tryptophan and Down Syndrome

tryptophan has been researched along with Down Syndrome in 32 studies

Research

Studies (32)

Timeframe	Studies, this research(%)	All Research%
pre-1990	30 (93.75)	18.7374
1990's	0 (0.00)	18.2507
2000's	1 (3.13)	29.6817
2010's	1 (3.13)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Molina-Carballo, A; Muñoz-Hoyos, A; Romero, J; Uberos, J	1
JEROME, H; LEJEUNE, J; TURPIN, R	1
CAREDDU, P; SCHWARZ-TIENE, E	1
CHUNG, SI; MCCOY, EE	1
BRAUNER, F	1
ANAST, CS; MCCOY, EE; NAYLOR, JJ	1
MAHANAND, D; ONG, BH; PAINE, RS; ROSNER, F	1
GROSHEK, A; O'BRIEN, D	1
Sanders-Bush, E; Sodhi, MS	1
Hoshino, Y; Kaneko, M; Kumashiro, H; Yashima, Y	1
Betke, K; Schäfer, KH	1
Bremer, HJ	1
Grimm, U; Knapp, A; Reddemann, H; Schlenzka, K; Schmitz, KW; Schmitz, W; Schulz, M; Smetan, M	1
Lejeune, J	1
Tu, JB; Zellweger, H	1
Attal, C; Boisse, J; Charpentier, C; Lévy, H; Mozziconacci, P	1
Pare, CM	1
Colombo, JP; Gloor, RD; Rossi, E; Vassella, F	1
Chiancone, FM	2
Nance, WE; Paulson, GW; Son, CD	1
Colombini, C; Ebadi, M; McCoy, EE	1
Kontsevaia, NG; Ritsner, MS	1
Marsh, RW	1
Kniazev, IuA; Vakhrusheva, LL	1
Scrimshaw, NS; Tontisirin, K; Young, VR	1
Airaksinen, EM; Airaksinen, MM	1
Airaksinen, EM	2
Airaksinen, EM; Airaksinen, MM; Pentikäinen, P	1
Koch, R; Rosenfeld, MJ; Shaw, KN; Weise, P	1

Reviews

2 review(s) available for tryptophan and Down Syndrome

Article	Year
Serotonin and brain development. International review of neurobiology, 2004, Volume: 59 Topics: Animals; Anxiety; Autistic Disorder; Brain; Brain Chemistry; Down Syndrome; Humans; Learning; Models, Animal; Mood Disorders; Neuronal Plasticity; Receptors, Serotonin; Schizophrenia; Serotonin; Stress, Physiological; Synapses; Tryptophan	2004
[Metabolism of tryptophan and its significance in pathology of childhood]. Pediatriia, 1972, Volume: 51, Issue:2 Topics: Child, Preschool; Cushing Syndrome; Diabetes Mellitus, Type 1; Down Syndrome; Female; Hartnup Disease; Hodgkin Disease; Humans; Infant; Pediatrics; Phenylketonurias; Tryptophan; Vitamin B 6 Deficiency	1972

Trials

2 trial(s) available for tryptophan and Down Syndrome

Article	Year
Tryptophan treatment of infants with Down's syndrome. Annals of clinical research, 1974, Volume: 6, Issue:1 Topics: Age Factors; Blood Cell Count; Blood Platelets; Child, Preschool; Down Syndrome; Electroencephalography; Female; Follow-Up Studies; Humans; Indoles; Infant; Infant, Newborn; Male; Muscle Tonus; Serotonin; Spectrometry, Fluorescence; Stimulation, Chemical; Time Factors; Tryptophan	1974
Platelet-rich plasma 5-hydroxytryptamine, urinary 5-hydroxyindoleacetic acid and tryptophan ingestion in mongols. Journal of mental deficiency research, 1971, Volume: 15 Pt 4, Issue:0 Topics: Adolescent; Adult; Blood Platelets; Blood Specimen Collection; Child; Child, Preschool; Chromosome Aberrations; Down Syndrome; Female; Humans; Hydroxyindoleacetic Acid; Male; Pyridoxine; Serotonin; Trisomy; Tryptophan	1971

Article

Year

Tryptophan treatment of infants with Down's syndrome.

