Page last updated: 2024-10-19

kynurenine and Innate Inflammatory Response

kynurenine has been researched along with Innate Inflammatory Response in 274 studies

Kynurenine: A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.
kynurenine : A ketone that is alanine in which one of the methyl hydrogens is substituted by a 2-aminobenzoyl group.

Research Excerpts

ExcerptRelevanceReference
" Pro-inflammatory cytokines from persistent low-grade inflammation not only contribute to the development of chronic pain conditions, but also regulate various aspects of the tryptophan metabolism, especially that of the kynurenine pathway (KP)."9.41Glucocorticoid Hormones as Modulators of the Kynurenine Pathway in Chronic Pain Conditions. ( Jovanovic, F; Jovanovic, V; Knezevic, NN, 2023)
"To determine whether functional vitamin B-6 insufficiency occurs in OC users and is attributable to OCs, we investigated the associations of PLP with metabolites of one-carbon metabolism, tryptophan catabolism, and inflammation in OC users, and evaluated the effects of OCs on these metabolites."9.20Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o ( Chi, YY; Coats, B; Gregory, JF; Midttun, Ø; Rios-Avila, L; Stacpoole, PW; Ueland, PM, 2015)
" Depression could result from changes in tryptophan availability caused by activation of the kynurenine pathway as a result of inflammation."9.14Kynurenine metabolites and inflammation markers in depressed patients treated with fluoxetine or counselling. ( Bridel, MA; Christofides, J; Cowlard, R; Darlington, LG; Forrest, CM; Mackay, GM; Mitchell, S; Stone, TW, 2009)
"Tryptophan catabolites (TRYCATs) are implicated in the pathophysiology of mood disorders by mediating immune-inflammation and neurodegenerative processes."9.12Tryptophan Catabolites in Bipolar Disorder: A Meta-Analysis. ( Coppens, V; De Picker, L; Giltay, EJ; Hebbrecht, K; Morrens, M; Skorobogatov, K, 2021)
" A series of metabolites of the pathway are neurologically active, among which kynerunic acid (KYNA) and quinolinic acid (QUIN) are molecules of great interest in recent studies on the mechanisms of inflammation-induced depression."9.12Tryptophan-kynurenine metabolism: a link between the gut and brain for depression in inflammatory bowel disease. ( Bao, CH; Chen, LM; Huang, Y; Liang, SH; Liu, HR; Wang, D; Wu, HG; Wu, LY; Wu, Y, 2021)
"There is now some evidence that i) the availability of plasma tryptophan, the precursor of serotonin, is significantly lower in pregnant women at the end of term and the first few days after delivery than in nonpregnant women; and ii) both pregnancy and the early puerperium are accompanied by activation of the inflammatory response system."9.10Depressive and anxiety symptoms in the early puerperium are related to increased degradation of tryptophan into kynurenine, a phenomenon which is related to immune activation. ( Bonaccorso, S; Bosmans, E; Maes, M; Ombelet, W; Scharpé, S; Verkerk, R, 2002)
"The tryptophan metabolite kynurenine increases with aging and inflammation, and appears to contribute directly to the development and progression of several age-related conditions."9.05Kynurenine signaling through the aryl hydrocarbon receptor: Implications for aging and healthspan. ( Hamrick, MW; Kaiser, H; Parker, E, 2020)
"In the last decade, there has been growing evidence that an interaction exists between inflammation and the kynurenine pathway in schizophrenia."9.05Effects of inflammation on the kynurenine pathway in schizophrenia - a systematic review. ( Elyamany, O; Mulert, C; Pedraz-Petrozzi, B; Rummel, C, 2020)
" In particular, the activation of the kynurenine pathway of tryptophan degradation due to inflammation may play a key role in the development and persistence of both diseases."9.01Inflammation in cancer and depression: a starring role for the kynurenine pathway. ( Mondelli, V; Nettis, MA; Pariante, CM; Sforzini, L, 2019)
" However, other pathophysiological features of the disease have emerged including neuroinflammation and dysregulation of the kynurenine pathway (KP)."9.01Microbiota Alterations in Alzheimer's Disease: Involvement of the Kynurenine Pathway and Inflammation. ( Garcez, ML; Guillemin, GJ; Jacobs, KR, 2019)
"Recently, neuroinflammation and the immune-kynurenine pathway have received increased attention in the psychoimmunology field of major depressive disorder (MDD), while studies related to anxiety disorders have been very limited."8.98Neuroinflammation and the Immune-Kynurenine Pathway in Anxiety Disorders. ( Jeon, SW; Kim, YK, 2018)
"The aim of this paper is to elucidate the role of oxidative and nitrosative stress as well as the tryptophan catabolites pathway in the development of depression and the mechanism of action of antidepressant drugs, based on the available literature."8.95Oxidative and Nitrosative Stress as Well as the Tryptophan Catabolites Pathway in Depressive Disorders. ( Czarny, P; Galecki, P; Sliwinski, T; Wigner, P, 2017)
" The aim of this article is to present results of contemporary research studies over mutual connections between social cognition, cognitive processes and inflammatory factors significant for the aetiology of recurrent depressive disorders, with particular reference to the role of kynurenine pathways."8.93Cognition and Emotions in Recurrent Depressive Disorders - The Role of Inflammation and the Kynurenine Pathway. ( Galecki, P; Talarowska, M, 2016)
"BACKGROUNDThe kynurenine pathway (KP) has been identified as a potential mediator linking acute illness to cognitive dysfunction by generating neuroactive metabolites in response to inflammation."8.31Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients. ( Fang, EF; Figved, W; Frihagen, F; Giil, LM; Godø, A; Halaas, NB; Hassel, B; Henjum, K; Idland, AV; Knapskog, AB; McCann, A; Myrstad, M; Neerland, BE; Pollmann, CT; Quist-Paulsen, E; Raeder, J; Selbæk, G; Ueland, PM; Watne, LO; Zetterberg, H, 2023)
"This work aimed to characterize the kynurenine pathway, activated during interferon-γ (IFN-γ)-mediated inflammation and cellular (T-helper type 1 [Th1] type) immunity, in GD patients with and without thyroid eye disease (TED)."8.31Systemic Activation of the Kynurenine Pathway in Graves Disease With and Without Ophthalmopathy. ( Breivik, LE; Husebye, E; Løvås, K; Nilsen, RM; Rødahl, E; Stokland, AM; Ueland, GÅ; Ueland, HO; Ulvik, A; Wolff, ASB, 2023)
" Studies have shown that both stress and MDD, especially the more severe conditions of the disorder, are associated with inflammation and neuroinflammation and the relationship to an imbalance in tryptophan metabolism towards the kynurenine pathway (KP) through the enzymes indoleamine-2,3-dioxygenase (IDO), which is mainly stimulated by pro-inflammatory cytokines and tryptophan-2,3-dioxygenase (TDO) which is activated primarily by glucocorticoids."8.31Stress and Kynurenine-Inflammation Pathway in Major Depressive Disorder. ( Bertollo, AG; de Oliveira, T; Ignácio, ZM; Mingoti, MED, 2023)
"There were statistically significant increases of CSF neopterin, kynurenine, quinolinic acid and kynurenine/tryptophan ratio (KYN/TRP) in the inflammation group compared to all control groups (all p < 0."8.31CSF neopterin, quinolinic acid and kynurenine/tryptophan ratio are biomarkers of active neuroinflammation. ( Andrews, PI; Antony, J; Ardern-Holmes, S; Bandodkar, S; Chung, J; Dale, RC; Farrar, MA; Gill, D; Guillemin, GJ; Guller, A; Gupta, S; Han, VX; Heng, B; Jones, HF; Kandula, T; Keating, BA; Kothur, K; Menezes, MP; Mohammad, S; Patel, S; Pillai, SC; Sampaio, H; Tantsis, E; Troedson, C; Webster, R; Yan, J, 2023)
"Kynurenine monooxygenase (KMO) blockade protects against multiple organ failure caused by acute pancreatitis (AP), but the link between KMO and systemic inflammation has eluded discovery until now."8.31Kynurenine monooxygenase regulates inflammation during critical illness and recovery in experimental acute pancreatitis. ( Baillie, JK; Baily, J; Binnie, M; Bochkina, NA; Garden, OJ; Hayes, AJ; Homer, NZM; Howie, SEM; Iredale, JP; Just, G; Liddle, J; McGuire, K; Mole, DJ; Murray, TBJ; Neyton, LPA; O'Kelly, J; Skouras, C; Uings, I; Webster, SP; Zheng, X, 2023)
" The kynurenine and catecholamine metabolic pathways are modulated by inflammation and can affect systemic levels of serotonin and dopamine."8.31The effect of inflammation, SARS-CoV-2 infection, age and mental health on serotonin, and kynurenine and catecholamine pathway metabolites. ( Bruckner, T; Deisenhammer, EA; Egeter, J; Galffy, M; Giesinger, JM; Gostner, JM; Holzner, B; Hüfner, K; Lehmann, J; Nelles, P; Oberhammer, M; Rockenschaub, J; Sacher, M; Sperner-Unterweger, B; Tymoszuk, P; Vedova, S, 2023)
"The aim of this study was to identify the effects of smoking and periodontal inflammation on tryptophan-kynurenine metabolism as well as the correlation between these findings and clinical periodontal parameters."8.31Does smoking influence tryptophan metabolism in periodontal inflammation? A cross-sectional study. ( Akdoğan, N; Balci, N; Günhan, M; Kurgan, Ş; Önder, C; Serdar, CC; Serdar, MA, 2023)
"This study analyzed the difference in serum metabolic profiles between patients with severe pneumonia and health individuals through metabolomics, aiming to uncover the correlation between the Tryptophan-Kynurenine pathway and the severity of severe pneumonia, as well as N-3/N-6 polyunsaturated fatty acids (PUFAs)."8.31Correlation between immune-related Tryptophan-Kynurenine pathway and severity of severe pneumonia and inflammation-related polyunsaturated fatty acids. ( Gan, H; Guo, B; Liao, Y; Lin, R; Liu, M; Lyu, J; Sun, B; Xue, M; Zhang, T; Zheng, P, 2023)
"An inflammation panel of 13 metabolites (neopterin, tryptophan, kynurenine, kynurenic acid, 3-hydroxykynurenine, xanthurenic acid, anthranilic acid, 3-hydroxyanthranilic acid, quinolinic acid, picolinic acid, arginine, citrulline and methylhistamine) was measured based on a simple precipitation and filtration method using minimal CSF volume."8.12Development of a translational inflammation panel for the quantification of cerebrospinal fluid Pterin, Tryptophan-Kynurenine and Nitric oxide pathway metabolites. ( Bandodkar, S; Dale, RC; Guillemin, GJ; Han, VX; Heng, B; Yan, J, 2022)
"Our results suggest that periodontal inflammation plays a role in local and systemic tryptophan-kynurenine metabolism."8.12Influence of periodontal inflammation on tryptophan-kynurenine metabolism: a cross-sectional study. ( Akdoğan, N; Altıngöz, SM; Balcı, N; Günhan, M; Kurgan, Ş; Önder, C; Serdar, MA, 2022)
"The kynurenine pathway (KP) and inflammation are substantial in depression pathogenesis."8.12A kynurenine pathway enzyme aminocarboxymuconate-semialdehyde decarboxylase may be involved in treatment-resistant depression, and baseline inflammation status of patients predicts treatment response: a pilot study. ( Aslan, S; Bolu, A; Bozkurt, A; Bukan, N; Cevik, C; Cicek, S; Ekmekci Ertek, I; Karadag, RF; Kocak, C; Sen, B; Ucar, H; Yilmaz, NS, 2022)
"Inflammation and glutamate (GLU) are widely thought to participate in the pathogenesis of depression, and current evidence suggests that the development of depression is associated with the activation of the kynurenine pathway (KP)."8.12Involvement of kynurenine pathway between inflammation and glutamate in the underlying etiopathology of CUMS-induced depression mouse model. ( Chen, B; Di, Z; Guo, Q; Hu, R; Jiang, S; Liu, J; Ma, R; Shi, M; Song, Z; Sun, S; Wu, X; Xu, H, 2022)
"Thirty-four blood markers relating to inflammation, B vitamin status, and the kynurenine pathway were measured in 976 participants in the Melbourne Collaborative Cohort Study at baseline (median age = 59 years) and follow-up (median age = 70 years)."8.12Association of Markers of Inflammation, the Kynurenine Pathway and B Vitamins with Age and Mortality, and a Signature of Inflammaging. ( Dugué, PA; English, DR; Flicker, L; Giles, GG; Hodge, AM; Li, SX; MacInnis, RJ; Meyer, K; Midttun, Ø; Milne, RL; Navionis, AS; Rinaldi, S; Severi, G; Southey, MC; Tell, GS; Ueland, PM; Ulvik, A; Vineis, P, 2022)
"Tryptophan catabolites ("TRYCATs") produced by the kynurenine pathway (KP) may play a role in depression pathophysiology."8.02The association between plasma tryptophan catabolites and depression: The role of symptom profiles and inflammation. ( Allers, KA; Beekman, ATF; Giltay, EJ; Keller, S; Milaneschi, Y; Niessen, HG; Penninx, BWJH; Schoevers, RA; Süssmuth, SD, 2021)
"Mania and chronic depressive symptoms in BD are accompanied by a strong interaction between inflammation and a potentially neurotoxic kynurenine metabolism."7.96A mood state-specific interaction between kynurenine metabolism and inflammation is present in bipolar disorder. ( Coppens, V; de Boer, P; Fransen, E; Lai, FY; Morrens, M; Sabbe, B; Schuermans, J; Timmers, M; van den Ameele, S; van Diermen, L; van Nuijs, AL; Verkerk, R, 2020)
" We investigated associations between abdominal adipose tissue, alterations in kynurenine pathway of tryptophan metabolism, and systemic inflammation in people with HIV (PWH)."7.96Abdominal Adipose Tissue Is Associated With Alterations in Tryptophan-Kynurenine Metabolism and Markers of Systemic Inflammation in People With Human Immunodeficiency Virus. ( Gelpi, M; Lebech, AM; Lundgren, J; Midttun, Ø; Mocroft, A; Nielsen, SD; Trøseid, M; Ueland, PM; Ullum, H, 2020)
"Kynurenine pathway (KP) metabolites are believed to be a link between inflammation and depression through effects on brain glutamate receptors."7.96Associations among peripheral and central kynurenine pathway metabolites and inflammation in depression. ( Baer, W; Felger, JC; Goldsmith, DR; Haroon, E; Miller, AH; Patel, T; Welle, JR; Woolwine, BJ, 2020)
"We measured concentrations of kynurenine (Kyn) and tryptophan (Trp) in 221 cerebrospinal fluid samples from patients with bacterial and viral (due to herpes simplex, varicella zoster, and enteroviruses) meningitis/encephalitis, neuroborreliosis, autoimmune neuroinflammation (due to anti-N-methyl-D-aspartate receptor [NMDA] encephalitis and multiple sclerosis), and noninflamed controls (ie, individuals with Bell palsy, normal pressure hydrocephalus, or Tourette syndrome)."7.91Kynurenine Is a Cerebrospinal Fluid Biomarker for Bacterial and Viral Central Nervous System Infections. ( Kaever, V; Kuhn, M; Müller-Vahl, K; Novoselova, N; Pessler, F; Seegers, L; Skripuletz, T; Stangel, M; Sühs, KW; Trebst, C, 2019)
" Tryptophan (TRP) metabolism has attracted considerable attention due to its influence on the onset of depression via induction of inflammation."7.91Changes in tryptophan metabolism during pregnancy and postpartum periods: Potential involvement in postpartum depressive symptoms. ( Kubo, H; Morikawa, M; Mouri, A; Nabeshima, T; Nakamura, Y; Okada, T; Ozaki, N; Saito, K; Shiino, T; Teshigawara, T; Yamamoto, Y, 2019)
"To evaluate relationships among obesity in pregnancy and plasma levels of tryptophan (TRP) and kynurenine (KYN), inflammatory markers, and depressed mood."7.88Associations Among Obesity, Inflammation, and Tryptophan Catabolism in Pregnancy. ( D'Agata, A; Duffy, A; Fuchs, D; Groer, M; Louis-Jacques, A; Postolache, TT, 2018)
"Chronic stress or inflammation increases tryptophan metabolism along the kynurenine pathway (KP), and the generation of neuroactive kynurenine metabolites contributes to subsequent depressive-like behaviors."7.88Kynurenine pathway metabolic balance influences microglia activity: Targeting kynurenine monooxygenase to dampen neuroinflammation. ( Delgado, J; Garrison, AM; O'Connor, JC; Parrott, JM; Redus, L; Tuñon, A, 2018)
"In both cohorts, inflammation as measured by higher levels of CRP, sVCAM1 and sICAM1 was associated with kynurenine/tryptophan ratio and thus enhanced tryptophan breakdown (beta: 0."7.88Psychosocial stress and inflammation driving tryptophan breakdown in children and adolescents: A cross-sectional analysis of two cohorts. ( Carvalho, LA; Clarke, G; Díaz, LE; Gómez-Martínez, S; Marcos, A; Michels, N; Olavarria-Ramirez, L; Widhalm, K, 2018)
" Inflammation induces tryptophan metabolism along the kynurenine pathway (KP) and yields immunologically relevant metabolites."7.88Tryptophan Metabolism through the Kynurenine Pathway is Associated with Endoscopic Inflammation in Ulcerative Colitis. ( Bissonnette, M; Ciorba, MA; Guillemin, GJ; Lim, CK; Meckel, K; Pekow, JR; Sofia, MA; Weber, CR, 2018)
" The aim of this study was to investigate the changes of inflammation markers with chronic Pb exposure by analyzing neopterin levels and kynurenine (Kyn) to tryptophan (Trp) ratio that reflects indolamine 2,3-dioxygenase activity and to compare with healthy volunteers' parameters."7.85Possible changes of New-Generation inflammation markers with occupational lead exposure. ( Baydar, T; Girgin, G; Palabiyik, SS; Sipahi, H; Tutkun, E; Yilmaz, OH, 2017)
"We aimed to evaluate 10 biomarkers related to inflammation and the kynurenine pathway, including neopterin, kynurenine:tryptophan ratio, C-reactive protein, tryptophan, and 6 kynurenines, as potential predictors of all-cause and cause-specific mortality in a general population sample."7.83Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality: The Hordaland Health Study. ( Eussen, SJ; Meyer, K; Midttun, Ø; Nygård, O; Tell, GS; Theofylaktopoulou, D; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H, 2016)
"Inflammatory proteins are thought to be causally involved in the generation of aggression, possibly due to direct effects of cytokines in the central nervous system and/or by generation of inflammatory metabolites along the tryptophan-kynurenine (TRP/KYN) pathway, including KYN and its active metabolites kynurenic acid (KA), quinolinic acid (QA), and picolinic acid (PA)."7.83Tryptophan, kynurenine, and kynurenine metabolites: Relationship to lifetime aggression and inflammatory markers in human subjects. ( Brundin, L; Christensen, K; Coccaro, EF; Coussons-Read, M; Erhardt, S; Fanning, JR; Fuchs, D; Goiny, M; Lee, R, 2016)
"The kynurenine pathway of tryptophan metabolism has an important role in mediating the behavioral effects of inflammation, which has implications in understanding neuropsychiatric comorbidity and for the development of novel therapies."7.83Neurotoxic kynurenine metabolism is increased in the dorsal hippocampus and drives distinct depressive behaviors during inflammation. ( Gao, X; Morales, J; O'Connor, JC; Parrott, JM; Redus, L; Santana-Coelho, D, 2016)
"A negative association between systemic markers of inflammation and plasma vitamin B-6 has been observed in population-based and patient cohorts; however, vitamin B-6 (pyridoxine) treatment has mostly failed to improve inflammatory indexes."7.78Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris. ( Midttun, Ø; Nygård, O; Pedersen, ER; Ueland, PM; Ulvik, A, 2012)
"This review of literature and our data suggests that up-regulated production of interferon-gamma (IFNG) in periphery and brain triggers a merger of tryptophan (TRY)-kynurenine (KYN) and guanine-tetrahydrobiopterin (BH4) metabolic pathways into inflammation cascade involved in aging and aging-associated medical and psychiatric disorders (AAMPD) (metabolic syndrome, depression, vascular cognitive impairment)."7.77Interferon-gamma-inducible kynurenines/pteridines inflammation cascade: implications for aging and aging-associated psychiatric and medical disorders. ( Oxenkrug, GF, 2011)
" In plasma from 3035 patients undergoing coronary angiography for suspected coronary heart disease, we investigated if plasma concentrations of any metabolites in the kynurenine pathway, which depend on PLP as cofactor, may serve as metabolic marker(s) of vitamin B-6 status."7.77Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation. ( Bleie, O; Ebbing, M; Midttun, O; Nilsen, RM; Nygård, O; Ringdal Pedersen, E; Schartum-Hansen, H; Ueland, PM; Ulvik, A, 2011)
"Patients (n = 16) with septic shock had indoleamine 2,3-dioxygenase activity assessed as the kynurenine-to-tryptophan ratio, and the severity of hypotension was determined by their inotrope requirements."7.77Tryptophan metabolism to kynurenine is a potential novel contributor to hypotension in human sepsis. ( Celermajer, DS; Changsirivathanathamrong, D; dos Remedios, CG; Duflou, J; Gebski, V; Maghzal, GJ; Mak, WM; Rajbhandari, D; Stocker, R; Wang, Y; Woolfe, C, 2011)
" The kynurenine pathway (KP), activated during neuroinflammation, is emerging as a possible contributory factor in ALS."7.76The kynurenine pathway and inflammation in amyotrophic lateral sclerosis. ( Brew, BJ; Chen, Y; Coggan, S; Cullen, KM; Garner, B; Grant, R; Guillemin, GJ; Meininger, V; Stankovic, R, 2010)
"Post-stroke inflammation may induce upregulation of the kynurenine (KYN) pathway for tryptophan (TRP) oxidation, resulting in neuroprotective (kynurenic acid, KA) and neurotoxic metabolites (3-hydroxyanthranillic acid, 3-HAA)."7.76The role of tryptophan catabolism along the kynurenine pathway in acute ischemic stroke. ( Aerts, T; Brouns, R; De Deyn, PP; De Surgeloose, D; Scharpé, S; Verkerk, R; Wauters, A, 2010)
"Increased oxidative stress (SOX), inflammation and prevalence of cardiovascular disease (CVD) have been reported in end-stage renal disease (ESRD), but their associations with kynurenine (KYN) pathway activation remain unknown."7.75The kynurenines are associated with oxidative stress, inflammation and the prevalence of cardiovascular disease in patients with end-stage renal disease. ( Domaniewski, T; Mysliwiec, M; Pawlak, D; Pawlak, K, 2009)
" Here we show that a superoxide-dependent step in tryptophan metabolism along the kynurenine pathway is blocked in CGD mice with lethal pulmonary aspergillosis, leading to unrestrained Vgamma1(+) gammadelta T-cell reactivity, dominant production of interleukin (IL)-17, defective regulatory T-cell activity and acute inflammatory lung injury."7.74Defective tryptophan catabolism underlies inflammation in mouse chronic granulomatous disease. ( Bistoni, F; D'Angelo, C; De Luca, A; Fallarino, F; Fioretti, MC; Grohmann, U; Montagnoli, C; Puccetti, P; Romani, L; Segal, BH; Vacca, C; Zelante, T, 2008)
"Although depression is categorized as a brain disorder, its symptomatology includes some behaviors that also occur during chronic inflammatory stress."7.01The Interrelation between Oxidative Stress, Depression and Inflammation through the Kynurenine Pathway. ( Aydin, A; Mat, AF; Ozhan, Y; Sipahi, H, 2023)
"The kynurenine pathway (KP) is a major route of the essential amino acid L-tryptophan (Trp) catabolism in mammalian cells."7.01Maternal Inflammation with Elevated Kynurenine Metabolites Is Related to the Risk of Abnormal Brain Development and Behavioral Changes in Autism Spectrum Disorder. ( Fang, K; Imamura, Y; Kasahara, Y; Konishi, Y; Momono, Y; Murakami, Y; Nishiyama, T; Sakai, D; Yoshida, C, 2023)
"Inflammation has an important physiological influence on mood and behavior."6.90Kynurenine metabolism and inflammation-induced depressed mood: A human experimental study. ( Cho, JH; Eisenberger, NI; Faull, K; Hwang, L; Irwin, MR; Kruse, JL; Olmstead, R, 2019)
"A chronic low-grade inflammation is associated with the aging process, a state called inflammaging."6.82Role of indoleamine 2,3-dioxygenase 1 (IDO1) and kynurenine pathway in the regulation of the aging process. ( Salminen, A, 2022)
"contribute to the development of coronary atherosclerosis and subsequent coronary artery disease."6.72Kynurenine Pathway Metabolites as Potential Clinical Biomarkers in Coronary Artery Disease. ( Berkecz, R; Csont, T; Demján, V; Gáspár, R; Halmi, D; Pipicz, M, 2021)
"Ketamine is a novel rapid-acting antidepressant with high efficacy in treatment-resistant patients."6.72Ketamine's effect on inflammation and kynurenine pathway in depression: A systematic review. ( Kopra, E; Mondelli, V; Nikkheslat, N; Pariante, C, 2021)
"Many patients with cancer suffer from anemia, depression, and an impaired quality of life (QoL)."6.66Inflammation-Induced Tryptophan Breakdown is Related With Anemia, Fatigue, and Depression in Cancer. ( Egger, EM; Fuchs, D; Kink, P; Kurz, K; Lanser, L; Weiss, G; Willenbacher, W, 2020)
"Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common neurodegenerative diseases (NDs), presenting a broad range of symptoms from motor dysfunctions to psychobehavioral manifestations."6.66Exploring the Etiological Links behind Neurodegenerative Diseases: Inflammatory Cytokines and Bioactive Kynurenines. ( Tanaka, M; Toldi, J; Vécsei, L, 2020)
"The pathomechanism of Alzheimer's disease (AD) certainly involves mitochondrial disturbances, glutamate excitotoxicity, and neuroinflammation."6.58Alzheimer's Disease: Recent Concepts on the Relation of Mitochondrial Disturbances, Excitotoxicity, Neuroinflammation, and Kynurenines. ( Klivényi, P; Szalárdy, L; Vécsei, L; Veres, G; Zádori, D, 2018)
"Hence, abdominal obesity is associated with vascular endothelial dysfunction and reduced nitric oxide (NO) availability."6.55The Interactions Between Kynurenine, Folate, Methionine and Pteridine Pathways in Obesity. ( Engin, A; Engin, AB, 2017)
"Some degree of inflammation is required for protection, particularly in mucosal tissues, during the transitional response occurring between the rapid innate and slower adaptive response."6.44IL-17 and therapeutic kynurenines in pathogenic inflammation to fungi. ( De Luca, A; Fallarino, F; Puccetti, P; Romani, L; Zelante, T, 2008)
"The kynurenine pathway (KP) is a major route of L-tryptophan catabolism leading to production of several neurobiologically active molecules."6.43Implications for the kynurenine pathway and quinolinic acid in amyotrophic lateral sclerosis. ( Brew, BJ; Guillemin, GJ; Meininger, V, 2005)
"The kynurenine pathway (KP) has been considered an important player in inflammation and immune response."5.91Kynurenine pathway of tryptophan metabolism in patients with familial Mediterranean fever. ( Gülcemal, S; Hakbilen, S; Körez, MK; Onmaz, DE; Sivrikaya, A; Tezcan, D; Yılmaz, S, 2023)
"Chronic systemic inflammation reduces the bioavailability of circulating endothelial progenitor cells (EPCs)."5.91A tryptophan metabolite prevents depletion of circulating endothelial progenitor cells in systemic low-grade inflammation. ( Bagaglia, F; Bianconi, V; Colangelo, C; Cosentini, E; Cucci, A; Fallarino, F; Figorilli, F; Follenzi, A; Franceschini, L; Fuchs, D; Gargaro, M; Giglioni, F; Mannarino, MR; Manni, G; Mencarelli, G; Padiglioni, E; Pieroni, B; Pirro, M; Puccetti, P; Ricciuti, D; Scalisi, G, 2023)
"Chronic low-grade inflammation is suggested to play a pathophysiological role in bipolar disorder (BD) and its related cognitive dysfunctions."5.72The Role of Kynurenines in Cognitive Dysfunction in Bipolar Disorder. ( Giltay, EJ; Hebbrecht, K; Morrens, M; Sabbe, B; van den Ameele, S; van Nuijs, ALN, 2022)
