Page last updated: 2024-08-17

methionine and Deficiency, Vitamin B 12

methionine has been researched along with Deficiency, Vitamin B 12 in 177 studies

Research

Studies (177)

Timeframe	Studies, this research(%)	All Research%
pre-1990	111 (62.71)	18.7374
1990's	14 (7.91)	18.2507
2000's	26 (14.69)	29.6817
2010's	23 (12.99)	24.3611
2020's	3 (1.69)	2.80

Authors

Authors	Studies
Ghergurovich, JM; Rabinowitz, JD; Ryseck, RP; Wang, JZ; Wang, L; Xu, X; Yang, L	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
Cegan, A; Didangelos, T; Kantartzis, K; Kotzakioulafi, E; Peter, A; Schleicher, E	1
Bennett, CD; Bhat, DS; Gruca, LL; Kalhan, SC; Katre, P; Kurpad, AV; Yajnik, CS	1
Afroze, B; Ali, ZZ; Fatimah, M; Jafri, L; Jamil, A; Khan, AH; Majid, H; Yusufzai, N	1
Dolenc, MS; Geršak, K; Grželj, J; Mlinarič-Raščan, I; Vidmar, M	1
Mansoor, MA; Reine, A; Schneede, J; Stea, TH	1
Kawata, T; Maeda, N; Morinaga, E; Noguchi, J; Tadokoro, T; Yamada, H; Yamada, K; Yamamoto, Y; Yatake, H	1
Cheng, J; Lu, L; Wu, X	1
Dyer, RA; Innis, SM; King, DJ; Mulder, KA; Wu, BT	1
Jerome-Majewska, LA; Moreno-Garcia, MA; Rosenblatt, DS	1
Benoist, JF; Cornec-Le Gall, E; De Parscau, L; Delmas, Y; Doucet, L; Fremeaux-Bacchi, V; Le Meur, Y; Ogier, H	1
Merrigan, SD; Owen, WE; Straseski, JA	1
Adaikalakoteswari, A; Goljan, I; Saravanan, P; Webster, C	1
Levy, HL	1
Baird, SF; Forster, VJ; Halsey, C; Mair, S; Skinner, R; van Delft, FW	1
Li, H; Sieff, C	1
Ahrens-Nicklas, RC; Blair, J; Brochi, L; Burfield, J; Cuddapah, S; Ficicioglu, C; Kaplan, P; Whitaker, AM; Yudkoff, M	1
Adachi, T; Bito, T; Harada, N; Hironaka, S; Inui, H; Miura, T; Nakano, Y; Nakao, M; Watanabe, F; Yabuta, Y; Yamaji, R	1
Katsushima, K; Kawata, T; Kobayashi, K; Maeda, N; Maekawa, A; Ogata, A; Tadokoro, T; Uekawa, A; Yamamoto, Y	1
Deodato, F; Dionisi-Vici, C; Martinelli, D	1
Bosma, JP; Klip, H; Nooij, LS; van de Leur, JJ; van Eyck, J	1
Benight, NM; Burrin, DG; Chacko, S; da Silva, VR; Gregory, JF; Marini, JC; Stabler, SP; Stoll, B	1
Carrillo-Carrasco, N; Chandler, RJ; Venditti, CP	1
Brosnan, JT; Brosnan, ME; Lamarre, SG; Molloy, AM; Reinke, SN; Sykes, BD	1
Halsted, CH; Medici, V	1
Duncan, TM; Nijhout, HF; Reed, MC	1
Anand, P; Devi, S; Dwarkanath, P; Hsu, JW; Jahoor, F; Kurpad, AV; Mhaskar, R; Thomas, A; Thomas, T	1
Carmel, R; James, SJ; Melnyk, S	1
Miller, AL	1
Haynes, WG	1
Weimann, J	1
Alberto, JM; Antunes, L; Ayav, A; Braun, M; Bresler, L; Bronowicki, JP; Brunaud, L; Gérard, P; Guéant, JL; Namour, F	1
FIRTH, J; JAMES, MF; JOHNSON, BC; MISTRY, SP	1
HEUSER, GF; NORRIS, LC; YOUNG, RJ	1
ANDERSON, EI; HSU, PT; STEKOL, JA; WATJEN, A; WEISS, S	1
CALDARERA, CM; MARCHETTI, M; MORUZZI, G	2
MARCHETTI, M; MORUZZI, G; VIVIANI, R	3
BUCHANAN, JM; HATCH, FT; TAKEYAMA, S	1
BROWN, DD; GARDINER, RC; SILVA, OL; SILVERMAN, M	1
CALDARERA, CM; MARCHETTI, M	1
FOX, MR; LUDWIG, WJ	1
CALDARERA, CM; MARCHETTI, M; PUDDU, P	1
BIERI, JG; DICKERMAN, HW; REDFIELD, BG; WEISSBACH, H	1
CHANG, I; FIRTH, J; JOHNSON, BC; MISTRY, SP; VADOPALAITE, I	1
Adachi, K; Izumi, M; Mitsuma, T; Miura, N; Osano, Y; Takatsu, S; Terao, S	1
Baumgartner, MR; Berghaüser, M; Burlina, A; Coelho, D; Fowler, B; Herwig, J; Koch, HG; Kozich, V; Sewell, A; Suormala, T; Wraith, JE; Zavadakova, P	1
Budu, P; Nijhout, HF; Reed, MC; Ulrich, CM	1
Abbate, R; Brunelli, T; Falai, M; Fedi, S; Gensini, GF; Giusti, B; Gori, AM; Marcucci, R; Margheri, M; Pepe, G; Prisco, D	1
Fulton, AB; Hansen, RM; Marsden, DL; Tsina, EK	1
Toohey, JI	1
Albuquerque, B; Chao, WH; Rosenberg, J; Selhub, J; Shukitt-Hale, B; Smith, DE; Troen, AM	1
Adachi, S; Adachi, T; Ebara, S; Inui, H; Kono, N; Miura, T; Nakano, Y; Nakao, M; Yamaji, R	1
Boynton, A; Gregory, JF; James, SJ; Neuhouser, ML; Nijhout, HF; Reed, MC; Shane, B; Ulrich, CM	1
Kawata, T; Maekawa, A; Mori, K; Tadokoro, T; Tamai, H; Tanaka, N; Tobimatsu, T; Toraya, T; Wada, M; Yamada, K	1
Blazicek, P; Krajcovicova-Kudlackova, M; Mislanova, C; Paukova, V; Spustova, V; Valachovicova, M	1
Schneede, J; Ueland, PM	1
Ning, G; Zhang, YF	1
Hegsted, DM; Vitale, JJ	1
Scott, JM; Weir, DG	1
de Camargo, JL; Nauss, KM; Newbene, PM	1
Gibson, J; Van der Westhuyzen, J	1
Brown, L; Sourial, NA	1
Metz, J; van der Westhuyzen, J	2
Linnell, JC; Mikol, YB; Poirier, LA; Wilson, MJ	1
Chanarin, I; Deacon, R; Lumb, M; Perry, J	4
Poirier, LA; Shivapurkar, N	1
Nauss, KM; Newberne, PM	1
Wickramasinghe, SN	1
Fernandes-Costa, F; Metz, J; van der Westhuyzen, J	1
McGing, PG; Scott, JM	1
Akesson, B; Fehling, C; Jägerstad, M	1
Christman, JK	1
Allen, RH; Lindenbaum, J; Stabler, SP	2
Baik, MG; Choi, CB; Keller, WL; Park, CS	1
Guttormsen, AB; Refsum, H; Schneede, J; Ueland, PM	1
Burnett, AK; Ramsahoye, BH; Taylor, C	1
Abad, LW; Dellaripa, P; Muldoon, BA; Nadeau, MR; Rosenberg, IH; Roubenoff, R; Selhub, J	1
Refsum, H; Schneede, J; Ueland, PM	1
Robinson, K; van Guldener, C	1
Babinská, K; Béderová, A; Blazícek, P; Kopcová, J; Krajcovicová-Kudlácková, M	1
Baker, PJ; Banerjee, R; Brody, LC; Garrett, L; Harris, M; Liu, ML; Shane, B; Stitzel, M; Swanson, DA; Wu, J	1
Mathé, G	1
Ruaux, CG; Steiner, JM; Williams, DA	1
Das, KC; Herbert, V	2
Batra, KK; Stokstad, EL; Watson, JE	1
Alexander, JC; Hill, DC; Hopkins, JB; Philbrick, DJ; Thomson, RG	1
Lewis, RD; Peifer, JJ	1
Abzug-Horowitz, S; Russell, A; Statter, M	1
Davidson, GE; Scott, JM; Weir, DG	1
Chiao, F; Stokstad, EL	1
Shane, B; Stokstad, EL; Watson, JE	1
Chiao, FF; Stokstad, EL	1
Erbe, RE	1
Brothers, V; Gerritsen, T; Rowley, BN	1
Stokstad, EL; Vidal, AJ	2
Beuhring, KU; Shin, YS; Stokstad, EL	1
Cheng, FW; Shane, B; Stokstad, EL	1
Briggs, GM; Cohen, NL; Reyes, PS; Tseng, RY	1
Spray, GH; Williams, DL	2
Garovic-Kocic, V; Rosenblatt, DS	1
Chetty, N; Metz, J; Reavis, SC; Vieira-Makings, E	1
Baumgartner, R; Bubl, R; Kühne, T	1
Christman, JK; Dizik, M; Wainfan, E	1
Maree, KA; Metz, J; van der Westhuyzen, J	1
Bottiglieri, T; Chanarin, I; Metz, J; Van der Westhuyzen, J; Vieira-Makings, E	1
Andry, CD; Kupchik, HZ; Rogers, AE	1
Newberne, PM; Rogers, AE	2
Dizik, M; Hoshina, S; Hsieh, LL; Wainfan, E; Weinstein, IB	1
Christman, JK; Dizik, M; Stender, M; Wainfan, E	1
Chanarin, I; Deacon, R; Lumb, M; Muir, M; Perry, J	1
Davis, DW; Hawkins, RA; Viña, JR	1
Newberne, PM	1
Davis, RE; Icke, GC; Metz, J; van der Westhuyzen, J	1
Monserrat, AJ; Perazzo, JC; Roberti, MF	1
Allen, RH; Lindenbaum, J; Marcell, PD; Podell, ER; Savage, DG; Stabler, SP	1
Dizik, M; Kilkenny, M; Wainfan, E	1
Rosenblatt, DS; Watkins, D	1
Eto, I; Krumdieck, CL	1
Karasawa, M; Maekawa, T; Omine, M; Yamauchi, H	1
Boyd, JN; Graham, ES; Graham, TC; Sherman, WK; Tennant, BC	1
Cooper, BA; Erbe, RW; Rosenblatt, DS; Thomas, IT; Watkins, D	1
Shane, B; Stokstad, EL	1
Balis, ME; Dizik, M; Hluboky, M; Wainfan, E	1
Gibson, JE; Kilroe-Smith, TA; Metz, J; van der Westhuyzen, J; van Tonder, SV	1
Chanarin, I	1
Gawthorne, JM; Osborne-White, WS; Smith, RM	1
Gawthorne, JM; Smith, RM	1
Woodard, JC	1
Chanarin, I; England, JM; Mollin, C; Perry, J	1
Gottlieb, LS; Hegsted, DM; Iseri, OA; Vitale, JJ	1
Batra, KK; Buehring, KU; Stokstad, EL	2
Hoffbrand, AV; Waters, AH	1
Hakami, N; Sagerson, RN; Scott, CR; Teng, CC	1
Stokstad, EL; Thenen, SW	1
Ellegaard, J; Esmann, V	1
Costa, M; Fiori, A; Orlando, M	1
Giorgio, AJ; Linarelli, LG; Macdonald, RR; Rubin, HM	1
Bertino, JR; Nixon, PF	1
Corcino, J; Herbert, V; Waxman, S	1
Baldwin, GS; Carnegie, PR	1
Landureau, JC	1
Abbott, JM; Oace, SM	1
Fuller, HL; Keshavarz, K	1
Fenrych, W; Hansz, J; Wierusz, B; Wysocki, K	1
Fontaine, G	1
Edelstein, S; Guggenheim, K	1
Johnson, BC; Venkataraman, S; Walerych, W	1
Spatz, R	1
Kusubov, N; Stahelin, HB; Winchell, HS	1
Allen, SH; Marston, HR	1
Abeles, RH; Dreyfus, PM; Levy, HL; Mudd, SH; Schulman, JD	1
Herbert, V; Kelly, A; Metz, J; Swett, VC; Waxman, S	1
Oace, SM; Stokstad, EL; Tarczy-Hornoch, K	1
Bailey, C; Newberne, PM; Rogers, AE; Young, VR	1
Herbert, V; Metz, J; Waxman, S	1
Chang, YO	1
Newberne, PM; Woodard, JC	1
Newberne, PM; Young, VR	1
Barbiroli, B; Caldarera, CM; Marchetti, M	1

