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11 results
  1. NLM Digital Collections - Review of intramural research (1960) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    ... aromatic L-amino acids including 3,4-dihydroxyphenylalanine, 5- hydroxytryptophan, tryptophan, tyrosine, phe- nylalanine, histidine and kynurenine. Substrate- ...
  2. NLM Digital Collections - Review of intramural research (1962) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    ... such as a-methyl-dopa and a-methyl 5-hydroxytryptophan, are excellent in- hibitors of the decarboxylation of ... ipatient wtih metastatic gastric carcinoid with excretion of 5-hydroxytryptophan and large amounts of histamine in the urine. ...
  3. NLM Digital Collections - Review of intramural research (1965) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    ... serotonin is the hydroxylation of tryptophan to form 5-hydroxytryptophan. A tryptophan hydroxy- lase has been partially purified ... The conversion of tritiated precursors such as tryptophan, 5-hydroxytryptophan, N- methylserotonin and bufotenine in the toad (Bufo ...
  4. NLM Digital Collections - Compliance policy for certain compounding of oral oxitriptan (5-HTP) drug products for ... 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, July 2019
    5-Hydroxytryptophan -- therapeutic use ... and Drug Administration. United States. Drug Compounding -- standards 5-Hydroxytryptophan -- therapeutic use Phenylketonurias -- drug therapy Guideline Adherence Humans ...
  5. ... methy] transferase, the melatonin-synthesizing enzyme, 1+ and 5-hydroxytryptophan decarboxylase in the pineal gland are affected by ... gland. Constant light exposure elevates the activity of 5-hydroxytryptophan decarboxylase, the ser- otonin-forming enzyme, in the ...
  6. NLM Digital Collections - Review of intramural research (1966) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    ... pathway to dehydrobufotenine consists of decarboxyla- [ tion of 5-hydroxytryptophan to serotonin,} followed by consecutive N-methylations to ...
  7. ... of serotonin is the hydroxylation of tryptophan to 5-hydroxytryptophan, catalyzed by the enzyme tryptophan hydroxylase, and, since ...
  8. ... been found among various species for the enzyme 5—hydroxytryptophan decarboxylase. The enzyme investigated has been found identical ...
  9. NLM Digital Collections - Tryptophanless Death in Bacillus subtilis 
    Publication: American Society for Microbiology, 1970
    ... O. Ciferri. 1970. Incorporation of 5-methyl- and 5-hydroxytryptophan into protein of Bacillus subtilis. J. Bacteriol. 101: ...
  10. NLM Digital Collections - Metabolism of Epinephrine and Other Sympathomimetic Amines 
    Publication: American Physiological Society (1887- ), 1959
    ... tryptophan in the body (154). Although tryptophan and 5-hydroxytryptophan form serotonin in man, tryptamine does not (152), ...
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