"In 58 cognitively normal, 396 mild cognitive impairment, and 112 AD participants from the Alzheimer's Disease Neuroimaging Initiative-1 (ADNI1) cohort, serum markers of 5-HT, tryptophan, and Kyn were measured and their relationships investigated with immunologic markers, affect and functional outcomes, CSF markers of beta-amyloid (Aβ) and tau, and regional gray matter."5.62Inflammation, negative affect, and amyloid burden in Alzheimer's disease: Insights from the kynurenine pathway. ( Allenspach, K; Collazo-Martinez, AD; Dantzer, R; Hoth, N; Klinedinst, B; Larsen, B; Le, S; Li, T; Mochel, JP; Pappas, C; Pollpeter, A; Wang, Q; Willette, AA; Willette, SA, 2021)
"Chronic inflammation is associated with physical frailty and functional decline in older adults; however, the molecular mechanisms of this linkage are not understood."5.56Kynurenines link chronic inflammation to functional decline and physical frailty. ( Abadir, PM; Chung, T; de Cabo, R; Ferrucci, L; Hoke, A; Joca, H; Khadeer, M; Le, A; Lovett, J; Moaddel, R; Tian, J; Walston, J; Ward, C; Westbrook, R; Xue, QL; Yang, H, 2020)
"Chronic, low-level inflammation is associated with symptomatic bipolar disorder (BD) and with chronic insomnia."5.48Total sleep time and kynurenine metabolism associated with mood symptom severity in bipolar disorder. ( Can, A; Fuchs, D; Groer, M; Krishnamurthy, VB; Millett, CE; Mukherjee, D; Postolache, TT; Reider, A; Saunders, EFH, 2018)
" Pro-inflammatory cytokines from persistent low-grade inflammation not only contribute to the development of chronic pain conditions, but also regulate various aspects of the tryptophan metabolism, especially that of the kynurenine pathway (KP)."5.41Glucocorticoid Hormones as Modulators of the Kynurenine Pathway in Chronic Pain Conditions. ( Jovanovic, F; Jovanovic, V; Knezevic, NN, 2023)
"In this narrative review, we examine the association between gut dysbiosis, neuroinflammation, and stress-linked disorders, including depression, anxiety, and post-traumatic stress disorder (PTSD), and investigate whether tryptophan (TRP) metabolism and platelets play a role in this association."5.41Platelets bridging the gap between gut dysbiosis and neuroinflammation in stress-linked disorders: A narrative review. ( Hemmings, SMJ; Malan-Muller, S; Pretorius, E; Rust, C; Seedat, S; Tonge, D; van den Heuvel, LL, 2023)
"To determine whether functional vitamin B-6 insufficiency occurs in OC users and is attributable to OCs, we investigated the associations of PLP with metabolites of one-carbon metabolism, tryptophan catabolism, and inflammation in OC users, and evaluated the effects of OCs on these metabolites."5.20Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o ( Chi, YY; Coats, B; Gregory, JF; Midttun, Ø; Rios-Avila, L; Stacpoole, PW; Ueland, PM, 2015)
"Amelioration of both oxidative and inflammation status after cholesterol lowering treatment in CKD might be mediated by restoration of antioxidant taurine concentrations during therapy (from 51."5.20Impact of cholesterol lowering treatment on plasma kynurenine and tryptophan concentrations in chronic kidney disease: relationship with oxidative stress improvement. ( Carru, C; Mangoni, AA; Sanna, M; Satta, AE; Sotgia, S; Zinellu, A, 2015)
" Depression could result from changes in tryptophan availability caused by activation of the kynurenine pathway as a result of inflammation."5.14Kynurenine metabolites and inflammation markers in depressed patients treated with fluoxetine or counselling. ( Bridel, MA; Christofides, J; Cowlard, R; Darlington, LG; Forrest, CM; Mackay, GM; Mitchell, S; Stone, TW, 2009)
" In this review, we highlight these pathways as sources of serotonin and melatonin, which then regulate neurotransmission, influence circadian rhythm, cognitive functions, and the development of delirium."5.12Tryptophan: A Unique Role in the Critically Ill. ( Kanova, M; Kohout, P, 2021)
" The ratios of tryptophan to kynurenine, mainly mediated by indoleamine 2,3-dioxygenase activity, is a key parameter in the inflammation as well as immunomodulation of both aseptic and septic diseases."5.12Latest developments in tryptophan metabolism: Understanding its role in B cell immunity. ( Beji, C; Dagenais-Lussier, X; Loucif, H; Routy, JP; Telittchenko, R; van Grevenynghe, J, 2021)
"Tryptophan catabolites (TRYCATs) are implicated in the pathophysiology of mood disorders by mediating immune-inflammation and neurodegenerative processes."5.12Tryptophan Catabolites in Bipolar Disorder: A Meta-Analysis. ( Coppens, V; De Picker, L; Giltay, EJ; Hebbrecht, K; Morrens, M; Skorobogatov, K, 2021)
" A series of metabolites of the pathway are neurologically active, among which kynerunic acid (KYNA) and quinolinic acid (QUIN) are molecules of great interest in recent studies on the mechanisms of inflammation-induced depression."5.12Tryptophan-kynurenine metabolism: a link between the gut and brain for depression in inflammatory bowel disease. ( Bao, CH; Chen, LM; Huang, Y; Liang, SH; Liu, HR; Wang, D; Wu, HG; Wu, LY; Wu, Y, 2021)
" We review the literature concerning SARS-CoV2 infiltration and infection in the CNS and the prospects of synergy between stress, inflammation, and kynurenine pathway function during illness and recovery from Covid-19."5.12Covid-19 interface with drug misuse and substance use disorders. ( Cisneros, IE; Cunningham, KA, 2021)
"There is now some evidence that i) the availability of plasma tryptophan, the precursor of serotonin, is significantly lower in pregnant women at the end of term and the first few days after delivery than in nonpregnant women; and ii) both pregnancy and the early puerperium are accompanied by activation of the inflammatory response system."5.10Depressive and anxiety symptoms in the early puerperium are related to increased degradation of tryptophan into kynurenine, a phenomenon which is related to immune activation. ( Bonaccorso, S; Bosmans, E; Maes, M; Ombelet, W; Scharpé, S; Verkerk, R, 2002)
"The tryptophan metabolite kynurenine increases with aging and inflammation, and appears to contribute directly to the development and progression of several age-related conditions."5.05Kynurenine signaling through the aryl hydrocarbon receptor: Implications for aging and healthspan. ( Hamrick, MW; Kaiser, H; Parker, E, 2020)
"In the last decade, there has been growing evidence that an interaction exists between inflammation and the kynurenine pathway in schizophrenia."5.05Effects of inflammation on the kynurenine pathway in schizophrenia - a systematic review. ( Elyamany, O; Mulert, C; Pedraz-Petrozzi, B; Rummel, C, 2020)
" Recent research suggests that gut inflammation can induce neuroinflammation which, in turn, stimulates microglia activation and the kynurenine pathway and can activate systemic inflammation-inducing depressive symptoms."5.01Microbiome and Mental Health, Specifically as It Relates to Adolescents. ( Simkin, DR, 2019)
" In particular, the activation of the kynurenine pathway of tryptophan degradation due to inflammation may play a key role in the development and persistence of both diseases."5.01Inflammation in cancer and depression: a starring role for the kynurenine pathway. ( Mondelli, V; Nettis, MA; Pariante, CM; Sforzini, L, 2019)
" However, other pathophysiological features of the disease have emerged including neuroinflammation and dysregulation of the kynurenine pathway (KP)."5.01Microbiota Alterations in Alzheimer's Disease: Involvement of the Kynurenine Pathway and Inflammation. ( Garcez, ML; Guillemin, GJ; Jacobs, KR, 2019)
"Recently, neuroinflammation and the immune-kynurenine pathway have received increased attention in the psychoimmunology field of major depressive disorder (MDD), while studies related to anxiety disorders have been very limited."4.98Neuroinflammation and the Immune-Kynurenine Pathway in Anxiety Disorders. ( Jeon, SW; Kim, YK, 2018)
"Inflammation is not the only cause of depression and cannot explain its entire pathophysiology, but it is an important pathogenic factor that explains one possible mechanism of depression, with the kynurenine (KYN) pathway of tryptophan at its center."4.95Inflammation-induced depression: Its pathophysiology and therapeutic implications. ( Jeon, SW; Kim, YK, 2017)
"The aim of this paper is to elucidate the role of oxidative and nitrosative stress as well as the tryptophan catabolites pathway in the development of depression and the mechanism of action of antidepressant drugs, based on the available literature."4.95Oxidative and Nitrosative Stress as Well as the Tryptophan Catabolites Pathway in Depressive Disorders. ( Czarny, P; Galecki, P; Sliwinski, T; Wigner, P, 2017)
" The aim of this article is to present results of contemporary research studies over mutual connections between social cognition, cognitive processes and inflammatory factors significant for the aetiology of recurrent depressive disorders, with particular reference to the role of kynurenine pathways."4.93Cognition and Emotions in Recurrent Depressive Disorders - The Role of Inflammation and the Kynurenine Pathway. ( Galecki, P; Talarowska, M, 2016)
"Tryptophan metabolism is critical for cell proliferation, inflammation and immunoregulation."4.91The potential of targeting indoleamine 2,3-dioxygenase for cancer treatment. ( Becker, K; Fuchs, D; Gostner, JM; Überall, F, 2015)
"Future research on the cerebral cell-type specific distribution of kynurenine metabolites and their brain-regional concentration imbalances will be required to connect peripheral immune changes, the hypotheses of blood-brain barrier dysfunction and glial pathology with concepts of altered neurotransmission in schizophrenia and major depression."4.88Bridging the gap between the immune and glutamate hypotheses of schizophrenia and major depression: Potential role of glial NMDA receptor modulators and impaired blood-brain barrier integrity. ( Bernstein, HG; Bogerts, B; Gos, T; Myint, AM; Sarnyai, Z; Steiner, J; Walter, M, 2012)
"There was a significant accumulation of kynurenine and kynurenic acid (KYNA) in children and adults with ADPKD as compared to healthy subjects."4.31Kynurenines in polycystic kidney disease. ( Cadnapaphornchai, MA; Chonchol, M; Christians, U; Gitomer, BY; Hopp, K; Jackson, MJ; Klawitter, J; Smith, PH, 2023)
"BACKGROUNDThe kynurenine pathway (KP) has been identified as a potential mediator linking acute illness to cognitive dysfunction by generating neuroactive metabolites in response to inflammation."4.31Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients. ( Fang, EF; Figved, W; Frihagen, F; Giil, LM; Godø, A; Halaas, NB; Hassel, B; Henjum, K; Idland, AV; Knapskog, AB; McCann, A; Myrstad, M; Neerland, BE; Pollmann, CT; Quist-Paulsen, E; Raeder, J; Selbæk, G; Ueland, PM; Watne, LO; Zetterberg, H, 2023)
"This work aimed to characterize the kynurenine pathway, activated during interferon-γ (IFN-γ)-mediated inflammation and cellular (T-helper type 1 [Th1] type) immunity, in GD patients with and without thyroid eye disease (TED)."4.31Systemic Activation of the Kynurenine Pathway in Graves Disease With and Without Ophthalmopathy. ( Breivik, LE; Husebye, E; Løvås, K; Nilsen, RM; Rødahl, E; Stokland, AM; Ueland, GÅ; Ueland, HO; Ulvik, A; Wolff, ASB, 2023)
"Circulating concentrations of metabolites (collectively called kynurenines) in the kynurenine pathway of tryptophan metabolism increase during inflammation, particularly in response to interferon-gamma (IFN-γ)."4.31A cross-sectional study of inflammatory markers as determinants of circulating kynurenines in the Lung Cancer Cohort Consortium. ( Arslan, AA; Behndig, AF; Brennan, P; Cai, Q; Chen, C; Chen, Y; Fanidi, A; Freedman, ND; Gaziano, JM; Giles, GG; Huang, WY; Johansson, M; Koh, WP; Langhammer, A; Le Marchand, L; Manjer, J; Meyer, K; Midttun, Ø; Prentice, R; Robbins, HA; Sandsveden, M; Sesso, HD; Shu, XO; Stevens, VL; Sørgjerd, EP; Ueland, PM; Ulvik, A; Visvanathan, K; Wang, Y; Weinstein, SJ; Yuan, JM; Zahed, H; Zhang, X; Zheng, W, 2023)
" Studies have shown that both stress and MDD, especially the more severe conditions of the disorder, are associated with inflammation and neuroinflammation and the relationship to an imbalance in tryptophan metabolism towards the kynurenine pathway (KP) through the enzymes indoleamine-2,3-dioxygenase (IDO), which is mainly stimulated by pro-inflammatory cytokines and tryptophan-2,3-dioxygenase (TDO) which is activated primarily by glucocorticoids."4.31Stress and Kynurenine-Inflammation Pathway in Major Depressive Disorder. ( Bertollo, AG; de Oliveira, T; Ignácio, ZM; Mingoti, MED, 2023)
"There were statistically significant increases of CSF neopterin, kynurenine, quinolinic acid and kynurenine/tryptophan ratio (KYN/TRP) in the inflammation group compared to all control groups (all p < 0."4.31CSF neopterin, quinolinic acid and kynurenine/tryptophan ratio are biomarkers of active neuroinflammation. ( Andrews, PI; Antony, J; Ardern-Holmes, S; Bandodkar, S; Chung, J; Dale, RC; Farrar, MA; Gill, D; Guillemin, GJ; Guller, A; Gupta, S; Han, VX; Heng, B; Jones, HF; Kandula, T; Keating, BA; Kothur, K; Menezes, MP; Mohammad, S; Patel, S; Pillai, SC; Sampaio, H; Tantsis, E; Troedson, C; Webster, R; Yan, J, 2023)
" In addition to hsCRP, Kynurenine seems to be a reliable biomarker to monitor acute and regenerative inflammation status of alloSCT patients, while Musclin and Galectin-3 may be added to physiological assessment regarding myopathy and sarcopenia."4.31Monitoring of strength, inflammation and muscle function in allogenic stem-cell transplantation patients - a pilot study for novel biomarker and risk stratification determination. ( Bizjak, DA; Bunjes, D; John, L; Kirsten, J; Moebes, E; Sala, E; Schulz, SVW; Steinacker, JM; Wais, V, 2023)
"Kynurenine monooxygenase (KMO) blockade protects against multiple organ failure caused by acute pancreatitis (AP), but the link between KMO and systemic inflammation has eluded discovery until now."4.31Kynurenine monooxygenase regulates inflammation during critical illness and recovery in experimental acute pancreatitis. ( Baillie, JK; Baily, J; Binnie, M; Bochkina, NA; Garden, OJ; Hayes, AJ; Homer, NZM; Howie, SEM; Iredale, JP; Just, G; Liddle, J; McGuire, K; Mole, DJ; Murray, TBJ; Neyton, LPA; O'Kelly, J; Skouras, C; Uings, I; Webster, SP; Zheng, X, 2023)
" The kynurenine and catecholamine metabolic pathways are modulated by inflammation and can affect systemic levels of serotonin and dopamine."4.31The effect of inflammation, SARS-CoV-2 infection, age and mental health on serotonin, and kynurenine and catecholamine pathway metabolites. ( Bruckner, T; Deisenhammer, EA; Egeter, J; Galffy, M; Giesinger, JM; Gostner, JM; Holzner, B; Hüfner, K; Lehmann, J; Nelles, P; Oberhammer, M; Rockenschaub, J; Sacher, M; Sperner-Unterweger, B; Tymoszuk, P; Vedova, S, 2023)
"The aim of this study was to identify the effects of smoking and periodontal inflammation on tryptophan-kynurenine metabolism as well as the correlation between these findings and clinical periodontal parameters."4.31Does smoking influence tryptophan metabolism in periodontal inflammation? A cross-sectional study. ( Akdoğan, N; Balci, N; Günhan, M; Kurgan, Ş; Önder, C; Serdar, CC; Serdar, MA, 2023)
"Depression can be associated with chronic systemic inflammation, and production of peripheral proinflammatory cytokines and upregulation of the kynurenine pathway have been implicated in pathogenesis of depression."4.31Inhibition of STAT-mediated cytokine responses to chemically-induced colitis prevents inflammation-associated neurobehavioral impairments. ( Bibb, JA; Chakraborti, A; Funakoshi, H; Kanai, M; Kawahara, Y; Kuroiwa, M; Murakami, Y; Nishi, A; Ohnishi, YN; Shuto, T; Sin, R; Sotogaku, N; Sugiyama, K, 2023)
"This study analyzed the difference in serum metabolic profiles between patients with severe pneumonia and health individuals through metabolomics, aiming to uncover the correlation between the Tryptophan-Kynurenine pathway and the severity of severe pneumonia, as well as N-3/N-6 polyunsaturated fatty acids (PUFAs)."4.31Correlation between immune-related Tryptophan-Kynurenine pathway and severity of severe pneumonia and inflammation-related polyunsaturated fatty acids. ( Gan, H; Guo, B; Liao, Y; Lin, R; Liu, M; Lyu, J; Sun, B; Xue, M; Zhang, T; Zheng, P, 2023)
"Abnormal kynurenine (Kyn) metabolism has been closely linked to the pathogenesis of rheumatoid arthritis (RA)."4.12Tryptophan 2,3-dioxygenase 2 plays a key role in regulating the activation of fibroblast-like synoviocytes in autoimmune arthritis. ( Chang, Y; Han, P; Jia, C; Li, S; Wang, X; Wang, Y; Wei, W; Yang, X; Zhang, B; Zhao, Y, 2022)
"GM changes accompanying pregnancy shift IDO1-dependent tryptophan metabolism toward kynurenine production, intestinal inflammation, and gestational IR, a phenotype reversed by genetic deletion or inhibition of IDO1."4.12Gestational Insulin Resistance Is Mediated by the Gut Microbiome-Indoleamine 2,3-Dioxygenase Axis. ( Allard, S; Bernabe, BP; Chlipala, GE; Dai, Y; Garcia, MS; Gilbert, J; Gill, RK; Khan, MW; Layden, BT; Lednovich, K; Maki, PM; Manzella, CR; Navarro, G; Perdew, GH; Priyadarshini, M; Reiman, DJ; Sharma, A; Szynal, B; Wicksteed, B; Xu, K, 2022)
"An inflammation panel of 13 metabolites (neopterin, tryptophan, kynurenine, kynurenic acid, 3-hydroxykynurenine, xanthurenic acid, anthranilic acid, 3-hydroxyanthranilic acid, quinolinic acid, picolinic acid, arginine, citrulline and methylhistamine) was measured based on a simple precipitation and filtration method using minimal CSF volume."4.12Development of a translational inflammation panel for the quantification of cerebrospinal fluid Pterin, Tryptophan-Kynurenine and Nitric oxide pathway metabolites. ( Bandodkar, S; Dale, RC; Guillemin, GJ; Han, VX; Heng, B; Yan, J, 2022)
"Our results suggest that periodontal inflammation plays a role in local and systemic tryptophan-kynurenine metabolism."4.12Influence of periodontal inflammation on tryptophan-kynurenine metabolism: a cross-sectional study. ( Akdoğan, N; Altıngöz, SM; Balcı, N; Günhan, M; Kurgan, Ş; Önder, C; Serdar, MA, 2022)
"The kynurenine pathway (KP) and inflammation are substantial in depression pathogenesis."4.12A kynurenine pathway enzyme aminocarboxymuconate-semialdehyde decarboxylase may be involved in treatment-resistant depression, and baseline inflammation status of patients predicts treatment response: a pilot study. ( Aslan, S; Bolu, A; Bozkurt, A; Bukan, N; Cevik, C; Cicek, S; Ekmekci Ertek, I; Karadag, RF; Kocak, C; Sen, B; Ucar, H; Yilmaz, NS, 2022)
"Inflammation and glutamate (GLU) are widely thought to participate in the pathogenesis of depression, and current evidence suggests that the development of depression is associated with the activation of the kynurenine pathway (KP)."4.12Involvement of kynurenine pathway between inflammation and glutamate in the underlying etiopathology of CUMS-induced depression mouse model. ( Chen, B; Di, Z; Guo, Q; Hu, R; Jiang, S; Liu, J; Ma, R; Shi, M; Song, Z; Sun, S; Wu, X; Xu, H, 2022)
"Thirty-four blood markers relating to inflammation, B vitamin status, and the kynurenine pathway were measured in 976 participants in the Melbourne Collaborative Cohort Study at baseline (median age = 59 years) and follow-up (median age = 70 years)."4.12Association of Markers of Inflammation, the Kynurenine Pathway and B Vitamins with Age and Mortality, and a Signature of Inflammaging. ( Dugué, PA; English, DR; Flicker, L; Giles, GG; Hodge, AM; Li, SX; MacInnis, RJ; Meyer, K; Midttun, Ø; Milne, RL; Navionis, AS; Rinaldi, S; Severi, G; Southey, MC; Tell, GS; Ueland, PM; Ulvik, A; Vineis, P, 2022)
"Tryptophan catabolites ("TRYCATs") produced by the kynurenine pathway (KP) may play a role in depression pathophysiology."4.02The association between plasma tryptophan catabolites and depression: The role of symptom profiles and inflammation. ( Allers, KA; Beekman, ATF; Giltay, EJ; Keller, S; Milaneschi, Y; Niessen, HG; Penninx, BWJH; Schoevers, RA; Süssmuth, SD, 2021)
"Mania and chronic depressive symptoms in BD are accompanied by a strong interaction between inflammation and a potentially neurotoxic kynurenine metabolism."3.96A mood state-specific interaction between kynurenine metabolism and inflammation is present in bipolar disorder. ( Coppens, V; de Boer, P; Fransen, E; Lai, FY; Morrens, M; Sabbe, B; Schuermans, J; Timmers, M; van den Ameele, S; van Diermen, L; van Nuijs, AL; Verkerk, R, 2020)
" We investigated associations between abdominal adipose tissue, alterations in kynurenine pathway of tryptophan metabolism, and systemic inflammation in people with HIV (PWH)."3.96Abdominal Adipose Tissue Is Associated With Alterations in Tryptophan-Kynurenine Metabolism and Markers of Systemic Inflammation in People With Human Immunodeficiency Virus. ( Gelpi, M; Lebech, AM; Lundgren, J; Midttun, Ø; Mocroft, A; Nielsen, SD; Trøseid, M; Ueland, PM; Ullum, H, 2020)
"Kynurenine pathway (KP) metabolites are believed to be a link between inflammation and depression through effects on brain glutamate receptors."3.96Associations among peripheral and central kynurenine pathway metabolites and inflammation in depression. ( Baer, W; Felger, JC; Goldsmith, DR; Haroon, E; Miller, AH; Patel, T; Welle, JR; Woolwine, BJ, 2020)
" Evidence has suggested that the activation of indoleamine-2,3-dioxygenase (IDO), the rate-limiting enzyme in the kynurenine pathway (KP), plays a crucial role in inflammation-related diseases."3.96Involvement of Indoleamine-2,3-Dioxygenase and Kynurenine Pathway in Experimental Autoimmune Encephalomyelitis in Mice. ( Boeira, SP; Cattelan Souza, L; Giacomeli, R; Jesse, CR; Prigol, M; Silva, MRP; Zarzecki, MS, 2020)
" We investigated the associations for circulating levels of tryptophan, kynurenine, kynurenine:tryptophan ratio (KTR), quinolinic acid (QA) and neopterin as markers of immune regulation and inflammation with lung cancer risk in 5,364 smoking-matched case-control pairs from 20 prospective cohorts included in the international Lung Cancer Cohort Consortium."3.96Circulating markers of cellular immune activation in prediagnostic blood sample and lung cancer risk in the Lung Cancer Cohort Consortium (LC3). ( Albanes, D; Alcala, K; Arslan, AA; Blot, WJ; Brennan, P; Buring, JE; Cai, Q; Caporaso, NE; Fanidi, A; Freedman, ND; Gao, YT; Gaziano, JM; Giles, GG; Grankvist, K; Haiman, CA; Han, J; Hodge, AM; Huang, JY; Hveem, K; Johansson, M; Koh, WP; Lan, Q; Langhammer, A; Larose, TL; Le Marchand, L; Lee, IM; Li, HL; Luu, HN; Manjer, J; Midttun, Ø; Pettinger, M; Prentice, RL; Purdue, MP; Relton, C; Sesso, HD; Severi, G; Shu, XO; Stampfer, MJ; Stevens, VL; Thomson, CA; Ueland, PM; Ulvi, A; Visvanathan, K; Wang, R; Weinstein, SJ; Wilkens, LR; Wu, J; Xiang, YB; Yuan, JM; Zeleniuch-Jacquotte, A; Zhang, X; Zheng, W; Ziegler, RG, 2020)
" The aim of the present study was to analyze gut microbiota composition in bipolar disorder (BD) and its relation to inflammation, serum lipids, oxidative stress, tryptophan (TRP)/kynurenine (KYN) levels, anthropometric measurements and parameters of metabolic syndrome."3.91A step ahead: Exploring the gut microbiota in inpatients with bipolar disorder during a depressive episode. ( Bengesser, S; Birner, A; Dalkner, N; Fellendorf, F; Gorkiewicz, G; Halwachs, B; Holl, AK; Holzer, P; Kapfhammer, HP; Kashofer, K; Moll, N; Mörkl, S; Painold, A; Platzer, M; Queissner, R; Reininghaus, EZ; Schütze, G; Schwarz, MJ, 2019)
"In participants with intermediate-stage AMD at enrollment in the Longitudinal Study of the Ocular Complications of AIDS (LSOCA) and 2:1 controls matched for age and sex, cryopreserved baseline plasma specimens were assayed for biomarkers of inflammation, including high-sensitivity C-reactive protein (CRP), interleukin (IL)-6, interferon-γ inducible protein (IP)-10, soluble CD14 (sCD14), soluble CD163 (sCD163), kynurenine/tryptophan (KT) ratio, and intestinal fatty acid binding protein (I-FABP)."3.91Association of Age-related Macular Degeneration With Mortality in Patients With Acquired Immunodeficiency Syndrome; Role of Systemic Inflammation. ( Cheu, R; Danis, RP; Hunt, PW; Jabs, DA; Jones, NG; Klatt, NR; Milush, JM; Trang, G; Van Natta, ML, 2019)
"Tryptophan, its downstream metabolites in the kynurenine pathway and neopterin have been associated with inflammation and dementia."3.91The kynurenine pathway and cognitive performance in community-dwelling older adults. The Hordaland Health Study. ( Aarsland, D; Giil, LM; McCann, A; Meyer, K; Midttun, Ø; Nordrehaug, JE; Nygård, O; Refsum, H; Smith, AD; Solvang, SH; Tell, GS; Ueland, PM; Vedeler, CA, 2019)
"We measured concentrations of kynurenine (Kyn) and tryptophan (Trp) in 221 cerebrospinal fluid samples from patients with bacterial and viral (due to herpes simplex, varicella zoster, and enteroviruses) meningitis/encephalitis, neuroborreliosis, autoimmune neuroinflammation (due to anti-N-methyl-D-aspartate receptor [NMDA] encephalitis and multiple sclerosis), and noninflamed controls (ie, individuals with Bell palsy, normal pressure hydrocephalus, or Tourette syndrome)."3.91Kynurenine Is a Cerebrospinal Fluid Biomarker for Bacterial and Viral Central Nervous System Infections. ( Kaever, V; Kuhn, M; Müller-Vahl, K; Novoselova, N; Pessler, F; Seegers, L; Skripuletz, T; Stangel, M; Sühs, KW; Trebst, C, 2019)
" Tryptophan (TRP) metabolism has attracted considerable attention due to its influence on the onset of depression via induction of inflammation."3.91Changes in tryptophan metabolism during pregnancy and postpartum periods: Potential involvement in postpartum depressive symptoms. ( Kubo, H; Morikawa, M; Mouri, A; Nabeshima, T; Nakamura, Y; Okada, T; Ozaki, N; Saito, K; Shiino, T; Teshigawara, T; Yamamoto, Y, 2019)
"To evaluate relationships among obesity in pregnancy and plasma levels of tryptophan (TRP) and kynurenine (KYN), inflammatory markers, and depressed mood."3.88Associations Among Obesity, Inflammation, and Tryptophan Catabolism in Pregnancy. ( D'Agata, A; Duffy, A; Fuchs, D; Groer, M; Louis-Jacques, A; Postolache, TT, 2018)
"In patients with obesity subjected to bariatric surgery, levels of 3-hydroxykynurenine and 3-hydroxyanthranilic acid seemed to be positively correlated to impaired glucose tolerance."3.88Inflammatory markers, the tryptophan-kynurenine pathway, and vitamin B status after bariatric surgery. ( Andersen, JR; Christensen, MHE; Fadnes, DJ; Mellgren, G; Midttun, Ø; Nygård, OK; Pedersen, ER; Røst, TH; Ueland, PM; Ulvik, A; Våge, V, 2018)
"Chronic stress or inflammation increases tryptophan metabolism along the kynurenine pathway (KP), and the generation of neuroactive kynurenine metabolites contributes to subsequent depressive-like behaviors."3.88Kynurenine pathway metabolic balance influences microglia activity: Targeting kynurenine monooxygenase to dampen neuroinflammation. ( Delgado, J; Garrison, AM; O'Connor, JC; Parrott, JM; Redus, L; Tuñon, A, 2018)