Reviews

31 review(s) available for methionine and Deficiency, Vitamin B 12

Article	Year
Clinical Pathobiochemistry of Vitamin B Nutrients, 2023, Jun-01, Volume: 15, Issue:11 Topics: Antioxidants; Diabetes Mellitus; Diabetic Neuropathies; Humans; Methionine; Vitamin B 12; Vitamin B 12 Deficiency; Vitamins	2023
Medicines associated with folate-homocysteine-methionine pathway disruption. Archives of toxicology, 2019, Volume: 93, Issue:2 Topics: Enzyme Inhibitors; Female; Folic Acid; Folic Acid Antagonists; Folic Acid Deficiency; Homocysteine; Humans; Methionine; Pregnancy; Tetrahydrofolate Dehydrogenase; Thymidylate Synthase; Vitamin B 12 Deficiency	2019
Vitamin B(12) metabolism during pregnancy and in embryonic mouse models. Nutrients, 2013, Sep-10, Volume: 5, Issue:9 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Acyl Coenzyme A; Animals; Disease Models, Animal; Embryonic Development; Female; Homocysteine; Humans; Methionine; Methylmalonyl-CoA Mutase; Mice; Pregnancy; Vitamin B 12; Vitamin B 12 Deficiency	2013
Cobalamin C defect: natural history, pathophysiology, and treatment. Journal of inherited metabolic disease, 2011, Volume: 34, Issue:1 Topics: Age of Onset; Homocysteine; Humans; Methionine; Methylmalonic Acid; Models, Biological; Vitamin B 12; Vitamin B 12 Deficiency	2011
Combined methylmalonic acidemia and homocystinuria, cblC type. I. Clinical presentations, diagnosis and management. Journal of inherited metabolic disease, 2012, Volume: 35, Issue:1 Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Carrier Proteins; Child; Child, Preschool; Female; Homocystinuria; Humans; Infant; Infant, Newborn; Male; Methionine; Methylmalonic Acid; Models, Biological; Models, Genetic; Mutation; Neonatal Screening; Oxidoreductases; Pregnancy; Prenatal Diagnosis; Vitamin B 12; Vitamin B 12 Deficiency	2012
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
The methionine-homocysteine cycle and its effects on cognitive diseases. Alternative medicine review : a journal of clinical therapeutic, 2003, Volume: 8, Issue:1 Topics: Alzheimer Disease; Cardiovascular Diseases; Cognition Disorders; Dementia, Vascular; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Memory Disorders; Methionine; Methionine Adenosyltransferase; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6	2003
Hyperhomocysteinemia, vascular function and atherosclerosis: effects of vitamins. Cardiovascular drugs and therapy, 2002, Volume: 16, Issue:5 Topics: Arteriosclerosis; Avitaminosis; Coronary Disease; Folic Acid Deficiency; Homocysteine; Humans; Hyperhomocysteinemia; Hypertension; Kidney Failure, Chronic; Methionine; Risk Factors; Thrombosis; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamins	2002
Toxicity of nitrous oxide. Best practice & research. Clinical anaesthesiology, 2003, Volume: 17, Issue:1 Topics: Animals; Bone Marrow; Folic Acid Deficiency; Humans; Methionine; Nervous System Diseases; Nitrous Oxide; Occupational Exposure; Vitamin B 12; Vitamin B 12 Deficiency	2003
Effects of vitamin B12 and folate deficiencies on DNA methylation and carcinogenesis in rat liver. Clinical chemistry and laboratory medicine, 2003, Volume: 41, Issue:8 Topics: Animals; Carcinogens; Choline; Choline Deficiency; Diet; DNA Methylation; Folic Acid Deficiency; Gastrectomy; Liver; Liver Neoplasms, Experimental; Methionine; Models, Biological; Rats; Vitamin B 12 Deficiency	2003
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
[Measurement of methylmalonic acid, homocysteine and methionine in cobalamin and folate deficiencies and homocysteinuria]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2008, Mar-13, Volume: 128, Issue:6 Topics: Amino Acid Metabolism, Inborn Errors; Biomarkers; Diagnosis, Differential; Folic Acid; Folic Acid Deficiency; Food, Fortified; Homocysteine; Humans; Infant; Infant, Newborn; Methionine; Methylmalonic Acid; Vitamin B 12 Deficiency	2008
Mecobalamin. Expert opinion on investigational drugs, 2008, Volume: 17, Issue:6 Topics: Aged; Alprostadil; Animals; Cobamides; Coenzymes; Diabetic Neuropathies; Drug Administration Routes; Drug Therapy, Combination; Female; Folic Acid; Humans; Hyperhomocysteinemia; Hypoglycemic Agents; Kidney Failure, Chronic; Male; Metformin; Methionine; Methyltransferases; Peripheral Nervous System Diseases; Randomized Controlled Trials as Topic; Renal Dialysis; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6	2008
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
Effects of dietary folate, vitamin B12 and methionine/choline deficiency on immune function. Advances in experimental medicine and biology, 1981, Volume: 135 Topics: Animals; Antibody Formation; Choline Deficiency; Deoxyuridine; Drug Interactions; Folic Acid; Folic Acid Deficiency; Humans; Hypersensitivity, Delayed; Immunity; Lymphocyte Activation; Lymphocytes; Lymphoid Tissue; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1981
The deoxyuridine suppression test: a review of its clinical and research applications. Clinical and laboratory haematology, 1981, Volume: 3, Issue:1 Topics: Alcoholism; Anemia, Hemolytic; Anticonvulsants; Bone Marrow Cells; Bone Marrow Diseases; Cells; Deoxyuridine; Erythrocytes, Abnormal; Female; Fluorouracil; Folic Acid; Folic Acid Deficiency; Formyltetrahydrofolates; Homocysteine; Humans; Hypothyroidism; Lymphocyte Activation; Methionine; Pregnancy; Pregnancy Complications; Statistics as Topic; Tetrahydrofolates; Vitamin B 12; Vitamin B 12 Deficiency	1981
Lipotrope deficiency and persistent changes in DNA methylation. Lipotrope deficiency and DNA methylation. Advances in experimental medicine and biology, 1995, Volume: 375 Topics: Animals; Choline Deficiency; DNA; Folic Acid Deficiency; Humans; Lipid Metabolism; Liver; Methionine; Methylation; Neoplasms; Vitamin B 12 Deficiency	1995
Vitamin B-12 deficiency in the elderly: current dilemmas. The American journal of clinical nutrition, 1997, Volume: 66, Issue:4 Topics: Acyl Coenzyme A; Aged; Aged, 80 and over; Female; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	1997
Biological and environmental determinants of plasma homocysteine. Seminars in thrombosis and hemostasis, 2000, Volume: 26, Issue:3 Topics: Adult; Aged; Aging; Alcohol Drinking; Child; Cystathionine beta-Synthase; Diagnosis-Related Groups; Dietary Proteins; Endocrine System Diseases; Female; Folic Acid Antagonists; Folic Acid Deficiency; Homocysteine; Homocystinuria; Humans; Hyperhomocysteinemia; Inflammation; Intestinal Diseases; Life Style; Male; Methionine; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Neoplasms; Niacin; Nitrous Oxide; Norway; Oxidoreductases Acting on CH-NH Group Donors; Pregnancy; Renal Insufficiency; Smoking; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2000
Homocysteine and renal disease. Seminars in thrombosis and hemostasis, 2000, Volume: 26, Issue:3 Topics: Adult; Arteriosclerosis; Cardiovascular Diseases; Case-Control Studies; Child; Endothelium, Vascular; Female; Folic Acid; Folic Acid Deficiency; Follow-Up Studies; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Diseases; Kidney Failure, Chronic; Kidney Transplantation; Life Tables; Male; Methionine; Peritoneal Dialysis; Prospective Studies; Pyridoxine; Renal Dialysis; Survival Analysis; Thrombophilia; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2000
The role of vitamin B12 and folic acid in hemato- and other cell-poiesis. Vitamins and hormones, 1976, Volume: 34 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acids; Animals; Bacteria; Coenzymes; DNA; Folic Acid; Folic Acid Deficiency; Formiminoglutamic Acid; Glutamates; Hematopoiesis; Humans; Megaloblasts; Methionine; Methylmalonyl-CoA Mutase; Neurologic Manifestations; Purines; Pyrimidines; Ribonucleotide Reductases; Tetrahydrofolates; Vitamin B 12; Vitamin B 12 Deficiency	1976
Folic acid metabolism in vitamin B12 deficiency. Nutrition reviews, 1975, Volume: 33, Issue:4 Topics: Animals; Biological Transport; Folic Acid; Folic Acid Deficiency; Glutamates; Homocysteine; Humans; Liver; Methionine; Methyltransferases; Peptide Biosynthesis; Rats; Sheep; Tetrahydrofolates; Vitamin B 12 Deficiency	1975
Inborn errors of folate metabolism (first of two parts). The New England journal of medicine, 1975, Oct-09, Volume: 293, Issue:15 Topics: Adult; Animals; Bone Marrow; Bone Marrow Cells; DNA; Fibroblasts; Folic Acid; Folic Acid Deficiency; Humans; Liver; Metabolism, Inborn Errors; Methionine; Methyltransferases; Rats; Skin; Tetrahydrofolate Dehydrogenase; Vitamin B 12; Vitamin B 12 Deficiency	1975
Labile methyl groups and the promotion of cancer. Annual review of nutrition, 1986, Volume: 6 Topics: Animals; Antibody Formation; Carcinogens; Choline; Choline Deficiency; Diet; DNA; Folic Acid; Folic Acid Deficiency; Humans; Immunity, Cellular; Lipotropic Agents; Liver; Liver Neoplasms; Methionine; Methylation; Neoplasms; Neoplasms, Experimental; Pharmaceutical Preparations; Risk; Tetrahydrofolates; Vitamin B 12; Vitamin B 12 Deficiency	1986
Cobalamin-folate interrelations. Blood reviews, 1989, Volume: 3, Issue:4 Topics: Anemia, Megaloblastic; Animals; Central Nervous System Diseases; Coenzymes; Folic Acid; Folic Acid Deficiency; Formates; Humans; Methionine; Models, Biological; Tetrahydrofolates; Thymidine; Vitamin B 12; Vitamin B 12 Deficiency	1989
Cobalamin-folate interrelations: a critical review. Blood, 1985, Volume: 66, Issue:3 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Anemia, Megaloblastic; Animals; Central Nervous System; Deoxyuridine; Disease Models, Animal; Drug Interactions; Enzyme Activation; Folic Acid; Folic Acid Deficiency; Histidine; Humans; Liver; Methionine; Methylmalonyl-CoA Mutase; Nitrous Oxide; Oxidation-Reduction; Pteroylpolyglutamic Acids; Purines; Serine; Tetrahydrofolates; Thymidylate Synthase; Vitamin B 12; Vitamin B 12 Deficiency	1985
The fruit bat as an experimental model of the neuropathy of cobalamin deficiency. Comparative biochemistry and physiology. A, Comparative physiology, 1987, Volume: 88, Issue:2 Topics: Animals; Chiroptera; Disease Models, Animal; Fatty Acids; Folic Acid; Methionine; Nervous System Diseases; Neurotransmitter Agents; Vitamin B 12 Deficiency	1987
Vitamin B12-folate interrelationships. Annual review of nutrition, 1985, Volume: 5 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acids; Animals; Bone Marrow; Folic Acid; Folic Acid Deficiency; Formates; Formiminoglutamic Acid; Histidine; Homeostasis; Humans; Liver; Megaloblasts; Methionine; Methylation; Nitrous Oxide; Peptide Synthases; Pteroylpolyglutamic Acids; Purines; Serine; Thymidine Monophosphate; Thymidylate Synthase; Thyroid Gland; Vitamin B 12; Vitamin B 12 Deficiency	1985
Observations on the biochemical basis of megaloblastic anaemia. British journal of haematology, 1972, Volume: 23 Topics: Anemia, Macrocytic; Deoxyuridine; DNA; Erythrocytes, Abnormal; FIGLU Test; Folic Acid Deficiency; Homocysteine; Humans; Methionine; Nervous System Diseases; Tetrahydrofolate Dehydrogenase; Tetrahydrofolates; Thymine Nucleotides; Vitamin B 12; Vitamin B 12 Deficiency	1972
Interrelationships of vitamin B12 and folate in man. The American journal of medicine, 1970, Volume: 48, Issue:5 Topics: Anemia, Macrocytic; Animals; Folic Acid; Folic Acid Deficiency; Humans; Liver; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1970
Aggravation or initiation of megaloblastosis by amino acids in the diet. JAMA, 1970, Oct-05, Volume: 214, Issue:1 Topics: Amino Acids; Anemia, Pernicious; Cell Nucleus; Diet; DNA; Erythrocytes; Folic Acid; Folic Acid Deficiency; Glycine; Hematologic Diseases; Homocystine; Humans; Methionine; Polycythemia; Pyridoxine; Serine; Tetrahydrofolate Dehydrogenase; Thymine; Vitamin B 12; Vitamin B 12 Deficiency	1970

