Studies on Tryptophan Metabolism in Male Subjects Treated with Progestational Agents

References

• Altman K., Greengard O. Correlation of kynurenine excretion with liver tryptophan pyrrolase levels in disease and after hydro cortisone induction. J. clin. Invest. 1966; 45: 1525
   Web of Science ®Google Scholar
• Braunshtein A. E., Goryochenkova E. V., Paskinaja T. S. Enzymatic formation of alanine from L-kynurenine and L-tryptophan, and the role of vitamin B6 in this process. Biochemistry (Leningr.) 1949; 14: 163
   Google Scholar
• Brown R. R. The isolation and determination of hydroxy-kynurenine. J. biol. Chem. 1957; 227: 649
   PubMed Web of Science ®Google Scholar
• Brown R. R., Price J. M. Quantitative studies on metabolism of tryptophan in the urine of dog, cat, rat and man. J. biol. Chem. 1956; 219: 985
   PubMed Web of Science ®Google Scholar
• Brown R. R., Rose D. P., Price J. M., Wolf H. Tryptophan metabolism as affected by anovulatory agents. Ann. N. Y. Acad. Sci. 1969; 166: 44
   PubMed Web of Science ®Google Scholar
• Brown R. R., Thornton M. J., Price J. M. The effect of vitamin supplementation on the urinary excretion of tryptophan metabolites by pregnant women. J. clin. Invest. 1961; 40: 617
   PubMed Web of Science ®Google Scholar
• Edgren R. A., Jones R. C. A biological classification of progestational agents. Fertil. and Steril. 1967; 18: 238
   PubMed Web of Science ®Google Scholar
• Elton R. L., Edgren R. A. Biological actions of 17α-(2-methallyl)-19-nortestosterone, an oral ly active progestational agent. Endocrinology 1958; 63: 464
   PubMed Web of Science ®Google Scholar
• Hansson O. Effect of 4-deoxypyridoxine on the initial excretion rates of 3-hydroxykynurenine and 3-hydroxyanthranilic acid after tryptophan loading. Acta Soc. Med. upsalien. 1968; 73: 19
   PubMedGoogle Scholar
• Michael A. F., Drummond K. N., Doeden D., Anderson J. A., Good R. A. Trypto phan metabolism in man. J. clin. Invest. 1964; 43: 1730
   PubMed Web of Science ®Google Scholar
• Price J. M., Brown R. R., Ellis M. E. Quantitative studies on the urinary excretion of tryptophan metabolites by humans ingesting a constant diet. J. Nutr. 1956; 60: 323
   PubMed Web of Science ®Google Scholar
• Price J. M., Brown R. R., Larson F. C. Quantitative studies on human urinary meta bolites of tryptophan as affected by isoniazid and deoxypyridoxine. J. clin. Invest. 1957; 36: 1600
   PubMed Web of Science ®Google Scholar
• Price J. M., Brown R. R., Yess N. Testing the functional capacity of the tryptophan -niacin pathway in man by analysis of urinary metabolites. Advanc. Metab. Dis. 1965; 2: 159
   PubMedGoogle Scholar
• Reddy S. K., Reynolds M. S., Price J. M. The determination of 4-pyridoxic acid in human urine. J. biol. Chem. 1958; 233: 691
   PubMed Web of Science ®Google Scholar
• Rose D. P. The influence of oestrogens on tryptophan metabolism in man. Clin. Sci. 1966; 31: 265
   PubMed Web of Science ®Google Scholar
• Rose D. P., Brown R. R., Price J. M. The metabolism of tryptophan to nicotinic acid derivatives by women taking oestrogen-proges togen preparations. Nature 1968; 219: 1259
   PubMed Web of Science ®Google Scholar
• Rose D. P., McGinty F. The influence of adrenocortical hormones and vitamins upon tryptophan metabolism in man. Clin. Sci. 1968; 35: 1
   PubMed Web of Science ®Google Scholar
• Satoh K., Price J. M. Fluorometric deter mination of kynurenic acid and xanthurenic acid in human urine. J. biol. Chem. 1958; 230: 781
   PubMed Web of Science ®Google Scholar
• Sprince H., Lowy R. S., Folsome C. E., Behrman J. S. Studies on the urinary excretion of ‘xanthurenic acid’ during normal and ab normal pregnancy: A survey of the excretion of ‘xanthurenic acid’ in normal non-pregnant, normal pregnant, pre-eclamptic and eclamptic women. Amer. J. Obstet. Gynec. 1951; 62: 84
   PubMed Web of Science ®Google Scholar
• Vandelli I. The use of vitamin B6 (pyridoxine) for suppressing the elimination of xanthurenic acid in pregnant and non-pregnant women following the oral intake of measured quantity of tryptophan. Acta vitamin. (Milano) 1951; 5: 55
   Google Scholar
• Vivian V. M., Reynolds M. S., Price J. M. Use of ion-exchange resins for the determina tion of N1-methylnicotinamide in human urine. Analyt. Biochem. 1965; 10: 274
   PubMed Web of Science ®Google Scholar
• Wachstein M., Gudaitis A. Disturbance of vitamin B6 metabolism in pregnancy. II. The influence of various amounts of pyridoxine hydrochloride upon the abnormal tryptophan load test in pregnant women. J. Lab. clin. Med. 1953; 42: 98
   PubMed Web of Science ®Google Scholar
• Walters C. J., Brown R. R., Kaihara M., Price J. M. The excretion of N-methyl-2-pyri-done-5-carboxamide by man following ingestion of several known or potential precursors. J. biol. Chem. 1955; 217: 489
   PubMed Web of Science ®Google Scholar
• Weber F., Wiss O. Über die unterschiedliche Beeinflussung des Tryptophan-Stoffwechsels durch Vitamin-B6-Mangel in der Ratte. Z. Physiol. Chem 1963; 331: 124
   PubMedGoogle Scholar
• Wertz A. W., Lojkin M. E., Bouchard B. S., Derby M. B. Tryptophan—niacin relation ships in pregnancy. J. Nutr. 1958; 64: 339
   PubMed Web of Science ®Google Scholar
• Wolf H., Brown R. R., Price J. M., Madsen P. O. The effect of hydrocortisone on trypto phan metabolism in human male subjects, In preparation
   Google Scholar
• Wolf H., Brown R. R., Price J. M., Mad sen P. O. The effect of hormones on the bio synthesis of nicotinic acid from tryptophan in man. J. clin. Endocr. Metab. 1970; 30: 38
   Web of Science ®Google Scholar
• Wolf H., Madsen P. O., Price J. M. Studies on the metabolism of tryptophan in patients with benign prostatic hypertrophy or cancer of the prostate. J. Urol. 1968; 100: 537
   PubMed Web of Science ®Google Scholar
• Wolf H., Price J. M., Brown R. R., Madsen P. O. The effect of estrogens on pyridoxal phosphate dependent enzymes in patients with cancer of the prostate. J. Urol, in print
   Google Scholar
• Wolf H., Thornton M. J. Unpublished ob servations
   Google Scholar
• Yess N., Price J. M., Brown R. R., Swan P. B., Linkswiler H. Vitamin B6 depletion in man: urinary excretion of tryptophan meta bolites. J. Nutr. 1964; 84: 229
   PubMed Web of Science ®Google Scholar