"In both cohorts, inflammation as measured by higher levels of CRP, sVCAM1 and sICAM1 was associated with kynurenine/tryptophan ratio and thus enhanced tryptophan breakdown (beta: 0."3.88Psychosocial stress and inflammation driving tryptophan breakdown in children and adolescents: A cross-sectional analysis of two cohorts. ( Carvalho, LA; Clarke, G; Díaz, LE; Gómez-Martínez, S; Marcos, A; Michels, N; Olavarria-Ramirez, L; Widhalm, K, 2018)
" Inflammation induces tryptophan metabolism along the kynurenine pathway (KP) and yields immunologically relevant metabolites."3.88Tryptophan Metabolism through the Kynurenine Pathway is Associated with Endoscopic Inflammation in Ulcerative Colitis. ( Bissonnette, M; Ciorba, MA; Guillemin, GJ; Lim, CK; Meckel, K; Pekow, JR; Sofia, MA; Weber, CR, 2018)
"Patients who were symptomatic had the highest depression and anxiety scores, together with increased intestinal expression of IL-1β, IL-6 and matrix metalloproteinase-9, increased circulating IL-6 and CRP, and an increased circulating kynurenine:tryptophan ratio."3.85Association between psychological measures with inflammatory anddisease-related markers of inflammatory bowel disease. ( Abautret-Daly, Á; Connor, TJ; de Francisco-García, R; Dempsey, E; Harkin, A; Medina, C; Parra-Blanco, A; Riestra, S; Rodrigo, L, 2017)
" Depression is hypothesized to be causally associated with an imbalance in the kynurenine pathway, with an increased metabolism down the 3-hydroxykynurenine (3HK) branch of the pathway leading to increased levels of the neurotoxic metabolite, quinolinic acid (QA), which is a putative N-methyl-d-aspartate (NMDA) receptor agonist."3.85Serum kynurenic acid is reduced in affective psychosis. ( Bliss, SA; Dantzer, R; Drevets, WC; Ford, BN; McMillin, JR; Morris, HM; Savitz, JB; Suzuki, H; Teague, TK; Wurfel, BE, 2017)
" The aim of this study was to investigate the changes of inflammation markers with chronic Pb exposure by analyzing neopterin levels and kynurenine (Kyn) to tryptophan (Trp) ratio that reflects indolamine 2,3-dioxygenase activity and to compare with healthy volunteers' parameters."3.85Possible changes of New-Generation inflammation markers with occupational lead exposure. ( Baydar, T; Girgin, G; Palabiyik, SS; Sipahi, H; Tutkun, E; Yilmaz, OH, 2017)
"We aimed to evaluate 10 biomarkers related to inflammation and the kynurenine pathway, including neopterin, kynurenine:tryptophan ratio, C-reactive protein, tryptophan, and 6 kynurenines, as potential predictors of all-cause and cause-specific mortality in a general population sample."3.83Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality: The Hordaland Health Study. ( Eussen, SJ; Meyer, K; Midttun, Ø; Nygård, O; Tell, GS; Theofylaktopoulou, D; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H, 2016)
" Increasing evidence has been proposed the activation of the tryptophan-degrading indoleamine-2,3-dyoxigenase (IDO), the rate-limiting enzyme of kynurerine pathway (KP), as a pathogenic factor of amyloid-beta (Aβ)-related inflammation in AD."3.83Indoleamine-2,3-dioxygenase mediates neurobehavioral alterations induced by an intracerebroventricular injection of amyloid-β1-42 peptide in mice. ( Antunes, MS; Boeira, SP; de Oliveira Espinosa, D; Donato, F; Giacomeli, R; Gomes, NS; Jesse, CR; Ruff, JR; Souza, LC, 2016)
"Inflammatory proteins are thought to be causally involved in the generation of aggression, possibly due to direct effects of cytokines in the central nervous system and/or by generation of inflammatory metabolites along the tryptophan-kynurenine (TRP/KYN) pathway, including KYN and its active metabolites kynurenic acid (KA), quinolinic acid (QA), and picolinic acid (PA)."3.83Tryptophan, kynurenine, and kynurenine metabolites: Relationship to lifetime aggression and inflammatory markers in human subjects. ( Brundin, L; Christensen, K; Coccaro, EF; Coussons-Read, M; Erhardt, S; Fanning, JR; Fuchs, D; Goiny, M; Lee, R, 2016)
" Plasma MED concentrations, inflammation and oxidative stress indices [Kynurenine/Tryptophan (Kyn/Trp) ratio, malondialdehyde (MDA) and allantoin/uric acid (All/UA) ratio] were measured in 30 CKD patients randomized to three cholesterol lowering regimens for 12 months (simvastatin 40mg/day, ezetimibe/simvastatin 10/20mg/day, or ezetimibe/simvastatin 10/40mg/day)."3.83Effect of cholesterol lowering treatment on plasma markers of endothelial dysfunction in chronic kidney disease. ( Carru, C; Ena, S; Mangoni, AA; Satta, AE; Sotgia, S; Sotgiu, E; Zinellu, A, 2016)
"Healthy young adults (n = 737) aged 18-28 y without any known diseases or clinical evidence of inflammation provided blood samples for analysis of serum tryptophan/kynurenine metabolites, neopterin, C-reactive protein (CRP), and plasma pyridoxal 5'-phosphate (PLP) with LC-tandem mass spectrometry methodologies."3.83Serum Immune System Biomarkers Neopterin and Interleukin-10 Are Strongly Related to Tryptophan Metabolism in Healthy Young Adults. ( Brody, LC; Deac, OM; Fan, R; Gardiner, CM; Lu, Z; McCann, A; Meyer, K; Midttun, Ø; Mills, JL; Molloy, AM; Quinn, L; Shane, B; Ueland, PM, 2016)
"The kynurenine pathway of tryptophan metabolism has an important role in mediating the behavioral effects of inflammation, which has implications in understanding neuropsychiatric comorbidity and for the development of novel therapies."3.83Neurotoxic kynurenine metabolism is increased in the dorsal hippocampus and drives distinct depressive behaviors during inflammation. ( Gao, X; Morales, J; O'Connor, JC; Parrott, JM; Redus, L; Santana-Coelho, D, 2016)
"Several studies have suggested that induced tryptophan (TRP) degradation through the kynurenine (KYN) pathway by the enzyme indoleamine 2,3-dioxygenase (IDO) is implicated in the relation between depression and inflammation."3.80Does tryptophan degradation along the kynurenine pathway mediate the association between pro-inflammatory immune activity and depressive symptoms? ( de Jonge, P; Doornbos, B; Duivis, HE; Kema, IP; Nolen, WA; Penninx, BW; Quak, J; Roest, AM; Vogelzangs, N, 2014)
" Activation of the kynurenine (KYN) pathway (KP) has been reported in various neurological diseases as a consequence of inflammation."3.80The kynurenine pathway is involved in bacterial meningitis. ( Agnez-Lima, LF; Bellac, CL; Christen, S; Coutinho, LG; Fontes, FL; Grandgirard, D; Leib, SL; Souza, FR, 2014)
"Circulating neopterin and kynurenine/tryptophan ratio (KTR) increase during inflammation and serve as markers of cellular immune activation, but data are sparse on other determinants of these markers and metabolites of the kynurenine pathway."3.79A community-based study on determinants of circulating markers of cellular immune activation and kynurenines: the Hordaland Health Study. ( Eussen, SJ; Midttun, Ø; Nygård, O; Tell, GS; Theofylaktopoulou, D; Ueland, PM; Ulvik, A; Vollset, SE, 2013)
" The current study investigated associations between fatigue, depression and inflammatory cytokine (IFN-γ, IL-6, TNF-α) and CRP concentrations, as well as kynurenine pathway (KP) activation, in 61 breast cancer patients prior to chemotherapy."3.79C-reactive protein predicts fatigue independently of depression in breast cancer patients prior to chemotherapy. ( Boyle, NT; Collier, S; Connor, TJ; Harkin, A; Hevey, D; Hughes, MM; Kennedy, MJ; O'Dwyer, AM; Pertl, MM, 2013)
"A negative association between systemic markers of inflammation and plasma vitamin B-6 has been observed in population-based and patient cohorts; however, vitamin B-6 (pyridoxine) treatment has mostly failed to improve inflammatory indexes."3.78Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris. ( Midttun, Ø; Nygård, O; Pedersen, ER; Ueland, PM; Ulvik, A, 2012)
" In contrast, resolution of inflammation coincided with the decreased concentration of tryptophan and accumulation of its catabolites: kynurenine, anthranilic acid, and 3-hydroxyanthranilic acid in lymph nodes but not in the spleen."3.78An exploratory study of the interplay between decreased concentration of tryptophan, accumulation of kynurenines, and inflammatory arthritis. ( Kolodziej, L, 2012)
"This review of literature and our data suggests that up-regulated production of interferon-gamma (IFNG) in periphery and brain triggers a merger of tryptophan (TRY)-kynurenine (KYN) and guanine-tetrahydrobiopterin (BH4) metabolic pathways into inflammation cascade involved in aging and aging-associated medical and psychiatric disorders (AAMPD) (metabolic syndrome, depression, vascular cognitive impairment)."3.77Interferon-gamma-inducible kynurenines/pteridines inflammation cascade: implications for aging and aging-associated psychiatric and medical disorders. ( Oxenkrug, GF, 2011)
" In plasma from 3035 patients undergoing coronary angiography for suspected coronary heart disease, we investigated if plasma concentrations of any metabolites in the kynurenine pathway, which depend on PLP as cofactor, may serve as metabolic marker(s) of vitamin B-6 status."3.77Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation. ( Bleie, O; Ebbing, M; Midttun, O; Nilsen, RM; Nygård, O; Ringdal Pedersen, E; Schartum-Hansen, H; Ueland, PM; Ulvik, A, 2011)
"Patients (n = 16) with septic shock had indoleamine 2,3-dioxygenase activity assessed as the kynurenine-to-tryptophan ratio, and the severity of hypotension was determined by their inotrope requirements."3.77Tryptophan metabolism to kynurenine is a potential novel contributor to hypotension in human sepsis. ( Celermajer, DS; Changsirivathanathamrong, D; dos Remedios, CG; Duflou, J; Gebski, V; Maghzal, GJ; Mak, WM; Rajbhandari, D; Stocker, R; Wang, Y; Woolfe, C, 2011)
" As such surgery is associated with signs of inflammation and pro-inflammatory mediators activate tryptophan oxidation to neuroactive kynurenines which modulate NMDA receptor function and oxidative stress, we have measured blood concentrations of kynurenines and inflammatory markers in 28 patients undergoing coronary arterial graft surgery and, for comparison, 28 patients undergoing non-bypass thoracic surgery."3.77Kynurenine metabolism predicts cognitive function in patients following cardiac bypass and thoracic surgery. ( Darlington, LG; Forrest, CM; Higgins, MJ; Mackay, GM; Millar, K; Oxford, L; Stone, TW, 2011)
" The kynurenine pathway (KP), activated during neuroinflammation, is emerging as a possible contributory factor in ALS."3.76The kynurenine pathway and inflammation in amyotrophic lateral sclerosis. ( Brew, BJ; Chen, Y; Coggan, S; Cullen, KM; Garner, B; Grant, R; Guillemin, GJ; Meininger, V; Stankovic, R, 2010)
"New data from Favre and colleagues strengthen the link between activation of the tryptophan oxidation (TOx) pathway--via the indoleamine 2,3-dioxygenase enzymes IDO1 and IDO2--and chronic inflammation in progressive HIV disease."3.76Insights into therapy: tryptophan oxidation and HIV infection. ( Murray, MF, 2010)
"Post-stroke inflammation may induce upregulation of the kynurenine (KYN) pathway for tryptophan (TRP) oxidation, resulting in neuroprotective (kynurenic acid, KA) and neurotoxic metabolites (3-hydroxyanthranillic acid, 3-HAA)."3.76The role of tryptophan catabolism along the kynurenine pathway in acute ischemic stroke. ( Aerts, T; Brouns, R; De Deyn, PP; De Surgeloose, D; Scharpé, S; Verkerk, R; Wauters, A, 2010)
"Increased oxidative stress (SOX), inflammation and prevalence of cardiovascular disease (CVD) have been reported in end-stage renal disease (ESRD), but their associations with kynurenine (KYN) pathway activation remain unknown."3.75The kynurenines are associated with oxidative stress, inflammation and the prevalence of cardiovascular disease in patients with end-stage renal disease. ( Domaniewski, T; Mysliwiec, M; Pawlak, D; Pawlak, K, 2009)
"Increased oxidative stress (SOX), inflammation and accelerated atherosclerosis have been reported in end-stage renal disease (ESRD), but their associations with kynurenine pathway activation remain unknown."3.75Kynurenine, quinolinic acid--the new factors linked to carotid atherosclerosis in patients with end-stage renal disease. ( Brzosko, S; Mysliwiec, M; Pawlak, D; Pawlak, K, 2009)
" Here we show that a superoxide-dependent step in tryptophan metabolism along the kynurenine pathway is blocked in CGD mice with lethal pulmonary aspergillosis, leading to unrestrained Vgamma1(+) gammadelta T-cell reactivity, dominant production of interleukin (IL)-17, defective regulatory T-cell activity and acute inflammatory lung injury."3.74Defective tryptophan catabolism underlies inflammation in mouse chronic granulomatous disease. ( Bistoni, F; D'Angelo, C; De Luca, A; Fallarino, F; Fioretti, MC; Grohmann, U; Montagnoli, C; Puccetti, P; Romani, L; Segal, BH; Vacca, C; Zelante, T, 2008)
"Although depression is categorized as a brain disorder, its symptomatology includes some behaviors that also occur during chronic inflammatory stress."3.01The Interrelation between Oxidative Stress, Depression and Inflammation through the Kynurenine Pathway. ( Aydin, A; Mat, AF; Ozhan, Y; Sipahi, H, 2023)
"The kynurenine pathway (KP) is a major route of the essential amino acid L-tryptophan (Trp) catabolism in mammalian cells."3.01Maternal Inflammation with Elevated Kynurenine Metabolites Is Related to the Risk of Abnormal Brain Development and Behavioral Changes in Autism Spectrum Disorder. ( Fang, K; Imamura, Y; Kasahara, Y; Konishi, Y; Momono, Y; Murakami, Y; Nishiyama, T; Sakai, D; Yoshida, C, 2023)
"Inflammation is known to trigger the kynurenine pathway to a pathological level in various impulsivity-related disorders."3.01Toward a neuroprotective shift: Eight weeks of high intensity interval training reduces the neurotoxic kynurenine activity concurrently to impulsivity in emotionally impulsive humans - A randomized controlled trial. ( Bloch, W; Guillemin, GJ; Javelle, F; Knoop, A; Zimmer, P, 2021)
"Inflammation has an important physiological influence on mood and behavior."2.90Kynurenine metabolism and inflammation-induced depressed mood: A human experimental study. ( Cho, JH; Eisenberger, NI; Faull, K; Hwang, L; Irwin, MR; Kruse, JL; Olmstead, R, 2019)
"A chronic low-grade inflammation is associated with the aging process, a state called inflammaging."2.82Role of indoleamine 2,3-dioxygenase 1 (IDO1) and kynurenine pathway in the regulation of the aging process. ( Salminen, A, 2022)
"Schizophrenia is a major psychotic disorder affecting nearly 23."2.72Role and Perspectives of Inflammation and C-Reactive Protein (CRP) in Psychosis: An Economic and Widespread Tool for Assessing the Disease. ( Aamir, A; Awan, HA; Awan, S; De Berardis, D; de Filippis, R; Di Giannantonio, M; Diwan, MN; Fornaro, M; Irfan, M; Martinotti, G; Pettorruso, M; Ullah, I; Vellante, F; Ventriglio, A, 2021)
"Neuroinflammation is one of the most frequently studied topics of neurosciences as it is a common feature in almost all neurological disorders."2.72Neurological Infection, Kynurenine Pathway, and Parasitic Infection by ( Argolo, DS; Costa, MFD; Costa, SL; Del'Arco, AE; Guillemin, G; Pinheiro, AM, 2021)
"contribute to the development of coronary atherosclerosis and subsequent coronary artery disease."2.72Kynurenine Pathway Metabolites as Potential Clinical Biomarkers in Coronary Artery Disease. ( Berkecz, R; Csont, T; Demján, V; Gáspár, R; Halmi, D; Pipicz, M, 2021)
"Ketamine is a novel rapid-acting antidepressant with high efficacy in treatment-resistant patients."2.72Ketamine's effect on inflammation and kynurenine pathway in depression: A systematic review. ( Kopra, E; Mondelli, V; Nikkheslat, N; Pariante, C, 2021)
"Osteoporosis is also associated with abnormalities of the kynurenine pathway, reflected in an inversion of the ratio between blood levels of the metabolites anthranilic acid and 3-hydroxy-anthranilic acid."2.66IDO activation, inflammation and musculoskeletal disease. ( Clanchy, FI; Huang, YS; Ogbechi, J; Stone, TW; Topping, LM; Williams, RO, 2020)
"Many patients with cancer suffer from anemia, depression, and an impaired quality of life (QoL)."2.66Inflammation-Induced Tryptophan Breakdown is Related With Anemia, Fatigue, and Depression in Cancer. ( Egger, EM; Fuchs, D; Kink, P; Kurz, K; Lanser, L; Weiss, G; Willenbacher, W, 2020)
"Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common neurodegenerative diseases (NDs), presenting a broad range of symptoms from motor dysfunctions to psychobehavioral manifestations."2.66Exploring the Etiological Links behind Neurodegenerative Diseases: Inflammatory Cytokines and Bioactive Kynurenines. ( Tanaka, M; Toldi, J; Vécsei, L, 2020)
"During stress and major depressive disorders, it is generally accepted that inflammation induces an imbalance toward the excitotoxic branch of the TRY/CAT pathway, causing changes in brain connectivity in corticolimbic structures and therefore psychocognitive abnormalities."2.61The 'Yin' and the 'Yang' of the kynurenine pathway: excitotoxicity and neuroprotection imbalance in stress-induced disorders. ( Barone, P, 2019)
"Poststroke fatigue is a debilitating symptom and is poorly understood."2.58Mechanisms of poststroke fatigue. ( Dantzer, R; De Doncker, W; Kuppuswamy, A; Ormstad, H, 2018)
"The pathomechanism of Alzheimer's disease (AD) certainly involves mitochondrial disturbances, glutamate excitotoxicity, and neuroinflammation."2.58Alzheimer's Disease: Recent Concepts on the Relation of Mitochondrial Disturbances, Excitotoxicity, Neuroinflammation, and Kynurenines. ( Klivényi, P; Szalárdy, L; Vécsei, L; Veres, G; Zádori, D, 2018)
"Hence, abdominal obesity is associated with vascular endothelial dysfunction and reduced nitric oxide (NO) availability."2.55The Interactions Between Kynurenine, Folate, Methionine and Pteridine Pathways in Obesity. ( Engin, A; Engin, AB, 2017)
"Chronic inflammation has been shown to contribute to the development of a wide variety of disorders by means of a number of proposed mechanisms."2.50The common inflammatory etiology of depression and cognitive impairment: a therapeutic target. ( Allison, DJ; Ditor, DS, 2014)
"Some degree of inflammation is required for protection, particularly in mucosal tissues, during the transitional response occurring between the rapid innate and slower adaptive response."2.44IL-17 and therapeutic kynurenines in pathogenic inflammation to fungi. ( De Luca, A; Fallarino, F; Puccetti, P; Romani, L; Zelante, T, 2008)
"The kynurenine pathway (KP) is a major route of L-tryptophan catabolism leading to production of several neurobiologically active molecules."2.43Implications for the kynurenine pathway and quinolinic acid in amyotrophic lateral sclerosis. ( Brew, BJ; Guillemin, GJ; Meininger, V, 2005)
"The kynurenine pathway (KP) has been considered an important player in inflammation and immune response."1.91Kynurenine pathway of tryptophan metabolism in patients with familial Mediterranean fever. ( Gülcemal, S; Hakbilen, S; Körez, MK; Onmaz, DE; Sivrikaya, A; Tezcan, D; Yılmaz, S, 2023)
"Posttraumatic stress disorder (PTSD) is a severe trauma and stress-related disorder associated with different somatic comorbidities, especially cardiovascular and metabolic disorders, and with chronic low-grade inflammation."1.91PTSD, Immune System, and Inflammation. ( Konjevod, M; Kozumplik, O; Mimica, N; Nedic Erjavec, G; Nikolac Perkovic, M; Pivac, N; Sagud, M; Svob Strac, D; Tudor, L; Uzun, S; Vuic, B, 2023)
"Chronic systemic inflammation reduces the bioavailability of circulating endothelial progenitor cells (EPCs)."1.91A tryptophan metabolite prevents depletion of circulating endothelial progenitor cells in systemic low-grade inflammation. ( Bagaglia, F; Bianconi, V; Colangelo, C; Cosentini, E; Cucci, A; Fallarino, F; Figorilli, F; Follenzi, A; Franceschini, L; Fuchs, D; Gargaro, M; Giglioni, F; Mannarino, MR; Manni, G; Mencarelli, G; Padiglioni, E; Pieroni, B; Pirro, M; Puccetti, P; Ricciuti, D; Scalisi, G, 2023)
"Chronic low-grade inflammation is suggested to play a pathophysiological role in bipolar disorder (BD) and its related cognitive dysfunctions."1.72The Role of Kynurenines in Cognitive Dysfunction in Bipolar Disorder. ( Giltay, EJ; Hebbrecht, K; Morrens, M; Sabbe, B; van den Ameele, S; van Nuijs, ALN, 2022)
"Death rate is increased in type 2 diabetes."1.72Circulating Metabolites Associate With and Improve the Prediction of All-Cause Mortality in Type 2 Diabetes. ( Adamski, J; Copetti, M; De Cosmo, S; Mastroianno, M; Menzaghi, C; Prehn, C; Salvemini, L; Scarale, MG; Trischitta, V, 2022)
"Recessive dystrophic epidermolysis bullosa (RDEB) is a hereditary blistering disorder characterized by skin fragility, chronic inflammation, malnutrition, and fibrosis."1.72Plasma metabolomic profiling reflects the malnourished and chronic inflammatory state in recessive dystrophic epidermolysis bullosa. ( Aala, WJ; Chen, YF; Chen, YL; Hou, PC; Hsu, CK; Lin, YC; Lu, HC; McGrath, JA; Onoufriadis, A, 2022)
"In 58 cognitively normal, 396 mild cognitive impairment, and 112 AD participants from the Alzheimer's Disease Neuroimaging Initiative-1 (ADNI1) cohort, serum markers of 5-HT, tryptophan, and Kyn were measured and their relationships investigated with immunologic markers, affect and functional outcomes, CSF markers of beta-amyloid (Aβ) and tau, and regional gray matter."1.62Inflammation, negative affect, and amyloid burden in Alzheimer's disease: Insights from the kynurenine pathway. ( Allenspach, K; Collazo-Martinez, AD; Dantzer, R; Hoth, N; Klinedinst, B; Larsen, B; Le, S; Li, T; Mochel, JP; Pappas, C; Pollpeter, A; Wang, Q; Willette, AA; Willette, SA, 2021)
"The kynurenine (KYN) pathway plays an important role in degrading molecules responsible for oxidative stress in the central nervous system (CNS), but can also have neurotoxic effects."1.56Impaired metabolism of kynurenine and its metabolites in CSF of parkinson's disease. ( Iwaoka, K; Kato, K; Maeda, T; Otsuka, C; Takahashi, K; Terayama, Y; Yamahara, K, 2020)
"Chronic inflammation is associated with physical frailty and functional decline in older adults; however, the molecular mechanisms of this linkage are not understood."1.56Kynurenines link chronic inflammation to functional decline and physical frailty. ( Abadir, PM; Chung, T; de Cabo, R; Ferrucci, L; Hoke, A; Joca, H; Khadeer, M; Le, A; Lovett, J; Moaddel, R; Tian, J; Walston, J; Ward, C; Westbrook, R; Xue, QL; Yang, H, 2020)
"Cognitive dysfunction is a prominent feature of psychiatric disorders."1.56C-Reactive Protein as a Possible Predictor of Trail-Making Performance in Individuals with Psychiatric Disorders. ( Bengesser, SA; Birner, A; Dalkner, N; Falzberger, VS; Fellendorf, FT; Hamm, C; Lenger, M; Mangge, H; McIntyre, RS; Pilz, R; Platzer, M; Queissner, R; Reininghaus, B; Reininghaus, E; Rieger, A; Schwalsberger, K; Weiss, EM, 2020)
"Chronic, low-level inflammation is associated with symptomatic bipolar disorder (BD) and with chronic insomnia."1.48Total sleep time and kynurenine metabolism associated with mood symptom severity in bipolar disorder. ( Can, A; Fuchs, D; Groer, M; Krishnamurthy, VB; Millett, CE; Mukherjee, D; Postolache, TT; Reider, A; Saunders, EFH, 2018)
"HIV infection and type 2 diabetes are associated with altered gut microbiota, chronic inflammation, and increased cardiovascular risk."1.48Impact of HIV and Type 2 diabetes on Gut Microbiota Diversity, Tryptophan Catabolism and Endothelial Dysfunction. ( Aukrust, P; Gaardbo, JC; Gelpi, M; Gerstoft, J; Hoel, H; Holm, K; Hov, JR; Hove-Skovsgaard, M; Kummen, M; Nielsen, SD; Nwosu, F; Rudi, K; Seljeflot, I; Trøseid, M; Ueland, PM; Ullum, H; Valeur, J, 2018)
"As chronic inflammation is known to precipitate increased apoptosis of neurons and astrocytes, this could be a contributing factor to brain dysfunction."1.46Major Depression as a Neuroprogressive Prelude to Dementia: What Is the Evidence? ( Leonard, BE, 2017)
"Mastocytosis is a rare disease in which chronic symptoms, including depression, are related to mast cell accumulation and activation."1.43Mast cells' involvement in inflammation pathways linked to depression: evidence in mastocytosis. ( Alyanakian, MA; Aouba, A; Bachmeyer, C; Barète, S; Bonin, B; Chandesris, MO; Chauvet-Gelinier, JC; Côté, F; Damaj, G; Dubreuil, P; Gaillard, R; Georgin-Lavialle, S; Grandpeix-Guyodo, C; Haffen, E; Hermine, O; Launay, JM; Lortholary, O; Moura, DS; Salvador, A; Soucié, E; Teyssier, JR; Trojak, B; Vandel, P, 2016)
"Quinolinic acid was increased and kynurenic acid decreased over time in suicidal patients versus healthy controls."1.42A role for inflammatory metabolites as modulators of the glutamate N-methyl-D-aspartate receptor in depression and suicidality. ( Bay-Richter, C; Brundin, L; Erhardt, S; Guillemin, GJ; Lim, CK; Linderholm, KR; Samuelsson, M; Träskman-Bendz, L, 2015)
"Atherosclerosis is a chronic inflammatory disease that is initiated by the retention and accumulation of low-density lipoprotein in the artery, leading to maladaptive response of cells from the immune system and vessel wall."1.42Inhibition of indoleamine 2,3-dioxygenase promotes vascular inflammation and increases atherosclerosis in Apoe-/- mice. ( Agardh, H; Assinger, A; Bäck, M; Baumgartner, R; Berg, M; Gisterå, A; Hansson, GK; Ketelhuth, DF; Laguna-Fernandez, A; Ovchinnikova, O; Pirault, J; Polyzos, KA, 2015)
"About 350 million people worldwide have type 2 diabetes (T2D)."1.42Increased Plasma Levels of Xanthurenic and Kynurenic Acids in Type 2 Diabetes. ( Oxenkrug, GF, 2015)
"A total of 971 incident cancer cases (507 men and 464 women) were identified over a median follow-up time of 12 years."1.40Interferon-γ-induced inflammatory markers and the risk of cancer: the Hordaland Health Study. ( Eussen, SJ; Meyer, K; Midttun, Ø; Nygård, O; Tell, GS; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H, 2014)
"Geriatric depression is a costly health issue, but little is known about its physiological underpinnings."1.39Aging leads to prolonged duration of inflammation-induced depression-like behavior caused by Bacillus Calmette-Guérin. ( Dantzer, R; Kelley, KW; Lawson, MA; McCusker, RH; O'Connor, JC; Rodriguez-Zas, SL, 2013)
" In the H2O2/FeCl3/ascorbic acid variant of the deoxyribose degradation assay, the dose-response curve was U-shaped."1.39Quinolinic acid: neurotoxin or oxidative stress modulator? ( Chobot, V; Hadacek, F; Kubicova, L, 2013)
"Inflammation has been linked to depression and suicide risk."1.37Plasma kynurenine levels are elevated in suicide attempters with major depressive disorder. ( Fuchs, D; Galfalvy, HC; Grunebaum, MF; Lapidus, M; Mann, JJ; Oquendo, MA; Postolache, TT; Sublette, ME, 2011)
"L-kynurenine is a tryptophan metabolite, which may render activated T-cells apoptotic and therefore might modulate an allogenous transplant reaction."1.35Function of the tryptophan metabolite, L-kynurenine, in human corneal endothelial cells. ( Aboul-Enein, F; Höftberger, R; Lahdou, I; Scheuerle, A; Serbecic, N, 2009)