Trials

1 trial(s) available for methionine and Deficiency, Vitamin B 12

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

Other Studies

145 other study(ies) available for methionine and Deficiency, Vitamin B 12

Article	Year
Methionine synthase supports tumour tetrahydrofolate pools. Nature metabolism, 2021, Volume: 3, Issue:11 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cell Line, Tumor; Cell Proliferation; Folic Acid; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Neoplastic; Humans; Metabolic Networks and Pathways; Methionine; Methylation; Mutation; Neoplasms; Purines; Tetrahydrofolates; Vitamin B 12 Deficiency	2021
Evaluation of tracer labelled methionine load test in vitamin B-12 deficient adolescent women. PloS one, 2018, Volume: 13, Issue:5 Topics: Administration, Oral; Adolescent; Body Mass Index; Carbon Dioxide; Carbon Isotopes; Dietary Supplements; Fasting; Female; Folic Acid; Homocysteine; Humans; Iron; Methionine; Serologic Tests; Vitamin B 12; Vitamin B 12 Deficiency	2018
Diagnostic dilemma of patients with methylmalonic aciduria: Experience from a tertiary care centre in Pakistan. JPMA. The Journal of the Pakistan Medical Association, 2018, Volume: 68, Issue:4 Topics: Alanine; Amino Acid Metabolism, Inborn Errors; Child, Preschool; Citrates; Cross-Sectional Studies; Female; Glycine; Humans; Infant; Lactic Acid; Male; Methionine; Mitochondrial Diseases; Pakistan; Tertiary Care Centers; Urinalysis; Valerates; Vitamin B 12 Deficiency	2018
Early biochemical and hematological response to intramuscular cyanocobalamin therapy in vitamin B(12)-deficient patients. Annals of nutrition & metabolism, 2013, Volume: 62, Issue:4 Topics: Aged; Chromatography, High Pressure Liquid; Cysteine; Erythrocyte Indices; Female; Folic Acid; Homocysteine; Humans; Injections, Intramuscular; Male; Methionine; Methylmalonic Acid; Middle Aged; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency	2013
Influences of maternal B₁₂ and methionine intake during gestation and lactation on testicular development of offspring in rats. Journal of nutritional science and vitaminology, 2013, Volume: 59, Issue:3 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Animals, Newborn; Diet; Dietary Supplements; Female; Lactation; Male; Maternal Nutritional Physiological Phenomena; Methionine; Nutritional Status; Pregnancy; Prenatal Exposure Delayed Effects; Prenatal Nutritional Physiological Phenomena; Rats; Rats, Wistar; Spermatogenesis; Testicular Diseases; Testis; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2013
Vitamin B12 and methionine deficiencies induce genome damage measured using the cytokinesis-block micronucleus cytome assay in human B lymphoblastoid cell lines. Nutrition and cancer, 2013, Volume: 65, Issue:6 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cell Line; Cytokinesis; DNA Damage; DNA Methylation; DNA Replication; Genome, Human; Genomic Instability; Humans; Methionine; Micronucleus Tests; Vitamin B 12; Vitamin B 12 Deficiency	2013
Low plasma vitamin B-12 is associated with a lower pregnancy-associated rise in plasma free choline in Canadian pregnant women and lower postnatal growth rates in their male infants. The American journal of clinical nutrition, 2013, Volume: 98, Issue:5 Topics: Adult; Betaine; British Columbia; Child Development; Choline; Dietary Supplements; Female; Folic Acid; Humans; Infant; Male; Methionine; Middle Aged; Pregnancy; Prospective Studies; Sarcosine; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2013
Adult-onset eculizumab-resistant hemolytic uremic syndrome associated with cobalamin C deficiency. American journal of kidney diseases : the official journal of the National Kidney Foundation, 2014, Volume: 63, Issue:1 Topics: Adult; Amino Acid Metabolism, Inborn Errors; Antibodies, Monoclonal, Humanized; Betaine; Biopsy; Carrier Proteins; Diagnosis, Differential; Drug Resistance; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Hypertension, Malignant; Immunologic Factors; Kidney; Kidney Function Tests; Leucovorin; Lipotropic Agents; Male; Methionine; Methylmalonic Acid; Mutation; Oxidoreductases; Recurrence; Renal Dialysis; Treatment Outcome; Vitamin B 12 Deficiency; Vitamin B Complex	2014
Performance characteristics of the ARCHITECT Active-B12 (Holotranscobalamin) assay. Clinical laboratory, 2015, Volume: 61, Issue:3-4 Topics: Acyl Coenzyme A; Automation; Biomarkers; High-Throughput Screening Assays; Humans; Immunoenzyme Techniques; Limit of Detection; Methionine; Reproducibility of Results; Transcobalamins; Vitamin B 12 Deficiency; Vitamin B Complex	2015
Simultaneous detection of five one-carbon metabolites in plasma using stable isotope dilution liquid chromatography tandem mass spectrometry. Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2016, Feb-15, Volume: 1012-1013 Topics: Female; Homocysteine; Humans; Isotope Labeling; Limit of Detection; Linear Models; Methionine; Pregnancy; Reproducibility of Results; Tandem Mass Spectrometry; Vitamin B 12 Deficiency	2016
The remarkable S. Harvey Mudd - A reminiscence. Molecular genetics and metabolism, 2016, Volume: 118, Issue:3 Topics: Amino Acid Metabolism, Inborn Errors; Biomedical Research; Glycine N-Methyltransferase; History, 20th Century; History, 21st Century; Homocystinuria; Humans; Male; Methionine; Vitamin B 12 Deficiency	2016
Drug interactions may be important risk factors for methotrexate neurotoxicity, particularly in pediatric leukemia patients. Cancer chemotherapy and pharmacology, 2016, Volume: 78, Issue:5 Topics: Antimetabolites, Antineoplastic; Child; Child, Preschool; Drug Interactions; Female; Humans; Leukemia; Methionine; Methotrexate; Myelin Sheath; Neurotoxicity Syndromes; Nitrous Oxide; Nutritional Status; Seizures; Vitamin B 12 Deficiency	2016
Characteristic peripheral blood smear findings in disorders of cobalamin metabolism. Blood, 2016, 11-24, Volume: 128, Issue:21 Topics: Erythrocytes, Abnormal; Ferredoxin-NADP Reductase; Homocysteine; Humans; Infant; Male; Methionine; Mutation; Neutrophils; Vitamin B 12; Vitamin B 12 Deficiency	2016
Efficacy of early treatment in patients with cobalamin C disease identified by newborn screening: a 16-year experience. Genetics in medicine : official journal of the American College of Medical Genetics, 2017, Volume: 19, Issue:8 Topics: Cohort Studies; Dietary Proteins; Female; Homocysteine; Humans; Infant; Infant, Newborn; Longitudinal Studies; Male; Methionine; Methylmalonic Acid; Neonatal Screening; Neurocognitive Disorders; Retrospective Studies; Secondary Prevention; Vitamin B 12 Deficiency	2017
Cobalamin deficiency results in an abnormal increase in L-methylmalonyl-co-enzyme-A mutase expression in rat liver and COS-7 cells. The British journal of nutrition, 2009, Volume: 101, Issue:4 Topics: Animals; Blotting, Western; Carnitine; Chlorocebus aethiops; COS Cells; Dietary Supplements; Gene Expression; Kidney; Liver; Methionine; Methylmalonyl-CoA Mutase; Random Allocation; Rats; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Weaning	2009
Change of epigenetic control of cystathionine beta-synthase gene expression through dietary vitamin B12 is not recovered by methionine supplementation. Journal of nutrigenetics and nutrigenomics, 2009, Volume: 2, Issue:1 Topics: Animals; Cells, Cultured; CpG Islands; Cystathionine beta-Synthase; Diet; Dietary Supplements; DNA Methylation; Epigenesis, Genetic; Gene Expression Regulation, Enzymologic; Liver; Male; Methionine; Models, Biological; Rats; Rats, Wistar; RNA, Messenger; Vitamin B 12; Vitamin B 12 Deficiency	2009
The reliability of methionine challenge test is not affected by a deficiency in pyridoxal phosphate, folic acid, or cobalamin. Hypertension in pregnancy, 2011, Volume: 30, Issue:1 Topics: Adult; Female; Folic Acid; Folic Acid Deficiency; Humans; Hyperhomocysteinemia; Methionine; Pregnancy; Pyridoxal Phosphate; Reproducibility of Results; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2011
B-vitamin deficiency is protective against DSS-induced colitis in mice. American journal of physiology. Gastrointestinal and liver physiology, 2011, Volume: 301, Issue:2 Topics: Analysis of Variance; Animals; Body Weight; Colitis; Dextran Sulfate; Gene Expression; Glutathione; Homocysteine; Inflammation; Interleukin-10; Kaplan-Meier Estimate; Male; Metabolomics; Methionine; Methylmalonic Acid; Mice; Mice, Inbred C57BL; Nitric Oxide Synthase Type II; Peroxidase; Pyridoxal Phosphate; S-Adenosylhomocysteine; Severity of Illness Index; Tumor Necrosis Factor-alpha; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2011
