tryptophan and vitamin b 12

tryptophan has been researched along with vitamin b 12 in 54 studies

Research

Studies (54)

Timeframe	Studies, this research(%)	All Research%
pre-1990	35 (64.81)	18.7374
1990's	1 (1.85)	18.2507
2000's	3 (5.56)	29.6817
2010's	10 (18.52)	24.3611
2020's	5 (9.26)	2.80

Authors

Authors	Studies
Montini, M; Ongaro, A; Simonutti, M	1
Amatayakul, K; Sivasomboon, B; Thanangkul, O	1
Anderson, KE; Bodansky, O; Kappas, A	1
Goldsmith, GA	1
Larsson-Cohn, U	2
Beck, LR; Boots, L; Cornwell, PE	1
Beeken, WL; Mayer, PJ	1
Durán, N; Haun, M; Riveros, R	1
Bammer, HG	1
Marx, I; Richter, R; Stobbe, H	1
Fox, H; Kondi, A; Linsell, CA; Parker, AM; Sizaret, P	1
Aksenova, OV; Cherntsvoa, TA; Ivanova, VD	1
Hafkenscheid, JC; Trijbels, JM; van Tongeren, JH; Yap, SH	1
Murdia, US; Tamhane, DV	1
Tomkin, GH; Weir, DG	1
Blakley, RL; Tamao, Y	1
Doar, JW	1
Dollinger, HC	1
Kass, L	1
Nair, KR; Virmani, V	1
Scott, AI	1
Khan, GA; Scott, AJ	1
Tabaqchali, S	1
Konova, IV; Rybakova, RK; Shaposhnikov, VN; Verkhovtseva, MI	1
Inada, M	1
Bieber, G; Cesario, S	1
Aschkenasy, A	1
Hsu, JM; Kawin, B	1
Sauberlich, HE	1
Baig, SM; Bednar, I; Halawa, A; Parvez, SH; Qureshi, GA	1
VISTOLI, G	1
ASCHKENASY, A; WOLFF, R	1
FOY, H; KONDI, A; MBAYA, V	1
MIASISHCHEVA, NV; RAUSHENBAKH, MO	1
AXELROD, AE; LUDOVICI, PP	1
Capuron, L; Frick, B; Fuchs, D; Lawson, DH; Miller, AH; Musselman, DL; Nemeroff, CB; Schröcksnadel, K	1
Frick, B; Fuchs, D; Leblhuber, F; Neurauter, G; Schroecksnadel, K	1
Fukuwatari, T; Shibata, K; Wada, H	1
Fuchs, D; Greilberger, J; Greilberger, M; Leblhuber, F; Tafeit, E; Wintersteiger, R	1
Benjdia, A; Berteau, O; Guillot, A; Langella, P; Pierre, S; Sandström, C	1
Escalante-Semerena, JC; Moore, TC; Newmister, SA; Rayment, I	1
Chan, KK; O'Hagan, D; Thompson, S	1
Amara, P; Banerjee, R; Benjdia, A; Berteau, O; Carmona, M; Gherasim, C; Guillot, A; Pierre, S	1
Fuchs, D; Greilberger, J; Greilberger, M; Leblhuber, F; Rommer, PS; Schroth, R; Tafeit, E	1
Korkhov, VM; Kräutler, B; Locher, KP; Mireku, SA; Ruetz, M; Zhou, T	1
Blaszczyk, AJ; Booker, SJ; Ho, JV; Silakov, A; Wang, B	1
Blaszczyk, AJ; Booker, SJ; Wang, RX	1
Blaszczyk, AJ; Booker, SJ; Knox, HL	1
Mishra, PP; Rout, J; Sahoo, H; Subadini, S; Swain, BC; Tripathy, U	1
Amini, M; Hosseinzadeh, M; Khosravi, M; Mansoori, A; Raisi, F; Sotoudeh, G	1
Blaszczyk, AJ; Booker, SJ; Chen, PY; Drennan, CL; Grove, TL; Knox, HL; Mukherjee, A; Schwalm, EL; Wang, B	1
Benjdia, A; Berteau, O; Brewee, C; Guillot, A; Guinchard, X; Haumann, M; Kubiak, X; Sabat, N; Soualmia, F	1
Bauer, E; Kaltenpoth, M; Michalik, A; Szklarzewicz, T	1