Research

Studies (274)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's2 (0.73)18.2507
2000's14 (5.11)29.6817
2010's148 (54.01)24.3611
2020's110 (40.15)2.80

Authors

AuthorsStudies
Haq, S1
Grondin, JA1
Khan, WI1
Jadhav, S1
Nema, V1
Leclercq, S1
Schwarz, M2
Delzenne, NM1
Stärkel, P1
de Timary, P1
Fang, J1
Feng, C1
Chen, W1
Hou, P1
Liu, Z1
Zuo, M1
Han, Y1
Xu, C1
Melino, G1
Verkhratsky, A1
Wang, Y6
Shao, C1
Shi, Y1
Kanova, M1
Kohout, P1
Göttert, R1
Fidzinski, P1
Kraus, L1
Schneider, UC1
Holtkamp, M1
Endres, M1
Gertz, K1
Kronenberg, G1
Hebbrecht, K2
Morrens, M3
Giltay, EJ3
van Nuijs, ALN1
Sabbe, B2
van den Ameele, S2
Ullah, I1
Awan, HA1
Aamir, A1
Diwan, MN1
de Filippis, R1
Awan, S1
Irfan, M1
Fornaro, M1
Ventriglio, A1
Vellante, F1
Pettorruso, M1
Martinotti, G1
Di Giannantonio, M1
De Berardis, D1
Chang, Y1
Han, P1
Jia, C1
Zhang, B1
Zhao, Y1
Li, S3
Wang, X1
Yang, X2
Wei, W1
Delgado, I1
Cussotto, S1
Anesi, A1
Dexpert, S1
Aubert, A1
Aouizerate, B1
Beau, C1
Forestier, D1
Ledaguenel, P1
Magne, E1
Mattivi, F1
Capuron, L2
Hughes, TD1
Güner, OF1
Iradukunda, EC1
Phillips, RS1
Bowen, JP1
Priyadarshini, M1
Navarro, G1
Reiman, DJ1
Sharma, A1
Xu, K1
Lednovich, K1
Manzella, CR1
Khan, MW1
Garcia, MS1
Allard, S1
Wicksteed, B1
Chlipala, GE1
Szynal, B1
Bernabe, BP1
Maki, PM1
Gill, RK1
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Clinical Trials (19)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Genetic Risk Factors Predictive of the Occurrence of Maternally Diagnosed Perinatal Depression in Women[NCT05175755]3,000 participants (Anticipated)Interventional2023-09-25Not yet recruiting
Observational Study on T Regulatory Cells in Hemodialysis Patients[NCT02981992]30 participants (Actual)Observational2011-02-28Completed
Effects of 3-month Probiotic Mix Supplementation (L. Helveticus R-0052, B. Longum R-0175) on Gut Microbiota and Metabolome, Endocannabinoid and Immune Systems Activation, Along With Symptoms of Fatigue in Professional Dancers[NCT05567653]60 participants (Anticipated)Interventional2022-09-21Recruiting
Possible Links Between Inflammation and Lipid Metabolism[NCT03392701]10 participants (Actual)Interventional2017-12-20Completed
Feasibility Study of Intra-Tumoral Lipopolysaccharide Immunotherapy for Intra-Abdominal[NCT05751837]Phase 16 participants (Anticipated)Interventional2023-03-16Recruiting
TransplantLines Insulin Resistance and Inflammation Biobank and Cohort Study[NCT03272854]606 participants (Actual)Observational [Patient Registry]2001-08-31Active, not recruiting
Effects of Very Low Calorie Ketogenic Diet on Microbiota, Adipose Tissue and Immunitary Regulation: Pilot Study on Patients With Metabolic Syndrome[NCT05275608]40 participants (Anticipated)Interventional2022-11-07Recruiting
The Effects of Daily Anti-inflammatory Supplementation on Foundation Pain Index Scores in Chronic Opiate Patients[NCT05896878]20 participants (Anticipated)Interventional2023-07-10Enrolling by invitation
Assessing the Efficacy of Transcutaneous Auricular Vagus Nerve Stimulation as an Anti-inflammatory Treatment Following Spinal Cord Injury[NCT05730049]30 participants (Anticipated)Interventional2023-04-30Not yet recruiting
Vitamin B6 Effects on One-Carbon Metabolism[NCT01128244]Phase 2/Phase 313 participants (Actual)Interventional2010-04-30Completed
Vitamin B6 Dependence of One-Carbon Metabolism[NCT00877812]45 participants (Actual)Interventional2008-01-31Completed
Effect of a Treatment Switch From Protease Inhibitor to Raltegravir-based ART on Myeloid Cell Inflammation in HIV-infected Patients.[NCT02691065]Phase 46 participants (Actual)Interventional2017-01-20Completed
A Randomized Controlled Trial of Adjunctive Siltuximab in Schizophrenia[NCT02796859]Phase 1/Phase 230 participants (Anticipated)Interventional2016-05-31Recruiting
An Open-Label Trial of Tocilizumab in Schizophrenia[NCT01696929]Phase 18 participants (Actual)Interventional2012-09-30Completed
A Randomised Double Blind Study of the Effects of Homocysteine Lowering Therapy on Mortality and Cardiac Events in Patients Undergoing Coronary Angiography[NCT00354081]Phase 33,096 participants (Actual)Interventional1999-04-30Completed
A Longitudinal Study of Inflammatory Pathways in Depression[NCT04159207]160 participants (Anticipated)Observational2019-10-01Recruiting
Pre- and Post-treatment Lung Microbiota, Metabolome and Immune Signatures at the Site of Disease in Patients With Active Pulmonary Tuberculosis[NCT04700579]150 participants (Anticipated)Observational [Patient Registry]2021-03-04Recruiting
Pregnancy and Anxious Thoughts: The Role of the Immune and Endocrine Systems[NCT03664128]157 participants (Actual)Observational2016-06-24Completed
[NCT00113737]0 participants Interventional1998-02-28Completed
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

Fasting Plasma Cystathionine Concentration

For all subjects, the concentration of plasma cystathionine in fasting blood samples taken before and after the supplementation period will provide a functional measure of vitamin B6 nutritional status. (NCT01128244)
Timeframe: Fasting blood samples will be taken at baseline and after 28 days of vitamin B6 supplementation.

