004
S-adenosylmethionine/homocysteine cycle alterations modify DNA methylation status with consequent deregulation of PS1 and BACE and beta-amyloid production. Molecular and cellular neurosciences, 2005, Volume: 28, Issue:1 Topics: Alzheimer Disease; Amyloid beta-Peptides; Amyloid beta-Protein Precursor; Amyloid Precursor Protein Secretases; Aspartic Acid Endopeptidases; Brain; Cell Line, Tumor; Culture Media, Serum-Free; DNA Methylation; Endopeptidases; Folic Acid Deficiency; Gene Expression; Homocysteine; Humans; Membrane Proteins; Presenilin-1; Promoter Regions, Genetic; S-Adenosylmethionine; Vitamin B 12 Deficiency	2005
Increased levels of the CD40:CD40 ligand dyad in the cerebrospinal fluid of rats with vitamin B12(cobalamin)-deficient central neuropathy. Journal of neuroimmunology, 2006, Volume: 176, Issue:1-2 Topics: Animals; CD40 Antigens; CD40 Ligand; Gastrectomy; Male; Nerve Degeneration; Rats; Rats, Sprague-Dawley; S-Adenosylmethionine; Spinal Cord; Transforming Growth Factor beta; Transforming Growth Factor beta1; Vitamin B 12 Deficiency	2006
A mathematical model gives insights into nutritional and genetic aspects of folate-mediated one-carbon metabolism. The Journal of nutrition, 2006, Volume: 136, Issue:10 Topics: Betaine; Carbon; DNA Methylation; Folic Acid; Formate-Tetrahydrofolate Ligase; Homocysteine; Humans; Kinetics; Mathematics; Methionine; Methylation; Methylenetetrahydrofolate Reductase (NADPH2); Models, Biological; Molecular Biology; Nutritional Physiological Phenomena; Phosphoribosylaminoimidazolecarboxamide Formyltransferase; Polymorphism, Genetic; S-Adenosylmethionine; Vitamin B 12 Deficiency	2006
Priorities in the discovery of the implications of water channels in epilepsy and Duchenne muscular dystrophy. Cellular and molecular biology (Noisy-le-Grand, France), 2006, Dec-31, Volume: 52, Issue:5 Topics: Aquaporins; Brain; Epilepsy; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Muscular Dystrophy, Duchenne; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency	2006
Influence of preconditioning-like hypoxia on the liver of developing methyl-deficient rats. American journal of physiology. Endocrinology and metabolism, 2007, Volume: 293, Issue:6 Topics: Animals; Animals, Newborn; Apoptosis; Cell Proliferation; Choline Deficiency; Cystathionine beta-Synthase; Female; Folic Acid; Folic Acid Deficiency; Food, Formulated; Glutathione; Homocysteine; Hypoxia; Liver; Nitric Oxide Synthase Type II; Pregnancy; Rats; Rats, Wistar; Riboflavin; Riboflavin Deficiency; S-Adenosylhomocysteine; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Deficiency	2007
gamma-Secretase is differentially modulated by alterations of homocysteine cycle in neuroblastoma and glioblastoma cells. Journal of Alzheimer's disease : JAD, 2007, Volume: 11, Issue:3 Topics: Aged; Alzheimer Disease; Amyloid beta-Protein Precursor; Amyloid Precursor Protein Secretases; Antioxidants; Aspartic Acid Endopeptidases; Blotting, Western; Cell Line, Tumor; DNA Methylation; DNA Primers; Folic Acid; Glioblastoma; Homocysteine; Humans; Neuroblastoma; Oxidative Stress; Polymerase Chain Reaction; Presenilin-1; S-Adenosylmethionine; Up-Regulation; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2007
The methyl-folate trap and the supply of S-adenosylomethionine. Lancet (London, England), 1981, Oct-03, Volume: 2, Issue:8249 Topics: Brain; Brain Diseases; Folic Acid; Methionine; Methylation; S-Adenosylmethionine; Vitamin B 12 Deficiency	1981