Reviews

8 review(s) available for tryptophan and vitamin b 12

Article	Year
Effects of oral contraceptives on vitamin metabolism. Advances in clinical chemistry, 1976, Volume: 18 Topics: Ascorbic Acid; Blood Platelets; Contraceptives, Oral; Depression; Female; Folic Acid; Humans; Leukocytes; Menstruation; Nicotinic Acids; Pregnancy; Pyridoxine; Riboflavin; Serotonin; Thiamine; Time Factors; Tryptophan; Vitamin A; Vitamin B 12; Vitamin E; Vitamin E Deficiency; Vitamins	1976
Vitamin B complex. Thiamine, riboflavin, niacin, folic acid (folacin), vitamin B12, biotin. Progress in food & nutrition science, 1975, Volume: 1, Issue:9 Topics: Adolescent; Adult; Aged; Animals; Biotin; Chemical Phenomena; Chemistry; Child; Female; Folic Acid; Folic Acid Deficiency; Humans; Infant; Infant, Newborn; Male; Mouth Diseases; Nicotinic Acids; Nutritional Requirements; Pellagra; Pregnancy; Riboflavin; Riboflavin Deficiency; Thiamine; Thiamine Deficiency; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Vitamin B Deficiency	1975
Oral contraceptives and vitamins: a review. American journal of obstetrics and gynecology, 1975, Jan-01, Volume: 121, Issue:1 Topics: Ascorbic Acid; Contraceptives, Oral; Depression; Estradiol Congeners; Female; Folic Acid; Folic Acid Deficiency; Humans; Lipids; Menstruation; Nicotinic Acids; Pyridoxine; Tryptophan; Vitamin A; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamins	1975
[Neurological aspects of the vitamin B complex]. Zeitschrift fur Neurologie, 1972, Volume: 202, Issue:3 Topics: Alcoholism; Anticonvulsants; Cyanides; Deficiency Diseases; Electroencephalography; Erythrocytes; Folic Acid Deficiency; Humans; Isoniazid; Nervous System Diseases; Neurocognitive Disorders; Pellagra; Polyneuropathies; Schilling Test; Spinal Cord Diseases; Thiamine Deficiency; Transketolase; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamin B Deficiency; Wernicke Encephalopathy	1972
Metabolic side-effects of oral contraceptives. Clinics in endocrinology and metabolism, 1973, Volume: 2, Issue:3 Topics: Blood Coagulation; Blood Coagulation Factors; Blood Glucose; Blood Pressure; Blood Proteins; Contraceptives, Oral; Estrogens; Female; Fibrinolysis; Glucose Tolerance Test; Humans; Insulin; Lactates; Lipids; Lipoproteins; Liver; Metabolism; Progestins; Pyruvates; Serotonin; Tryptophan; Vitamin B 12; Vitamins; Water-Electrolyte Balance	1973
[Oral contraceptives and vitamins]. Lakartidningen, 1974, Mar-06, Volume: 71, Issue:10 Topics: Animals; Ascorbic Acid; Blood Glucose; Contraceptives, Oral; Depression; Depression, Chemical; Estrogens; Female; Folic Acid; Humans; Pregnancy; Pyridoxine; Rats; Tryptophan; Vitamin A; Vitamin B 12	1974
The microflora of the stagnant loop syndrome. Proceedings of the Royal Society of Medicine, 1969, Volume: 62, Issue:10 Topics: Bacteria; Bile Acids and Salts; Blind Loop Syndrome; Celiac Disease; Escherichia coli; Folic Acid; Humans; Indican; Malabsorption Syndromes; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency	1969
Interactions of thiamin, riboflavin, and other B-vitamins. Annals of the New York Academy of Sciences, 1980, Volume: 355 Topics: Adult; Animals; Ascorbic Acid; Aspartate Aminotransferases; Biotin; Cricetinae; Female; Humans; Male; NAD; Nicotinic Acids; Pantothenic Acid; Pyridoxine; Riboflavin; Riboflavin Deficiency; Thiamine; Tryptophan; Vitamin B 12; Vitamin B 6 Deficiency; Vitamin B Complex	1980