Formate can differentiate between hyperhomocysteinemia due to impaired remethylation and impaired transsulfuration. American journal of physiology. Endocrinology and metabolism, 2012, Jan-01, Volume: 302, Issue:1 Topics: Animals; Biomarkers; Brain; Folic Acid Deficiency; Formates; Homocysteine; Hyperhomocysteinemia; Liver; Magnetic Resonance Spectroscopy; Male; Metabolomics; Methionine; Methylation; Methylmalonic Acid; Models, Biological; Random Allocation; Rats; Rats, Sprague-Dawley; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2012
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
Whole body methionine kinetics, transmethylation, transulfuration and remethylation during pregnancy. Clinical nutrition (Edinburgh, Scotland), 2014, Volume: 33, Issue:1 Topics: Adult; Anthropometry; Carbon Isotopes; Cohort Studies; Dietary Proteins; Feeding Behavior; Female; Humans; India; Methionine; Methylation; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Third; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2014
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
Vitamin B12 and transmethylation in the baby pig. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1954, Volume: 85, Issue:2 Topics: Animals; Choline; Corrinoids; Methionine; Swine; Vitamin B 12; Vitamin B 12 Deficiency	1954
The utilization by vitamin B12-deficient chicks of monomethylaminoethanol, homocystine and betaine as precursors of choline and methionine. The Journal of nutrition, 1954, Jun-10, Volume: 53, Issue:2 Topics: Amino Acids; Amino Alcohols; Animals; Betaine; Chickens; Choline; Homocystine; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1954
Vitamin B12 and folic acid in relation to methionine synthesis from betaine in vivo and invitro. The Journal of biological chemistry, 1957, Volume: 226, Issue:1 Topics: Betaine; Choline; Folic Acid; Folic Acid Deficiency; Humans; Methionine; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	1957
[Effects of orotic acid and of methionine on the hepatic content of ribonucleic and desoxyribonucleic acids in vitamin B12 deficient chickens]. Bollettino della Societa italiana di biologia sperimentale, 1960, Dec-31, Volume: 36 Topics: Animals; Chickens; DNA; Liver; Methionine; Nucleic Acids; Orotic Acid; Vitamin A; Vitamin B 12; Vitamin B 12 Deficiency	1960
[Acid-soluble nucleotides of the liver of chickens fed a vitamin B12 deficient diet: effects of orotic acid and of methionine]. Bollettino della Societa italiana di biologia sperimentale, 1960, Dec-31, Volume: 36 Topics: Animals; Chickens; Diet; Liver; Meat; Methionine; Nucleosides; Nucleotides; Orotic Acid; Vitamin B 12; Vitamin B 12 Deficiency	1960
[Orotic acid as a "growth factor" for the chicken and its relation of vitamin B-12 and methionine]. Biochemische Zeitschrift, 1960, Volume: 333 Topics: Animals; Chickens; Corrinoids; Hematinics; Intercellular Signaling Peptides and Proteins; Meat; Methionine; Orotic Acid; Vitamin B 12; Vitamin B 12 Deficiency; Vitamins	1960
Enzymatic synthesis of the methyl group of methionine. II. Involvement of vitamin B12. The Journal of biological chemistry, 1961, Volume: 236 Topics: Corrinoids; Enzymes; Escherichia coli; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1961
Metabolism of formiminoglutamic acid by vitamin B12 and folic acid-deficient rats fed excess methionine. The Journal of biological chemistry, 1960, Volume: 235 Topics: Animals; Corrinoids; Folic Acid; Folic Acid Deficiency; Formiminoglutamic Acid; Glutamates; Methionine; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1960
Liver ribonuclease and deoxyribonuclease activity of vitamin B12-deficient chicks: effects of orotic acid and methionine. Nature, 1962, Aug-18, Volume: 195 Topics: Animals; Biochemical Phenomena; Chickens; Deoxyribonucleases; DNA; Liver; Methionine; Orotic Acid; Ribonucleases; Vitamin B 12; Vitamin B 12 Deficiency	1962
Excretion of formiminoglutamic acid as an index of vitamin B12, folic acid, and methionine deficiencies. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1961, Volume: 108 Topics: Corrinoids; Folic Acid; Folic Acid Deficiency; Formiminoglutamic Acid; Glutamates; Hematinics; Humans; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1961
[Effect of orotic acid add methionine on the incorporation of P-32 into the acid-soluble nucleotides of the liver of the vitamin B12-deficient chick]. Bollettino della Societa italiana di biologia sperimentale, 1961, Dec-31, Volume: 37 Topics: Animals; Chickens; Liver; Methionine; Nucleotides; Orotic Acid; Phosphorus; Vitamin B 12; Vitamin B 12 Deficiency	1961
OROTIC ACID AND METABOLISM OF ONE CARBON UNIT: CONVERSION OF FOLIC ACID TO CITROVORUM FACTOR AND METHIONINE SYNTHESIS IN CHICK LIVER. Archives italiennes de biologie, 1963, Oct-05, Volume: 101 Topics: Animals; Carbon; Chickens; Folic Acid; Homocysteine; Leuconostoc; Leucovorin; Liver; Metabolism; Methionine; Orotic Acid; Poultry; Proteins; Research; Serine; Vitamin B 12; Vitamin B 12 Deficiency	1963
STUDIES ON THE ROLE OF VITAMIN B12 FOR THE SYNTHESIS OF METHIONINE IN LIVER. Annals of the New York Academy of Sciences, 1964, Apr-24, Volume: 112 Topics: Animals; Carbon Isotopes; Chromatography; Folic Acid; Liver; Meat; Methionine; Pharmacology; Poultry; Proteins; Rats; Research; Swine; Vitamin B 12; Vitamin B 12 Deficiency	1964
Vitamin B12 and transmethylation in pig, chick, and rat liver homogenates. The Journal of biological chemistry, 1955, Volume: 212, Issue:2 Topics: Animals; Chickens; Corrinoids; Creatine; Liver; Methionine; Rats; Sus scrofa; Swine; Vitamin B 12; Vitamin B 12 Deficiency	1955
Effects of orotic acid and methionine on acid-soluble nucleotides of vitamin B12-deficient chicks. Biochimica et biophysica acta, 1962, Jan-22, Volume: 55 Topics: Animals; Chickens; Liver; Methionine; Nucleosides; Nucleotides; Orotic Acid; Vitamin B 12; Vitamin B 12 Deficiency	1962
Polyamine concentrations in the brain of vitamin B12-deficient rats. Experimental biology and medicine (Maywood, N.J.), 2003, Volume: 228, Issue:9 Topics: Animals; Brain; Homocysteine; Liver; Male; Methionine; Neurons; Polyamines; Putrescine; Rats; Rats, Wistar; Spermidine; Spermine; Vitamin B 12; Vitamin B 12 Deficiency	2003
The cblD defect causes either isolated or combined deficiency of methylcobalamin and adenosylcobalamin synthesis. The Journal of biological chemistry, 2004, Oct-08, Volume: 279, Issue:41 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adolescent; Alkyl and Aryl Transferases; Child; Child, Preschool; Cobamides; DNA, Complementary; Fibroblasts; Genetic Complementation Test; Homocysteine; Homocystinuria; Humans; Male; Methionine; Methylmalonyl-CoA Mutase; Models, Biological; Mutation; Phenotype; Vitamin B 12; Vitamin B 12 Deficiency	2004
A mathematical model of the folate cycle: new insights into folate homeostasis. The Journal of biological chemistry, 2004, Dec-31, Volume: 279, Issue:53 Topics: Allosteric Site; Animals; Dose-Response Relationship, Drug; Folic Acid; Homeostasis; Humans; Kinetics; Liver; Methionine; Methotrexate; Models, Biological; Models, Chemical; Models, Theoretical; Tetrahydrofolate Dehydrogenase; Tetrahydrofolates; Thymidylate Synthase; Time Factors; Up-Regulation; Vitamin B 12 Deficiency	2004
Relevance of post-methionine homocysteine and lipoprotein (a) in evaluating the cardiovascular risk in young CAD patients. European journal of clinical investigation, 2005, Volume: 35, Issue:1 Topics: Adult; Biomarkers; Blood Coagulation; Case-Control Studies; Chelating Agents; Coronary Disease; Fasting; Female; Folic Acid Deficiency; Homocysteine; Humans; Lipoprotein(a); Male; Methionine; Middle Aged; Risk; Statistics, Nonparametric; Thromboplastin; Vitamin B 12 Deficiency	2005
Maculopathy and retinal degeneration in cobalamin C methylmalonic aciduria and homocystinuria. Archives of ophthalmology (Chicago, Ill. : 1960), 2005, Volume: 123, Issue:8 Topics: Amino Acid Metabolism, Inborn Errors; Betaine; Cobamides; Female; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant; Macula Lutea; Methionine; Methylmalonic Acid; Retina; Retinal Degeneration; Vision, Ocular; Visual Acuity; Vitamin B 12 Deficiency	2005
The cognitive impact of nutritional homocysteinemia in apolipoprotein-E deficient mice. Journal of Alzheimer's disease : JAD, 2006, Volume: 9, Issue:4 Topics: Animals; Apolipoproteins E; Behavior, Animal; Brain; Cognition Disorders; Disease Models, Animal; Folic Acid Deficiency; Hyperhomocysteinemia; Male; Maze Learning; Methionine; Mice; Neuropsychological Tests; Nutrition Disorders; Psychomotor Performance; Severity of Illness Index; Space Perception; Vitamin B 12 Deficiency	2006
Abnormal increase in the expression level of proliferating cell nuclear antigen (PCNA) in the liver and hepatic injury in rats with dietary cobalamin deficiency. Journal of nutritional science and vitaminology, 2006, Volume: 52, Issue:3 Topics: Alanine Transaminase; Animals; Biomarkers; Body Weight; Carnitine; Cell Proliferation; Growth Disorders; Liver; Liver Diseases; Male; Methionine; Methylmalonic Acid; Organ Size; Proliferating Cell Nuclear Antigen; Rats; Rats, Wistar; Vitamin B 12 Deficiency; Vitamin B Complex	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
