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Open access

Review article

First published 2019

Microorganisms,Tryptophan Metabolism,and Kynurenine Pathway: A Complex Interconnected Loop Influencing Human Health Status

Mona Dehhaghi, Hamed Kazemi Shariat Panahi, Gilles J Guillemin

International Journal of Tryptophan Research

Retricted access

Research article

First published 2009-05

Kynurenine pathway in psychosis: evidence of increased tryptophan degradation

S Barry, G Clarke, P Scully [...]

Journal of Psychopharmacology

Open access

Review article

First published 2024

A Review of the Evidence for Tryptophan and the Kynurenine Pathway as a Regulator of Stem Cell Niches in Health and Disease

Benjamin Sebastian Summers, Sarah Thomas Broome, Tsz Wai Rosita Pang [...]

International Journal of Tryptophan Research

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

Review article

First published 2017

Kynurenine Pathway of Tryptophan Metabolism: Regulatory and Functional Aspects

Abdulla A-B Badawy

International Journal of Tryptophan Research

Free access

Research article

First published 2010-3

Excessive Tryptophan Catabolism Along the Kynurenine Pathway Precedes Ongoing Sepsis in Critically Ill Patients

J.-P. Zeden, G. Fusch, B. Holtfreter [...]

Anaesthesia and Intensive Care

Open access

Research article

First published 2016

Tryptophan PET Imaging of the Kynurenine Pathway in Patient-Derived Xenograft Models of Glioblastoma

Anthony R. Guastella, Sharon K. Michelhaugh, Neil V. Klinger [...]

Molecular Imaging

Open access

Research article

First published 2026

Altered Tryptophan–Kynurenine Pathway and Low-Grade Inflammation in Metabolic Dysfunction–Associated Steatotic Liver Disease (MASLD): Insights from LC–MS/MS–Based Metabolite Profiling

Kübranur Ünal, Leyla İbrahimkhanlı, Mehmet Emre Erol [...]

International Journal of Tryptophan Research

Retricted access

Review article

First published 2022-08-16

The Tryptophan Catabolite or Kynurenine Pathway in Alzheimer’s Disease: A Systematic Review and Meta-Analysis

Abbas F. Almulla, Thitiporn Supasitthumrong, Arisara Amrapala [...]

Journal of Alzheimer’s Disease

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

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