Trials

2 trial(s) available for tryptophan and vitamin b 12

Article	Year
[Controlled clinical study and clinico-psychological evaluation of a preparation with neurotrophic effects]. La Clinica terapeutica, 1977, Aug-15, Volume: 82, Issue:3 Topics: Aged; Arginine; Clinical Trials as Topic; Drug Combinations; Drug Evaluation; Female; Glutamine; Humans; Male; Mental Disorders; Middle Aged; Nervous System Diseases; Organophosphorus Compounds; Serine; Threonine; Tryptophan; Vitamin B 12	1977
Lowered Levels of Carbonyl Proteins after Vitamin B Supplementation in Patients with Mild Cognitive Impairment and Alzheimer's Disease. Neuro-degenerative diseases, 2016, Volume: 16, Issue:3-4 Topics: Age Factors; Aged; Alzheimer Disease; Biomarkers; Cognitive Dysfunction; Dietary Supplements; Discriminant Analysis; Female; Folic Acid; Humans; Kynurenine; Male; Mental Status Schedule; Middle Aged; ROC Curve; Thiamine; Treatment Outcome; Tryptophan; Vitamin B 12; Vitamin B 6; Vitamin B Complex	2016

Article

Year

[Controlled clinical study and clinico-psychological evaluation of a preparation with neurotrophic effects].

La Clinica terapeutica, 1977, Aug-15, Volume: 82, Issue:3

Topics: Aged; Arginine; Clinical Trials as Topic; Drug Combinations; Drug Evaluation; Female; Glutamine; Humans; Male; Mental Disorders; Middle Aged; Nervous System Diseases; Organophosphorus Compounds; Serine; Threonine; Tryptophan; Vitamin B 12

1977

Lowered Levels of Carbonyl Proteins after Vitamin B Supplementation in Patients with Mild Cognitive Impairment and Alzheimer's Disease.

Neuro-degenerative diseases, 2016, Volume: 16, Issue:3-4

Topics: Age Factors; Aged; Alzheimer Disease; Biomarkers; Cognitive Dysfunction; Dietary Supplements; Discriminant Analysis; Female; Folic Acid; Humans; Kynurenine; Male; Mental Status Schedule; Middle Aged; ROC Curve; Thiamine; Treatment Outcome; Tryptophan; Vitamin B 12; Vitamin B 6; Vitamin B Complex

