Serum concentrations of kynurenines in adult patients with attention-deficit hyperactivity disorder (ADHD): a case–control study

Methods: We explored whether tryptophan, kynurenine, and the ratio of kynurenine to tryptophan (KTR) in pre- diagnostic blood samples was related to risk of glioma in a

Maternal blood plasma was obtained at ap- proximately gestational week 18 and was measured for tryptophan, kynurenine, kynurenic acid, anthranilic acid, 3-hydroxykynurenine,

Plasma concentrations of tryptophan, kynurenine, kynurenic acid, anthranilic acid, 3-hydroxykynurenine, xanthurenic acid, 3-hydroxyanthranilic acid, quinolinic acid, neop-

HK, 3 hydroxykynurenine; HKr, ratio of HK to (KA + XA + AA + HAA); HUSK, Hordaland Health Study; KA, kynurenic acid; KTR, kynurenine:Trp ratio; Kyn, kynurenine; PLP, pyridoxal 5

Trp, Tryptophan; Kyn, Kynurenine; KA, Kynurenic acid; AA, Anthranilic acid; HK, 3-hydroxykynurenine; XA, Xanthurenic acid; HAA, 3-Hydroxyanthranilic acid; QA, Quinolinic acid;

The primary objective of this study was to investigate the IFN-c markers KTR and neopterin as well as metabolites of the kynurenine pathway of tryptophan together with serum levels

Greater concentrations of unmetabolized folic acid are associated with higher serum folate concentrations (7, 254), suggesting that the amount of folic acid in

Effect of statins versus untreated dyslipidemia on serum uric acid levels in patients with coronary heart disease: a subgroup analysis of the GREek Atorvastatin and