Interventionmicromol/L (Mean)
Baseline prior to vitamin supplementationAfter 28-days of vitamin supplementation
Plasma Cystathionine Concentration0.140.13

Fasting Plasma Pyridoxal Phosphate Concentration

For all subjects, the concentration of plasma pyridoxal phosphate in fasting blood samples taken before and after the supplementation period will provide a direct measure of vitamin B6 nutritional status. (NCT01128244)
Timeframe: Fasting blood samples will be taken at baseline and after 28 days of vitamin B6 supplementation.

Interventionnmol/L (Mean)
Baseline prior to vitamin supplementationAfter 28-days of vitamin supplementation
Plasma Pyridoxal Phosphate Concentration25.8143

Flux of Homocysteine Remethylation From Serine-derived Carbon

Data from analysis of serine, methionine and leucine in the timed blood samples of all subjects will provide a measurement of the metabolic rate of homocysteine remethylation from serine-derived carbon before and after vitamin B6 supplementation. These flux values may be slightly higher than flux of total homocysteine remethylation in Outcome Measure 1 because of the small contribution of methionine salvage to the flux measured in Outcome Measure 2. (NCT01128244)
Timeframe: Blood samples will be taken prior to infusion and at 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 7.5, and 9h. Infusions will be conducted at baseline and after 28 days

Interventionmicromol/(kg x hr) (Mean)
Baseline prior to vitamin supplementationAfter 28-days of vitamin supplementation
Homocysteine Remethylation Flux From Serine6.606.92

Plasma 3-hydroxykynurenine Concentration

For all subjects, analysis of blood samples before and after vitamin B6 supplementation will allow evaluation of discriminating biomarkers using targeted metabolite profile analysis of one-carbon metabolism and tryptophan catabolism constituents. Also, we will conduct exploratory evaluation and potential identification of new biomarkers using metabolomics analysis on subjects before and after vitamin B6 supplementation. (NCT01128244)
Timeframe: April, 2010 - June, 2014

Interventionmicrol/L (Mean)
Baseline prior to vitamin supplementationAfter 28-days of vitamin supplementation
Secondary Analysis: Plasma 3-hydroxykynurenine Concentration25.927.3

Total Remethylation of Homocysteine

Data from analysis of serine, methionine and leucine in the timed blood samples of all subjects will provide a measurement of the metabolic rate of total remethylation of homocysteine before and after vitamin B6 supplementation. (NCT01128244)
Timeframe: Blood samples will be taken prior to infusion and at 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 7.5, and 9h. Infusions will be conducted at baseline and after 28 days

Interventionmicromol/(kg x hr) (Mean)
Baseline prior to vitamin supplementationAfter 28-days of vitamin supplementation
Total Homocysteine Remethylation Flux6.075.63

Change in Cognition

The Brief Assessment of Cognition in Schizophrenia (BACS) is the metric used to characterize cognition in this study. The BACS consists of 6 subscales: Verbal Memory (range 0-75), Working Memory (range 0-28), Motor Speed (range 0-100), Verbal Fluency (measure is total number of words generated in two 60 second trials), Attention and Processing speed (range 0-110), and Executive Function (range 0-22). For each subscale, higher scores reflect better cognition. For each subscale, a Standard Deviation Score was calculated based on normative data (Keefe et al. Norms and standardization of the Brief Assessment of Cognition in Schizophrenia (BACS). Schizophrenia Research 102 (2008) 108-115). The BACS composite score is calculated as the average Standard Deviation Score of the 6 subscale scores. The change in BACS composite score was calculated as the BACS composite score at 8 weeks minus the BACS composite score at baseline. (NCT01696929)
Timeframe: Change in BACS composite score from baseline to 8 weeks

InterventionChange in BACS Composite Score (Mean)
Tocilizumab0.7

Change in Total Psychotic Symptoms

The Positive and Negative Symptoms Scale (PANSS) is the metric used to characterize psychotic symptoms in this study. The PANSS consists of 30 items, each scored 1-7. The range for the PANSS total score is 30-210. There are 3 subscales - PANSS positive score (range 7-49), PANSS negative score (range 7-49), and PANSS general score (range 16-112). PANSS total score is the summation of these 3 subscales. Higher values for the total and subscale scores reflect more severe psychopathology. A positive change in PANSS total score reflects an increase in psychopathology. A negative change in PANSS total score reflects a decrease in psychopathology. (NCT01696929)
Timeframe: Change in PANSS total score from baseline to 8 weeks

InterventionChange in PANSS Total Score (Mean)
Tocilizumab-2.6

Reviews

84 reviews available for kynurenine and Innate Inflammatory Response

ArticleYear
Tryptophan-derived serotonin-kynurenine balance in immune activation and intestinal inflammation.
    FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2021, Volume: 35, Issue:10

    Topics: Animals; Gastrointestinal Microbiome; Humans; Inflammation; Inflammatory Bowel Diseases; Kynurenine;

2021
HIV-Associated Neurotoxicity: The Interplay of Host and Viral Proteins.
    Mediators of inflammation, 2021, Volume: 2021

    Topics: AIDS Dementia Complex; Anti-Retroviral Agents; Astrocytes; Central Nervous System; Genome; HIV Envel

2021
Redressing the interactions between stem cells and immune system in tissue regeneration.
    Biology direct, 2021, 10-20, Volume: 16, Issue:1

    Topics: Animals; Cell Adhesion Molecules; Cell Differentiation; Cell Proliferation; COVID-19; Humans; Immune

2021
Tryptophan: A Unique Role in the Critically Ill.
    International journal of molecular sciences, 2021, Oct-28, Volume: 22, Issue:21

    Topics: Critical Illness; Delirium; Depression; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation;

2021
Role and Perspectives of Inflammation and C-Reactive Protein (CRP) in Psychosis: An Economic and Widespread Tool for Assessing the Disease.
    International journal of molecular sciences, 2021, Dec-02, Volume: 22, Issue:23

    Topics: Biomarkers; Blood-Brain Barrier; C-Reactive Protein; Humans; Inflammation; Kynurenine; Risk Factors;

2021
The Kynurenine Pathway and Kynurenine 3-Monooxygenase Inhibitors.
    Molecules (Basel, Switzerland), 2022, Jan-02, Volume: 27, Issue:1

    Topics: Animals; Drug Design; Enzyme Inhibitors; Gene Expression Regulation, Enzymologic; Humans; Inflammati

2022
Role of indoleamine 2,3-dioxygenase 1 (IDO1) and kynurenine pathway in the regulation of the aging process.
    Ageing research reviews, 2022, Volume: 75

    Topics: Aging; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Kynurenine; Tryptophan

2022
Neurological Infection, Kynurenine Pathway, and Parasitic Infection by
    Frontiers in immunology, 2021, Volume: 12

    Topics: Animals; Humans; Inflammation; Kynurenine; Neospora; Nervous System Diseases; Parasitic Diseases; Si

2021
Hypothesis: Emerging Roles for Aryl Hydrocarbon Receptor in Orchestrating CoV-2-Related Inflammation.
    Cells, 2022, 02-13, Volume: 11, Issue:4

    Topics: Adaptive Immunity; Amino Acid Transport Systems, Neutral; Angiotensin-Converting Enzyme 2; Basic Hel

2022
Kynurenine Pathway Metabolites as Potential Clinical Biomarkers in Coronary Artery Disease.
    Frontiers in immunology, 2021, Volume: 12

    Topics: Biomarkers; Coronary Artery Disease; Humans; Inflammation; Kynurenine; Tryptophan

2021
COVID-19, Oxidative Stress, and Neuroinflammation in the Depression Route.
    Journal of molecular neuroscience : MN, 2022, Volume: 72, Issue:6

    Topics: COVID-19; Depression; Depressive Disorder, Major; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Infl

2022
An Emerging Cross-Species Marker for Organismal Health: Tryptophan-Kynurenine Pathway.
    International journal of molecular sciences, 2022, Jun-04, Volume: 23, Issue:11

    Topics: Animals; Biomarkers; Ecosystem; Inflammation; Kynurenine; Mammals; Tryptophan

2022
The role and mechanism of tryptophan - kynurenine metabolic pathway in depression.
    Reviews in the neurosciences, 2023, 04-25, Volume: 34, Issue:3

    Topics: Depression; Depressive Disorder, Major; Humans; Inflammation; Kynurenine; Metabolic Networks and Pat

2023
The Interrelation between Oxidative Stress, Depression and Inflammation through the Kynurenine Pathway.
    Current topics in medicinal chemistry, 2023, Volume: 23, Issue:6

    Topics: Cytokines; Depression; Humans; Inflammation; Kynurenine; Oxidative Stress; Tryptophan

2023
HIV and comorbidities - the importance of gut inflammation and the kynurenine pathway.
    Current opinion in HIV and AIDS, 2023, 03-01, Volume: 18, Issue:2

    Topics: Gastrointestinal Microbiome; HIV Infections; Humans; Inflammation; Kynurenine; NAD

2023
Kynurenine pathway metabolites modulated the comorbidity of IBD and depressive symptoms through the immune response.
    International immunopharmacology, 2023, Volume: 117

    Topics: Colitis, Ulcerative; Comorbidity; Depression; Humans; Inflammation; Kynurenine; Tryptophan

2023
Maternal Inflammation with Elevated Kynurenine Metabolites Is Related to the Risk of Abnormal Brain Development and Behavioral Changes in Autism Spectrum Disorder.
    Cells, 2023, 04-04, Volume: 12, Issue:7

    Topics: Animals; Autism Spectrum Disorder; Brain; Female; Inflammation; Kynurenine; Mammals; Pregnancy; Tryp

2023
A unified model of the biology of peripartum depression.
    Translational psychiatry, 2023, 04-28, Volume: 13, Issue:1

    Topics: Biology; Depression; Depression, Postpartum; Depressive Disorder, Treatment-Resistant; Female; Human

2023
IDO/Kynurenine; novel insight for treatment of inflammatory diseases.
    Cytokine, 2023, Volume: 166

    Topics: Animals; Cytokines; Diabetes Mellitus, Type 2; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; K

2023
Glucocorticoid Hormones as Modulators of the Kynurenine Pathway in Chronic Pain Conditions.
    Cells, 2023, 04-18, Volume: 12, Issue:8

    Topics: Chronic Pain; Cytokines; Glucocorticoids; Humans; Hydrocortisone; Hypothalamo-Hypophyseal System; In

2023
Modulation of T cells by tryptophan metabolites in the kynurenine pathway.
    Trends in pharmacological sciences, 2023, Volume: 44, Issue:7

    Topics: Autoimmune Diseases; Humans; Inflammation; Kynurenine; T-Lymphocytes; Tryptophan

2023
Research progress on the kynurenine pathway in the prevention and treatment of Parkinson's disease.
    Journal of enzyme inhibition and medicinal chemistry, 2023, Volume: 38, Issue:1

    Topics: Central Nervous System; Humans; Inflammation; Kynurenine; Parkinson Disease

2023
Platelets bridging the gap between gut dysbiosis and neuroinflammation in stress-linked disorders: A narrative review.
    Journal of neuroimmunology, 2023, 09-15, Volume: 382

    Topics: Blood Platelets; Cytokines; Dysbiosis; Humans; Inflammation; Kynurenine; Neuroinflammatory Diseases;

2023
Dietary Kynurenine Pathway Metabolites-Source, Fate, and Chromatographic Determinations.
    International journal of molecular sciences, 2023, Nov-14, Volume: 24, Issue:22

    Topics: Animals; Chromatography; Diet; Humans; Inflammation; Kynurenine; Mammals; Tryptophan

2023
Microbiome and Mental Health, Specifically as It Relates to Adolescents.
    Current psychiatry reports, 2019, 09-02, Volume: 21, Issue:9

    Topics: Adolescent; Brain; Depression; Diet, Healthy; Gastrointestinal Microbiome; Humans; Hypothalamo-Hypop

2019
Kynurenine signaling through the aryl hydrocarbon receptor: Implications for aging and healthspan.
    Experimental gerontology, 2020, Volume: 130

    Topics: Aging; Animals; Basic Helix-Loop-Helix Transcription Factors; Humans; Inflammation; Kynurenine; Long

2020
IDO activation, inflammation and musculoskeletal disease.
    Experimental gerontology, 2020, Volume: 131

    Topics: Animals; Arthritis, Rheumatoid; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation;

2020
Effects of inflammation on the kynurenine pathway in schizophrenia - a systematic review.
    Journal of neuroinflammation, 2020, Feb-15, Volume: 17, Issue:1

    Topics: Humans; Inflammation; Kynurenine; Psychotic Disorders; Schizophrenia

2020
Inflammation-Induced Tryptophan Breakdown is Related With Anemia, Fatigue, and Depression in Cancer.
    Frontiers in immunology, 2020, Volume: 11

    Topics: Anemia; Animals; Depression; Fatigue; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Ky

2020
More than a cell biosensor: aryl hydrocarbon receptor at the intersection of physiology and inflammation.
    American journal of physiology. Cell physiology, 2020, 06-01, Volume: 318, Issue:6

    Topics: Animals; Humans; Inflammation; Inflammation Mediators; Interleukin-6; Kynurenine; Receptors, Aryl Hy

2020
Exploring the Etiological Links behind Neurodegenerative Diseases: Inflammatory Cytokines and Bioactive Kynurenines.
    International journal of molecular sciences, 2020, Mar-31, Volume: 21, Issue:7

    Topics: Alzheimer Disease; Anti-Inflammatory Agents; Biomarkers; Cytokines; Humans; Huntington Disease; Infl

2020
AhR and IDO1 in pathogenesis of Covid-19 and the "Systemic AhR Activation Syndrome:" a translational review and therapeutic perspectives.
    Restorative neurology and neuroscience, 2020, Volume: 38, Issue:4

    Topics: Air Pollutants; Betacoronavirus; Calcitriol; Coronavirus Infections; COVID-19; COVID-19 Drug Treatme

2020
Inflammation control and improvement of cognitive function in COVID-19 infections: is there a role for kynurenine 3-monooxygenase inhibition?
    Drug discovery today, 2021, Volume: 26, Issue:6

    Topics: Animals; Cognition; COVID-19; Humans; Inflammation; Kynurenine; Kynurenine 3-Monooxygenase; Neuropro

2021
Latest developments in tryptophan metabolism: Understanding its role in B cell immunity.
    Cytokine & growth factor reviews, 2021, Volume: 59

    Topics: B-Lymphocytes; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Kynurenine; Tryptophan

2021
Pro-Inflammatory Cytokines: Potential Links between the Endocannabinoid System and the Kynurenine Pathway in Depression.
    International journal of molecular sciences, 2021, May-31, Volume: 22, Issue:11

    Topics: Animals; Biomarkers; Cytokines; Depression; Disease Susceptibility; Endocannabinoids; Humans; Inflam

2021
Tryptophan Catabolites in Bipolar Disorder: A Meta-Analysis.
    Frontiers in immunology, 2021, Volume: 12

    Topics: Bipolar Disorder; Depression; Humans; Inflammation; Kynurenic Acid; Kynurenine; Tryptophan

2021
Tryptophan-kynurenine metabolism: a link between the gut and brain for depression in inflammatory bowel disease.
    Journal of neuroinflammation, 2021, Jun-14, Volume: 18, Issue:1

    Topics: Animals; Brain-Gut Axis; Depression; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Inf

2021
Ketamine's effect on inflammation and kynurenine pathway in depression: A systematic review.
    Journal of psychopharmacology (Oxford, England), 2021, Volume: 35, Issue:8

    Topics: Animals; Anti-Inflammatory Agents; Antidepressive Agents; Bipolar Disorder; Cytokines; Depressive Di

2021
Neuroinflammation and the Kynurenine Pathway in CNS Disease: Molecular Mechanisms and Therapeutic Implications.
    Cells, 2021, 06-19, Volume: 10, Issue:6

    Topics: Animals; Humans; Inflammation; Kynurenine; Mental Disorders; Neurodegenerative Diseases

2021
The Kynurenine Pathway in Traumatic Brain Injury: Implications for Psychiatric Outcomes.
    Biological psychiatry, 2022, 03-01, Volume: 91, Issue:5

    Topics: Brain Injuries, Traumatic; Humans; Inflammation; Kynurenine; Quinolinic Acid; Receptors, N-Methyl-D-

2022
Covid-19 interface with drug misuse and substance use disorders.
    Neuropharmacology, 2021, 10-15, Volume: 198

    Topics: Adaptation, Psychological; Angiotensin-Converting Enzyme 2; Animals; Axons; Comorbidity; COVID-19; D

2021
Crosstalk between Tryptophan Metabolism and Cardiovascular Disease, Mechanisms, and Therapeutic Implications.
    Oxidative medicine and cellular longevity, 2017, Volume: 2017

    Topics: Cardiovascular Diseases; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Kynurenine; Liv

2017
The Interactions Between Kynurenine, Folate, Methionine and Pteridine Pathways in Obesity.
    Advances in experimental medicine and biology, 2017, Volume: 960

    Topics: Animals; Folic Acid; Humans; Inflammation; Kynurenine; Methionine; Obesity; Pteridines; Signal Trans

2017
Kynurenines: Tryptophan's metabolites in exercise, inflammation, and mental health.
    Science (New York, N.Y.), 2017, Jul-28, Volume: 357, Issue:6349

    Topics: Brain; Depression; Exercise; Gastrointestinal Microbiome; Gastrointestinal Tract; Humans; Inflammati

2017
The interplay between cytokines and the Kynurenine pathway in inflammation and atherosclerosis.
    Cytokine, 2019, Volume: 122

    Topics: Adaptive Immunity; Animals; Atherosclerosis; Cardiovascular Diseases; Cytokines; Humans; Immunity, I

2019
Neuroinflammation and the Immune-Kynurenine Pathway in Anxiety Disorders.
    Current neuropharmacology, 2018, Volume: 16, Issue:5

    Topics: Animals; Anxiety Disorders; Humans; Inflammation; Kynurenine; Signal Transduction

2018
Mechanisms of poststroke fatigue.
    Journal of neurology, neurosurgery, and psychiatry, 2018, Volume: 89, Issue:3

    Topics: Fatigue; Humans; Inflammation; Kynurenine; Signal Transduction; Stroke; Tryptophan

2018
Inflammation-induced depression: Its pathophysiology and therapeutic implications.
    Journal of neuroimmunology, 2017, 12-15, Volume: 313

    Topics: Animals; Depression; Humans; Inflammation; Kynurenine; Serotonin; Tryptophan

2017
Oxidative and Nitrosative Stress as Well as the Tryptophan Catabolites Pathway in Depressive Disorders.
    Psychiatria Danubina, 2017, Volume: 29, Issue:4

    Topics: Antidepressive Agents; Antioxidants; Biomarkers; Depression; Depressive Disorder; Disease Progressio

2017
Targeting metabotropic glutamate receptors for the treatment of neuroinflammation.
    Current opinion in pharmacology, 2018, Volume: 38

    Topics: Animals; Central Nervous System Diseases; Humans; Inflammation; Kynurenine; Mental Disorders; Microg

2018
Alzheimer's Disease: Recent Concepts on the Relation of Mitochondrial Disturbances, Excitotoxicity, Neuroinflammation, and Kynurenines.
    Journal of Alzheimer's disease : JAD, 2018, Volume: 62, Issue:2

    Topics: Alzheimer Disease; Animals; Central Nervous System; Disease Models, Animal; Energy Metabolism; Gluta

2018
A new theory of depression based on the serotonin/kynurenine relationship and the hypothalamicpituitary- adrenal axis
    Biomedica : revista del Instituto Nacional de Salud, 2018, 09-01, Volume: 38, Issue:3

    Topics: Animals; Bacterial Infections; Brain; Cytokines; Depression; Humans; Hypothalamo-Hypophyseal System;

2018
Neurological and Inflammatory Manifestations in Sjögren's Syndrome: The Role of the Kynurenine Metabolic Pathway.
    International journal of molecular sciences, 2018, Dec-08, Volume: 19, Issue:12

    Topics: Animals; Autoimmunity; Humans; Inflammation; Kynurenine; Metabolic Networks and Pathways; Nervous Sy

2018
RETRACTED: Placental serotonin systems in pregnancy metabolic complications associated with maternal obesity and gestational diabetes mellitus.
    Biochimica et biophysica acta. Molecular basis of disease, 2020, 02-01, Volume: 1866, Issue:2

    Topics: Diabetes, Gestational; Embryonic Development; Female; Fetal Development; Homeostasis; Humans; Inflam

2020
Inflammation in cancer and depression: a starring role for the kynurenine pathway.
    Psychopharmacology, 2019, Volume: 236, Issue:10

    Topics: Antidepressive Agents; Depression; Humans; Immunotherapy; Indoleamine-Pyrrole 2,3,-Dioxygenase; Infl

2019
The 'Yin' and the 'Yang' of the kynurenine pathway: excitotoxicity and neuroprotection imbalance in stress-induced disorders.
    Behavioural pharmacology, 2019, Volume: 30, Issue:2 and 3-Sp

    Topics: Animals; Brain; Cytokines; Depressive Disorder, Major; Excitatory Amino Acid Agents; Humans; Hypotha

2019
Microbiota Alterations in Alzheimer's Disease: Involvement of the Kynurenine Pathway and Inflammation.
    Neurotoxicity research, 2019, Volume: 36, Issue:2

    Topics: Alzheimer Disease; Animals; Gastrointestinal Microbiome; Humans; Inflammation; Kynurenine; Oxidative

2019
[Immune modulation by tryptophan metabolism: relevance for autoimmune and tumor diseases].
    Deutsche medizinische Wochenschrift (1946), 2013, Volume: 138, Issue:28-29

    Topics: Animals; Autoimmune Diseases; Brain; Dietary Supplements; Disease Models, Animal; Dose-Response Rela

2013
Is there a role for glutamate-mediated excitotoxicity in inflammation-induced depression?
    Journal of neural transmission (Vienna, Austria : 1996), 2014, Volume: 121, Issue:8

    Topics: Animals; Blood-Brain Barrier; Depressive Disorder; Glutamic Acid; Humans; Indoleamine-Pyrrole 2,3,-D

2014
The common inflammatory etiology of depression and cognitive impairment: a therapeutic target.
    Journal of neuroinflammation, 2014, Sep-02, Volume: 11

    Topics: Animals; Cognition Disorders; Depression; Humans; Inflammation; Kynurenine; Signal Transduction; Try

2014
The potential of targeting indoleamine 2,3-dioxygenase for cancer treatment.
    Expert opinion on therapeutic targets, 2015, Volume: 19, Issue:5

    Topics: Animals; Cell Proliferation; Dendritic Cells; Humans; Immunity, Cellular; Immunotherapy; Indoleamine

2015
Immune-Mediated Metabolic Kynurenine Pathways Are Involved in the Postoperative Cognitive Dysfunction after Cardiopulmonary Bypass.
    The Thoracic and cardiovascular surgeon, 2015, Volume: 63, Issue:7

    Topics: Biomarkers; Biosynthetic Pathways; Brain; Cardiopulmonary Bypass; China; Cognition Disorders; Humans

2015
Tryptophan-kynurenine pathway is dysregulated in inflammation, and immune activation.
    Frontiers in bioscience (Landmark edition), 2015, 06-01, Volume: 20, Issue:7