Methylation and mood. Lancet (London, England), 1984, Jul-28, Volume: 2, Issue:8396 Topics: Anemia, Megaloblastic; Brain; Depressive Disorder; Emotions; Folic Acid Deficiency; Humans; Methylation; S-Adenosylmethionine; Schizophrenia; Vitamin B 12; Vitamin B 12 Deficiency	1984
Effect of L-dihydroxyphenylalanine (L-dopa) and methionine on tissue S-adenosylmethionine concentrations in cobalamin-inactivated fruit bats. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1984, Volume: 54, Issue:4 Topics: Animals; Brain; Chiroptera; Levodopa; Liver; Methionine; Nervous System; Nitrous Oxide; S-Adenosylmethionine; Vitamin B 12 Deficiency	1984
Regulation of cobalamin and folate metabolism by methionine in human bone marrow cultures. Scandinavian journal of haematology, 1983, Volume: 31, Issue:5 Topics: Bone Marrow Cells; Cells, Cultured; Deoxyuridine; Folic Acid Deficiency; Glutathione; Humans; Methionine; S-Adenosylmethionine; Vitamin B 12 Deficiency	1983
Chronic cobalamin inactivation impairs folate polyglutamate synthesis in the rat. The Journal of clinical investigation, 1983, Volume: 71, Issue:5 Topics: Adenosine; Animals; Deoxyadenosines; Folic Acid; Formyltetrahydrofolates; Liver; Male; Methionine; Nitrous Oxide; Pteroylpolyglutamic Acids; Rats; Rats, Inbred Strains; S-Adenosylmethionine; Tetrahydrofolates; Thionucleosides; Vitamin B 12; Vitamin B 12 Deficiency	1983
Tissue levels of S-adenosylmethionine and S-adenosylhomocysteine in rats fed methyl-deficient, amino acid-defined diets for one to five weeks. Carcinogenesis, 1983, Volume: 4, Issue:8 Topics: Animals; Body Weight; Choline Deficiency; Diet; Folic Acid Deficiency; Homocysteine; Kinetics; Liver; Lung; Male; Methionine; Methylation; Rats; Rats, Inbred F344; S-Adenosylhomocysteine; S-Adenosylmethionine; Testis; Tissue Distribution; Vitamin B 12 Deficiency	1983
Tobacco-alcohol amblyopia: a proposed biochemical basis for pathogenesis. Medical hypotheses, 1981, Volume: 7, Issue:11 Topics: Alcoholism; Amblyopia; Animals; Biotransformation; Cyanides; Deficiency Diseases; Folic Acid Deficiency; Humans; Models, Biological; S-Adenosylmethionine; Smoking; Thiamine Deficiency; Vitamin B 12 Deficiency	1981
How vitamin B12 acts. British journal of haematology, 1981, Volume: 47, Issue:4 Topics: Anemia, Macrocytic; Anemia, Megaloblastic; Animals; Folic Acid; Humans; Methionine; Pteroylpolyglutamic Acids; S-Adenosylmethionine; Thymidine; Vitamin B 12 Deficiency	1981
An abnormal methylation ratio induces hypomethylation in vitro in the brain of pig and man, but not in rat. Clinical science (London, England : 1979), 1995, Volume: 88, Issue:1 Topics: Animals; Brain; Death; Female; Humans; Methylation; Methyltransferases; Nitrous Oxide; Rats; Rats, Wistar; S-Adenosylhomocysteine; S-Adenosylmethionine; Species Specificity; Swine; Time Factors; Vitamin B 12 Deficiency	1995
Demonstration of hypomethylation of proteins in the brain of pigs (but not in rats) associated with chronic vitamin B12 inactivation. Clinical science (London, England : 1979), 1995, Volume: 88, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Brain; Female; Methylation; Nitrous Oxide; Proteins; Rats; Rats, Wistar; S-Adenosylhomocysteine; S-Adenosylmethionine; Swine; Vitamin B 12 Deficiency	1995