Annals of clinical research, 1974, Volume: 6, Issue:1

Topics: Age Factors; Blood Cell Count; Blood Platelets; Child, Preschool; Down Syndrome; Electroencephalography; Female; Follow-Up Studies; Humans; Indoles; Infant; Infant, Newborn; Male; Muscle Tonus; Serotonin; Spectrometry, Fluorescence; Stimulation, Chemical; Time Factors; Tryptophan

1974

Platelet-rich plasma 5-hydroxytryptamine, urinary 5-hydroxyindoleacetic acid and tryptophan ingestion in mongols.

Journal of mental deficiency research, 1971, Volume: 15 Pt 4, Issue:0

Topics: Adolescent; Adult; Blood Platelets; Blood Specimen Collection; Child; Child, Preschool; Chromosome Aberrations; Down Syndrome; Female; Humans; Hydroxyindoleacetic Acid; Male; Pyridoxine; Serotonin; Trisomy; Tryptophan

1971

Other Studies

28 other study(ies) available for tryptophan and Down Syndrome

Article	Year
Melatonin and elimination of kynurenines in children with Down's syndrome. Journal of pediatric endocrinology & metabolism : JPEM, 2010, Volume: 23, Issue:3 Topics: Child; Child, Preschool; Circadian Rhythm; Down Syndrome; Female; Humans; Kynurenic Acid; Kynurenine; Male; Melatonin; ortho-Aminobenzoates; Oxidative Stress; Serotonin; Tryptophan	2010
[Study of the urinary excretion of some tryptophan metabolites in mongoloid children]. Comptes rendus hebdomadaires des seances de l'Academie des sciences, 1960, Jul-18, Volume: 251 Topics: Asian People; Body Fluids; Child; Down Syndrome; Humans; Tryptophan	1960
[Changes in tryptophan metabolism in phenylketonuria, hypsarrhythmia, mongolism and various infantile brain diseases]. Minerva pediatrica, 1962, Dec-15, Volume: 14 Topics: Brain Diseases; Down Syndrome; Humans; Phenylketonurias; Spasms, Infantile; Tryptophan	1962
THE EXCRETION OF TRYPTOPHAN METABOLITES FOLLOWING DEOXYPYRIDOXINE ADMINISTRATION IN MONGOLOID AND NONMONGOLOID PATIENTS. The Journal of pediatrics, 1964, Volume: 64 Topics: Child; Down Syndrome; Humans; Kynurenine; Metabolism; Tryptophan; Urine; Vitamin B 6 Deficiency; Xanthurenates	1964
[OBSERVATIONS ON THE TOLERANCE TO NEUROLEPTICS IN MENTALLY DEFICIENT CHILDREN IN A SEMI-OPEN MILIEU]. L'Encephale, 1964, Volume: 53 Topics: Antipsychotic Agents; Catecholamines; Child; Down Syndrome; Haloperidol; Humans; Intellectual Disability; Metabolism; Methotrimeprazine; Persons with Mental Disabilities; Phenothiazines; Serotonin; Toxicology; Tranquilizing Agents; Tryptophan	1964
THE EXCRETION OF OXALIC ACID FOLLOWING DEOXYPYRIDOXINE AND TRYPTOPHAN ADMINISTRATION IN MONGOLOID AND NONMONGOLOID SUBJECTS. The Journal of pediatrics, 1964, Volume: 65 Topics: Adolescent; Asian People; Biomedical Research; Child; Down Syndrome; Humans; Metabolism; Oxalates; Oxalic Acid; Tryptophan; Urine; Vitamin B 6 Deficiency; Xanthurenates	1964
BLOOD-SEROTONIN ACTIVITY IN TRISOMIC AND TRANSLOCATION DOWN'S SYNDROME. Lancet (London, England), 1965, Jun-05, Volume: 1, Issue:7397 Topics: Amino Acids; Blood Chemical Analysis; Down Syndrome; Humans; Serotonin; Translocation, Genetic; Trisomy; Tryptophan	1965
The abnormality of tryptophane metabolism in children with mongolism. Archives of disease in childhood, 1962, Volume: 37 Topics: Child; Down Syndrome; Humans; Tryptophan	1962
