Cited by 595Neuroinflammation and Neurodegeneration MechanismsTryptophan and brain disordersNeuroscience and Neuropharmacology Research

Quinolinic acid, the inescapable neurotoxin

Guillemin, Gilles J.·2012·The FEBS Journal

Abstract

Over the last two decades, evidence for the involvement of quinolinic acid (QUIN) in neuroinflammatory diseases has been exponentially increasing. Within the brain, QUIN is produced and released by infiltrating macrophages and activated microglia, the very cells that are prominent during neuroinflammation. QUIN acts as an agonist of the N‐methyl‐d‐aspartate receptor and as such is considered to be a brain endogenous excitotoxin. Since the discovery of the excitotoxic activity of QUIN in the early 1980s, several other cytotoxic mechanisms have been identified. We know today that QUIN acts as a neurotoxin, gliotoxin, proinflammatory mediator, pro‐oxidant molecule and can alter the integrity and cohesion of the blood–brain barrier. This paper aims to review some of the most recent findings about the effects of QUIN and its mode of action.

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Crossref · 10.1111/j.1742-4658.2012.08485.x

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Authors
Guillemin, G. J.
Affiliations
UNSW Sydney (AU)
Corresponding author
Guillemin, Gilles J.
Venue
The FEBS Journal
Publisher
Wiley
Published
2012-03-27
Volume
279
Issue
8
Pages
1356-1365
ISSN
  • 1742-464X (ISSN-L)
  • 1742-4658
OpenAlex
W1598480899
Cited by
595
References
3
Citations by year
2026: 46 · 2025: 42 · 2024: 75 · 2023: 51 · 2022: 62 · 2021: 52 · 2020: 61 · 2019: 38 · 2018: 26 · 2017: 33 · 2016: 38 · 2015: 27 · 2014: 23 · 2013: 10 · 2012: 10
FWCI
2.09
Type
journal article
Language
en
Open access
closed
Locations
  • FEBS Journal (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
quinolinic acid, neuroinflammation, excitotoxicity, NMDA receptor, microglia, macrophages, gliotoxin, pro-oxidant activity, blood-brain barrier integrity, neurotoxicity, kynurenine pathway
MeSH terms
Animals, Humans, Neurotoxins, Quinolinic Acid, Neurotoxicity Syndromes

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