Pathogenesis of cobalamin neuropathy: deficiency of nervous system S-adenosylmethionine? Nutrition reviews, 1993, Volume: 51, Issue:1 Topics: Child, Preschool; Folic Acid; Folic Acid Deficiency; Humans; Infant; Infant, Newborn; Metabolism, Inborn Errors; Nervous System Diseases; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency	1993
The relationships between vitamin B12 and folic acid and the effect of methionine on folate metabolism. Molecular and cellular biochemistry, 1975, Nov-14, Volume: 9, Issue:2 Topics: Animals; Biological Transport; Diet; Folic Acid; Formiminoglutamic Acid; Histidine; Liver; Male; Methionine; Perfusion; Rats; S-Adenosylmethionine; Vitamin B 12; Vitamin B 12 Deficiency	1975
Cobalamin neuropathy. Is S-adenosylhomocysteine toxicity a factor? The Biochemical journal, 1990, Mar-15, Volume: 266, Issue:3 Topics: Animals; Brain Chemistry; Chiroptera; Chromatography, High Pressure Liquid; Homocysteine; Liver; Methionine; Neuromuscular Diseases; S-Adenosylhomocysteine; S-Adenosylmethionine; Valine; Vitamin B 12 Deficiency	1990
Effect of vitamin B12 deficiency on S-adenosylmethionine metabolism in rats. Journal of nutritional science and vitaminology, 1989, Volume: 35, Issue:1 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Brain; Chromatography, High Pressure Liquid; Glycine N-Methyltransferase; Liver; Male; Methionine Adenosyltransferase; Methyltransferases; Rats; Rats, Inbred Strains; S-Adenosylmethionine; Vitamin B 12 Deficiency	1989
The influence of nitrous oxide on methionine, S-adenosylmethionine, and other amino acids. Anesthesiology, 1986, Volume: 64, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acids; Animals; Brain; Glutathione; Liver; Male; Methionine; Methylmalonyl-CoA Mutase; Nitrous Oxide; Rats; S-Adenosylmethionine; Vitamin B 12 Deficiency	1986
Folic acid metabolism in vitamin B12-deficient sheep. Effects of injected methionine on methotrexate transport and the activity of enzymes associated with folate metabolism in liver. The Biochemical journal, 1974, Volume: 142, Issue:1 Topics: Animals; Biological Transport; Carbon Radioisotopes; Female; Folic Acid; Homocysteine; Liver; Membranes; Methionine; Methotrexate; Methyltransferases; NAD; NADP; S-Adenosylmethionine; Serum Albumin, Bovine; Sheep; Tetrahydrofolate Dehydrogenase; Tritium; Vitamin B 12; Vitamin B 12 Deficiency	1974
Urinary excretion of 5-methyltetrahydrofolate and liver S-adenosylmethionine levels of rats fed a vitamin B 12-deficient diet. Biochimica et biophysica acta, 1974, Sep-05, Volume: 362, Issue:2 Topics: Animals; Bacteria; Biological Assay; Biological Transport; Carbon Radioisotopes; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Paper; Chromatography, Thin Layer; Drug Stability; Ethionine; Folic Acid; Liver; Male; Methionine; Rats; S-Adenosylmethionine; Tetrahydrofolates; Time Factors; Tritium; Vitamin B 12; Vitamin B 12 Deficiency	1974
5-methyltetrahydrofolate homocysteine cobalamin methyltransferase in human bone marrow and its relationship to pernicious anemia. Archives of biochemistry and biophysics, 1974, Volume: 165, Issue:2 Topics: Anemia, Pernicious; Bone Marrow; Bone Marrow Cells; Carbon Radioisotopes; Cell-Free System; Chromatography, Ion Exchange; Erythrocytes; Homocysteine; Humans; Kinetics; Methyltransferases; S-Adenosylmethionine; Tetrahydrofolates; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency	1974