    Topics: Adult; Aged; Animals; Cardiovascular Diseases; Female; Humans; Immune System Diseases; Inflammation;

2015
Direct and Functional Biomarkers of Vitamin B6 Status.
    Annual review of nutrition, 2015, Volume: 35

    Topics: Amino Acids; Biomarkers; Body Mass Index; Female; Health Status; Humans; Infant; Infant, Newborn; In

2015
Therapeutic targeting of inflammation and tryptophan metabolism in colon and gastrointestinal cancer.
    Translational research : the journal of laboratory and clinical medicine, 2016, Volume: 167, Issue:1

    Topics: Colon; Gastrointestinal Neoplasms; Humans; Immunotherapy; Indoleamine-Pyrrole 2,3,-Dioxygenase; Infl

2016
Cognition and Emotions in Recurrent Depressive Disorders - The Role of Inflammation and the Kynurenine Pathway.
    Current pharmaceutical design, 2016, Volume: 22, Issue:8

    Topics: Animals; Cognition; Depressive Disorder; Emotions; Humans; Inflammation; Kynurenine; Recurrence; Sig

2016
Kynurenine pathway metabolites and suicidality.
    Neuropharmacology, 2017, Volume: 112, Issue:Pt B

    Topics: Animals; Cytokines; Humans; Inflammation; Kynurenine; Metabolic Networks and Pathways; Suicide

2017
[Depression and inflammation in rheumatic diseases].
    Postepy higieny i medycyny doswiadczalnej (Online), 2016, Mar-04, Volume: 70

    Topics: Cytokines; Depression; Humans; Hypothalamo-Hypophyseal System; Indoleamine-Pyrrole 2,3,-Dioxygenase;

2016
Role of the Kynurenine Metabolism Pathway in Inflammation-Induced Depression: Preclinical Approaches.
    Current topics in behavioral neurosciences, 2017, Volume: 31

    Topics: Animals; Depressive Disorder; Humans; Inflammation; Kynurenine; Metabolic Networks and Pathways; Neu

2017
COX-2 inhibitors as antidepressants and antipsychotics: clinical evidence.
    Current opinion in investigational drugs (London, England : 2000), 2010, Volume: 11, Issue:1

    Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Cyclooxygenase 2 Inhibitors; Cytokines; Depres

2010
COX-2 inhibitors as antidepressants and antipsychotics: clinical evidence.
    Current opinion in investigational drugs (London, England : 2000), 2010, Volume: 11, Issue:1

    Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Cyclooxygenase 2 Inhibitors; Cytokines; Depres

2010
COX-2 inhibitors as antidepressants and antipsychotics: clinical evidence.
    Current opinion in investigational drugs (London, England : 2000), 2010, Volume: 11, Issue:1

    Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Cyclooxygenase 2 Inhibitors; Cytokines; Depres

2010
COX-2 inhibitors as antidepressants and antipsychotics: clinical evidence.
    Current opinion in investigational drugs (London, England : 2000), 2010, Volume: 11, Issue:1

    Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Cyclooxygenase 2 Inhibitors; Cytokines; Depres

2010
Inhibitors of indoleamine 2,3-dioxygenase: a review of novel patented lead compounds.
    Expert opinion on therapeutic patents, 2010, Volume: 20, Issue:2

    Topics: Animals; Autoimmunity; Drug Evaluation, Preclinical; Enzyme Inhibitors; Humans; Immune Tolerance; In

2010
Tryptophan metabolism, from nutrition to potential therapeutic applications.
    Amino acids, 2011, Volume: 41, Issue:5

    Topics: Animals; Drug Therapy; Humans; Infections; Inflammation; Kynurenine; Nutritional Status; Tryptophan

2011
Inflammation-associated depression: from serotonin to kynurenine.
    Psychoneuroendocrinology, 2011, Volume: 36, Issue:3

    Topics: Animals; Cytokines; Depression; Disease Models, Animal; Humans; Inflammation; Kynurenine; Models, Bi

2011
Kynurenine pathway in schizophrenia: pathophysiological and therapeutic aspects.
    Current pharmaceutical design, 2011, Volume: 17, Issue:2

    Topics: Animals; Anti-Inflammatory Agents; Antipsychotic Agents; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenas

2011
Bridging the gap between the immune and glutamate hypotheses of schizophrenia and major depression: Potential role of glial NMDA receptor modulators and impaired blood-brain barrier integrity.
    The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry, 2012, Volume: 13, Issue:7

    Topics: Blood-Brain Barrier; Depressive Disorder, Major; Glutamic Acid; Humans; Inflammation; Kynurenine; Ne

2012
The kynurenine system and immunoregulation.
    Journal of neural transmission (Vienna, Austria : 1996), 2012, Volume: 119, Issue:2

    Topics: Animals; Humans; Immune Tolerance; Immunomodulation; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammat

2012
Inflammation and repeated infections in CGD: two sides of a coin.
    Cellular and molecular life sciences : CMLS, 2012, Volume: 69, Issue:1

    Topics: Animals; Female; Granulomatous Disease, Chronic; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Infla

2012
The role of the kynurenine metabolism in major depression.
    Journal of neural transmission (Vienna, Austria : 1996), 2012, Volume: 119, Issue:2

    Topics: Animals; Antidepressive Agents; Depressive Disorder, Major; Humans; Inflammation; Kynurenine; Trypto

2012
The crossroads of neuroinflammation in infectious diseases: endothelial cells and astrocytes.
    Trends in parasitology, 2012, Volume: 28, Issue:8

    Topics: Astrocytes; Communicable Diseases; Endothelial Cells; Humans; Inflammation; Kynurenine; Neurons; Qui

2012
Inflammation in schizophrenia.
    Advances in protein chemistry and structural biology, 2012, Volume: 88

    Topics: Antipsychotic Agents; Brain; Humans; Inflammation; Kynurenine; Macrophages; Microglia; Monocytes; Sc

2012
The kynurenine pathway in neurodegenerative diseases: mechanistic and therapeutic considerations.
    Journal of the neurological sciences, 2012, Dec-15, Volume: 323, Issue:1-2

    Topics: Aging; Alzheimer Disease; Amyotrophic Lateral Sclerosis; Animals; Enzyme Inhibitors; Humans; Hunting

2012
Indoleamine 2,3-dioxygenase and dendritic cell tolerogenicity.
    Immunological investigations, 2012, Volume: 41, Issue:6-7

    Topics: Animals; Autoimmunity; Cell Lineage; Dendritic Cells; Gene Expression Regulation; Humans; Immune Tol

2012
Implications for the kynurenine pathway and quinolinic acid in amyotrophic lateral sclerosis.
    Neuro-degenerative diseases, 2005, Volume: 2, Issue:3-4

    Topics: Amyotrophic Lateral Sclerosis; Animals; Humans; Inflammation; Kynurenine; Models, Neurological; Moto

2005
IL-17 and therapeutic kynurenines in pathogenic inflammation to fungi.
    Journal of immunology (Baltimore, Md. : 1950), 2008, Apr-15, Volume: 180, Issue:8

    Topics: Animals; Cytokines; Fungi; Humans; Immune Reconstitution Inflammatory Syndrome; Indoleamine-Pyrrole

2008

Trials

10 trials available for kynurenine and Innate Inflammatory Response

ArticleYear
Vitamin e-loaded membrane dialyzers reduce hemodialysis inflammaging.
    BMC nephrology, 2019, 11-15, Volume: 20, Issue:1

    Topics: Bicarbonates; C-Reactive Protein; Cross-Over Studies; Down-Regulation; Female; Hemodiafiltration; Hu

2019
Toward a neuroprotective shift: Eight weeks of high intensity interval training reduces the neurotoxic kynurenine activity concurrently to impulsivity in emotionally impulsive humans - A randomized controlled trial.
    Brain, behavior, and immunity, 2021, Volume: 96

    Topics: Animals; High-Intensity Interval Training; Humans; Impulsive Behavior; Inflammation; Kynurenine; Mic

2021
Intravenous administration of LPS activates the kynurenine pathway in healthy male human subjects: a prospective placebo-controlled cross-over trial.
    Journal of neuroinflammation, 2021, Jul-17, Volume: 18, Issue:1

    Topics: Administration, Intravenous; Adolescent; Adult; C-Reactive Protein; Cross-Over Studies; Humans; Infl

2021
Intravenous administration of LPS activates the kynurenine pathway in healthy male human subjects: a prospective placebo-controlled cross-over trial.
    Journal of neuroinflammation, 2021, Jul-17, Volume: 18, Issue:1

    Topics: Administration, Intravenous; Adolescent; Adult; C-Reactive Protein; Cross-Over Studies; Humans; Infl

2021
Intravenous administration of LPS activates the kynurenine pathway in healthy male human subjects: a prospective placebo-controlled cross-over trial.
    Journal of neuroinflammation, 2021, Jul-17, Volume: 18, Issue:1

    Topics: Administration, Intravenous; Adolescent; Adult; C-Reactive Protein; Cross-Over Studies; Humans; Infl

2021
Intravenous administration of LPS activates the kynurenine pathway in healthy male human subjects: a prospective placebo-controlled cross-over trial.
    Journal of neuroinflammation, 2021, Jul-17, Volume: 18, Issue:1

    Topics: Administration, Intravenous; Adolescent; Adult; C-Reactive Protein; Cross-Over Studies; Humans; Infl

2021
Low-grade inflammation and tryptophan-kynurenine pathway activation are associated with adverse cardiac remodeling in primary hyperparathyroidism: the EPATH trial.
    Clinical chemistry and laboratory medicine, 2017, Jun-27, Volume: 55, Issue:7

    Topics: Aged; Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Echocardiography; Female; Humans; Hyp

2017
Exercise-mediated improvement of depression in patients with gastro-esophageal junction cancer is linked to kynurenine metabolism.
    Acta oncologica (Stockholm, Sweden), 2019, Volume: 58, Issue:5

    Topics: Aged; Anxiety; Depression; Exercise; Female; Humans; Inflammation; Kynurenic Acid; Kynurenine; Male;

2019
Kynurenine metabolism and inflammation-induced depressed mood: A human experimental study.
    Psychoneuroendocrinology, 2019, Volume: 109

    Topics: Adult; Affect; Cytokines; Depression; Endotoxins; Female; Humans; Inflammation; Interleukin-6; Kynur

2019
Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o
    The Journal of nutrition, 2015, Volume: 145, Issue:1

    Topics: Adult; Biomarkers; Carbon; Contraceptives, Oral, Hormonal; Female; Humans; Inflammation; Kynurenic A

2015
Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o
    The Journal of nutrition, 2015, Volume: 145, Issue:1

    Topics: Adult; Biomarkers; Carbon; Contraceptives, Oral, Hormonal; Female; Humans; Inflammation; Kynurenic A

2015
Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o
    The Journal of nutrition, 2015, Volume: 145, Issue:1

    Topics: Adult; Biomarkers; Carbon; Contraceptives, Oral, Hormonal; Female; Humans; Inflammation; Kynurenic A

2015
Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives o
    The Journal of nutrition, 2015, Volume: 145, Issue:1

    Topics: Adult; Biomarkers; Carbon; Contraceptives, Oral, Hormonal; Female; Humans; Inflammation; Kynurenic A

2015
Impact of cholesterol lowering treatment on plasma kynurenine and tryptophan concentrations in chronic kidney disease: relationship with oxidative stress improvement.
    Nutrition, metabolism, and cardiovascular diseases : NMCD, 2015, Volume: 25, Issue:2

    Topics: Aged; Allantoin; Anticholesteremic Agents; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Dose-Res

2015
Kynurenine metabolites and inflammation markers in depressed patients treated with fluoxetine or counselling.
    Clinical and experimental pharmacology & physiology, 2009, Volume: 36, Issue:4

    Topics: Adult; Antidepressive Agents; Biomarkers; Counseling; Depression; Drug Therapy, Combination; Female;

2009
Depressive and anxiety symptoms in the early puerperium are related to increased degradation of tryptophan into kynurenine, a phenomenon which is related to immune activation.
    Life sciences, 2002, Sep-06, Volume: 71, Issue:16

    Topics: Adult; Anxiety; Depression; Female; Humans; Immunity; Inflammation; Interleukin-6; Interleukin-8; Ky

2002

Other Studies

180 other studies available for kynurenine and Innate Inflammatory Response

ArticleYear
Alterations of kynurenine pathway in alcohol use disorder and abstinence: a link with gut microbiota, peripheral inflammation and psychological symptoms.
    Translational psychiatry, 2021, 10-01, Volume: 11, Issue:1

    Topics: Alcoholism; Gastrointestinal Microbiome; Humans; Inflammation; Kynurenic Acid; Kynurenine; Quinolini

2021
Lithium inhibits tryptophan catabolism via the inflammation-induced kynurenine pathway in human microglia.
    Glia, 2022, Volume: 70, Issue:3

    Topics: Glycogen Synthase Kinase 3; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Induced Pluripotent Stem C

2022
The Role of Kynurenines in Cognitive Dysfunction in Bipolar Disorder.
    Neuropsychobiology, 2022, Volume: 81, Issue:3

    Topics: Bipolar Disorder; Cognitive Dysfunction; Humans; Inflammation; Kynurenic Acid; Kynurenine; Tryptopha

2022
Tryptophan 2,3-dioxygenase 2 plays a key role in regulating the activation of fibroblast-like synoviocytes in autoimmune arthritis.
    British journal of pharmacology, 2022, Volume: 179, Issue:12

    Topics: Animals; Arthritis, Rheumatoid; Cell Movement; Cells, Cultured; Dioxygenases; Fibroblasts; Inflammat

2022
Association between the indole pathway of tryptophan metabolism and subclinical depressive symptoms in obesity: a preliminary study.
    International journal of obesity (2005), 2022, Volume: 46, Issue:4

    Topics: C-Reactive Protein; Depression; Humans; Indoles; Inflammation; Kynurenine; Obesity; Tryptophan

2022
Gestational Insulin Resistance Is Mediated by the Gut Microbiome-Indoleamine 2,3-Dioxygenase Axis.
    Gastroenterology, 2022, Volume: 162, Issue:6

    Topics: Animals; Female; Gastrointestinal Microbiome; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflamma

2022
Kynurenine pathway of tryptophan metabolism in patients with familial Mediterranean fever.
    Modern rheumatology, 2023, Mar-02, Volume: 33, Issue:2

    Topics: Case-Control Studies; Familial Mediterranean Fever; Humans; Inflammation; Kynurenine; Tryptophan

2023
Editorial: Multiple Implications of the Kynurenine Pathway in Inflammatory Diseases: Diagnostic and Therapeutic Applications.
    Frontiers in immunology, 2022, Volume: 13

    Topics: Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Kynurenine; Tryptophan

2022
Development of a translational inflammation panel for the quantification of cerebrospinal fluid Pterin, Tryptophan-Kynurenine and Nitric oxide pathway metabolites.
    EBioMedicine, 2022, Volume: 77

    Topics: Chromatography, Liquid; Humans; Inflammation; Kynurenine; Nitric Oxide; Pilot Projects; Pterins; Tan

2022
Circulating Metabolites Associate With and Improve the Prediction of All-Cause Mortality in Type 2 Diabetes.
    Diabetes, 2022, 06-01, Volume: 71, Issue:6

    Topics: Biomarkers; Diabetes Mellitus, Type 2; Humans; Inflammation; Kynurenine; Tryptophan

2022
Inflammation and serotonin deficiency in major depressive disorder: molecular docking of antidepressant and anti-inflammatory drugs to tryptophan and indoleamine 2,3-dioxygenases.
    Bioscience reports, 2022, 05-27, Volume: 42, Issue:5

    Topics: Anti-Inflammatory Agents; Antidepressive Agents; Depressive Disorder, Major; Humans; Indoleamine-Pyr

2022
Influence of periodontal inflammation on tryptophan-kynurenine metabolism: a cross-sectional study.
    Clinical oral investigations, 2022, Volume: 26, Issue:9

    Topics: Cross-Sectional Studies; Humans; Inflammation; Interleukin-6; Kynurenic Acid; Kynurenine; Quinolinic

2022
Metabolites and growth factors produced by airway epithelial cells induce tolerance in macrophages.
    Life sciences, 2022, Aug-01, Volume: 302

    Topics: Epithelial Cells; Granulocyte Colony-Stimulating Factor; Humans; Inflammation; Interleukin-10; Kynur

2022
Urine metabolomics links dysregulation of the tryptophan-kynurenine pathway to inflammation and severity of COVID-19.
    Scientific reports, 2022, 06-15, Volume: 12, Issue:1

    Topics: Biomarkers; Chromatography, Liquid; COVID-19; Humans; Inflammation; Kynurenine; Metabolomics; SARS-C

2022
Kynurenines in polycystic kidney disease.
    Journal of nephrology, 2023, Volume: 36, Issue:1

    Topics: Adult; Child; Disease Progression; Glomerular Filtration Rate; Humans; Inflammation; Kidney; Kynuren

2023
Plasma metabolomic profiling reflects the malnourished and chronic inflammatory state in recessive dystrophic epidermolysis bullosa.
    Journal of dermatological science, 2022, Volume: 107, Issue:2

    Topics: Chromatography, Liquid; Epidermolysis Bullosa Dystrophica; Fibrosis; Glutamates; Glutamine; Humans;

2022
A combination of neuroimaging and plasma metabolomic analysis suggests inflammation is associated with white matter structural connectivity in major depressive disorder.
    Journal of affective disorders, 2022, 12-01, Volume: 318

    Topics: Brain; Depressive Disorder, Major; Humans; Inflammation; Kynurenine; Lysophosphatidylcholines; Magne

2022
Tryptophan Modulatory Role in European Seabass (
    International journal of molecular sciences, 2022, Oct-18, Volume: 23, Issue:20

    Topics: Animal Feed; Animals; Bass; Disease Resistance; Hydrocortisone; Inflammation; Kynurenine; Membrane G

2022
A kynurenine pathway enzyme aminocarboxymuconate-semialdehyde decarboxylase may be involved in treatment-resistant depression, and baseline inflammation status of patients predicts treatment response: a pilot study.
    Journal of neural transmission (Vienna, Austria : 1996), 2022, Volume: 129, Issue:12

    Topics: Biomarkers; Depression; Depressive Disorder, Treatment-Resistant; Electroconvulsive Therapy; Humans;

2022
Involvement of kynurenine pathway between inflammation and glutamate in the underlying etiopathology of CUMS-induced depression mouse model.
    BMC neuroscience, 2022, 11-10, Volume: 23, Issue:1

    Topics: Animals; Depression; Disease Models, Animal; Glutamic Acid; Indoleamine-Pyrrole 2,3,-Dioxygenase; In

2022
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients.
    The Journal of clinical investigation, 2023, 01-17, Volume: 133, Issue:2

    Topics: Acute Disease; Delirium; Hip Fractures; Humans; Inflammation; Kynurenine; Quinolinic Acid

2023
Systemic Activation of the Kynurenine Pathway in Graves Disease With and Without Ophthalmopathy.
    The Journal of clinical endocrinology and metabolism, 2023, 05-17, Volume: 108, Issue:6

    Topics: Biomarkers; Graves Disease; Graves Ophthalmopathy; Humans; Inflammation; Interferon-gamma; Kynurenin

2023
A cross-sectional study of inflammatory markers as determinants of circulating kynurenines in the Lung Cancer Cohort Consortium.
    Scientific reports, 2023, 01-18, Volume: 13, Issue:1

    Topics: Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Humans; Inflammation; Interferon-gamma; Kyn

2023
Impaired kynurenine metabolism in patients with primary Sjögren's syndrome.
    Clinical biochemistry, 2023, Volume: 114

    Topics: Chromatography, Liquid; Humans; Inflammation; Kynurenine; Sjogren's Syndrome; Tandem Mass Spectromet

2023
A Vegetarian Diet Significantly Changes Plasma Kynurenine Concentrations.
    Biomolecules, 2023, 02-18, Volume: 13, Issue:2

    Topics: Biomarkers; Diet, Vegetarian; Female; Humans; Inflammation; Kynurenine; Riboflavin; Tryptophan

2023
Stress and Kynurenine-Inflammation Pathway in Major Depressive Disorder.
    Advances in experimental medicine and biology, 2023, Volume: 1411

    Topics: Depressive Disorder, Major; Dioxygenases; Humans; Inflammation; Kynurenine; Quality of Life; Tryptop

2023
PTSD, Immune System, and Inflammation.
    Advances in experimental medicine and biology, 2023, Volume: 1411

    Topics: Humans; Hypothalamo-Hypophyseal System; Immune System; Inflammation; Kynurenine; Pituitary-Adrenal S

2023
Body fat and components of sarcopenia relate to inflammation, brain volume, and neurometabolism in older adults.
    Neurobiology of aging, 2023, Volume: 127

    Topics: Adipose Tissue; Aged; Aged, 80 and over; Biomarkers; Brain; Creatine; Encephalitis; Hand Strength; H

2023
A tryptophan metabolite prevents depletion of circulating endothelial progenitor cells in systemic low-grade inflammation.
    Frontiers in immunology, 2023, Volume: 14

    Topics: Animals; C-Reactive Protein; Endothelial Progenitor Cells; Inflammation; Kynurenine; Lipopolysacchar

2023
CSF neopterin, quinolinic acid and kynurenine/tryptophan ratio are biomarkers of active neuroinflammation.
    EBioMedicine, 2023, Volume: 91

    Topics: Adolescent; Biomarkers; Child; Child, Preschool; Humans; Infant; Inflammation; Kynurenine; Leukocyto

2023
Tryptophan metabolism determines outcome in tuberculous meningitis: a targeted metabolomic analysis.
    eLife, 2023, 05-09, Volume: 12

    Topics: Adult; HIV Infections; Humans; Inflammation; Kynurenine; Meningitis, Cryptococcal; Tryptophan; Tuber

2023
Monitoring of strength, inflammation and muscle function in allogenic stem-cell transplantation patients - a pilot study for novel biomarker and risk stratification determination.
    Frontiers in immunology, 2023, Volume: 14

    Topics: Adult; Aged; Biomarkers; C-Reactive Protein; Fatigue; Female; Galectin 3; Hematopoietic Stem Cell Tr

2023
Kynurenine monooxygenase regulates inflammation during critical illness and recovery in experimental acute pancreatitis.
    Cell reports, 2023, 08-29, Volume: 42, Issue:8

    Topics: Acute Disease; Animals; Critical Illness; Inflammation; Kynurenine; Kynurenine 3-Monooxygenase; Mice

2023
The effect of inflammation, SARS-CoV-2 infection, age and mental health on serotonin, and kynurenine and catecholamine pathway metabolites.
    Psychoneuroendocrinology, 2023, Volume: 156

    Topics: COVID-19; Cross-Sectional Studies; Dopamine; Humans; Inflammation; Kynurenine; Mental Health; Phenyl

2023
Does smoking influence tryptophan metabolism in periodontal inflammation? A cross-sectional study.
    Journal of periodontal research, 2023, Volume: 58, Issue:5

    Topics: Biomarkers; Cross-Sectional Studies; Humans; Inflammation; Interleukin-6; Kynurenine; Periodontal Di

2023
Inhibition of STAT-mediated cytokine responses to chemically-induced colitis prevents inflammation-associated neurobehavioral impairments.
    Brain, behavior, and immunity, 2023, Volume: 114