Serum total tryptophan and free tryptophan concentration in Down's syndrome its relation to serum serotonin concentration. Fukushima journal of medical science, 1980, Volume: 27, Issue:1-2 Topics: Adolescent; Adult; Age Factors; Brain; Child; Child, Preschool; Down Syndrome; Female; Humans; Infant; Male; Serotonin; Tryptophan	1980
[Letter: "Basis therapy" and especially "cell therapy" in Down's syndrome]. Monatsschrift fur Kinderheilkunde, 1975, Volume: 123, Issue:9 Topics: Brain; Cell- and Tissue-Based Therapy; Child; Down Syndrome; Humans; Pyridoxine; Taurine; Tryptophan; Vitamins	1975
[Letter: Comment on cell therapy in children with special reference to pediatric-metabolic problems]. Monatsschrift fur Kinderheilkunde, 1975, Volume: 123, Issue:9 Topics: Cell- and Tissue-Based Therapy; Child; Down Syndrome; Humans; Pyridoxine; Taurine; Tryptophan	1975
[Tryptophan metabolism and oligophrenia (author's transl)]. Fortschritte der Neurologie, Psychiatrie, und ihrer Grenzgebiete, 1978, Volume: 46, Issue:4 Topics: Amino Acid Metabolism, Inborn Errors; Down Syndrome; Epilepsy; Hartnup Disease; Humans; Intellectual Disability; Kynurenine; Pyridoxine; Tryptophan; Xanthurenates	1978
[Biochemical investigations and trisomy 21 (author's transl)]. Annales de genetique, 1979, Volume: 22, Issue:2 Topics: Down Syndrome; Folic Acid; Glyoxylates; Humans; Hydrogen Peroxide; Intellectual Disability; Oxalates; Superoxides; Thiamine; Tryptophan	1979
Editorial: Tryptophan and serotonin in Down syndrome. Lancet (London, England), 1974, Dec-28, Volume: 2, Issue:7896 Topics: Blood Platelets; Carboxy-Lyases; Down Syndrome; Humans; Infant; Infant, Newborn; Monoamine Oxidase; Serotonin; Synaptic Transmission; Tryptophan; Tryptophan Hydroxylase	1974
Blood-serotonin deficiency in Down's syndrome. Lancet (London, England), 1965, Oct-09, Volume: 2, Issue:7415 Topics: Adolescent; Blood; Brain; Child; Down Syndrome; Humans; Penicillamine; Pyridoxine; Serotonin; Tryptophan	1965
[Tryptophan tolerance test in children]. Annales de pediatrie, 1964, Mar-02, Volume: 11, Issue:3 Topics: Adolescent; Child; Child, Preschool; Down Syndrome; Hartnup Disease; Humans; Infant; Metabolism, Inborn Errors; Phenylketonurias; Seizures; Tryptophan; Vitamin B Deficiency	1964
5-hydroxyindoles in phenylketonuric and nonphenylketonuric mental defectives. Advances in pharmacology, 1968, Volume: 6, Issue:Pt B Topics: 5-Hydroxytryptophan; Animals; Biological Transport; Carboxy-Lyases; Child; Down Syndrome; Humans; Hydroxyindoleacetic Acid; Indoles; Intellectual Disability; Phenylketonurias; Rats; Serotonin; Tryptophan	1968
[Studies on the L-tryptophan metabolism in children with Down's syndrome]. Helvetica paediatrica acta, 1968, Volume: 23, Issue:4 Topics: Child; Child, Preschool; Chromatography; Down Syndrome; Female; Humans; Infant; Kynurenine; Male; Mosaicism; Spectrophotometry; Trisomy; Tryptophan; Xanthurenates	1968
[Tryptophan-nicotinic acid metabolism in psychiatric diseases]. Acta vitaminologica et enzymologica, 1968, Volume: 22, Issue:3 Topics: Adult; Child; Child, Preschool; Chromatography; Down Syndrome; Female; Humans; Intellectual Disability; Male; Nicotinic Acids; Schizophrenia; Sex Factors; Tryptophan	1968