2016

Other Studies

44 other study(ies) available for tryptophan and vitamin b 12

Article	Year
Vitamin and trace mineral metabolism in medroxyprogesterone acetate users. Contraception, 1978, Volume: 18, Issue:3 Topics: Adolescent; Adult; Carotenoids; Female; Folic Acid; Humans; Medroxyprogesterone; Pyridoxine; Riboflavin; Thiamine; Trace Elements; Tryptophan; Vitamin A; Vitamin B 12; Vitamins	1978
Effect of ethynodiol diacetate and mestranol on serum folic acid and vitamin B12 levels and on tryptophan metabolism in baboons. The American journal of clinical nutrition, 1975, Volume: 28, Issue:4 Topics: Animal Nutritional Physiological Phenomena; Animals; Drug Combinations; Ethynodiol Diacetate; Female; Folic Acid; Glucose Tolerance Test; Leukocyte Count; Lymphocytes; Mestranol; Neutrophils; Papio; Pyridoxine; Time Factors; Tryptophan; Vitamin B 12; Xanthurenates	1975
The role of urinary indican as a predictor of bacterial colonization in the human jejunum. The American journal of digestive diseases, 1975, Volume: 20, Issue:11 Topics: Albumins; Bacteria; Feces; Gastrointestinal Diseases; Humans; Indican; Jejunum; Lactose Tolerance Test; Lipids; Nitrogen; Tryptophan; Vitamin B 12; Xylose	1975
Effect of growth conditions on production of violacein by Chromobacterium violaceum (BB-78 strain). Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas, 1989, Volume: 22, Issue:5 Topics: Chromobacterium; Culture Media; Hydrogen-Ion Concentration; Indoles; Methionine; Trypanocidal Agents; Tryptophan; Vitamin B 12	1989
[On the diagnosis of idiopathic and symptomatic sideroblastic anemias]. Folia haematologica (Leipzig, Germany : 1928), 1968, Volume: 89, Issue:3 Topics: Adult; Alkaline Phosphatase; Anemia, Sideroblastic; Blood Cell Count; Blood Transfusion; Bone Marrow Examination; Diabetes Mellitus; Digestive System; Erythrocytes; Gastric Juice; Hematocrit; Hemoglobinometry; Hexachlorocyclohexane; Humans; Iron; Karyotyping; Liver; Male; Microscopy, Electron; Middle Aged; Mitochondria; Osmotic Fragility; Polycythemia Vera; Porphyrins; Radiography; Schilling Test; Thalassemia; Tryptophan; Vitamin B 12; Vitamin B 12 Deficiency	1968
The alpha 1-fetoprotein test in hepatocellular carcinoma. Lancet (London, England), 1970, Feb-21, Volume: 1, Issue:7643 Topics: Animals; Diet; Fetal Proteins; Folic Acid; Haplorhini; Liver Neoplasms; Pyridoxine; Tryptophan; Vitamin B 12; Vitamin B 6 Deficiency	1970
[Apropos of the use of vitamins in the treatment of chronic leukemia at its early stage. II]. Problemy gematologii i perelivaniia krovi, 1966, Volume: 11, Issue:5 Topics: Ascorbic Acid; Chronic Disease; Humans; Leukemia, Lymphoid; Leukemia, Myeloid; Niacinamide; Pyridoxine; Riboflavin; Thiamine; Tryptophan; Vitamin B 12; Vitamin B 6 Deficiency; Vitamins	1966
Rate of synthesis of albumin in relation to serum levels of essential amino acids in patients with bacterial overgrowth in the small bowel. European journal of clinical investigation, 1974, Volume: 4, Issue:4 Topics: Adult; Aged; Air; Albumins; Amino Acids, Essential; Carbon Radioisotopes; Crohn Disease; Female; Glycocholic Acid; Humans; Ileum; Intestinal Diseases; Intestinal Obstruction; Intestinal Secretions; Intestine, Small; Isoleucine; Jejunum; Leucine; Liver Function Tests; Lysine; Male; Middle Aged; Respiration; Tryptophan; Valine; Vitamin B 12	1974
Tryptophan metabolism in Ochromonas malhamensis. The Journal of protozoology, 1974, Volume: 21, Issue:4 Topics: Adenine; Culture Media; Eukaryota; Folic Acid; Indoles; Phenylalanine; Pyridoxal; Tryptophan; Tryptophan Synthase; Tyrosine; Vitamin B 12	1974
Indicanuria after gastric surgery. An evaluation in the diagnosis of the blind-loop syndrome. The Quarterly journal of medicine, 1972, Volume: 41, Issue:162 Topics: Agar; Anemia; Blind Loop Syndrome; Body Weight; Diet; Escherichia coli; Feces; Female; Gastrectomy; Gastroenterostomy; Hemoglobins; Humans; Indican; Intestine, Small; Iron; Lipids; Male; Peptic Ulcer; Postoperative Complications; Tryptophan; Vitamin B 12	1972