    Topics: Animals; Colitis; Cytokines; Dextran Sulfate; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Ky

2023
Simultaneous separation and detection of nine kynurenine pathway metabolites by reversed-phase liquid chromatography-mass spectrometry: Quantitation of inflammation in human cerebrospinal fluid and plasma.
    Analytica chimica acta, 2023, Oct-16, Volume: 1278

    Topics: Chromatography, Liquid; Chromatography, Reverse-Phase; Humans; Inflammation; Kynurenine; Tandem Mass

2023
Correlation between immune-related Tryptophan-Kynurenine pathway and severity of severe pneumonia and inflammation-related polyunsaturated fatty acids.
    Immunity, inflammation and disease, 2023, Volume: 11, Issue:11

    Topics: Arachidonic Acid; Fatty Acids, Omega-3; Fatty Acids, Unsaturated; Humans; Hydroxyeicosatetraenoic Ac

2023
A mood state-specific interaction between kynurenine metabolism and inflammation is present in bipolar disorder.
    Bipolar disorders, 2020, Volume: 22, Issue:1

    Topics: Adult; Affect; Biomarkers; Bipolar Disorder; C-Reactive Protein; Depression; Female; Humans; Inflamm

2020
Role of the kynurenine pathway and the endocannabinoid system as modulators of inflammation and personality traits.
    Psychoneuroendocrinology, 2019, Volume: 110

    Topics: Adult; Anxiety Disorders; Arachidonic Acids; Cohort Studies; Endocannabinoids; Female; Glycerides; H

2019
Abdominal Adipose Tissue Is Associated With Alterations in Tryptophan-Kynurenine Metabolism and Markers of Systemic Inflammation in People With Human Immunodeficiency Virus.
    The Journal of infectious diseases, 2020, 01-14, Volume: 221, Issue:3

    Topics: Abdominal Fat; Aged; Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Female; HIV; HIV Infec

2020
Why Am I Getting Fat? Exploring Immune-Metabolic Pathways to Central Fat Accumulation in Persons With HIV.
    The Journal of infectious diseases, 2020, 01-14, Volume: 221, Issue:3

    Topics: Abdominal Fat; HIV; HIV Infections; Humans; Inflammation; Kynurenine; Metabolic Networks and Pathway

2020
Impaired metabolism of kynurenine and its metabolites in CSF of parkinson's disease.
    Neuroscience letters, 2020, 01-01, Volume: 714

    Topics: Aged; Case-Control Studies; Cytokines; Female; Humans; Inflammation; Interferon-gamma; Interleukin-1

2020
Inflammation and kynurenine pathway dysregulation in post-partum women with severe and suicidal depression.
    Brain, behavior, and immunity, 2020, Volume: 83

    Topics: Adult; Cross-Sectional Studies; Depression, Postpartum; Female; Humans; Inflammation; Kynurenine; Po

2020
Effects of IDO1 and TDO2 inhibition on cognitive deficits and anxiety following LPS-induced neuroinflammation.
    Acta neuropsychiatrica, 2020, Volume: 32, Issue:1

    Topics: Animals; Anti-Anxiety Agents; Anxiety; Behavior, Animal; Brain; Cognitive Dysfunction; Enzyme Inhibi

2020
Associations among peripheral and central kynurenine pathway metabolites and inflammation in depression.
    Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2020, Volume: 45, Issue:6

    Topics: Depression; Humans; Inflammation; Kynurenic Acid; Kynurenine; Tryptophan

2020
Quinolinate as a Marker for Kynurenine Metabolite Formation and the Unresolved Question of NAD
    Frontiers in immunology, 2020, Volume: 11

    Topics: Animals; Biomarkers; Cell Movement; Gerbillinae; Hippocampus; HSP90 Heat-Shock Proteins; Immunity; I

2020
Evidence that a deviation in the kynurenine pathway aggravates atherosclerotic disease in humans.
    Journal of internal medicine, 2021, Volume: 289, Issue:1

    Topics: Carotid Artery Diseases; Down-Regulation; Humans; Inflammation; Kynurenic Acid; Kynurenine; Macropha

2021
Kynurenines link chronic inflammation to functional decline and physical frailty.
    JCI insight, 2020, 08-20, Volume: 5, Issue:16

    Topics: Adult; Aged; Aged, 80 and over; Animals; Arginine; Chronic Disease; Cytokines; Disease Models, Anima

2020
Dysregulation of tryptophan catabolism at the host-skin microbiota interface in hidradenitis suppurativa.
    JCI insight, 2020, 10-15, Volume: 5, Issue:20

    Topics: Adult; Axilla; Female; Fibroblasts; Hidradenitis Suppurativa; Host Microbial Interactions; Humans; I

2020
C-Reactive Protein as a Possible Predictor of Trail-Making Performance in Individuals with Psychiatric Disorders.
    Nutrients, 2020, Oct-02, Volume: 12, Issue:10

    Topics: Adult; Aged; Biomarkers; C-Reactive Protein; Cognitive Dysfunction; Female; Humans; Inflammation; In

2020
Kynurenine pathway dysregulation in postpartum depression.
    Brain, behavior, and immunity, 2021, Volume: 91

    Topics: Depression, Postpartum; Female; Humans; Inflammation; Kynurenine; Postpartum Period; Suicidal Ideati

2021
Regarding letter on "Kynurenine pathway dysregulation in postpartum depression", by Achtyes et al, 2020.
    Brain, behavior, and immunity, 2021, Volume: 91

    Topics: Depression, Postpartum; Female; Humans; Inflammation; Kynurenine; Postpartum Period; Suicidal Ideati

2021
Involvement of Indoleamine-2,3-Dioxygenase and Kynurenine Pathway in Experimental Autoimmune Encephalomyelitis in Mice.
    Neurochemical research, 2020, Volume: 45, Issue:12

    Topics: Animals; Body Weight; Cytokines; Encephalomyelitis, Autoimmune, Experimental; Enzyme Inhibitors; Fem

2020
Hepatocyte-intrinsic type I interferon signaling reprograms metabolism and reveals a novel compensatory mechanism of the tryptophan-kynurenine pathway in viral hepatitis.
    PLoS pathogens, 2020, Volume: 16, Issue:10

    Topics: Animals; Antiviral Agents; Female; Hepatitis Viruses; Hepatitis, Viral, Animal; Hepatocytes; Humans;

2020
Plasma Kynurenine to Tryptophan Ratio Is Negatively Associated with Linear Growth of Children Living in a Slum of Bangladesh: Results from a Community-Based Intervention Study.
    The American journal of tropical medicine and hygiene, 2020, 11-23, Volume: 104, Issue:2

    Topics: Bangladesh; Biomarkers; Chromatography, Liquid; Cohort Studies; Female; Growth and Development; Grow

2020
Associations between estrogen and progesterone, the kynurenine pathway, and inflammation in the post-partum.
    Journal of affective disorders, 2021, 02-15, Volume: 281

    Topics: Depression, Postpartum; Estrogens; Female; Humans; Inflammation; Kynurenine; Postpartum Period; Preg

2021
Differential effects on blood and cerebrospinal fluid immune protein markers and kynurenine pathway metabolites from aerobic physical exercise in healthy subjects.
    Scientific reports, 2021, 01-18, Volume: 11, Issue:1

    Topics: Adult; Biomarkers; Chromatography, Liquid; Exercise; Female; Humans; Inflammation; Kynurenine; Male;

2021
Early-Life Stress Modulates Gut Microbiota and Peripheral and Central Inflammation in a Sex-Dependent Manner.
    International journal of molecular sciences, 2021, Feb-14, Volume: 22, Issue:4

    Topics: Animals; Animals, Newborn; Cytokines; Female; Gastrointestinal Microbiome; Hippocampus; Inflammation

2021
Inflammation, negative affect, and amyloid burden in Alzheimer's disease: Insights from the kynurenine pathway.
    Brain, behavior, and immunity, 2021, Volume: 95

    Topics: Alzheimer Disease; Amyloid beta-Peptides; Cognitive Dysfunction; Humans; Inflammation; Kynurenine

2021
Association of Markers of Inflammation, the Kynurenine Pathway and B Vitamins with Age and Mortality, and a Signature of Inflammaging.
    The journals of gerontology. Series A, Biological sciences and medical sciences, 2022, 04-01, Volume: 77, Issue:4

    Topics: Aged; Biomarkers; Cohort Studies; Humans; Inflammation; Kynurenine; Vitamin B Complex

2022
Gut ACE2 Expression, Tryptophan Deficiency, and Inflammatory Responses The Potential Connection That Should Not Be Ignored During SARS-CoV-2 Infection.
    Cellular and molecular gastroenterology and hepatology, 2021, Volume: 12, Issue:4

    Topics: Angiotensin-Converting Enzyme 2; Animals; COVID-19; Cytokines; Epithelial Cells; Inflammation; Intes

2021
Epidemiology of 40 blood biomarkers of one-carbon metabolism, vitamin status, inflammation, and renal and endothelial function among cancer-free older adults.
    Scientific reports, 2021, 07-05, Volume: 11, Issue:1

    Topics: Aged; Aged, 80 and over; Biomarkers; Body Mass Index; C-Reactive Protein; Carbon; Female; Humans; In

2021
The association between plasma tryptophan catabolites and depression: The role of symptom profiles and inflammation.
    Brain, behavior, and immunity, 2021, Volume: 97

    Topics: Depression; Depressive Disorder, Major; Humans; Inflammation; Kynurenic Acid; Kynurenine; Tryptophan

2021
3-hydroxy-L-kynurenamine is an immunomodulatory biogenic amine.
    Nature communications, 2021, 07-21, Volume: 12, Issue:1

    Topics: Animals; Biogenic Amines; Cell Line, Tumor; Dendritic Cells; Disease Models, Animal; Endothelial Cel

2021
The genetic architecture of plasma kynurenine includes cardiometabolic disease mechanisms associated with the SH2B3 gene.
    Scientific reports, 2021, 08-02, Volume: 11, Issue:1

    Topics: Animals; Biomarkers; C-Reactive Protein; Inflammation; Kynurenine; Male; Mice; Polymorphism, Single

2021
Hypoxic preconditioning protects against ischemic kidney injury through the IDO1/kynurenine pathway.
    Cell reports, 2021, 08-17, Volume: 36, Issue:7

    Topics: Animals; Hypoxia; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Ischemia; Kidney; Kynurenine;

2021
Association between psychological measures with inflammatory anddisease-related markers of inflammatory bowel disease.
    International journal of psychiatry in clinical practice, 2017, Volume: 21, Issue:3

    Topics: Adult; Aged; Anxiety; Biomarkers; C-Reactive Protein; Case-Control Studies; Colon; Depression; Femal

2017
Metabolomics Study of the Effects of Inflammation, Hypoxia, and High Glucose on Isolated Human Pancreatic Islets.
    Journal of proteome research, 2017, 06-02, Volume: 16, Issue:6

    Topics: Biomarkers; Humans; Hyperglycemia; Hypoxia; Inflammation; Insulin; Insulin Secretion; Islets of Lang

2017
Serum kynurenic acid is reduced in affective psychosis.
    Translational psychiatry, 2017, 05-02, Volume: 7, Issue:5

    Topics: Adult; Affective Disorders, Psychotic; Bipolar Disorder; Corpus Striatum; Cytokines; Depression; Dep

2017
The tryptophan/kynurenine pathway, systemic inflammation, and long-term outcome after kidney transplantation.
    American journal of physiology. Renal physiology, 2017, 08-01, Volume: 313, Issue:2

    Topics: Adult; Biomarkers; Chromatography, Liquid; Female; Graft Rejection; Graft Survival; Humans; Inflamma

2017
Rescue of IL-1β-induced reduction of human neurogenesis by omega-3 fatty acids and antidepressants.
    Brain, behavior, and immunity, 2017, Volume: 65

    Topics: Antidepressive Agents; Cell Culture Techniques; Cytokines; Depression; Depressive Disorder, Major; D

2017
Possible changes of New-Generation inflammation markers with occupational lead exposure.
    Journal of occupational health, 2017, Jul-27, Volume: 59, Issue:4

    Topics: Adult; Biomarkers; Chromatography, High Pressure Liquid; Hospitals; Humans; Indoleamine-Pyrrole 2,3,

2017
IgM-mediated autoimmune responses to oxidative specific epitopes, but not nitrosylated adducts, are significantly decreased in pregnancy: association with bacterial translocation, perinatal and lifetime major depression and the tryptophan catabolite (TRYC
    Metabolic brain disease, 2017, Volume: 32, Issue:5

    Topics: Adult; Autoimmunity; Bacterial Translocation; Biomarkers; Cytokines; Depression, Postpartum; Depress

2017
Major Depression as a Neuroprogressive Prelude to Dementia: What Is the Evidence?
    Modern trends in pharmacopsychiatry, 2017, Volume: 31

    Topics: Brain; Cytokines; Dementia; Depressive Disorder, Major; Humans; Inflammation; Kynurenine; Oxidative

2017
Total sleep time and kynurenine metabolism associated with mood symptom severity in bipolar disorder.
    Bipolar disorders, 2018, Volume: 20, Issue:1

    Topics: Adult; Affect; Biomarkers; Bipolar Disorder; Depression; Female; Humans; Inflammation; Kynurenine; M

2018
Activation of indoleamine 2, 3- dioxygenase pathway by olanzapine augments antidepressant effects of venlafaxine in mice.
    Psychiatry research, 2017, Volume: 258

    Topics: Animals; Antidepressive Agents; Antipsychotic Agents; Benzodiazepines; Depression; Depressive Disord

2017
HIV/Human herpesvirus co-infections: Impact on tryptophan-kynurenine pathway and immune reconstitution.
    PloS one, 2017, Volume: 12, Issue:10

    Topics: Adult; Antibodies, Viral; Antiretroviral Therapy, Highly Active; CD4-Positive T-Lymphocytes; Coinfec

2017
Associations Among Obesity, Inflammation, and Tryptophan Catabolism in Pregnancy.
    Biological research for nursing, 2018, Volume: 20, Issue:3

    Topics: Adult; Biomarkers; Body Mass Index; Cross-Sectional Studies; Female; Humans; Indoleamine-Pyrrole 2,3

2018
Glia- and tissue-specific changes in the Kynurenine Pathway after treatment of mice with lipopolysaccharide and dexamethasone.
    Brain, behavior, and immunity, 2018, Volume: 69

    Topics: Animals; Brain; Cytokines; Dexamethasone; Glucocorticoids; Inflammation; Kynurenine; Lipopolysacchar

2018
Inflammatory markers, the tryptophan-kynurenine pathway, and vitamin B status after bariatric surgery.
    PloS one, 2018, Volume: 13, Issue:2

    Topics: Adult; Bariatric Surgery; Biomarkers; C-Reactive Protein; Female; Glycated Hemoglobin; Humans; Infla

2018
Impact of HIV and Type 2 diabetes on Gut Microbiota Diversity, Tryptophan Catabolism and Endothelial Dysfunction.
    Scientific reports, 2018, 04-30, Volume: 8, Issue:1

    Topics: Arginine; Cardiovascular Diseases; Diabetes Mellitus, Type 2; Endothelium; Feces; Female; Gastrointe

2018
Kynurenine pathway metabolic balance influences microglia activity: Targeting kynurenine monooxygenase to dampen neuroinflammation.
    Psychoneuroendocrinology, 2018, Volume: 94

    Topics: Animals; Brain; Cell Line; Homeostasis; Hypothalamo-Hypophyseal System; Inflammation; Interleukin-1b

2018
Psychosocial stress and inflammation driving tryptophan breakdown in children and adolescents: A cross-sectional analysis of two cohorts.
    Psychoneuroendocrinology, 2018, Volume: 94

    Topics: Adolescent; C-Reactive Protein; Child; Cohort Studies; Cross-Sectional Studies; Cytokines; Depressio

2018
Tryptophan Metabolism through the Kynurenine Pathway is Associated with Endoscopic Inflammation in Ulcerative Colitis.
    Inflammatory bowel diseases, 2018, 06-08, Volume: 24, Issue:7

    Topics: Adolescent; Adult; Aged; Biomarkers; Case-Control Studies; Chromatography, High Pressure Liquid; Col

2018
Fish oil ameliorates sickness behavior induced by lipopolysaccharide in aged mice through the modulation of kynurenine pathway.
    The Journal of nutritional biochemistry, 2018, Volume: 58

    Topics: Aging; Anhedonia; Animals; Behavior, Animal; Biomarkers; Body Weight; Brain; Cytokines; Fish Oils; I

2018
The NRF2‑PGC‑1β pathway activates kynurenine aminotransferase 4 via attenuation of an E3 ubiquitin ligase, synoviolin, in a cecal ligation/perforation‑induced septic mouse model.
    Molecular medicine reports, 2018, Volume: 18, Issue:2

    Topics: Animals; Cecum; Disease Models, Animal; Humans; Inflammation; Kynurenine; Mice; NF-E2-Related Factor

2018
Genetic deficiency of indoleamine 2,3-dioxygenase promotes gut microbiota-mediated metabolic health.
    Nature medicine, 2018, Volume: 24, Issue:8

    Topics: Animals; Diabetes Mellitus, Type 2; Fatty Liver; Gastrointestinal Microbiome; Health; Humans; Indole

2018
Disruption of microglia histone acetylation and protein pathways in mice exhibiting inflammation-associated depression-like symptoms.
    Psychoneuroendocrinology, 2018, Volume: 97

    Topics: Acetylation; Animals; Depression; Disease Models, Animal; Histones; Indoleamine-Pyrrole 2,3,-Dioxyge

2018
Naringenin protects against oxido-inflammatory aberrations and altered tryptophan metabolism in olfactory bulbectomized-mice model of depression.
    Toxicology and applied pharmacology, 2018, 09-15, Volume: 355

    Topics: Animals; Antidepressive Agents; Antidepressive Agents, Second-Generation; Behavior, Animal; Brain Ch

2018
Hypothesis kynurenic and quinolinic acids: The main players of the kynurenine pathway and opponents in inflammatory disease.
    Medical hypotheses, 2018, Volume: 118

    Topics: Animals; Anti-Inflammatory Agents; Humans; Immunosuppressive Agents; Inflammation; Kynurenic Acid; K

2018
A step ahead: Exploring the gut microbiota in inpatients with bipolar disorder during a depressive episode.
    Bipolar disorders, 2019, Volume: 21, Issue:1

    Topics: Biomarkers; Bipolar Disorder; Case-Control Studies; Cross-Sectional Studies; Depression; Depressive

2019
Maternal immune activation in rats blunts brain cytokine and kynurenine pathway responses to a second immune challenge in early adulthood.
    Progress in neuro-psychopharmacology & biological psychiatry, 2019, 03-08, Volume: 89

    Topics: Animals; Brain; Cytokines; Disease Models, Animal; Female; Gene Expression; Inflammation; Kynurenine

2019
Effects of 1-Methyltryptophan on Immune Responses and the Kynurenine Pathway after Lipopolysaccharide Challenge in Pigs.
    International journal of molecular sciences, 2018, Oct-02, Volume: 19, Issue:10

    Topics: Animals; Cytokines; Fibroblasts; Immunity; Inflammation; Kynurenine; Lipopolysaccharides; Lung; Meta

2018
Macrophage de novo NAD
    Nature immunology, 2019, Volume: 20, Issue:1

    Topics: Aging; Animals; Cells, Cultured; Homeostasis; Immunity, Innate; Indoleamine-Pyrrole 2,3,-Dioxygenase

2019
Orchestration of Tryptophan-Kynurenine Pathway, Acute Decompensation, and Acute-on-Chronic Liver Failure in Cirrhosis.
    Hepatology (Baltimore, Md.), 2019, Volume: 69, Issue:4

    Topics: Acute-On-Chronic Liver Failure; Aged; Bacterial Infections; Case-Control Studies; Europe; Female; He

2019
Association of Age-related Macular Degeneration With Mortality in Patients With Acquired Immunodeficiency Syndrome; Role of Systemic Inflammation.
    American journal of ophthalmology, 2019, Volume: 199

    Topics: Acquired Immunodeficiency Syndrome; Adult; Antigens, CD; Biomarkers; C-Reactive Protein; Case-Contro

2019
The kynurenine pathway and cognitive performance in community-dwelling older adults. The Hordaland Health Study.
    Brain, behavior, and immunity, 2019, Volume: 75

    Topics: Aged; Biomarkers; Body Mass Index; C-Reactive Protein; Cognition; Cross-Sectional Studies; Female; H

2019
Kynurenine Is a Cerebrospinal Fluid Biomarker for Bacterial and Viral Central Nervous System Infections.
    The Journal of infectious diseases, 2019, 06-05, Volume: 220, Issue:1

    Topics: Adolescent; Adult; Aged; Aged, 80 and over; Autoimmune Diseases; Biomarkers; Central Nervous System

2019
How acute and chronic physical disease may influence mental health - An Analysis of neurotransmitter precursor amino acid levels.
    Psychoneuroendocrinology, 2019, Volume: 106

    Topics: Acute Disease; Adult; Aged; Amino Acids; Anxiety Disorders; C-Reactive Protein; Chronic Disease; Dep

2019
Inflammation associated with chronic heart failure leads to enhanced susceptibility to depression.
    The FEBS journal, 2019, Volume: 286, Issue:14

    Topics: Animals; Brain; Chronic Disease; Cytokines; Depression; Heart Failure; Hypothalamo-Hypophyseal Syste

2019
Interleukin 33 Expression Induced by Aryl Hydrocarbon Receptor in Macrophages.
    Toxicological sciences : an official journal of the Society of Toxicology, 2019, 08-01, Volume: 170, Issue:2

    Topics: Animals; Basic Helix-Loop-Helix Transcription Factors; Exons; Humans; Inflammation; Interleukin-33;

2019
Changes in tryptophan metabolism during pregnancy and postpartum periods: Potential involvement in postpartum depressive symptoms.
    Journal of affective disorders, 2019, 08-01, Volume: 255

    Topics: Adult; Depression; Female; Humans; Inflammation; Kynurenic Acid; Kynurenine; Postpartum Period; Preg

2019
Circulating markers of cellular immune activation in prediagnostic blood sample and lung cancer risk in the Lung Cancer Cohort Consortium (LC3).
    International journal of cancer, 2020, 05-01, Volume: 146, Issue:9

    Topics: Adenocarcinoma of Lung; Adult; Aged; Biomarkers, Tumor; Carcinoma, Large Cell; Carcinoma, Squamous C

2020
Interplay between inflammation and neural plasticity: Both immune activation and suppression impair LTP and BDNF expression.
    Brain, behavior, and immunity, 2019, Volume: 81

    Topics: Animals; Anti-Inflammatory Agents; Brain-Derived Neurotrophic Factor; Cyclooxygenase Inhibitors; Cyt

2019
Aging leads to prolonged duration of inflammation-induced depression-like behavior caused by Bacillus Calmette-Guérin.
    Brain, behavior, and immunity, 2013, Volume: 32

    Topics: Aging; Anhedonia; Animals; Behavior, Animal; Body Weight; Chronic Disease; Depression; Hindlimb Susp

2013
A community-based study on determinants of circulating markers of cellular immune activation and kynurenines: the Hordaland Health Study.
    Clinical and experimental immunology, 2013, Volume: 173, Issue:1

    Topics: 3-Hydroxyanthranilic Acid; Aged; Aging; Biomarkers; Body Mass Index; Creatinine; Female; Humans; Inf

