Results 1 to 10 of about 20,173 (272)

Direct determination of kynurenic acid with HPLC-MS/MS method in honey

open access: diamondActa Chimica Slovenica, 2023
Kynurenic acid (KYNA) has been attributed many beneficial properties, such as antioxidant, antiproliferative, anti-inflammatory, and anti-obesogenic, as it is believed to affect metabolism and weight gain.
Anže Pavlin   +2 more
doaj   +3 more sources

Effects of kynurenic acid on cardiovascular system

open access: yesJournal of Education, Health and Sport, 2017
Kynurenic Acid (KYNA) is an endogenous metabolite of tryptophan (TRP) which is produced by aminotransferase KAT I and KAT II in the central nervous system and peripheral tissues. Moreover it has been shown that it can be supplied with food.
Piotr Kozłowski   +2 more
doaj   +4 more sources

SZR-104, a Novel Kynurenic Acid Analogue with High Permeability through the Blood–Brain Barrier

open access: yesPharmaceutics, 2021
By being an antagonist of glutamate and other receptors, kynurenic acid serves as an endogenous neuroprotectant in several pathologies of the brain. Unfortunately, systemic administration of kynurenic acid is hindered by its low permeability through the ...
Kinga Molnár   +10 more
doaj   +1 more source

The microbial production of kynurenic acid using Yarrowia lipolytica yeast growing on crude glycerol and soybean molasses

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Yarrowia lipolytica yeast are able to produce kynurenic acid—a very valuable compound acting as a neuroprotective and antioxidant agent in humans. The recent data proved the existence of the kynurenine biosynthesis pathway in this yeast cells.
Magdalena Rakicka-Pustułka   +5 more
doaj   +1 more source

Albumin-bound kynurenic acid is an appropriate endogenous biomarker for assessment of the renal tubular OATs-MRP4 channel

open access: yesJournal of Pharmaceutical Analysis, 2023
Renal tubular secretion mediated by organic anion transporters (OATs) and the multidrug resistance-associated protein 4 (MRP4) is an important means of drug and toxin excretion. Unfortunately, there are no biomarkers to evaluate their function.
Yanrong Ma   +5 more
doaj   +1 more source

Decreased cerebrospinal fluid kynurenic acid in epileptic spasms: A biomarker of response to corticosteroids

open access: yesEBioMedicine, 2022
Summary: Background: Epileptic (previously infantile) spasms is the most common epileptic encephalopathy occurring during infancy and is frequently associated with abnormal neurodevelopmental outcomes.
Jingya Yan   +22 more
doaj   +1 more source

Abnormal Activation of Tryptophan-Kynurenine Pathway in Women With Polycystic Ovary Syndrome

open access: yesFrontiers 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

Measurement of kynurenine pathway metabolites by tandem mass spectrometry

open access: yesJournal of Mass Spectrometry and Advances in the Clinical Lab, 2023
Objectives: Recent studies have shown that derangements in kynurenine pathway metabolite levels are associated with various pathologies such as neurodegenerative diseases, schizophrenia, depression, bipolar disorder, rheumatoid arthritis, and cancer ...
Sedat Abusoglu   +4 more
doaj   +1 more source

The Kynurenine Pathway is Differentially Activated in Children with Lyme Disease and Tick-Borne Encephalitis

open access: yesMicroorganisms, 2021
In children, tick-borne encephalitis and neuroborreliosis are common infections affecting the central nervous system. As inflammatory pathways including cytokine expression are activated in these children and appear to be of importance for outcome, we ...
Ronny Wickström   +5 more
doaj   +1 more source

Peripheral N-methyl-d-aspartate receptor activation contributes to monosodium glutamate-induced headache but not nausea behaviours in rats

open access: yesScientific Reports, 2022
Monosodium glutamate induces behaviors thought to reflect headache and nausea in rats. We explored the effects of the N-methyl-d-aspartate receptor antagonist (2R)-amino-5-phosphonovaleric acid, the inotropic glutamate receptor antagonist kynurenic acid,
Tarique Benbow   +5 more
doaj   +1 more source

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