Testicular injury to rats fed on soybean protein-based vitamin B12-deficient diet can be reduced by methionine supplementation. Journal of nutritional science and vitaminology, 2007, Volume: 53, Issue:2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Analysis of Variance; Animals; Body Weight; Diet; Dietary Supplements; Disease Models, Animal; Female; Male; Methionine; Methylmalonic Acid; Organ Size; Rats; Rats, Wistar; Soybean Proteins; Testicular Diseases; Testis; Vitamin B 12 Deficiency	2007
Nutritional determinants of plasma homocysteine. Bratislavske lekarske listy, 2007, Volume: 108, Issue:12 Topics: Adult; Body Weight; Diet, Vegetarian; Homocysteine; Humans; Methionine; Vitamin B 12 Deficiency	2007
Vitamin B12 deficiency in the rat: effect on serum folate and liver formiminotransferase activity. The American journal of clinical nutrition, 1967, Volume: 20, Issue:4 Topics: Aldehyde-Lyases; Animals; Biological Assay; Choline; Folic Acid; Glutamates; Liver; Male; Methionine; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1967
The methyl folate trap. A physiological response in man to prevent methyl group deficiency in kwashiorkor (methionine deficiency) and an explanation for folic-acid induced exacerbation of subacute combined degeneration in pernicious anaemia. Lancet (London, England), 1981, Aug-15, Volume: 2, Issue:8242 Topics: Acute Disease; Anemia, Pernicious; Bone Marrow; Cell Division; Folic Acid; Folic Acid Deficiency; Humans; Kwashiorkor; Methionine; Methotrexate; Models, Biological; Vitamin B 12 Deficiency	1981
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
Lipotropes, immunocompetence, and cancer. Cancer research, 1983, Volume: 43, Issue:5 Suppl Topics: Animals; Choline Deficiency; Disease Susceptibility; Folic Acid Deficiency; Immunocompetence; Lipotropic Agents; Methionine; Mice; Mice, Inbred C3H; Mice, Inbred C57BL; Neoplasms; Rats; Rats, Inbred F344; Rats, Inbred Strains; Vitamin B 12 Deficiency	1983
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
Betaine delays the onset of neurological impairment in nitrous oxide-induced vitamin B-12 deficiency in fruit bats. The Journal of nutrition, 1984, Volume: 114, Issue:6 Topics: Animals; Ataxia; Betaine; Body Weight; Chiroptera; Diet; Homocysteine; Methionine; Nitrous Oxide; Vitamin B 12 Deficiency	1984
Tissue distribution of methylcobalamin in rats fed amino acid-defined, methyl-deficient diets. The Journal of nutrition, 1983, Volume: 113, Issue:1 Topics: Adrenal Glands; Amino Acids; Animals; Choline Deficiency; Diet; Kidney; Liver; Male; Methionine; Rats; Rats, Inbred F344; Spleen; Tissue Distribution; Vitamin B 12; 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
Cobalamin inactivation by nitrous oxide produces severe neurological impairment in fruit bats : protection by methionine and aggravation by folates. Life sciences, 1982, Nov-01, Volume: 31, Issue:18 Topics: Animals; Chiroptera; Diet; Folic Acid; Formyltetrahydrofolates; Methionine; Nervous System Diseases; Nitrous Oxide; Vitamin B 12 Deficiency	1982
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
The role of methionine and vitamin B12 in folate incorporation by rat liver. The British journal of nutrition, 1980, Volume: 43, Issue:1 Topics: Animals; Folic Acid; Liver; Methionine; Nitrous Oxide; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1980
Effect of methionine on the metabolic fate of liver folates in vitamin B12-deficient rats. The British journal of nutrition, 1980, Volume: 44, Issue:3 Topics: Animals; Cells, Cultured; Ethanolamines; Folic Acid; Liver; Male; Methionine; Methylation; Phospholipids; Rats; Stimulation, Chemical; Tetrahydrofolates; Vitamin B 12 Deficiency	1980
Serum betaine, N,N-dimethylglycine and N-methylglycine levels in patients with cobalamin and folate deficiency and related inborn errors of metabolism. Metabolism: clinical and experimental, 1993, Volume: 42, Issue:11 Topics: Adolescent; Adult; Aged; Animals; Betaine; Betaine-Homocysteine S-Methyltransferase; Chromatography; Creatinine; Cystathionine beta-Synthase; Female; Folic Acid Deficiency; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Metabolism, Inborn Errors; Methionine; Methyltransferases; Middle Aged; Rats; Rats, Sprague-Dawley; Reference Values; Renal Insufficiency; Sarcosine; Vitamin B 12; Vitamin B 12 Deficiency	1993
Modulation of expression of fos and Ha-ras oncogenes and ornithine decarboxylase activity in mammary gland and liver of young female rats by the absence of dietary lipotropes. Journal of dairy science, 1994, Volume: 77, Issue:8 Topics: Animals; Choline; Choline Deficiency; Diet; Female; Folic Acid; Folic Acid Deficiency; Gene Expression Regulation; Genes, fos; Genes, ras; Liver; Mammary Glands, Animal; Methionine; Ornithine Decarboxylase; Rats; Rats, Sprague-Dawley; Vitamin B 12 Deficiency	1994
Kinetics of total plasma homocysteine in subjects with hyperhomocysteinemia due to folate or cobalamin deficiency. The American journal of clinical nutrition, 1996, Volume: 63, Issue:2 Topics: Adolescent; Adult; Aged; Female; Folic Acid; Folic Acid Deficiency; Half-Life; Hematinics; Homocysteine; Humans; Kinetics; Male; Methionine; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	1996
Nucleic acid composition of bone marrow mononuclear cells in cobalamin deficiency. Blood, 1996, Mar-01, Volume: 87, Issue:5 Topics: 5-Methylcytosine; Aged; Aged, 80 and over; Anemia, Megaloblastic; Artifacts; Bone Marrow; Chromatography, High Pressure Liquid; Cytosine; Deamination; DNA; DNA Glycosylases; Female; Humans; Male; Methionine; Methylation; Middle Aged; N-Glycosyl Hydrolases; Reproducibility of Results; Uracil; Uracil-DNA Glycosidase; Vitamin B 12 Deficiency	1996
Abnormal homocysteine metabolism in rheumatoid arthritis. Arthritis and rheumatism, 1997, Volume: 40, Issue:4 Topics: Adult; Aged; Arthritis, Rheumatoid; Fasting; Female; Homocysteine; Humans; Male; Methionine; Methotrexate; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	1997
Homocysteine levels in vegetarians versus omnivores. Annals of nutrition & metabolism, 2000, Volume: 44, Issue:3 Topics: Adult; Aged; Diet; Diet, Vegetarian; Female; Folic Acid; Homocysteine; Humans; Male; Methionine; Middle Aged; Slovakia; Surveys and Questionnaires; Vitamin B 12; Vitamin B 12 Deficiency	2000
Targeted disruption of the methionine synthase gene in mice. Molecular and cellular biology, 2001, Volume: 21, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Base Sequence; Cardiovascular Diseases; DNA Primers; Embryonic and Fetal Development; Female; Folic Acid; Gene Targeting; Heterozygote; Homocysteine; Homozygote; Humans; Methionine; Mice; Mice, Knockout; Neural Tube Defects; Pregnancy; Risk Factors; Vitamin B 12 Deficiency	2001
A dysmethylation syndrome, bound to folates and/or vitamin B12 and/or methionine abnormalities? Diagnosis, prevention and treatment considerations. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 2001, Volume: 55, Issue:8 Topics: DNA Methylation; Folic Acid Deficiency; Hematologic Diseases; Humans; Hyperhomocysteinemia; Iatrogenic Disease; Methionine; Methylation; Neoplasms; Nervous System Diseases; Selenium; Vascular Diseases; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2001
Metabolism of amino acids in cats with severe cobalamin deficiency. American journal of veterinary research, 2001, Volume: 62, Issue:12 Topics: Amino Acids; Animals; Cat Diseases; Cats; Cystathionine; Cysteine; Female; Gastrointestinal Diseases; Homocysteine; Immunoassay; Male; Methionine; Methylmalonic Acid; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency	2001
Vitamin B12--folate interrelations. Clinics in haematology, 1976, Volume: 5, Issue:3 Topics: Anemia, Megaloblastic; DNA; Folic Acid; Folic Acid Deficiency; Formiminoglutamic Acid; Glycine; Homocysteine; Humans; Methionine; Methylmalonyl-CoA Mutase; Nervous System Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1976
Effect of dietary thyroid powder on urinary excretion of formiminoglutamic acid and methylmalonic acid. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1979, Volume: 161, Issue:4 Topics: Animals; Dietary Proteins; Folic Acid; Formiminoglutamic Acid; Glutarates; Histidine; Male; Malonates; Methionine; Methylmalonic Acid; Rats; Thyroid (USP); Thyroid Hormones; Vitamin B 12; Vitamin B 12 Deficiency	1979
Effects of prolonged cyanide and thiocyanate feeding in rats. Journal of toxicology and environmental health, 1979, Volume: 5, Issue:4 Topics: Animals; Body Weight; Cyanides; Diet; Iodine; Male; Methionine; Rats; Spinal Cord; Thiocyanates; Thyroid Gland; Thyroxine; Vitamin B 12 Deficiency	1979
