Page last updated: 2024-10-18

kynurenine and Depression, Involutional

kynurenine has been researched along with Depression, Involutional in 90 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.

Depression, Involutional: Form of depression in those MIDDLE AGE with feelings of ANXIETY.

Research Excerpts

ExcerptRelevanceReference
"Alteration of tryptophan (TRP) metabolism elicited by proinflammatory cytokines has gained attention as a new concept to explain the etiological and pathophysiological mechanisms of major depression."8.84A link between stress and depression: shifts in the balance between the kynurenine and serotonin pathways of tryptophan metabolism and the etiology and pathophysiology of depression. ( Isobe, K; Miura, H; Nagatsu, T; Ohta, T; Ozaki, N; Sawada, M, 2008)
" 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)
"Evidence, largely obtained from peripheral studies, suggests that alterations in the kynurenine pathway contribute to the aetiology of depression and disorders involving psychosis."8.12Alterations in the kynurenine pathway and excitatory amino acid transporter-2 in depression with and without psychosis: Evidence of a potential astrocyte pathology. ( Brown, AM; Brown, SJ; Huang, XF; Newell, KA; Purves-Tyson, TD; Shannon Weickert, C, 2022)
"Kynurenine pathway, a neuroimmunological pathway plays a substantial role in depression."8.12Kynurenine monooxygenase inhibition and associated reduced quinolinic acid reverses depression-like behaviour by upregulating Nrf2/ARE pathway in mouse model of depression: In-vivo and In-silico studies. ( Bansal, Y; Bishnoi, M; Dhingra, N; Dhingra, R; Khare, P; Kondepudi, KK; Kuhad, A; Singh, R; Sodhi, RK, 2022)
"To investigate the relationship between the tryptophan-kynurenine (TRP-KYN) pathway and painful physical symptoms (PPS) in major depressive disorder (MDD)."8.12Relationship between the tryptophan-kynurenine pathway and painful physical symptoms in patients with major depressive disorder. ( An, H; Bai, L; Fan, H; Ma, B; Ma, T; Qi, S; Wang, Z; Yang, F; Yun, Y; Zhang, Q; Zhao, W, 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)
"Tryptophan and its catabolites (TRYCATs) have been suggested to link peripheral immune system activation and central neurotransmitter abnormalities with relevance to the etio-pathophysiology of schizophrenia (SZ) and major depressive disorder (MDD)."8.02Quinolinic acid is associated with cognitive deficits in schizophrenia but not major depressive disorder. ( Cathomas, F; Guetter, K; Kaiser, S; Klaus, F; Seifritz, E, 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)
"Major depression is a serious psychiatric disorder, occurring in up to 20 % of the population."6.72The kynurenine pathway in major depression: What we know and where to next. ( Brown, SJ; Huang, XF; Newell, KA, 2021)
"Considerable data relate major depressive disorder (MDD) with aberrant immune system functioning."5.72Peripheral and central kynurenine pathway abnormalities in major depression. ( Asratian, A; Boda, S; Dantzer, R; Erhardt, S; Hamilton, JP; Heilig, M; Holm, L; Kämpe, R; Paul, ER; Samuelsson, M; Schwieler, L; Trepci, A; Yngve, A, 2022)
"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)
"Alteration of tryptophan (TRP) metabolism elicited by proinflammatory cytokines has gained attention as a new concept to explain the etiological and pathophysiological mechanisms of major depression."4.84A link between stress and depression: shifts in the balance between the kynurenine and serotonin pathways of tryptophan metabolism and the etiology and pathophysiology of depression. ( Isobe, K; Miura, H; Nagatsu, T; Ohta, T; Ozaki, N; Sawada, M, 2008)
" 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)
"Evidence, largely obtained from peripheral studies, suggests that alterations in the kynurenine pathway contribute to the aetiology of depression and disorders involving psychosis."4.12Alterations in the kynurenine pathway and excitatory amino acid transporter-2 in depression with and without psychosis: Evidence of a potential astrocyte pathology. ( Brown, AM; Brown, SJ; Huang, XF; Newell, KA; Purves-Tyson, TD; Shannon Weickert, C, 2022)
"Kynurenine pathway, a neuroimmunological pathway plays a substantial role in depression."4.12Kynurenine monooxygenase inhibition and associated reduced quinolinic acid reverses depression-like behaviour by upregulating Nrf2/ARE pathway in mouse model of depression: In-vivo and In-silico studies. ( Bansal, Y; Bishnoi, M; Dhingra, N; Dhingra, R; Khare, P; Kondepudi, KK; Kuhad, A; Singh, R; Sodhi, RK, 2022)