2013
C-reactive protein predicts fatigue independently of depression in breast cancer patients prior to chemotherapy.
    Brain, behavior, and immunity, 2013, Volume: 34

    Topics: Biomarkers; Breast Neoplasms; C-Reactive Protein; Cytokines; Depression; Fatigue; Female; Humans; In

2013
Metabolite profile analysis reveals functional effects of 28-day vitamin B-6 restriction on one-carbon metabolism and tryptophan catabolic pathways in healthy men and women.
    The Journal of nutrition, 2013, Volume: 143, Issue:11

    Topics: Adult; Biomarkers; Creatine; Cystathionine; Female; Humans; Inflammation; Kynurenic Acid; Kynurenine

2013
Quinolinic acid: neurotoxin or oxidative stress modulator?
    International journal of molecular sciences, 2013, Oct-25, Volume: 14, Issue:11

    Topics: Hormesis; Humans; Hydrogen Peroxide; Inflammation; Iron; Kynurenine; Neurotoxins; Oxidative Stress;

2013
IDO2 is critical for IDO1-mediated T-cell regulation and exerts a non-redundant function in inflammation.
    International immunology, 2014, Volume: 26, Issue:7

    Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; Carcinogens; Cytokines; Dendritic Cells; Female; Gene Exp

2014
Interferon (IFN)-γ-mediated inflammation and the kynurenine pathway in relation to bone mineral density: the Hordaland Health Study.
    Clinical and experimental immunology, 2014, Volume: 176, Issue:3

    Topics: Aged; Biomarkers; Bone Density; Female; Humans; Inflammation; Inflammation Mediators; Interferon-gam

2014
Evidence for increased catabolism of vitamin B-6 during systemic inflammation.
    The American journal of clinical nutrition, 2014, Volume: 100, Issue:1

    Topics: Aged; Biomarkers; Body Mass Index; C-Reactive Protein; Cross-Sectional Studies; Dietary Supplements;

2014
Does tryptophan degradation along the kynurenine pathway mediate the association between pro-inflammatory immune activity and depressive symptoms?
    Psychoneuroendocrinology, 2014, Volume: 45

    Topics: Adolescent; Adult; Aged; Case-Control Studies; Depression; Depressive Disorder, Major; Female; Human

2014
Aryl hydrocarbon receptor control of a disease tolerance defence pathway.
    Nature, 2014, Jul-10, Volume: 511, Issue:7508

    Topics: Animals; Bacterial Infections; Disease Resistance; Endotoxemia; Enzyme Activation; Gene Expression R

2014
Interferon-γ-induced inflammatory markers and the risk of cancer: the Hordaland Health Study.
    Cancer, 2014, Nov-01, Volume: 120, Issue:21

    Topics: Adult; Aged; Biomarkers, Tumor; C-Reactive Protein; Female; Follow-Up Studies; Humans; Inflammation;

2014
A role for inflammatory metabolites as modulators of the glutamate N-methyl-D-aspartate receptor in depression and suicidality.
    Brain, behavior, and immunity, 2015, Volume: 43

    Topics: Adult; Cytokines; Depressive Disorder; Female; Humans; Inflammation; Kynurenic Acid; Kynurenine; Mal

2015
The kynurenine pathway is involved in bacterial meningitis.
    Journal of neuroinflammation, 2014, Oct-02, Volume: 11

    Topics: Adolescent; Adult; Chromatography, High Pressure Liquid; Cytokines; Female; Humans; Inflammation; Ky

2014
Tryptophan catabolism is unaffected in chronic granulomatous disease.
    Nature, 2014, Oct-23, Volume: 514, Issue:7523

    Topics: Animals; Granulomatous Disease, Chronic; Inflammation; Kynurenine; Tryptophan

2014
Romani & Puccetti reply.
    Nature, 2014, Oct-23, Volume: 514, Issue:7523

    Topics: Animals; Granulomatous Disease, Chronic; Inflammation; Kynurenine; Tryptophan

2014
The tryptophan kynurenine pathway, neopterin and IL-6 during vulvectomy and abdominal hysterectomy.
    Journal of biomedical science, 2014, Dec-20, Volume: 21

    Topics: Adult; Aged; Biomarkers; Female; Humans; Hysterectomy; Inflammation; Interleukin-6; Kynurenine; Midd

2014
Inhibition of indoleamine 2,3-dioxygenase promotes vascular inflammation and increases atherosclerosis in Apoe-/- mice.
    Cardiovascular research, 2015, May-01, Volume: 106, Issue:2

    Topics: Animals; Apolipoproteins E; Atherosclerosis; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammat

2015
Interdependent and independent roles of type I interferons and IL-6 in innate immune, neuroinflammatory and sickness behaviour responses to systemic poly I:C.
    Brain, behavior, and immunity, 2015, Volume: 48

    Topics: Animals; Brain; Illness Behavior; Immunity, Innate; Inflammation; Interferon Type I; Interleukin-1be

2015
Increased Plasma Levels of Xanthurenic and Kynurenic Acids in Type 2 Diabetes.
    Molecular neurobiology, 2015, Volume: 52, Issue:2

    Topics: 3-Hydroxyanthranilic Acid; Adult; Aged; Diabetes Mellitus, Type 2; Female; Humans; Hypoglycemic Agen

2015
The kynurenine pathway activities in a sub-Saharan HIV/AIDS population.
    BMC infectious diseases, 2015, Aug-19, Volume: 15

    Topics: Acquired Immunodeficiency Syndrome; Adult; Africa South of the Sahara; Antiretroviral Therapy, Highl

2015
Kynurenine, by activating aryl hydrocarbon receptor, decreases erythropoietin and increases hepcidin production in HepG2 cells: A new mechanism for anemia of inflammation.
    Experimental hematology, 2016, Volume: 44, Issue:1

    Topics: Anemia; Erythropoietin; Hep G2 Cells; Hepcidins; Humans; Inflammation; Kynurenine; Receptors, Aryl H

2016
Influence of Hepatitis C Virus Sustained Virological Response on Immunosuppressive Tryptophan Catabolism in ART-Treated HIV/HCV Coinfected Patients.
    Journal of acquired immune deficiency syndromes (1999), 2016, Mar-01, Volume: 71, Issue:3

    Topics: Adult; Anti-HIV Agents; Biomarkers; Coinfection; Disease Progression; Female; Hepacivirus; Hepatitis

2016
Central kynurenine pathway shift with age in women.
    Journal of neurochemistry, 2016, Volume: 136, Issue:5

    Topics: Adult; Aged; Aged, 80 and over; Aging; Brain; Female; Humans; Inflammation; Kynurenic Acid; Kynureni

2016
Mast cells' involvement in inflammation pathways linked to depression: evidence in mastocytosis.
    Molecular psychiatry, 2016, Volume: 21, Issue:11

    Topics: Depression; Depressive Disorder, Major; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflam

2016
Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality: The Hordaland Health Study.
    American journal of epidemiology, 2016, Feb-15, Volume: 183, Issue:4

    Topics: Aged; Biomarkers; C-Reactive Protein; Female; Humans; Inflammation; Kynurenine; Longitudinal Studies

2016
Inflammation, immunology, stress and depression: a role for kynurenine metabolism in physical exercise and skeletal muscle.
    Acta neuropsychiatrica, 2016, Volume: 28, Issue:4

    Topics: Depression; Depressive Disorder; Exercise; Humans; Inflammation; Kynurenine; Muscle, Skeletal; Stres

2016
Indoleamine-2,3-dioxygenase mediates neurobehavioral alterations induced by an intracerebroventricular injection of amyloid-β1-42 peptide in mice.
    Brain, behavior, and immunity, 2016, Volume: 56

    Topics: Amyloid beta-Peptides; Animals; Anxiety; Behavior, Animal; Depression; Disease Models, Animal; Hippo

2016
Interactions between inflammatory mediators and corticosteroids regulate transcription of genes within the Kynurenine Pathway in the mouse hippocampus.
    Journal of neuroinflammation, 2016, May-03, Volume: 13, Issue:1

    Topics: Adrenal Cortex Hormones; Animals; Gene Expression Regulation; Hippocampus; Indoleamine-Pyrrole 2,3,-

2016
Repeated LPS Injection Induces Distinct Changes in the Kynurenine Pathway in Mice.
    Neurochemical research, 2016, Volume: 41, Issue:9

    Topics: Animals; Brain; Immune System; Inflammation; Kynurenic Acid; Kynurenine; Lipopolysaccharides; Male;

2016
Tryptophan, kynurenine, and kynurenine metabolites: Relationship to lifetime aggression and inflammatory markers in human subjects.
    Psychoneuroendocrinology, 2016, Volume: 71

    Topics: Adult; Aggression; Biomarkers; C-Reactive Protein; Female; Humans; Inflammation; Interleukin-6; Kynu

2016
Tryptophan 2,3-dioxygenase and indoleamine 2,3-dioxygenase 1 make separate, tissue-specific contributions to basal and inflammation-induced kynurenine pathway metabolism in mice.
    Biochimica et biophysica acta, 2016, Volume: 1860, Issue:11 Pt A

    Topics: Animals; Brain; Indoleamine-Pyrrole 2,3,-Dioxygenase; Inflammation; Kynurenine; Lipopolysaccharides;

2016
Effect of cholesterol lowering treatment on plasma markers of endothelial dysfunction in chronic kidney disease.
    Journal of pharmaceutical and biomedical analysis, 2016, Sep-10, Volume: 129

    Topics: Allantoin; Anticholesteremic Agents; Arginine; Biomarkers; Cholesterol; Endothelium; Ezetimibe; Fema

2016
An enzyme in the kynurenine pathway that governs vulnerability to suicidal behavior by regulating excitotoxicity and neuroinflammation.
    Translational psychiatry, 2016, 08-02, Volume: 6, Issue:8

    Topics: Adolescent; Adult; Aged; Alleles; Carboxy-Lyases; Case-Control Studies; Child; Female; Humans; Infla

2016
Serum Immune System Biomarkers Neopterin and Interleukin-10 Are Strongly Related to Tryptophan Metabolism in Healthy Young Adults.
    The Journal of nutrition, 2016, Volume: 146, Issue:9

    Topics: 3-Hydroxyanthranilic Acid; Adolescent; Adult; Biomarkers; Body Mass Index; C-Reactive Protein; Cross

2016
Acute single dose of ketamine relieves mechanical allodynia and consequent depression-like behaviors in a rat model.
    Neuroscience letters, 2016, Sep-19, Volume: 631

    Topics: Animals; Antidepressive Agents; Behavior, Animal; Depression; Disease Models, Animal; Freund's Adjuv

2016
Plasma Tryptophan and the Kynurenine-Tryptophan Ratio are Associated with the Acquisition of Statural Growth Deficits and Oral Vaccine Underperformance in Populations with Environmental Enteropathy.
    The American journal of tropical medicine and hygiene, 2016, Oct-05, Volume: 95, Issue:4

    Topics: Anthropometry; Antibodies; Antibodies, Viral; Child Development; Child, Preschool; Citrulline; Cohor

2016
Inflammatory, endocrine and metabolic correlates of fatigue in obese children.
    Psychoneuroendocrinology, 2016, Volume: 74

    Topics: Adolescent; Anhedonia; Apathy; Body Mass Index; C-Reactive Protein; Child; Fatigue; Female; Humans;

2016
Neurotoxic kynurenine metabolism is increased in the dorsal hippocampus and drives distinct depressive behaviors during inflammation.
    Translational psychiatry, 2016, 10-18, Volume: 6, Issue:10

    Topics: Animals; Depression; Female; Hippocampus; Inflammation; Kynurenine; Kynurenine 3-Monooxygenase; Lipo

2016
Kynurenine Pathway Activation in Human African Trypanosomiasis.
    The Journal of infectious diseases, 2017, 03-01, Volume: 215, Issue:5

    Topics: Adolescent; Adult; Aged; Biomarkers; Central Nervous System; Female; Humans; Inflammation; Interfero

2017
Increased breakdown of kynurenine towards its neurotoxic branch in bipolar disorder.
    PloS one, 2017, Volume: 12, Issue:2

    Topics: Adult; Bipolar Disorder; Brain; Case-Control Studies; Cognition; Depression; Female; Humans; Inflamm

2017
Relationships between body temperatures and inflammation indicators under physiological and pathophysiological conditions in pigs exposed to systemic lipopolysaccharide and dietary deoxynivalenol.
    Journal of animal physiology and animal nutrition, 2018, Volume: 102, Issue:1

    Topics: Animal Feed; Animals; Biomarkers; Body Temperature; Inflammation; Kynurenine; Lipopolysaccharides; S

2018
Vitamin B-6 and colorectal cancer risk: a prospective population-based study using 3 distinct plasma markers of vitamin B-6 status.
    The American journal of clinical nutrition, 2017, Volume: 105, Issue:4

    Topics: Adult; Aged; Biomarkers; Case-Control Studies; Colorectal Neoplasms; Female; Humans; Inflammation; K

2017
NO scavenging by 3-hydroxyanthranilic acid and 3-hydroxykynurenine: N-nitrosation leads via oxadiazoles to o-quinone diazides.
    Nitric oxide : biology and chemistry, 2008, Volume: 19, Issue:3

    Topics: 3-Hydroxyanthranilic Acid; Acetylcysteine; Aminophenols; Chromatography, Thin Layer; Diazonium Compo

2008
The kynurenines are associated with oxidative stress, inflammation and the prevalence of cardiovascular disease in patients with end-stage renal disease.
    Atherosclerosis, 2009, Volume: 204, Issue:1

    Topics: Adult; Age Factors; Aged; Biomarkers; C-Reactive Protein; Cardiovascular Diseases; Case-Control Stud

2009
Kynurenine, quinolinic acid--the new factors linked to carotid atherosclerosis in patients with end-stage renal disease.
    Atherosclerosis, 2009, Volume: 204, Issue:2

    Topics: Adult; Age Factors; Biomarkers; C-Reactive Protein; Carotid Artery Diseases; Cross-Sectional Studies

2009
Increased indoleamine 2,3-dioxygenase (IDO) activity and elevated serum levels of tryptophan catabolites in patients with chronic kidney disease: a possible link between chronic inflammation and uraemic symptoms.
    Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2009, Volume: 24, Issue:6

    Topics: 5-Hydroxytryptophan; Adult; Aged; C-Reactive Protein; Case-Control Studies; Creatinine; Female; Huma

2009
Function of the tryptophan metabolite, L-kynurenine, in human corneal endothelial cells.
    Molecular vision, 2009, Jul-08, Volume: 15

    Topics: Apoptosis; Cell Line; Cell Proliferation; Culture Media, Conditioned; Cytokines; Endothelium, Cornea

2009
The kynurenine pathway and inflammation in amyotrophic lateral sclerosis.
    Neurotoxicity research, 2010, Volume: 18, Issue:2

    Topics: Adult; Amyotrophic Lateral Sclerosis; Brain; Female; HLA-DR Antigens; Humans; Indoleamine-Pyrrole 2,

2010
Metabolomic analysis identifies inflammatory and noninflammatory metabolic effects of genetic modification in a mouse model of Crohn's disease.
    Journal of proteome research, 2010, Apr-05, Volume: 9, Issue:4

    Topics: Animals; Chromatography, Liquid; Cluster Analysis; Crohn Disease; Disease Models, Animal; Germ-Free

2010
Kynurenine is an endothelium-derived relaxing factor produced during inflammation.
    Nature medicine, 2010, Volume: 16, Issue:3

    Topics: Adenylyl Cyclases; Animals; Blood Pressure; Coronary Vessels; Dose-Response Relationship, Drug; Endo

2010
Ido brings down the pressure in systemic inflammation.
    Nature medicine, 2010, Volume: 16, Issue:3

    Topics: Animals; Blood Pressure; Coronary Vessels; Endothelium-Dependent Relaxing Factors; Endothelium, Vasc

2010
Insights into therapy: tryptophan oxidation and HIV infection.
    Science translational medicine, 2010, May-19, Volume: 2, Issue:32

    Topics: 3-Hydroxyanthranilic Acid; Anti-Inflammatory Agents; Antiviral Agents; Dendritic Cells; Disease Prog

2010
Tryptophan catabolism by indoleamine 2,3-dioxygenase 1 alters the balance of TH17 to regulatory T cells in HIV disease.
    Science translational medicine, 2010, May-19, Volume: 2, Issue:32

    Topics: 3-Hydroxyanthranilic Acid; Biopsy; CD4 Lymphocyte Count; CD4-CD8 Ratio; Cells, Cultured; Colon, Sigm

2010
The role of tryptophan catabolism along the kynurenine pathway in acute ischemic stroke.
    Neurochemical research, 2010, Volume: 35, Issue:9

    Topics: 3-Hydroxyanthranilic Acid; Aged; Aged, 80 and over; Brain Ischemia; Free Radical Scavengers; Humans;

2010
Interferon-gamma-inducible kynurenines/pteridines inflammation cascade: implications for aging and aging-associated psychiatric and medical disorders.
    Journal of neural transmission (Vienna, Austria : 1996), 2011, Volume: 118, Issue:1

    Topics: Aging; Animals; Humans; Inflammation; Interferon-gamma; Kynurenine; Mental Disorders; Metabolic Synd

2011
G-protein coupled receptor 35 (GPR35) activation and inflammatory pain: Studies on the antinociceptive effects of kynurenic acid and zaprinast.
    Neuropharmacology, 2011, Volume: 60, Issue:7-8

    Topics: Analgesics; Animals; Antidepressive Agents, Second-Generation; Dose-Response Relationship, Drug; Dru

2011
Deficient tryptophan catabolism along the kynurenine pathway reveals that the epididymis is in a unique tolerogenic state.
    The Journal of biological chemistry, 2011, Mar-11, Volume: 286, Issue:10

    Topics: Animals; Epididymis; Gene Expression Regulation, Enzymologic; Indoleamine-Pyrrole 2,3,-Dioxygenase;

2011
Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation.
    The Journal of nutrition, 2011, Apr-01, Volume: 141, Issue:4

    Topics: Adult; Aged; C-Reactive Protein; Coronary Disease; Female; Humans; Inflammation; Kynurenine; Male; M

2011
Plasma kynurenine levels are elevated in suicide attempters with major depressive disorder.
    Brain, behavior, and immunity, 2011, Volume: 25, Issue:6

    Topics: Adolescent; Adult; Aged; Antidepressive Agents; Cytokines; Depressive Disorder, Major; Duloxetine Hy

2011
Tryptophan metabolism to kynurenine is a potential novel contributor to hypotension in human sepsis.
    Critical care medicine, 2011, Volume: 39, Issue:12

    Topics: Adult; Aged; Aged, 80 and over; Female; Humans; Hypotension; Indoleamine-Pyrrole 2,3,-Dioxygenase; I

2011
Kynurenine metabolism predicts cognitive function in patients following cardiac bypass and thoracic surgery.
    Journal of neurochemistry, 2011, Volume: 119, Issue:1

    Topics: Adult; Aged; Biomarkers; Chromatography, High Pressure Liquid; Cognition; Coronary Artery Bypass; En

2011
3-Hydroxy kynurenine treatment controls T. cruzi replication and the inflammatory pathology preventing the clinical symptoms of chronic Chagas disease.
    PloS one, 2011, Volume: 6, Issue:10

    Topics: Animals; Chagas Disease; Chronic Disease; Female; Inflammation; Interferon-gamma; Kynurenine; Mice;

2011
Interleukin-1β: a new regulator of the kynurenine pathway affecting human hippocampal neurogenesis.
    Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2012, Volume: 37, Issue:4

    Topics: Cell Differentiation; Cell Line; Hippocampus; Humans; Inflammation; Interleukin-1beta; Kynurenine; M

2012
Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris.
    The American journal of clinical nutrition, 2012, Volume: 95, Issue:5

    Topics: Aged; Angina, Stable; Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Dietary Supplements;

2012
Vitamin B6 status and interferon-γ-mediated immune activation in primary hyperparathyroidism.
    Journal of internal medicine, 2012, Volume: 272, Issue:6

    Topics: Aged; Biomarkers; Cardiovascular Diseases; Female; Humans; Hyperparathyroidism, Primary; Immunity, C

2012
Modulatory effects of acupuncture on murine depression-like behavior following chronic systemic inflammation.
    Brain research, 2012, Sep-07, Volume: 1472

    Topics: Acupuncture Therapy; Animals; Behavior, Animal; Brain; Chromatography, High Pressure Liquid; Chronic

2012
Biomarkers of inflammation, immunosuppression and stress with active disease are revealed by metabolomic profiling of tuberculosis patients.
    PloS one, 2012, Volume: 7, Issue:7

    Topics: Biomarkers; Case-Control Studies; Cluster Analysis; Female; Humans; Immune Tolerance; Indoleamine-Py

2012
An exploratory study of the interplay between decreased concentration of tryptophan, accumulation of kynurenines, and inflammatory arthritis.
    IUBMB life, 2012, Volume: 64, Issue:12

    Topics: 3-Hydroxyanthranilate 3,4-Dioxygenase; 3-Hydroxyanthranilic Acid; Animals; Arthritis, Experimental;

2012
Effects of systemic and central nervous system localized inflammation on the contributions of metabolic precursors to the L-kynurenine and quinolinic acid pools in brain.
    Journal of neurochemistry, 2002, Volume: 82, Issue:2

    Topics: Animals; Body Fluid Compartments; Brain; Corpus Striatum; Encephalitis; Female; Gerbillinae; Inflamm

2002
Kynurenine--an old pathway retraced.
    Journal of clinical psychopharmacology, 2006, Volume: 26, Issue:4

    Topics: Animals; Depressive Disorder, Major; Humans; Hydrolases; Inflammation; Interferons; Kynurenine; orth

2006
The activity of the immunoregulatory enzyme indoleamine 2,3-dioxygenase is decreased in smokers.
    Clinical and experimental immunology, 2006, Volume: 145, Issue:3

    Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Chromatography, High Pressure Liquid; Cohort Studies; Co

2006
The immune effects of TRYCATs (tryptophan catabolites along the IDO pathway): relevance for depression - and other conditions characterized by tryptophan depletion induced by inflammation.
    Neuro endocrinology letters, 2007, Volume: 28, Issue:6

    Topics: Adult; Anti-Inflammatory Agents; Cytokines; Depressive Disorder; Female; Gene Expression Regulation;

2007
Defective tryptophan catabolism underlies inflammation in mouse chronic granulomatous disease.
    Nature, 2008, Jan-10, Volume: 451, Issue:7175

    Topics: Animals; Aspergillosis; Aspergillus fumigatus; Chronic Disease; Disease Models, Animal; Granulomatou

2008
Oxidative tryptophan metabolism in renal allograft recipients: increased kynurenine synthesis is associated with inflammation and OKT3 therapy.
    Cytokine, 1992, Volume: 4, Issue:3

    Topics: Adolescent; Adrenal Cortex Hormones; Adult; Biomarkers; Creatinine; Female; Graft Rejection; Gram-Ne

1992
Antioxidant activities of some tryptophan metabolites: possible implication for inflammatory diseases.
    Proceedings of the National Academy of Sciences of the United States of America, 1990, Volume: 87, Issue:7

    Topics: Animals; Antioxidants; Female; Free Radicals; Inflammation; Kinetics; Kynurenine; Liposomes; Lung; M

1990