Effects of vitamin B-12 deprivation on phospholipid fatty acid patterns in liver and brain of rats fed high and low levels of linoleate in low methionine diets. The Journal of nutrition, 1979, Volume: 109, Issue:12 Topics: Animals; Body Weight; Brain; Dose-Response Relationship, Drug; Fatty Acids; Fatty Acids, Unsaturated; Female; Linoleic Acids; Liver; Methionine; Organ Size; Phosphatidylcholines; Phosphatidylethanolamines; Phospholipids; Rats; Vitamin B 12 Deficiency	1979
Methionine and the "methyl folate trap". Nutrition reviews, 1978, Volume: 36, Issue:8 Topics: Folic Acid; Humans; Liver; Methionine; Vitamin B 12 Deficiency	1978
Methionine dependent glutamic acid formiminotransferase deficiency: human and experimental studies in its therapy. Monographs in human genetics, 1978, Volume: 9 Topics: Amino Acid Metabolism, Inborn Errors; Animals; Child; Enzyme Induction; Formiminoglutamic Acid; Glutarates; Humans; Liver; Male; Methionine; Rats; Tetrahydrofolates; Transferases; Vitamin B 12 Deficiency	1978
The metabolic consequences of vitamin B-12/methionine deficiency in rats. Biochimica et biophysica acta, 1975, Jun-12, Volume: 392, Issue:2 Topics: Animals; Bacteriological Techniques; Chromatography, Ion Exchange; Deficiency Diseases; Folic Acid; Lacticaseibacillus casei; Liver; Methionine; Rats; Vitamin B 12 Deficiency	1975
Effect of methionine on the metabolism of formate and histidine by rats fed folate/vitamin B-12-methionine-deficient diet. Biochimica et biophysica acta, 1977, Mar-29, Volume: 497, Issue:1 Topics: Animals; Carbon Dioxide; Catalase; Folic Acid; Folic Acid Deficiency; Formates; Formiminoglutamic Acid; Histidine; Liver; Male; Methionine; Oxidation-Reduction; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1977
Uptake and metabolism of [3H]folate by normal and by vitamin B-12- and methionine-deficient rats. Biochimica et biophysica acta, 1977, Mar-29, Volume: 497, Issue:1 Topics: Animals; Folic Acid; Kidney; Liver; Male; Methionine; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1977
Effect of methionine on hepatic folate metabolism in rats fed a vitamin B12- and methionine-deficient diet. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1977, Volume: 155, Issue:3 Topics: Animals; Biological Transport; Folic Acid; Liver; Male; Methionine; Rats; Time Factors; Vitamin B 12 Deficiency	1977
Oxidation of compounds metabolized through folate coenzyme pathways in vitamin B12-deficient rats. Archives of biochemistry and biophysics, 1975, Volume: 166, Issue:2 Topics: Amino Acids; Animals; Carbon Dioxide; Folic Acid; Formates; Glycine; Liver; Methionine; Rats; Sarcosine; Time Factors; Transferases; Vitamin B 12 Deficiency	1975
The effect of methionine on the metabolism of serine and glycine in vitamin B-12-deficient rats. Biochimica et biophysica acta, 1975, Aug-13, Volume: 399, Issue:2 Topics: Animals; Folic Acid Deficiency; Glycine; Liver; Male; Methionine; Perfusion; Rats; Serine; Vitamin B 12 Deficiency	1975
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
The anti-folate effect of methionine on bone marrow of normal and vitamin B12 deficient rats. British journal of haematology, 1975, Volume: 31, Issue:3 Topics: Animals; Bone Marrow; Deoxyuridine; DNA; Folic Acid; Folic Acid Antagonists; Homocysteine; Liver; Male; Methionine; Methionine Adenosyltransferase; Rats; Thymidine; Vitamin B 12; Vitamin B 12 Deficiency	1975
Metabolic changes in golden hamsters fed vitamin B-12-deficient diets. The Journal of nutrition, 1976, Volume: 106, Issue:1 Topics: Animals; Body Weight; Cobalt; Cricetinae; Erythrocyte Count; Glucosephosphate Dehydrogenase; Glutathione; Glutathione Reductase; Hematocrit; Kidney; Liver; Male; Methionine; Organ Size; Vitamin B 12; Vitamin B 12 Deficiency	1976
The effects of dietary histidine, methionine and homocystine on vitamin B12 and folate levels in rat liver. The British journal of nutrition, 1976, Volume: 35, Issue:3 Topics: Animals; Body Weight; Female; Folic Acid; Histidine; Homocystine; Liver; Male; Methionine; Proteins; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1976
Methionine auxotrophy in inborn errors of cobalamin metabolism. Clinical and investigative medicine. Medecine clinique et experimentale, 1992, Volume: 15, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cell Division; Cell Line; Cobamides; Fibroblasts; Homocysteine; Humans; Metabolism, Inborn Errors; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1992
Methylmalonic acid metabolism and nervous-system fatty acids in cobalamin-deficient fruit bats receiving supplements of methionine, valine and isoleucine. The Biochemical journal, 1991, May-01, Volume: 275 ( Pt 3) Topics: Amino Acids; Animals; Brain; Chiroptera; Fatty Acids; Isoleucine; Liver; Methionine; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Nervous System; Nervous System Diseases; Spinal Cord; Valine; Vitamin B 12 Deficiency	1991
Maternal vegan diet causing a serious infantile neurological disorder due to vitamin B12 deficiency. European journal of pediatrics, 1991, Volume: 150, Issue:3 Topics: Adult; Breast Feeding; Diet, Vegetarian; Female; Homocysteine; Humans; Infant; Methionine; Methylmalonic Acid; Milk, Human; Nervous System Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1991
Alterations in expression and methylation of specific genes in livers of rats fed a cancer promoting methyl-deficient diet. Carcinogenesis, 1991, Volume: 12, Issue:7 Topics: Animals; Choline Deficiency; Diet; DNA; ErbB Receptors; Gene Expression; Liver; Male; Methionine; Methylation; Neoplasms, Experimental; Proto-Oncogenes; Rats; Rats, Inbred F344; RNA, Messenger; Vitamin B 12 Deficiency	1991
Interrelationship between serum concentrations of methionine, vitamin B12 and folate. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1990, Volume: 60, Issue:2 Topics: Adult; Folic Acid; Folic Acid Deficiency; Humans; Methionine; Nutritional Requirements; Nutritional Status; Vitamin B 12; Vitamin B 12 Deficiency	1990
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
L-azaserine induced preneoplasia in the rat pancreas. A morphometric study of dietary manipulation (lipotrope deficiency) and ultrastructural differentiation. Toxicologic pathology, 1990, Volume: 18, Issue:1 Pt 1 Topics: Animals; Azaserine; beta-Lipotropin; Cell Transformation, Neoplastic; Choline Deficiency; Cytoplasmic Granules; Diet; Enzyme Precursors; Folic Acid Deficiency; Male; Methionine; Microscopy, Electron; Pancreas; Pancreatic Neoplasms; Precancerous Conditions; Rats; Rats, Inbred Lew; Vitamin B 12 Deficiency	1990
Altered expression of retrovirus-like sequences and cellular oncogenes in mice fed methyl-deficient diets. Cancer research, 1989, Jul-15, Volume: 49, Issue:14 Topics: Animals; Cell Division; Choline Deficiency; DNA Replication; Folic Acid Deficiency; Genes, ras; Kinetics; Liver; Male; Methionine; Methylation; Mice; Mice, Inbred Strains; Ornithine Decarboxylase; Proto-Oncogenes; Reference Values; Retroviridae; Transcription, Genetic; Vitamin B 12 Deficiency	1989
Rapid appearance of hypomethylated DNA in livers of rats fed cancer-promoting, methyl-deficient diets. Cancer research, 1989, Aug-01, Volume: 49, Issue:15 Topics: Animals; Choline Deficiency; DNA; Folic Acid Deficiency; Liver; Male; Methionine; Methylation; Neoplasms, Experimental; Rats; Rats, Inbred F344; RNA, Transfer; 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
Lipotropic factors and oncogenesis. Advances in experimental medicine and biology, 1986, Volume: 206 Topics: Animals; Carcinoma, Hepatocellular; Choline Deficiency; Folic Acid Deficiency; Humans; Liver; Liver Cirrhosis; Liver Neoplasms; Liver Neoplasms, Experimental; Methionine; Vitamin B 12 Deficiency	1986
Tissue folates in fruit bats (Rousettus aegyptiacus) with nitrous oxide-induced vitamin B12 deficiency and neurological impairment. The British journal of nutrition, 1987, Volume: 58, Issue:3 Topics: Animals; Brain; Chiroptera; Folic Acid; Liver; Methionine; Nervous System Diseases; Nitrous Oxide; Serine; Vitamin B 12 Deficiency	1987
Effects of unilateral ureteric occlusion on renal necrosis occurring in rats fed a methyl-deficient diet. British journal of experimental pathology, 1988, Volume: 69, Issue:4 Topics: Acute Kidney Injury; Animals; Body Weight; Choline Deficiency; Diet; Feeding Behavior; Folic Acid Deficiency; Kidney; Kidney Cortex Necrosis; Kidney Tubular Necrosis, Acute; Male; Methionine; Rats; Rats, Inbred Strains; Ureteral Obstruction; Vitamin B 12 Deficiency	1988
