Immune influencers in action: metabolites and enzymes of the tryptophan-kynurenine metabolic pathway

M Tanaka, F Tóth, H Polyák, Á Szabó, Y Mándi… - Biomedicines, 2021 - mdpi.com
The tryptophan (TRP)-kynurenine (KYN) metabolic pathway is a main player of TRP
metabolism through which more than 95% of TRP is catabolized. The pathway is activated …

The kynurenine pathway: a finger in every pie

J Savitz - Molecular psychiatry, 2020 - nature.com
The kynurenine pathway (KP) plays a critical role in generating cellular energy in the form of
nicotinamide adenine dinucleotide (NAD+). Because energy requirements are substantially …

Modulation of T cells by tryptophan metabolites in the kynurenine pathway

TW Stone, RO Williams - Trends in Pharmacological Sciences, 2023 - cell.com
Lymphocytes maturing in the thymus (T cells) are key factors in adaptive immunity and the
regulation of inflammation. The kynurenine pathway of tryptophan metabolism includes …

[HTML][HTML] Role of indoleamine 2, 3-dioxygenase 1 (IDO1) and kynurenine pathway in the regulation of the aging process

A Salminen - Ageing Research Reviews, 2022 - Elsevier
Abstract Indoleamine 2, 3-dioxygenase 1 (IDO1) is activated in chronic inflammatory states,
eg, in the aging process and age-related diseases. IDO1 enzyme catabolizes L-tryptophan …

The tryptophan and kynurenine pathway involved in the development of immune-related diseases

A Tsuji, Y Ikeda, S Yoshikawa, K Taniguchi… - International Journal of …, 2023 - mdpi.com
The tryptophan and kynurenine pathway is well-known to play an important role in nervous,
endocrine, and immune systems, as well as in the development of inflammatory diseases. It …

[HTML][HTML] Kynurenine emerges from the shadows–Current knowledge on its fate and function

M Marszalek-Grabska, K Walczak, K Gawel… - Pharmacology & …, 2021 - Elsevier
Kynurenine (KYN), a main metabolite of tryptophan in mammals, is a direct precursor of
kynurenic acid, anthranilic acid and 3-hydroxykynurenine (3-HK). Under physiological …

Healthy aging and muscle function are positively associated with NAD+ abundance in humans

GE Janssens, L Grevendonk, RZ Perez… - Nature Aging, 2022 - nature.com
Skeletal muscle is greatly affected by aging, resulting in a loss of metabolic and physical
function. However, the underlying molecular processes and how (lack of) physical activity is …

Kynurenic acid may underlie sex-specific immune responses to COVID-19

Y Cai, DJ Kim, T Takahashi, DI Broadhurst, H Yan… - Science …, 2021 - science.org
Coronavirus disease 2019 (COVID-19) has poorer clinical outcomes in males than in
females, and immune responses underlie these sex-related differences. Because immune …

The role of diet in multiple sclerosis: mechanistic connections and current evidence

I Katz Sand - Current nutrition reports, 2018 - Springer
Abstract Purpose of Review This review seeks to examine current research related to the
role of diet in multiple sclerosis (MS). Recent Findings Recent research in preclinical …

Aryl hydrocarbon receptor in oxidative stress as a double agent and its biological and therapeutic significance

AY Grishanova, ML Perepechaeva - International Journal of Molecular …, 2022 - mdpi.com
The aryl hydrocarbon receptor (AhR) has long been implicated in the induction of a battery
of genes involved in the metabolism of xenobiotics and endogenous compounds. AhR is a …