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First published 2010-6

Plasma free tryptophan revisited: what you need to know and do before measuring it

AA-B Badawy

Journal of Psychopharmacology

Open access

Research article

First published 2014

Mechanisms of the Pellagragenic Effect of Leucine: Stimulation of Hepatic Tryptophan Oxidation by Administration of Branched-Chain Amino Acids to Healthy Human Volunteers and the Role of Plasma Free Tryptophan and Total Kynurenines

Abdulla A-B Badawy, Sarah L. Lake, Donald M. Dougherty

International Journal of Tryptophan Research

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Research article

First published 1992-11

The Early Cancer Anorexia Paradigm: Changes in Plasma Free Tryptophan and Feeding Indexes

Michael M. Meguid, Maurizio Muscaritoli, J. Lee Beverly [...]

Journal of Parenteral and Enteral Nutrition

Free access

Research article

First published 1987-12

Reduction of Cerebral Blood Flow in Subclinical Hepatic Encephalopathy and its Correlation with Plasma-Free Tryptophan

Guido Rodriguez, Roberto Testa, Guido Celle [...]

Journal of Cerebral Blood Flow & Metabolism

Open access

Review article

First published 2019

The Plasma [Kynurenine]/[Tryptophan] Ratio and Indoleamine 2,3-Dioxygenase: Time for Appraisal

Abdulla A-B Badawy, Gilles Guillemin

International Journal of Tryptophan Research

Retricted access

Research article

First published 1967-1

The “Free” and “Buried' Tryptophan and Tyrosine Residues of Human Plasma α 1 -Acid Glycoprotein. ∗

K. Yamagami, K. Schmid

Experimental Biology and Medicine

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Research article

First published 1977-12

Effect of Insulin on Human Plasma Tryptophan and Nonesterified Fatty Acids

P. Manowitz, M. Menna-Perper, P. S. Mueller [...]

Experimental Biology and Medicine

Open access

Research article

First published 2018

Modulation of Tryptophan and Serotonin Metabolism as a Biochemical Basis of the Behavioral Effects of Use and Withdrawal of Androgenic-Anabolic Steroids and Other Image- and Performance-Enhancing Agents

Abdulla A-B Badawy

International Journal of Tryptophan Research

Free access

Research article

First published 2020-1

Use of selective serotonin reuptake inhibitors is associated with very low plasma-free serotonin concentrations in humans

Marloes AM Peters, Martijn van Faassen, Wilhelmina HA de Jong [...]

Annals of Clinical Biochemistry: International Journal of Laboratory Medicine

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Research article

First published 2002-01

Effects of rapid tryptophan depletion on salivary and plasma cortisol in Alzheimer's disease and the healthy elderly

Richard J. Porter, Elizabeth F. Marshall, John T. O'Brien

Journal of Psychopharmacology

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