[Tryptophan-load in progressive scleroderma (author's transl)]. 1976

H W Kreysel, and K Meyerhoff, and J Kimmig

This presentation describes effects of oral tryptophan loading (5.0 g DL) on tryptophan metabolism in healthy subjects (n = 10) and persons with progressive scleroderma. N1-methylnicotinamide (N1MN), 3-hydroxyanthranilic acid (3 HAA), kynurine (KN), tryptamin (TA), xantheurenic acid (XA) were determinated. Alterations of tryptophan metabolism were evaluated by 24 h urinary excretions of the following metabolites: 5-hydroxy indolacetic acid (5 HAA) and indole-3-acetic acid (IAA). The pathological pathways were discussed, especially the way and influence of serotonine.

UI MeSH Term Description Entries
D007210 Indoleacetic Acids Acetic acid derivatives of the heterocyclic compound indole. (Merck Index, 11th ed) Auxin,Auxins,Indolylacetic Acids,Acids, Indoleacetic,Acids, Indolylacetic
D007737 Kynurenine A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.
D008297 Male Males
D009536 Niacinamide An important compound functioning as a component of the coenzyme NAD. Its primary significance is in the prevention and/or cure of blacktongue and PELLAGRA. Most animals cannot manufacture this compound in amounts sufficient to prevent nutritional deficiency and it therefore must be supplemented through dietary intake. Nicotinamide,Vitamin B 3,Vitamin PP,3-Pyridinecarboxamide,Enduramide,Nicobion,Nicotinsäureamid Jenapharm,Papulex,Vitamin B3,3 Pyridinecarboxamide,B 3, Vitamin,B3, Vitamin,Jenapharm, Nicotinsäureamid
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006897 Hydroxyindoleacetic Acid 5-HIAA,5-Hydroxy-3-Indoleacetic Acid,5-Hydroxyindolamine Acetic Acid,5 Hydroxy 3 Indoleacetic Acid,5 Hydroxyindolamine Acetic Acid,Acetic Acid, 5-Hydroxyindolamine,Acid, 5-Hydroxy-3-Indoleacetic,Acid, 5-Hydroxyindolamine Acetic,Acid, Hydroxyindoleacetic
D012595 Scleroderma, Systemic A chronic multi-system disorder of CONNECTIVE TISSUE. It is characterized by SCLEROSIS in the SKIN, the LUNGS, the HEART, the GASTROINTESTINAL TRACT, the KIDNEYS, and the MUSCULOSKELETAL SYSTEM. Other important features include diseased small BLOOD VESSELS and AUTOANTIBODIES. The disorder is named for its most prominent feature (hard skin), and classified into subsets by the extent of skin thickening: LIMITED SCLERODERMA and DIFFUSE SCLERODERMA. Sclerosis, Systemic,Systemic Scleroderma,Systemic Sclerosis
D012701 Serotonin A biochemical messenger and regulator, synthesized from the essential amino acid L-TRYPTOPHAN. In humans it is found primarily in the central nervous system, gastrointestinal tract, and blood platelets. Serotonin mediates several important physiological functions including neurotransmission, gastrointestinal motility, hemostasis, and cardiovascular integrity. Multiple receptor families (RECEPTORS, SEROTONIN) explain the broad physiological actions and distribution of this biochemical mediator. 5-HT,5-Hydroxytryptamine,3-(2-Aminoethyl)-1H-indol-5-ol,Enteramine,Hippophaine,Hydroxytryptamine,5 Hydroxytryptamine
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.

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