Direct spectrophotometric observation of an intermediate formed from deoxyadenosylcobalamin in ribonucleotide reduction. Biochemistry, 1973, Jan-02, Volume: 12, Issue:1 Topics: Adenosine Triphosphate; Alcohol Oxidoreductases; Catalysis; Chemical Phenomena; Chemistry; Cobamides; Coenzymes; Cytosine Nucleotides; Deoxyribonucleotides; Deuterium; Guanine Nucleotides; Kinetics; Lactobacillus; Models, Chemical; Oxidation-Reduction; Protein Conformation; Ribonucleotides; Spectrophotometry; Spectrophotometry, Ultraviolet; Sulfhydryl Compounds; Temperature; Thioctic Acid; Thymine Nucleotides; Tritium; Tryptophan; Vitamin B 12	1973
[Maldigestion--clinical aspects and therapy of digestive disorders]. Zeitschrift fur Allgemeinmedizin, 1972, Dec-20, Volume: 48, Issue:35 Topics: Anti-Bacterial Agents; Diet Therapy; Digestion; Gastrointestinal Diseases; Humans; Tryptophan; Vitamin B 12	1972
Histone biosynthesis in pernicious anemia proerythroblasts and megaloblasts. Blood, 1973, Volume: 41, Issue:4 Topics: Amino Acids; Anemia, Macrocytic; Anemia, Pernicious; Autoradiography; Electrophoresis, Disc; Hematopoietic Stem Cells; Histones; Humans; Lysine; Schilling Test; Tritium; Tryptophan; Vitamin B 12	1973
Newer trends in the genetic and biochemical studies in the etiopathogenesis of aminoacidopathies. Neurology India, 1973, Volume: 21, Issue:3 Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids, Sulfur; Base Sequence; Coenzymes; DNA; Enzymes; Genes, Regulator; Humans; Infant; Leucine; Mutation; Pyridoxine; Syndrome; Tryptophan; Vitamin B 12	1973
Biosynthesis of natural products. Science (New York, N.Y.), 1974, May-17, Volume: 184, Issue:4138 Topics: Alkaloids; Carbon Isotopes; Carbon Radioisotopes; Cell-Free System; Fourier Analysis; Isotope Labeling; Levulinic Acids; Magnetic Resonance Spectroscopy; Plants; Porphobilinogen; Propionibacterium; Strychnine; Tryptophan; Vinca Alkaloids; Vitamin B 12	1974
Partial biliary obstruction with cholangitis producing a blind loop syndrome. Gut, 1968, Volume: 9, Issue:2 Topics: Bile; Bile Acids and Salts; Biliary Tract Diseases; Cholangitis; Cholelithiasis; Cholestasis; Chromatography, Thin Layer; Escherichia coli Infections; Gallstones; Humans; Tryptophan; Vitamin B 12	1968
[Effect of medium components on the accumulation of certain heterocyclic products in Actinomyces olivaceus cultures]. Doklady Akademii nauk SSSR, 1969, Volume: 184, Issue:1 Topics: Actinomyces; Cobalt; Culture Media; Heterocyclic Compounds; Indoles; ortho-Aminobenzoates; Tryptophan; Vitamin B 12	1969
Studies on hog intrinsic factor. I. Purification of hog intrinsic factor and its physicochemical properties. The Journal of vitaminology, 1970, Mar-10, Volume: 16, Issue:1 Topics: Amino Acids; Animals; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Dialysis; Electrophoresis; Glucosamine; Hexoses; Intrinsic Factor; Molecular Weight; Neuraminic Acids; Protein Binding; Spectrophotometry; Swine; Tryptophan; Ultracentrifugation; Vitamin B 12	1970
[Preliminary results of a drug therapy of a group of school-age mental retardates]. Minerva medica, 1969, May-30, Volume: 60, Issue:43 Topics: Adolescent; Amino Acids; Arginine; Child; Female; Glutamine; Humans; Intellectual Disability; Male; Serine; Threonine; Tryptophan; Vitamin B 12	1969
Effects of protein or amino acid deprivation on the tissue distribution of vitamin B12. Israel journal of medical sciences, 1965, Volume: 1, Issue:4 Topics: Amino Acids; Animals; Cobalt Isotopes; Cystine; Deficiency Diseases; Histidine; Isoleucine; Kidney; Leucine; Liver; Methionine; Nitrogen; Rats; Tryptophan; Urine; Valine; Vitamin B 12	1965
Metabolic fate of 60Co-labeled cyanocobalamin in tryptophan-deficient rats. The Journal of nutrition, 1966, Volume: 88, Issue:1 Topics: Animals; Cobalt Isotopes; Deficiency Diseases; Kidney; Liver; Rats; Tryptophan; Urine; Vitamin B 12	1966
The neurochemical markers in cerebrospinal fluid to differentiate between aseptic and tuberculous meningitis. Neurochemistry international, 1998, Volume: 32, Issue:2 Topics: Adult; Amino Acids; Aspartic Acid; Biomarkers; Diagnosis, Differential; Female; gamma-Aminobutyric Acid; Glutamic Acid; Glycine; Homocysteine; Humans; Male; Meningitis, Aseptic; Middle Aged; Nitrites; Tryptophan; Tuberculosis, Meningeal; Vitamin B 12	1998
