Cited by 630Tryptophan and brain disordersTreatment of Major DepressionStress Responses and Cortisol

The DOI matches its Crossref record; 73 of the 73 references it cites were found in a registry or an index.

CSF concentrations of brain tryptophan and kynurenines during immune stimulation with IFN-α: relationship to CNS immune responses and depression

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Raison, C L, Dantzer, R, Kelley, K W, Lawson, M A, Woolwine, B J, Vogt, G, Spivey, J R, Saito, K, Miller, A H·2010·Molecular Psychiatry

Abstract

Cytokine-induced activation of indoleamine 2,3-dioxygenase (IDO) catabolizes L-tryptophan (TRP) into L-kynurenine (KYN), which is metabolized to quinolinic acid (QUIN) and kynurenic acid (KA). QUIN and KA are neuroactive and may contribute to the behavioral changes experienced by some patients during exposure to inflammatory stimuli such as interferon (IFN)-alpha. A relationship between depressive symptoms and peripheral blood TRP, KYN and KA during treatment with IFN-alpha has been described. However, whether peripheral blood changes in these IDO catabolites are manifest in the brain and whether they are related to central nervous system cytokine responses and/or behavior is unknown. Accordingly, TRP, KYN, QUIN and KA were measured in cerebrospinal fluid (CSF) and blood along with CSF concentrations of relevant cytokines, chemokines and soluble cytokine receptors in 27 patients with hepatitis C after approximately 12 weeks of either treatment with IFN-alpha (n=16) or no treatment (n=11). Depressive symptoms were assessed using the Montgomery-Asberg Depression Rating Scale. IFN-alpha significantly increased peripheral blood KYN, which was accompanied by marked increases in CSF KYN. Increased CSF KYN was in turn associated with significant increases in CSF QUIN and KA. Despite significant decreases in peripheral blood TRP, IFN-alpha had no effect on CSF TRP concentrations. Increases in CSF KYN and QUIN were correlated with increased CSF IFN-alpha, soluble tumor necrosis factor-alpha receptor 2 and monocyte chemoattractant protein-1 as well as increased depressive symptoms. In conclusion, peripheral administration of IFN-alpha activated IDO in concert with central cytokine responses, resulting in increased brain KYN and QUIN, which correlated with depressive symptoms.

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Metadata

Authors
Raison, C. L., Dantzer, R., Kelley, K. W., Lawson, M. A., Woolwine, B. J., Vogt, G., Spivey, J. R., Saito, K., & Miller, A. H.
Affiliations
  • Emory University (US)
  • University of Illinois Urbana-Champaign (US)
  • Kyoto University (JP)
Corresponding author
Miller, A H
Venue
Molecular Psychiatry
Published
2009-11-17
Volume
15
Issue
4
Pages
393-403
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W1973172818
Cited by
630
References
73
Citations by year
2026: 16 · 2025: 21 · 2024: 35 · 2023: 30 · 2022: 36 · 2021: 45 · 2020: 50 · 2019: 36 · 2018: 48 · 2017: 36 · 2016: 40 · 2015: 57 · 2014: 37 · 2013: 38 · 2012: 49
FWCI
11.01
Type
journal article
Language
en
Open access
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (UL1TR000454)
  • National Institute on Aging (R01AG029573)
  • National Heart, Lung, and Blood Institute (R01HL073921)
  • National Institute of Mental Health (R01MH079829, R01MH083746, R01MH071349, K23MH064619, T32MH020018, R01MH070553, K05MH069124)
  • National Center for Research Resources (UL1RR025008, M01RR000039)
  • National Center for Advancing Translational Sciences
Topics
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Health Sciences › Medicine › Pharmacology (medical) › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
interferon-alpha, kynurenine, quinolinic acid, kynurenic acid, tryptophan metabolism, indoleamine 2,3-dioxygenase, cerebrospinal fluid, depressive symptoms, hepatitis C, MCP-1, neuroinflammation
MeSH terms
Adult, Antiviral Agents, Chromatography, High Pressure Liquid, Depression, Enzyme-Linked Immunosorbent Assay, Female, Hepatitis C, Humans, Kynurenine, Longitudinal Studies, Male, Middle Aged, Ribavirin, Statistics as Topic, Tryptophan, Cytokines, Interferon-alpha, Quinolinic Acid, Chemokine CCL2, Receptors, Tumor Necrosis Factor, Type II

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