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International Journal of Tryptophan Research

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Editor in Chief: Gilles Guillemin

Aims & Scope: The International Journal of Tryptophan Research is an international, open access, peer reviewed jo... more

Indexing: Pubmed, CAB Abstracts, CABI Global Health, Chemical Abstracts Service, Chinese Electronic Periodical Service, Directory of Open Access Journals, EBSCO Academic Search Complete, Gale Academic OneFile, Gale Health Reference Centre, Gale InfoTrac Custom Journals, Index Copernicus, OAlster, ProQuest Health & Medical Complete, Pubmed Central, SCOPUS, Socolar

Directories: Academic Journals Database, EBSCO A-Z, HINARI, JournalSeek, JournalTOCs, OAJSE, ScientificCommons, Scirus, Ulrich's Periodicals

Processing Speed: Editorial decision less than 3 weeks, publication in average 3 weeks after acceptance

ISSN: 1178-6469



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Characterization of the Kynurenine Pathway and Quinolinic Acid Production in Macaque Macrophages (311 Views since 15 May 2013)

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Transport of Kynurenic Acid by Rat Organic Anion Transporters rOAT1 and rOAT3: Species Difference between Human and Rat in OAT1 (923 Views since 17 Feb 2013)

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Kynurenic Acid Metabolism in Various Types of Brain Pathology in HIV-1 Infected Patients (1363 Views since 13 Dec 2012)

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Fate of Dietary Tryptophan in Young Japanese Women (1746 Views since 30 Oct 2012)

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A Brief Historic Overview of Clinical Disorders Associated with Tryptophan: The Relevance to Chronic Fatigue Syndrome (CFS) and Fibromyalgia (FM) (3498 Views since 17 Sep 2012)

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Kynurenine Pathway in Skin Cells: Implications for UV-Induced Skin Damage (2674 Views since 03 Jul 2012)

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A Jerte Valley Cherry-Based Product as a Supply of Tryptophan (2638 Views since 16 Apr 2012)

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Quinolinic Acid, an Endogenous Molecule Combining Excitotoxicity, Oxidative Stress and Other Toxic Mechanisms (3178 Views since 23 Feb 2012)

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Stochastic Resonance Activity Influences Serum Tryptophan Metabolism in Healthy Human Subjects (3605 Views since 08 Nov 2011)

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Kynurenine Pathway Hypothesis: The Nature of the Chronic Fatigue Syndrome (CFS) Revisited (3603 Views since 31 Jul 2011)

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L-Tryptophan Production by Auxotrophic and Analogue Resistant Mutants of Aureobacterium flavescens (4009 Views since 29 May 2011)

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Effects of Kynurenine Pathway Inhibition on NAD+ Metabolism and Cell Viability in Human Primary Astrocytes and Neurons (5479 Views since 08 May 2011)

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Tryptophan Transport in Human Fibroblast Cells— A Functional Characterization (4912 Views since 19 Apr 2011)

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Modulation of Tryptophan Metabolism, Promotion of Neurogenesis and Alteration of Anxiety-Related Behavior in Tryptophan 2,3-Dioxygenase-Deficient Mice (3939 Views since 11 Apr 2011)

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Tryptophan Oxidative Metabolism Catalyzed by Geobacillus Stearothermophilus: A Thermophile Isolated from Kuwait Soil Contaminated with Petroleum Hydrocarbons (5199 Views since 10 Jan 2011)

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Rapid Isocratic Liquid Chromatographic Separation and Quantification of Tryptophan and Six kynurenine Metabolites in Biological Samples with Ultraviolet and Fluorimetric Detection (4404 Views since 08 Dec 2010)

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Alzheimer’s and Seizures: Interleukin-18, Indoleamine 2,3-Dioxygenase and Quinolinic Acid (4274 Views since 15 Oct 2010)

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Understanding the Roles of the Kynurenine Pathway in Multiple Sclerosis Progression (5099 Views since 25 Aug 2010)

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Kynurenine Pathway Metabolism is Involved in the Maintenance of the Intracellular NAD+ Concentration in Human Primary Astrocytes (5023 Views since 03 Aug 2010)

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Implication of Tryptophan 2,3-Dioxygenase and its Novel Variants in the Hippocampus and Cerebellum During the Developing and Adult Brain (4371 Views since 23 Jul 2010)

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Tryptophan, Neurodegeneration and HIV-Associated Neurocognitive Disorder (5120 Views since 10 Jun 2010)

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IDO-Mediated Tryptophan Degradation in the Pathogenesis of Malignant Tumor Disease (5093 Views since 10 Jun 2010)

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Effects of Acute Tryptophan Depletion on Three Different Types of Behavioral Impulsivity (4711 Views since 10 Jun 2010)

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Proteasomal Degradation of Indoleamine 2,3-Dioxygenase  in CD8+ Dendritic Cells is Mediated by Suppressor of Cytokine Signaling 3 (SOCS3) (4871 Views since 10 Jun 2010)

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Indoleamine 2,3-Dioxygenase in Human Hematopoietic Stem Cell Transplantation (4526 Views since 10 Jun 2010)

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Serum Levels of Tryptophan, 5-Hydroxytryptophan and Serotonin in Patients Affected with Different Forms of Amenorrhea (5282 Views since 10 Jun 2010)

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Accelerated Tryptophan Degradation Predicts Poor Survival in Trauma and Sepsis Patients (3994 Views since 10 Jun 2010)

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On the Biological Importance of the 3-hydroxyanthranilic Acid: Anthranilic Acid Ratio (4906 Views since 10 Jun 2010)

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Editorial ISTRY Special Issue (3750 Views since 10 Jun 2010)

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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 (3779 Views since 09 Jun 2010)

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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 (4482 Views since 02 Jun 2010)

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Endogenous Kynurenine Aminotransferases Inhibitor is Proposed to Act as “Glia Depressing Factor” (GDF) (4789 Views since 11 May 2010)

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Role of the NMDA-receptor in Prepulse Inhibition in the Rat (5077 Views since 12 Feb 2010)

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The Physiological Action of Picolinic Acid in the Human Brain (10343 Views since 28 Apr 2009)

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Effects of Kynurenine Pathway Metabolites on Intracellular NAD+ Synthesis and Cell Death in Human Primary Astrocytes and Neurons (7256 Views since 03 Apr 2009)

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Production and Peripheral Roles of 5-HTP, a Precursor of Serotonin (7568 Views since 30 Mar 2009)

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L -Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications (12633 Views since 23 Mar 2009)

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Dedication: Paolo Guidetti (5298 Views since 16 Feb 2009)

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Assessment of the Potential Role of Tryptophan as the Precursor of Serotonin and Melatonin for the Aged Sleep-wake Cycle and Immune Function: Streptopelia Risoria as a Model (7162 Views since 14 Jan 2009)

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Kynurenine Pathway Metabolites in Humans: Disease and Healthy States (15734 Views since 08 Jan 2009)

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Tryptophan Research in Panic Disorder (8068 Views since 14 Aug 2008)

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Introductory Editorial (International Journal of Tryptophan Research) (5777 Views since 09 Apr 2008)

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What Your Colleagues Say About International Journal of Tryptophan Research
This is my second publication in Int J Tryptophan Res and my experience on this occasion was as great and enjoyable as with my first paper immediately preceding this one.  I commend the Editors and the Editorial Staff of this new and exciting journal for their professionalism and dedication to science and scientific publishing.
Professor Abdulla Badawy (University of Wales Institute Cardiff, Wales, UK)
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