Results 21 to 30 of about 2,693,323 (214)

Quinolinic acid toxicity on oligodendroglial cells: relevance for multiple sclerosis and therapeutic strategies [PDF]

open access: yes, 2014
© Sundaram et al.; licensee BioMed Central. The excitotoxin quinolinic acid, a by-product of the kynurenine pathway, is known to be involved in several neurological diseases including multiple sclerosis (MS).
Bruce J Brew   +11 more
core   +2 more sources

Quinolinic acid, the inescapable neurotoxin [PDF]

open access: yesThe 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.
openaire   +2 more sources

Phytochemical treatments target kynurenine pathway induced oxidative stress

open access: yesRedox Report, 2018
Objective: The objective of this paper was to link the phytochemical and metabolic research treating quinolinic acid induced oxidative stress in neurodegenerative disorders.
K. Parasram
doaj   +1 more source

Kynurenines in the Pathogenesis of Multiple Sclerosis: Therapeutic Perspectives

open access: yesCells, 2020
Over the past years, an increasing amount of evidence has emerged in support of the kynurenine pathway’s (KP) pivotal role in the pathogenesis of several neurodegenerative, psychiatric, vascular and autoimmune diseases.
Tamás Biernacki   +3 more
doaj   +1 more source

A systematic review and meta-analysis of the kynurenine pathway of tryptophan metabolism in rheumatic diseases

open access: yesFrontiers in Immunology, 2023
There is an increasing interest in the pathophysiological role of the kynurenine pathway of tryptophan metabolism in the regulation of immune function and inflammation.
Arduino A. Mangoni   +2 more
doaj   +1 more source

Expression of tryptophan 2,3-dioxygenase and production of kynurenine pathway metabolites in triple transgenic mice and human Alzheimer's disease brain.

open access: yesPLoS ONE, 2013
To assess the role of the kynurenine pathway in the pathology of Alzheimer's disease (AD), the expression and localization of key components of the kynurenine pathway including the key regulatory enzyme tryptophan 2,3 dioxygenase (TDO), and the ...
Wei Wu   +9 more
doaj   +1 more source

Discrete quinolinic acid lesions of the lateral but not of the medial caudate putamen reversed haloperidol-induced catalepsy in rats [PDF]

open access: yes, 2014
Discrete lesions in the medial or lateral subregion of the rostral caudate-putamen (CP) were induced by bilateral intracerebral injections of a low dose of quinolinic acid (30 nmol in 1 mgrl/per side) in rats.
Schmidt, Werner J., Hauber, Wolfgang
core   +1 more source

Microglial Dysregulation and Suicidality: A Stress-Diathesis Perspective

open access: yesFrontiers in Psychiatry, 2020
According to the stress-diathesis model of suicidal behavior, completed suicide depends on the interaction between psychosocial stressors and a trait-like susceptibility.
Paria Baharikhoob   +7 more
doaj   +1 more source

Research progress on the kynurenine pathway in the prevention and treatment of Parkinson’s disease

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2023
Parkinson’s disease (PD) is characterised by progressive death of dopamine (DA) neurons in the substantia nigra pars compacta (SNpc) and pathological accumulation of α-synuclein fibrils, as well as central nervous system inflammation.
Ping Chen, Xiaofei Geng
doaj   +1 more source

The Endogenous Tryptophan Metabolite and NAD(+) Precursor Quinolinic Acid Confers Resistance of Gliomas to Oxidative Stress [PDF]

open access: yes, 2013
Quinolinic acid is a product of tryptophan degradation and may serve as a precursor for NAD(+), an important enzymatic cofactor for enzymes such as the DNA repair protein PARP.
Bode, H.   +10 more
core   +1 more source

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