Elevation of total homocysteine in the serum of patients with cobalamin or folate deficiency detected by capillary gas chromatography-mass spectrometry. The Journal of clinical investigation, 1988, Volume: 81, Issue:2 Topics: Adult; Aged; Aged, 80 and over; Cysteine; Female; Folic Acid Deficiency; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Methionine; Middle Aged; Vitamin B 12 Deficiency	1988
Comparison of methyltransferase activities of pair-fed rats given adequate or methyl-deficient diets. Carcinogenesis, 1988, Volume: 9, Issue:5 Topics: Animals; Choline Deficiency; Folic Acid Deficiency; Male; Methionine; Methylation; Protein Methyltransferases; Rats; Rats, Inbred F344; tRNA Methyltransferases; Vitamin B 12 Deficiency	1988
Genetic heterogeneity among patients with methylcobalamin deficiency. Definition of two complementation groups, cblE and cblG. The Journal of clinical investigation, 1988, Volume: 81, Issue:6 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Anemia, Macrocytic; Anemia, Megaloblastic; Cells, Cultured; Fibroblasts; Genetic Complementation Test; Homocystinuria; Humans; Methionine; Mutation; Vitamin B 12; Vitamin B 12 Deficiency	1988
Role of vitamin B12 and folate deficiencies in carcinogenesis. Advances in experimental medicine and biology, 1986, Volume: 206 Topics: Animals; Carcinogens; Diet; Folic Acid; Folic Acid Deficiency; Humans; Methionine; Neoplasms; Neoplasms, Experimental; Vitamin B 12 Deficiency	1986
Methionine partially corrects the impaired deoxyribonucleic acid synthesis of B12-deficient megaloblastic bone marrow cells at low concentration. Japanese journal of medicine, 1986, Volume: 25, Issue:2 Topics: Anemia, Macrocytic; Anemia, Megaloblastic; Anemia, Pernicious; Bone Marrow; Deoxyuridine; DNA; Homocysteine; Humans; Methionine; Vitamin B 12 Deficiency	1986
A comparison of the response of woodchucks and rats to variations in dietary lipotrope and protein content. The Journal of nutrition, 1986, Volume: 116, Issue:10 Topics: Animals; Body Weight; Choline Deficiency; Diet; Fatty Liver; Folic Acid Deficiency; Male; Marmota; Methionine; Protein Deficiency; Rats; Rats, Inbred F344; Sciuridae; Species Specificity; Vitamin B 12 Deficiency	1986
Vitamin B12 responsive homocystinuria and megaloblastic anemia: heterogeneity in methylcobalamin deficiency. American journal of medical genetics, 1987, Volume: 26, Issue:2 Topics: Anemia, Macrocytic; Anemia, Megaloblastic; Cells, Cultured; Fibroblasts; Homocysteine; Homocystinuria; Humans; Infant; Male; Methionine; Vitamin B 12; Vitamin B 12 Deficiency	1987
Altered tRNA methylation in rats and mice fed lipotrope-deficient diets. Carcinogenesis, 1986, Volume: 7, Issue:3 Topics: Animals; Choline Deficiency; Folic Acid Deficiency; Liver; Male; Methionine; Methylation; Mice; Rats; RNA, Transfer; tRNA Methyltransferases; Vitamin B 12 Deficiency	1986
Plasma amino acids and tissue methionine levels in fruit bats (Rousettus aegyptiacus) with nitrous oxide-induced vitamin B12 deficiency. The British journal of nutrition, 1985, Volume: 53, Issue:3 Topics: Amino Acids; Animals; Betaine; Chiroptera; Methionine; Nervous System; Nitrous Oxide; Vitamin B 12 Deficiency	1985
Role of folate dependent transformylases in synthesis of purine in bone marrow of man and in bone marrow and liver of rats. Journal of clinical pathology, 1985, Volume: 38, Issue:12 Topics: Acyltransferases; Adenosine; Anemia, Megaloblastic; Animals; Bone Marrow; Deoxyadenosines; Humans; Hydroxymethyl and Formyl Transferases; Liver; Male; Methionine; Nitrous Oxide; Phosphoribosylaminoimidazolecarboxamide Formyltransferase; Phosphoribosylglycinamide Formyltransferase; Purines; Rats; Rats, Inbred Strains; Thionucleosides; Vitamin B 12; Vitamin B 12 Deficiency	1985
New light on pernicious anaemia. Lancet (London, England), 1973, Sep-08, Volume: 2, Issue:7828 Topics: Adolescent; Anemia, Pernicious; Biological Transport; Child, Preschool; Coenzymes; Folic Acid; Hematopoiesis; Humans; Infant, Newborn; Methionine; Methyltransferases; Succinates; Tetrahydrofolates; Vitamin B 12 Deficiency	1973
Animal model: fatty liver and cirrhosis in lipotrope-deficient male rats. The American journal of pathology, 1973, Volume: 73, Issue:3 Topics: Animals; Choline Deficiency; Deficiency Diseases; Diet; Disease Models, Animal; Fatty Liver; Humans; Lipotropic Agents; Liver; Liver Cirrhosis, Experimental; Male; Methionine; Rats; Vitamin B 12 Deficiency	1973
Folic acid metabolism in vitamin B12-deficient sheep. Effects of injected methionine on liver constituents associated with folate metabolism. The Biochemical journal, 1974, Volume: 142, Issue:1 Topics: Adenosine Triphosphate; Animals; Azo Compounds; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Enterococcus faecalis; Female; FIGLU Test; Folic Acid; Glutarates; Lacticaseibacillus casei; Liver; Methionine; NAD; NADP; Pediococcus; Potassium; Sheep; Sodium; Tetrahydrofolates; Vitamin B 12 Deficiency	1974
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
Study of one-carbon metabolism in neonatal vitamin B12-deficient rats. The Journal of nutrition, 1969, Volume: 98, Issue:2 Topics: Animals; Animals, Newborn; Brain Chemistry; Carbon; Carbon Isotopes; Choline Deficiency; Chromatography, Thin Layer; Diet; DNA; Female; Hernia, Umbilical; Hydrocephalus; Lipids; Lipoproteins; Lipotropic Agents; Liver; Methionine; Organ Size; Phospholipids; Pregnancy; Proteins; Rats; RNA; Spinal Dysraphism; Vitamin B 12 Deficiency	1969
Methylmalonic acid excretion studies. British journal of haematology, 1973, Volume: 25, Issue:1 Topics: Administration, Oral; Anemia, Pernicious; Biological Assay; Chromatography, Gas; Erythrocyte Count; Folic Acid Deficiency; Humans; Isoleucine; Lacticaseibacillus casei; Lactobacillus; Leucine; Liver Cirrhosis; Malonates; Methionine; Stimulation, Chemical; Valine; Vitamin B 12; Vitamin B 12 Deficiency	1973
Vitamin B 12 and methionine metabolism in the Buffalo rat liver and Morris 5123 hepatoma. Laboratory investigation; a journal of technical methods and pathology, 1972, Volume: 27, Issue:2 Topics: Animals; Carcinoma, Hepatocellular; Choline Deficiency; Fatty Liver; Folic Acid; Homocystine; Liver; Liver Cirrhosis; Liver Neoplasms; Male; Methionine; Methylation; Neoplasms, Experimental; Nutrition Disorders; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1972
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
The effect of DL-methionine, vitamin B 12, and thyroid powder on metabolism of formiminoglutamic acid in rats. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1974, Volume: 147, Issue:1 Topics: Animals; Azo Compounds; Body Weight; Diet; FIGLU Test; Folic Acid; Folic Acid Deficiency; Glutarates; Growth; Homocysteine; Liver; Male; Methionine; Methods; Rats; Tetrahydrofolates; Thyroid (USP); Thyroid Hormones; Vitamin B 12; Vitamin B 12 Deficiency	1974
Hereditary transcobalamin II deficiency: the role of transcobalamin II in vitamin B 12 -mediated reactions. The Journal of pediatrics, 1972, Volume: 81, Issue:6 Topics: Amino Acid Metabolism, Inborn Errors; Cystathionine; DNA; Hematopoietic System; Homocysteine; Humans; Infant; Infant, Newborn; Isomerases; Leukocytes; Malonates; Methionine; Methyltransferases; Oxidation-Reduction; Propionates; Succinates; Vitamin B 12; Vitamin B 12 Deficiency	1972
Effect of methionine on specific folate coenzyme pools in vitamin B 12 deficient and supplemented rats. The Journal of nutrition, 1973, Volume: 103, Issue:3 Topics: Animal Nutritional Physiological Phenomena; Animals; Body Weight; Carbon Isotopes; Chromatography, DEAE-Cellulose; Coenzymes; FIGLU Test; Folic Acid; Glutamates; Homocysteine; Liver; Male; Malonates; Methionine; Methyltransferases; Oligopeptides; Rats; Tetrahydrofolates; Tritium; Vitamin B 12; Vitamin B 12 Deficiency	1973
Folated deficiency in pernicious anemia measured by determination of decreased serine synthesis in lymphocytes. British journal of haematology, 1973, Volume: 24, Issue:5 Topics: Adolescent; Adult; Aged; Anemia, Pernicious; Blood Proteins; Carbon Isotopes; Female; Folic Acid; Folic Acid Deficiency; Formates; Humans; Lymphocytes; Male; Methionine; Methods; Middle Aged; RNA; Serine; Vitamin B 12; Vitamin B 12 Deficiency	1973
The effects of diets containing raw soya-bean flour on the vitamin B 12 status of rats. The British journal of nutrition, 1973, Volume: 29, Issue:1 Topics: Animals; Body Weight; Dietary Proteins; Food, Fortified; Glycine max; Humans; Liver; Male; Malonates; Methionine; Rats; Sex Factors; Threonine; Tyrosine; Valine; Vitamin B 12; Vitamin B 12 Deficiency	1973
Methylmalonic aciduria and vitamin B12 deficiency in the rat. Journal of nutritional science and vitaminology, 1973, Volume: 19, Issue:5 Topics: Administration, Oral; Animals; Chromatography, Gas; Isoleucine; Male; Malonates; Methionine; Propionates; Rats; Threonine; Valine; Vitamin B 12 Deficiency	1973
