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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

Open access

Research article

First published 2022

Identification and Characterization of a Novel Dual Inhibitor of Indoleamine 2,3-dioxygenase 1 and Tryptophan 2,3-dioxygenase

Saeko Yoshioka, Tomonori Ikeda, Sogo Fukuchi [...]

International Journal of Tryptophan Research

Retricted access

Research article

First published 2025

Molecular Insights Into the Interaction of Tryptophan Metabolites With Tryptophan and Indoleamine 2,3-Dioxygenases: Nitric Oxide a New Effector of Tryptophan 2,3-Dioxygenase and Their Roles in Infection

Abdulla A.-B. Badawy, Shazia Dawood

International Journal of Tryptophan Research

Open access

Research article

First published 2019

Induction of tryptophan 2,3-dioxygenase expression in human monocytic leukemia/lymphoma cell lines THP-1 and U937

Delia Hoffmann, Luc Pilotte, Vincent Stroobant [...]

International Journal of Tryptophan Research

Open access

Meeting report

First published 2011

Modulation of Tryptophan Metabolism,Promotion of Neurogenesis and Alteration of Anxiety-Related Behavior in Tryptophan 2,3-Dioxygenase-Deficient Mice

Hiroshi Funakoshi, Masaaki Kanai, Toshikazu Nakamura

International Journal of Tryptophan Research

Open access

Meeting report

First published 2010

Implication of Tryptophan 2,3-Dioxygenase and its Novel Variants in the Hippocampus and Cerebellum during the Developing and Adult Brain

Masaaki Kanai, Hiroshi Funakoshi, Toshikazu Nakamura

International Journal of Tryptophan Research

Open access

Research article

First published 2020

The Effect of Tryptophan 2,3-Dioxygenase Inhibition on Kynurenine Metabolism and Cognitive Function in the APP23 Mouse Model of Alzheimer’s Disease

FJH Sorgdrager, CP van Der Ley, M van Faassen [...]

International Journal of Tryptophan Research

Retricted access

Research article

First published 1988-7

Tryptophan 2,3-Dioxygenase in Chick Embryo Hepatocytes: Studies in Ovo and in Culture

Beth C. Lincoln, Alan Alvarado, Nick Setty [...]

Experimental Biology and Medicine

Open access

Research article

First published 2013

Tryptophan-Restriction Diets Help to Maintain L-Tryptophan Homeostasis in Tryptophan 2,3-Dioxygenase Knockout Mice

Akihiro Maeta, Tsutomu Fukuwatari, Hiroshi Funakoshi [...]

International Journal of Tryptophan Research

Open access

Research article

First published 2017

Investigation of the Tissue Distribution and Physiological Roles of Indoleamine 2,3-Dioxygenase-2

Felicita F Jusof, Supun M Bakmiwewa, Silvia Weiser [...]

International Journal of Tryptophan Research

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