L-Tryptophan-kynurenine pathway enzymes are therapeutic target for neuropsychiatric diseases: Focus on cell type differences

H Fujigaki, Y Yamamoto, K Saito - Neuropharmacology, 2017 - Elsevier
The kynurenine pathway (KP) is the major route for tryptophan (TRP) metabolism in most
mammalian tissues. The KP metabolizes TRP into a number of neuroactive metabolites …

Kynurenine pathway in chronic kidney disease: what's old, what's new, and what's next?

A Mor, B Kalaska, D Pawlak - International Journal of …, 2020 - journals.sagepub.com
Impaired kidney function and increased inflammatory process occurring in the course of
Chronic Kidney Disease (CKD) contribute to the development of complex amino-acid …

Kynurenines with neuroactive and redox properties: relevance to aging and brain diseases

J Reyes Ocampo, R Lugo Huitrón… - Oxidative Medicine …, 2014 - Wiley Online Library
The kynurenine pathway (KP) is the main route of tryptophan degradation whose final
product is NAD+. The metabolism of tryptophan can be altered in ageing and with …

Elevated kynurenine pathway metabolism during neurodevelopment: implications for brain and behavior

FM Notarangelo, A Pocivavsek - Neuropharmacology, 2017 - Elsevier
The kynurenine pathway (KP) of tryptophan degradation contains several neuroactive
metabolites that may influence brain function in health and disease. Mounting focus has …

[PDF][PDF] Peripheral distribution of kynurenine metabolites

D Pawlak, A Tankiewicz, T Matys… - Journal of Physiology and …, 2003 - jpp.krakow.pl
The main product of L-tryptophan (TRP) kynurenine pathway degradation in peripheral
tissues is L-kynurenine (KYN), which is further converted to a series of metabolites, such as …

Cyclophosphamide instigated hepatic-renal oxidative/inflammatory stress aggravates immunosuppressive indoleamine 2, 3-dioxygenase in male rats: Abatement by …

AP Ebokaiwe, DO Obasi, RCC Njoku, S Osawe… - Toxicology, 2021 - Elsevier
The hepatic-renal toxicity associated with cyclophosphamide (CYP) treatment in both
animals and humans have been reported. Quercetin, a dietary flavonoid, is known to elicit …

Tryptophan as an evolutionarily conserved signal to brain serotonin: molecular evidence and psychiatric implications

S Russo, IP Kema, F Bosker, J Haavik… - The world journal of …, 2009 - Taylor & Francis
The role of serotonin (5-HT) in psychopathology has been investigated for decades. Among
others, symptoms of depression, panic, aggression and suicidality have been associated …

[PDF][PDF] Kynurenine and its metabolites in the rat with experimental renal insufficiency

D Pawlak, A Tankiewicz, W Buczko - J Physiol Pharmacol, 2001 - researchgate.net
In uremia a great number of the endogenous metabolites that are ordinarily excreted in urine
accumulate in the blood. Among these are the products of KYN degradation. In the present …

Cyclophosphamide‐induced testicular oxidative‐inflammatory injury is accompanied by altered immunosuppressive indoleamine 2, 3‐dioxygenase in Wister rats …

AP Ebokaiwe, DO Obasi, RC Njoku, S Osawe - Andrologia, 2022 - Wiley Online Library
This study evaluated the role of quercetin against cyclophosphamide‐induced distortion of
rat testicular function. Adult rats were administered cyclophosphamide (100 mg/kg) …

Tryptophan metabolism via the kynurenine pathway in experimental chronic renal failure

D Pawlak, A Tankiewicz, P Mysliwiec, W Buczko - Nephron, 2002 - karger.com
Background: Kidneys are involved in tryptophan (TRP) metabolism in two ways. They
eliminate TRP derivatives on the one hand, and they produce several enzymes taking part in …