Evidence map›Paper›PMID 26004930›Full record

ArticleExpert review of neurotherapeutics2015

What is the tryptophan kynurenine pathway and why is it important to neurotherapeutics?

Ian Davis, Aimin Liu

Abstract readEditorial
In one paragraph

Article in Expert review of neurotherapeutics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
105citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

105 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Effect of hormone therapy on tryptophan metabolism and atherosclerosis among postmenopausal women.Climacteric : the journal of the International Menopause Society · 2025
    Trial
  4. Trial
  5. Trial
  6. Review
  7. Review
  8. Metabolic Brain Disorders: Prodromes, Symptoms, and Syndromes.International journal of molecular sciences · 2026
    Review
  9. Review
  10. Review
  11. Article
  12. Degradation of the Molecular Basis of Life During the Aging Process.International journal of molecular sciences · 2026
    Review
  13. Metabolomics of HIV in the Modern cART Era.Advances in experimental medicine and biology · 2026
    Review
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

45 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Ian DavisDepartment of Chemistry, Atlanta, GA 30303, USA.
Aimin Liu

Funding

Heme-dependent chemistry in tyrosine oxidation: Diversity Supplement on 5R01GM108988-08 for supporting Samuel MontoyaR01GM108988 · NIGMS · UNIVERSITY OF TEXAS SAN ANTONIO · PI LIU, AIMIN · 2014 to 2025
$4.2M
NF-kappaB Regulation by Human PirinR01GM107529 · NIGMS · UNIVERSITY OF TEXAS SAN ANTONIO · PI LI, JIAN-DONG, LIU, AIMIN · 2014 to 2017
$1.0M
NIGMS NIH HHS GM107529NIGMS NIH HHS GM108988NIGMS NIH HHS R01 GM107529NIGMS NIH HHS R01 GM108988
6 · The paper itself

Abstract

The kynurenine pathway has received increasing attention as its connection to inflammation, the immune system and neurological conditions has become more apparent. It is the primary route for tryptophan catabolism in the liver and the starting point for the synthesis of nicotinamide adenine dinucleotide in mammals. Dysregulation or overactivation of this pathway can lead to immune system activation and accumulation of potentially neurotoxic compounds. These aspects make the kynurenine pathway a promising target for therapeutic development to treat inflammation and disease with neurological aspects, especially in cancer patients undergoing chemotherapy.

Indexed as

AnimalsHumansKynurenineNervous System DiseasesSignal TransductionTryptophanKynurenineTryptophanexcitotoxicityinflammationmelatoninquinolinic acidserotonin

Identifiers

PMID26004930
PMCPMC4482796

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.