Selective malabsorption of vitamin B 12: report of a case with metabolic studies. American journal of diseases of children (1960), 1974, Volume: 127, Issue:5 Topics: Alanine; Amino Acids; Anemia, Macrocytic; Child; Chromatography, Gas; Glycine; Hemoglobins; Histidine; Humans; Isoleucine; Leucine; Malabsorption Syndromes; Male; Malonates; Methionine; Proteinuria; Renal Tubular Transport, Inborn Errors; Reticulocytes; Serine; Taurine; Threonine; Tyrosine; Valine; Vitamin B 12; Vitamin B 12 Deficiency	1974
Specific enzymic methylation of an arginine in the experimental allergic encephalomyelitis protein from human myelin. Science (New York, N.Y.), 1971, Feb-12, Volume: 171, Issue:3971 Topics: Amino Acid Sequence; Animals; Arginine; Autoradiography; Brain; Carbon Isotopes; Demyelinating Diseases; Encephalomyelitis, Autoimmune, Experimental; Guinea Pigs; Humans; Methionine; Methylation; Myelin Sheath; Nerve Tissue Proteins; Nucleosides; Pepsin A; Peptides; Transferases; Trypsin; Vitamin B 12 Deficiency	1971
[Biological role of vitamin B 12: analysis of strict vitamin requirement of cell line of insects in vitro]. Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles, 1970, Jun-29, Volume: 270, Issue:26 Topics: Aminopterin; Cell Division; Cell Line; Coleoptera; Culture Techniques; Folic Acid; Folic Acid Deficiency; Methionine; Nucleic Acids; Nucleotides; Purines; Thymidine; Vitamin B 12; Vitamin B 12 Deficiency	1970
Methylmalonate, formiminoglutamate and aminoimidazolecarboxamide excretion of vitamin B 12 -deficient germfree and conventional rats. The Journal of nutrition, 1972, Volume: 102, Issue:1 Topics: Aging; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Creatinine; Deficiency Diseases; FIGLU Test; Germ-Free Life; Glutamates; Imidazoles; Intestines; Male; Malonates; Methionine; Rats; Stereoisomerism; Structure-Activity Relationship; Vitamin B 12; Vitamin B 12 Deficiency	1972
The effect of methionine on folic acid and histidine metabolism in perfused rat liver. Biochimica et biophysica acta, 1972, Oct-25, Volume: 279, Issue:3 Topics: Animals; Betaine; Carbon Dioxide; Carbon Isotopes; Choline; Deficiency Diseases; Drug Synergism; Ethionine; Folic Acid; Formates; Glutamates; Histidine; Homocysteine; Liver; Male; Methionine; Oxidation-Reduction; Peptides; Perfusion; Rats; Tetrahydrofolates; Vitamin B 12 Deficiency	1972
Relationship of arginine and methionine to creatine formation in chicks. The Journal of nutrition, 1971, Volume: 101, Issue:7 Topics: Amino Acids; Animal Nutritional Physiological Phenomena; Animals; Arginine; Betaine; Body Weight; Chickens; Choline; Choline Deficiency; Creatine; Cystine; Deficiency Diseases; Depression, Chemical; Folic Acid; Folic Acid Deficiency; Glycine; Glycine max; Guanidines; Lipid Metabolism; Liver; Male; Methionine; Muscles; Ornithine; Stimulation, Chemical; Urea; Vitamin B 12; Vitamin B 12 Deficiency; Zea mays	1971
Clinical aspect of the studies of metabolic precursors of methylmalonic acid in vitamin B 12 deficiency. Polish medical journal, 1971, Volume: 10, Issue:4 Topics: Adult; Aged; Anemia, Macrocytic; Anemia, Pernicious; Diagnosis, Differential; Humans; Malonates; Methionine; Middle Aged; Proteins; Valine; Vitamin B 12 Deficiency	1971
[Hereditary deficiencies of B 12 coenzymes]. Therapeutique (La Semaine des hopitaux), 1971, Volume: 47, Issue:10 Topics: Coenzymes; Female; Homocysteine; Humans; Infant; Isomerases; Male; Metabolism, Inborn Errors; Methionine; Methyltransferases; Vitamin B 12; Vitamin B 12 Deficiency	1971
Effects of sulfur-amino acids and choline on vitamin B 12 -deficient rats. Nutrition and metabolism, 1971, Volume: 13, Issue:6 Topics: Animal Nutritional Physiological Phenomena; Animals; Body Weight; Choline; Cysteine; Drug Synergism; FIGLU Test; Flour; Glutamates; Glycine max; Hot Temperature; Liver; Male; Malonates; Methionine; Propionates; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1971
Methylation of t-RNA: effect of vitamin B 12 deficiency in rat. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1967, Volume: 124, Issue:1 Topics: Alkylation; Animals; Escherichia coli; In Vitro Techniques; Liver; Methionine; Rats; RNA, Transfer; Serine; Vitamin B 12 Deficiency	1967
[Pernicious anemia--funicular spinal disease--pernicious psychosis]. Der Nervenarzt, 1969, Volume: 40, Issue:10 Topics: Anemia, Pernicious; Female; Folic Acid; Homocysteine; Humans; Intestinal Absorption; Isomerases; Methionine; Middle Aged; Neurocognitive Disorders; Spinal Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1969
Lack of effect of L-methionine ingestion on 14CO2 excretion from L-histidine (imidazole-2-14C) in folic acid and vitamin B12 deficient humans. Blood, 1970, Volume: 35, Issue:1 Topics: Alcoholism; Bone Marrow Examination; Carbon Dioxide; Carbon Isotopes; Cell Membrane Permeability; Erythrocyte Count; Folic Acid Deficiency; Hematocrit; Hemoglobinometry; Humans; Imidazoles; Intestinal Absorption; Liver Cirrhosis; Methionine; Nutrition Disorders; Vitamin B 12 Deficiency	1970
Factors affecting formiminoglutamic acid excretion in vitamin B 12 deficiency. The Biochemical journal, 1970, Volume: 116, Issue:4 Topics: Aminopterin; Animals; Betaine; Female; Folic Acid; Folic Acid Deficiency; Glutarates; Histidine; Male; Methionine; Rats; Sheep; Vitamin B 12; Vitamin B 12 Deficiency	1970
A derangement in B12 metabolism associated with homocystinemia, cystathioninemia, hypomethioninemia and methylmalonic aciduria. The American journal of medicine, 1970, Volume: 48, Issue:3 Topics: Acidosis; Amino Acids; Aminobutyrates; Brain; Chromatography, Paper; Fibroblasts; Homocystine; Humans; Hydro-Lyases; Infant, Newborn; Infant, Newborn, Diseases; Isomerases; Kidney; Liver; Male; Malonates; Metabolism, Inborn Errors; Methionine; Transferases; Vitamin B 12; Vitamin B 12 Deficiency	1970
Deranged DNA synthesis by bone marrow from vitamin B-12-deficient humans. British journal of haematology, 1968, Volume: 14, Issue:6 Topics: Anemia, Macrocytic; Bone Marrow; Bone Marrow Cells; Deoxyuridine; DNA; Female; Folic Acid; Folic Acid Deficiency; Humans; In Vitro Techniques; Methionine; Methotrexate; Thymine; Tritium; Uridine; Vitamin B 12; Vitamin B 12 Deficiency	1968
Urinary aminoimidazolecarboxamide in the rat as influenced by dietary vitamin B12, methionine and thyroid powder. The Journal of nutrition, 1968, Volume: 95, Issue:3 Topics: Amides; Animal Nutritional Physiological Phenomena; Animals; Deficiency Diseases; Depression, Chemical; Diet; Growth; Imidazoles; Indicators and Reagents; Methionine; Rats; Spectrophotometry; Thyroid Hormones; Vitamin B 12; Vitamin B 12 Deficiency	1968
The induction of liver cirrhosis in rats by purified amino acid diets. Cancer research, 1969, Volume: 29, Issue:1 Topics: Amino Acids; Animals; Body Weight; Cholesterol; Choline Deficiency; Deficiency Diseases; Diet; Dietary Proteins; DNA; Fatty Liver; Lipids; Liver; Liver Cirrhosis; Male; Methionine; Rats; Thymidine; Triglycerides; Tritium; Vitamin B 12 Deficiency	1969
Defective DNA synthesis in human megaloblastic bone marrow: effects of homocysteine and methionine. The Journal of clinical investigation, 1969, Volume: 48, Issue:2 Topics: Anemia; Anemia, Macrocytic; Anemia, Pernicious; Bone Marrow; Deoxyuridine; DNA; Folic Acid Deficiency; Homocysteine; Humans; In Vitro Techniques; Methionine; Methotrexate; Thymidine; Transferases; Tritium; Vitamin B 12 Deficiency	1969
Effect of iodinated casein on production of vitamin B 12 and folic acid deficiency in rats. The American journal of physiology, 1969, Volume: 216, Issue:1 Topics: Amino Acids; Animals; Biological Transport, Active; Blood Proteins; Carbon Isotopes; Caseins; Diet; Folic Acid Deficiency; Growth; Intestinal Absorption; Intestine, Small; Iodine; Methionine; Oleic Acids; Organ Size; Rats; Tritium; Vitamin B 12; Vitamin B 12 Deficiency	1969
Relation of vitamin B12 and one-carbon metabolism to hydrocephalus in the rat. The Journal of nutrition, 1966, Volume: 88, Issue:4 Topics: Animals; Animals, Newborn; Carbon; Choline; Diet; Folic Acid; Folic Acid Antagonists; Hydrocephalus; Methionine; Rats; Vitamin B 12 Deficiency	1966
Effect of diets marginal in methionine and choline with and without vitamin B 12 on rat liver and kidney. The Journal of nutrition, 1966, Volume: 89, Issue:1 Topics: Animals; Choline; Choline Deficiency; Deficiency Diseases; Kidney Diseases; Liver Diseases; Methionine; Rats; Vitamin B 12; Vitamin B 12 Deficiency	1966
Incorporation of [14C] amino acids into liver S-RNA of chick. Effect of orotic acid and vitamin B12. Experientia, 1966, Jul-15, Volume: 22, Issue:7 Topics: Amino Acids; Animals; Carbon Isotopes; In Vitro Techniques; Leucine; Liver; Methionine; Orotic Acid; Poultry; RNA, Transfer; Serine; Vitamin B 12; Vitamin B 12 Deficiency	1966