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Open access

Research article

First published 2016

Assessment of the Human Kynurenine Pathway: Comparisons and Clinical Implications of Ethnic and Gender Differences in Plasma Tryptophan,Kynurenine Metabolites,and Enzyme Expressions at Baseline and after Acute Tryptophan Loading and Depletion

Abdulla A.-B. Badawy, Donald M. Dougherty

International Journal of Tryptophan Research

Retricted access

Research article

First published 1967-4

Effects of Loading with Tryptophan Metabolites on Metabolism of DL-Tryptophan-7a-C 11 in Rats. ∗

L. Y. Hankes, R. R. Brown, M. Schmaeler

Experimental Biology and Medicine

Retricted access

Other

First published 1983-8

Regulation of cerebral kynurenine and 5-hydroxyindole pathways during tryptophan loading

Victor Rizza, Ennio Bousquet, Franco Guerrera [...]

Cephalalgia

Open access

Research article

First published 2010

Specificity of the Acute Tryptophan and Tyrosine plus Phenylalanine Depletion and Loading Tests Part II: Normalisation of the Tryptophan and the Tyrosine Plus Phenylalanine to Competing Amino Acid Ratios in a New Control Formulation

Abdulla A.-B. Badawy, Donald M. Dougherty, Dawn M. Richard

International Journal of Tryptophan Research

Open access

Research article

First published 2010

Specificity of the Acute Tryptophan and Tyrosine plus Phenylalanine Depletion and Loading Tests I. Review of Biochemical Aspects and Poor Specificity of Current Amino Acid Formulations

Abdulla A.-B. Badawy, Donald M. Dougherty, Dawn M. Richard

International Journal of Tryptophan Research

Retricted access

Research article

First published 1966-11

Is the Tryptophan Load Test a Valid Index for a Chemically-Induced Vitamin B 6 Deficiency?

L. Kang, John P. Da Vanzo

Experimental Biology and Medicine

Open access

Research article

First published 2013

Effects of Tranilast on the Urinary Excretion of Kynurenic and Quinolinic Acid under Conditions of L Tryptophan Loading

Rowland R. Noakes

International Journal of Tryptophan Research

Retricted access

Research article

First published 2001-07

Effects of tryptophan loading on verbal,spatial and affective working memory functions in healthy adults

Monica Luciana, E. Darcy Burgund, Margit Berman [...]

Journal of Psychopharmacology

Free access

Research article

First published 1995-03

Tryptophan Loading Modulates Light-Induced Responses in the Mammalian Circadian System

J.D. Glass, M. Selim, G. Srkalovic [...]

Journal of Biological Rhythms

Retricted access

Research article

First published 2015-4

Standardization of formulations for the acute amino acid depletion and loading tests

Abdulla A-B Badawy, Donald M Dougherty

Journal of Psychopharmacology

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