[Interaction of various amino acids and vitamin B12 in the prevention of nutritional hepatic steatosis in the rat]. Acta vitaminologica, 1955, Volume: 9, Issue:5 Topics: Amino Acids; Animals; Corrinoids; Fatty Liver; Glycine; Glycine Agents; Liver Diseases; Rats; Tryptophan; Vitamin B 12	1955
[VITAMIN B-12 CONTENTS OF THE LIVER AND KIDNEYS AND URINARY EXCRETION OF THIS VITAMIN IN RATS DEFICIENT IN CERTAIN ESSENTIAL AMINO ACIDS (SULFATED OR PHENOLIC AMINO ACIDS, LYSINE, TRYPTOPHAN, HISTIDINE)]. Comptes rendus des seances de la Societe de biologie et de ses filiales, 1963, Volume: 157 Topics: Amino Acids; Amino Acids, Essential; Deficiency Diseases; Histidine; Kidney; Liver; Lysine; Metabolism; Rats; Research; Tryptophan; Urine; Vitamin B 12; Vitamins	1963
EFFECT OF RIBOFLAVINE DEFICIENCY ON BONE MARROW FUNCTION AND PROTEIN METABOLISM IN BABOONS. PRELIMINARY REPORT. The British journal of nutrition, 1964, Volume: 18 Topics: Anemia; Anemia, Aplastic; Animals; Blood Cell Count; Blood Proteins; Bone Marrow; Cholesterol; Folic Acid; Haplorhini; Hemoglobins; Humans; Metabolism; Papio; Proteins; Research; Riboflavin Deficiency; Tryptophan; Urine; Vitamin B 12; Xanthurenates	1964
[ON THE INHIBITORY ACTION OF TRYPTOPHAN METABOLITES ON VITAMIN B12 UTILIZATION]. Problemy gematologii i perelivaniia krovi, 1965, Volume: 10 Topics: Corrinoids; Escherichia coli; Hematinics; Metabolism; Research; Tryptophan; Vitamin B 12	1965
Circulating antibodies in vitamin-deficiency states; pteroylglutamic acid, niacin-tryptophan, vitamins B12, A, and D deficiencies. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1951, Volume: 77, Issue:3 Topics: Antibodies; Antigens; Avitaminosis; Folic Acid; Humans; Niacin; Tryptophan; Vitamin A; Vitamin B 12; Vitamins	1951
Plasma homocysteine and immune activation in patients with malignant melanoma undergoing treatment with IFN-alpha. Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research, 2004, Volume: 24, Issue:5 Topics: Adult; Aged; Antineoplastic Agents; Female; Folic Acid; Homocysteine; Humans; Interferon alpha-2; Interferon-alpha; Kynurenine; Macrophage Activation; Male; Melanoma; Middle Aged; Neopterin; Predictive Value of Tests; Recombinant Proteins; Tryptophan; Vitamin B 12	2004
Increasing production of homocysteine and neopterin and degradation of tryptophan with older age. Clinical biochemistry, 2004, Volume: 37, Issue:8 Topics: Adult; Aged; Aged, 80 and over; Aging; Dioxygenases; Enzyme-Linked Immunosorbent Assay; Female; Folic Acid; Homocysteine; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Interferon-gamma; Kynurenine; Macrophages; Male; Middle Aged; Neopterin; T-Lymphocytes; Time Factors; Tryptophan; Vitamin B 12	2004
Age-related alterations of B-group vitamin contents in urine, blood and liver from rats. Journal of nutritional science and vitaminology, 2008, Volume: 54, Issue:5 Topics: Age Factors; Aging; Animals; Biotin; Body Weight; Eating; Folic Acid; Liver; Male; Models, Animal; Niacinamide; Pyridoxal Phosphate; Rats; Tryptophan; Vitamin B 12; Vitamin B Complex	2008
Carbonyl proteins as a clinical marker in Alzheimer's disease and its relation to tryptophan degradation and immune activation. Clinical laboratory, 2010, Volume: 56, Issue:9-10 Topics: Aged; Alzheimer Disease; Biomarkers; Cognition Disorders; Female; Folic Acid; Homocysteine; Humans; Male; Middle Aged; Neopterin; Oxidative Stress; Protein Carbonylation; Reference Values; Tryptophan; Vitamin B 12	2010
Thiostrepton tryptophan methyltransferase expands the chemistry of radical SAM enzymes. Nature chemical biology, 2012, Volume: 8, Issue:12 Topics: Cloning, Molecular; Dithionite; Dithiothreitol; Escherichia coli; Methyltransferases; Recombinant Proteins; S-Adenosylmethionine; Spectrophotometry, Ultraviolet; Sulfhydryl Reagents; Thiostrepton; Tryptophan; Vitamin B 12	2012