Neurologic aspects of typical and atypical Down's syndrome. Diseases of the nervous system, 1969, Volume: 30, Issue:9 Topics: Cataract; Chromosome Aberrations; Down Syndrome; Gait; Humans; Hydroxyindoleacetic Acid; Intelligence; Mosaicism; Neurologic Manifestations; Seizures; Speech Disorders; Strabismus; Trisomy; Tryptophan; Uric Acid	1969
The metabolism of vitamin B6 in Down's syndrome. Annals of the New York Academy of Sciences, 1969, Sep-30, Volume: 166, Issue:1 Topics: Adolescent; Down Syndrome; Humans; Kynurenine; Male; Oxalates; Pyridoxine; Taurine; Tryptophan; Xanthurenates	1969
[Indices of tyrosine and tryptophan metabolism in children with Down's disease]. Pediatriia, 1972, Volume: 51, Issue:3 Topics: Adolescent; Biotransformation; Child; Down Syndrome; Female; Humans; Male; Tryptophan; Tyrosine	1972
The feasibility of treating Down's disease with a reduced phenylalanine diet. The New Zealand medical journal, 1971, Volume: 74, Issue:471 Topics: Diet Therapy; Down Syndrome; Humans; Infant, Newborn; Phenylalanine; Phenylketonurias; Tryptophan	1971
Plasma tryptophan response curve and tryptophan requirements of children with Down's syndrome. The American journal of clinical nutrition, 1972, Volume: 25, Issue:10 Topics: Amino Acids; Body Height; Body Weight; Calcium, Dietary; Child; Diet; Dietary Proteins; Dose-Response Relationship, Drug; Down Syndrome; Egg Proteins; Fasting; Humans; Male; Nitrogen; Nutritional Physiological Phenomena; Nutritional Requirements; Tryptophan	1972
[Functional exploration at various levels of the tryptophan--nicotinic acid metabolic line]. Acta vitaminologica et enzymologica, 1972, Volume: 26, Issue:3 Topics: Diabetes Mellitus; Down Syndrome; Female; Humans; Hydroxyindoleacetic Acid; Hydroxylation; Kynurenine; Male; Nicotinic Acids; ortho-Aminobenzoates; Oxidation-Reduction; Pregnancy; Serotonin; Tryptophan; Vitamin B 6 Deficiency	1972
The binding of tryptophan to plasma proteins and the rate of the inactivation of 5HT released from platelets in Down's syndrome. Annals of clinical research, 1972, Volume: 4, Issue:6 Topics: Adolescent; Adult; Binding Sites; Blood Platelets; Blood Protein Electrophoresis; Blood Proteins; Carbon Isotopes; Down Syndrome; Female; Humans; Intellectual Disability; Male; Middle Aged; Protein Binding; Serotonin; Serum Albumin; Serum Globulins; Spectrophotometry; Tetrabenazine; Time Factors; Tryptophan	1972
Fate of 14C-labelled tryptophan and 5-hydroxytryptophan in Down's syndrome. Annals of clinical research, 1973, Volume: 5, Issue:6 Topics: 5-Hydroxytryptophan; Administration, Oral; Adolescent; Adult; Autoradiography; Blood Platelets; Carbon Radioisotopes; Child; Chromatography, Paper; Down Syndrome; Erythrocytes; Feces; Female; Humans; Intellectual Disability; Intelligence Tests; Male; Tryptophan	1973
The use of 5-HTP in the treatment of Down's syndrome. Pediatrics, 1974, Volume: 54, Issue:2 Topics: 5-Hydroxytryptophan; Administration, Oral; Age Factors; Child Development; Child, Preschool; Chromatography; Down Syndrome; Female; Humans; Hydroxyindoleacetic Acid; Infant; Intelligence Tests; Male; Tryptophan	1974