States of quinolinic acid excess in urine: A systematic review of human studies [PDF]
Frontiers in Nutrition, 2022 IntroductionQuinolinic acid is an intermediate compound derived from the metabolism of dietary tryptophan. Its accumulation has been reported in patients suffering a broad spectrum of diseases and conditions. In this manuscript, we present the results of
Marie Christelle Saade +4 more
doaj +2 more sources
The Role of Tryptophan Dysmetabolism and Quinolinic Acid in Depressive and Neurodegenerative Diseases [PDF]
Biomolecules, 2022 Emerging evidence suggests that neuroinflammation is involved in both depression and neurodegenerative diseases. The kynurenine pathway, generating metabolites which may play a role in pathogenesis, is one of several competing pathways of tryptophan ...
Knut Hestad +3 more
doaj +2 more sources
Quinolinic acid is associated with cognitive deficits in schizophrenia but not major depressive disorder [PDF]
Scientific Reports, 2021 Tryptophan and its catabolites (TRYCATs) have been suggested to link peripheral immune system activation and central neurotransmitter abnormalities with relevance to the etio-pathophysiology of schizophrenia (SZ) and major depressive disorder (MDD).
Flurin Cathomas +4 more
doaj +2 more sources
CSF neopterin and quinolinic acid are biomarkers of neuroinflammation and neurotoxicity in FIRES and other infection‐triggered encephalopathy syndromes [PDF]
Annals of Clinical and Translational Neurology, 2023 Objective Infection‐triggered encephalopathy syndromes (ITES) are potentially devastating neuroinflammatory conditions. Although some ITES syndromes have recognisable MRI neuroimaging phenotypes, there are otherwise few biomarkers of disease.
Russell C. Dale +18 more
doaj +2 more sources
Quinolinic acid, the inescapable neurotoxin [PDF]
FEBS Journal, 2012 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.
Gilles J Guillemin
exaly +3 more sources
LC-MS/MS Detection of Tryptophan, Kynurenine, Kynurenic Acid, and Quinolinic Acid in Urine Samples from Drug-Positive and Illicit Drug-Negative Patients with a Known History of Substance Use Disorder [PDF]
MetabolitesIntroduction: Currently, there are few tools for monitoring recovery in substance use disorder. As substance use has increased in prevalence, tools for measuring recovery are needed to improve therapeutic outcomes.
Lindsey Contella +8 more
doaj +2 more sources
Identification of kynurenine and quinolinic acid as promising serum biomarkers for drug-induced interstitial lung diseases [PDF]
Respiratory ResearchBackground Drug-induced interstitial lung disease (DILD) is a lung injury caused by various types of drugs and is a serious problem in both clinical practice and drug development.
Yuchen Sun +26 more
doaj +2 more sources
Quinolinic acid potentially links kidney injury to brain toxicity [PDF]
JCI InsightKidney dysfunction often leads to neurological impairment, yet the complex kidney-brain relationship remains elusive. We employed spatial and bulk metabolomics to investigate a mouse model of rapid kidney failure induced by mouse double minute 2 (Mdm2 ...
Afaf Saliba +21 more
doaj +2 more sources
Molecules, 2022 The scavenging activity of hydroxyl radicals, produced by the Fenton reaction, is commonly used to quantify the antioxidant capacity of plant extracts. In this study, three Fenton systems (Fe/phosphate buffer, Fe/quinolinic acid and Fe/phosphate buffer ...
Daniele Sanna, Angela Fadda
doaj +1 more source
Abnormal Activation of Tryptophan-Kynurenine Pathway in Women With Polycystic Ovary Syndrome
Frontiers in Endocrinology, 2022 BackgroundWomen with polycystic ovary syndrome (PCOS) suffer from dysfunctional metabolism and studies have reported increased levels of tryptophan in patients with PCOS.
Siyu Wang +25 more
doaj +1 more source