Structural insights into the mechanism of four-coordinate Cob(II)alamin formation in the active site of the Salmonella enterica ATP:Co(I)rrinoid adenosyltransferase enzyme: critical role of residues Phe91 and Trp93. Biochemistry, 2012, Dec-04, Volume: 51, Issue:48 Topics: Catalytic Domain; Kinetics; Models, Molecular; Phenylalanine; Protein Conformation; Salmonella enterica; Transferases; Tryptophan; Vitamin B 12	2012
The mechanisms of radical SAM/cobalamin methylations: an evolving working hypothesis. Chembiochem : a European journal of chemical biology, 2013, Apr-15, Volume: 14, Issue:6 Topics: Anti-Bacterial Agents; Methylation; Methyltransferases; S-Adenosylmethionine; Streptomyces; Thiostrepton; Tryptophan; Vitamin B 12	2013
The thiostrepton A tryptophan methyltransferase TsrM catalyses a cob(II)alamin-dependent methyl transfer reaction. Nature communications, 2015, Oct-12, Volume: 6 Topics: Coenzymes; Escherichia coli; Methyltransferases; Thiostrepton; Tryptophan; Vitamin B 12	2015
Conformational Change of a Tryptophan Residue in BtuF Facilitates Binding and Transport of Cobinamide by the Vitamin B12 Transporter BtuCD-F. Scientific reports, 2017, 01-27, Volume: 7 Topics: ATP-Binding Cassette Transporters; Binding Sites; Biological Transport; Cobamides; Crystallography, X-Ray; Escherichia coli Proteins; Kinetics; Liposomes; Models, Molecular; Mutation; Periplasmic Binding Proteins; Protein Binding; Protein Conformation; Structure-Activity Relationship; Tryptophan; Vitamin B 12	2017
Efficient methylation of C2 in l-tryptophan by the cobalamin-dependent radical The Journal of biological chemistry, 2017, 09-15, Volume: 292, Issue:37 Topics: Bacterial Proteins; Biocatalysis; Electron Spin Resonance Spectroscopy; Enzyme Inhibitors; Enzyme Stability; Kinetics; Methylation; Methyltransferases; Molecular Structure; Recombinant Fusion Proteins; Recombinant Proteins; S-Adenosylmethionine; Spectrophotometry; Staphylococcus; Substrate Specificity; Thiostrepton; Tryptophan; Vitamin B 12	2017
TsrM as a Model for Purifying and Characterizing Cobalamin-Dependent Radical S-Adenosylmethionine Methylases. Methods in enzymology, 2017, Volume: 595 Topics: Bacterial Proteins; Biocatalysis; Coenzymes; Cysteine; Escherichia coli; Iron-Sulfur Proteins; Methylation; Methyltransferases; Protein Binding; S-Adenosylmethionine; Small Ubiquitin-Related Modifier Proteins; Tryptophan; Vitamin B 12	2017
Understanding the role of electron donors in the reaction catalyzed by Tsrm, a cobalamin-dependent radical S-adenosylmethionine methylase. Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry, 2019, Volume: 24, Issue:6 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Dithiothreitol; Escherichia coli; Hydroxocobalamin; Iron-Sulfur Proteins; Methylation; Oxidation-Reduction; S-Adenosylmethionine; Tryptophan; Vitamin B 12	2019
Biophysical study on complex formation between β-Lactoglobulin and vitamin B12. Food chemistry, 2020, May-15, Volume: 312 Topics: Biophysical Phenomena; Circular Dichroism; Lactoglobulins; Protein Structure, Secondary; Spectrometry, Fluorescence; Tryptophan; Vitamin B 12	2020
The relationship between dietary patterns and depression mediated by serum levels of Folate and vitamin B12. BMC psychiatry, 2020, 02-13, Volume: 20, Issue:1 Topics: Adolescent; Adult; Aged; Case-Control Studies; Depression; Depressive Disorder, Major; Female; Folic Acid; Homocysteine; Humans; Iran; Logistic Models; Male; Middle Aged; Tryptophan; Vitamin B 12; Young Adult	2020
Structural basis for non-radical catalysis by TsrM, a radical SAM methylase. Nature chemical biology, 2021, Volume: 17, Issue:4 Topics: Arginine; Catalysis; Coenzymes; Iron-Sulfur Proteins; Methylation; Methyltransferases; S-Adenosylmethionine; Streptomycetaceae; Thiostrepton; Tryptophan; Vitamin B 12; X-Ray Diffraction	2021
Exploring the Biosynthetic Potential of TsrM, a B Chemistry (Weinheim an der Bergstrasse, Germany), 2022, Jun-01, Volume: 28, Issue:31 Topics: Methylation; Methyltransferases; S-Adenosylmethionine; Tryptophan; Vitamin B 12	2022
Nutrient supplementation by genome-eroded Burkholderia symbionts of scale insects. The ISME journal, 2023, Volume: 17, Issue:12 Topics: Animals; Burkholderia; Dietary Supplements; Genome, Bacterial; Hemiptera; Nutrients; Phylogeny; Symbiosis; Tryptophan; Vitamin B 12	2023