"To investigate the relationship between the tryptophan-kynurenine (TRP-KYN) pathway and painful physical symptoms (PPS) in major depressive disorder (MDD)."4.12Relationship between the tryptophan-kynurenine pathway and painful physical symptoms in patients with major depressive disorder. ( An, H; Bai, L; Fan, H; Ma, B; Ma, T; Qi, S; Wang, Z; Yang, F; Yun, Y; Zhang, Q; Zhao, W, 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)
" We evaluated the relationships between total score on the Montgomery-Åsberg Depression Rating Scale and kynurenine, tryptophan, anthranilic acid and kynurenic acid concentrations, IDO activity and tryptophan availability to the brain."4.02The role of anthranilic acid in the increase of depressive symptoms and major depressive disorder during treatment for hepatitis C with pegylated interferon-α2a and oral ribavirin. ( Bugajska, J; Inglot, M; Janocha-Litwin, J; Malyszczak, K; Marciniak, D; Pawlak, D; Pawlowski, T; Zalewska, M, 2021)
"Tryptophan and its catabolites (TRYCATs) have been suggested to link peripheral immune system activation and central neurotransmitter abnormalities with relevance to the etio-pathophysiology of schizophrenia (SZ) and major depressive disorder (MDD)."4.02Quinolinic acid is associated with cognitive deficits in schizophrenia but not major depressive disorder. ( Cathomas, F; Guetter, K; Kaiser, S; Klaus, F; Seifritz, E, 2021)
" Evidence suggests that the kynurenine (KYN) pathway may be implicated in the pathophysiology of depression, but few studies have explored the association between the KYN pathway and cognitive impairment in MDD."3.91Cross-sectional relationship between kynurenine pathway metabolites and cognitive function in major depressive disorder. ( Chen, L; Li, H; Liu, W; Ning, Y; Wang, C; Zhan, Y; Zheng, W; Zhou, Y, 2019)
" 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)
"Our results suggest that an imbalance between HPA axis function and tryptophan metabolism could be involved in recurrent depression."3.85The association between the hypothalamic pituitary adrenal axis and tryptophan metabolism in persons with recurrent major depressive disorder and healthy controls. ( de Jonge, P; Doornbos, B; Kema, IP; Penninx, BWJH; Sorgdrager, FJH, 2017)
"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)
"Major depressive disorder is the most common type of mental disorder."3.01Effects of exercise training on inflammatory, neurotrophic and immunological markers and neurotransmitters in people with depression: A systematic review and meta-analysis. ( Alt, R; da Cunha, LL; Feter, N; Rombaldi, AJ, 2023)
"Major depression is a serious psychiatric disorder, occurring in up to 20 % of the population."2.72The kynurenine pathway in major depression: What we know and where to next. ( Brown, SJ; Huang, XF; Newell, KA, 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)
"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)
"However, gut microbiota changes in major depressive disorder (MDD) patients and their association with disease mechanisms remain undefined."1.91Dysbiosis of the Gut Microbiota and Kynurenine (Kyn) Pathway Activity as Potential Biomarkers in Patients with Major Depressive Disorder. ( Chen, Q; Chen, S; Cheng, X; Dong, K; Guo, X; Jin, W; Li, D; Li, P; Li, Q; Li, Z; Lin, P; Lou, X; Shi, Y; Sun, J; Sun, Y, 2023)
"Considerable data relate major depressive disorder (MDD) with aberrant immune system functioning."1.72Peripheral and central kynurenine pathway abnormalities in major depression. ( Asratian, A; Boda, S; Dantzer, R; Erhardt, S; Hamilton, JP; Heilig, M; Holm, L; Kämpe, R; Paul, ER; Samuelsson, M; Schwieler, L; Trepci, A; Yngve, A, 2022)
"The biological mechanisms underlying major depressive disorder (MDD) are not yet sufficiently understood."1.62The role of the kynurenine pathway and quinolinic acid in adolescent major depressive disorder. ( Aydemir, Ö; Kandemir, H; Öztürk, M; Taneli, F; Yalın Sapmaz, Ş, 2021)
"The response of patients with major depressive disorders (MDD) to antidepressant treatments have been shown to be affected by multiple factors, including disease severity and inflammation."1.56The relationship between plasma serotonin and kynurenine pathway metabolite levels and the treatment response to escitalopram and desvenlafaxine. ( Drevets, W; Li, QS; Sun, Y; Turecki, G, 2020)
"Recent blood biomarker studies for major depressive disorder (MDD) have suggested that tryptophan-kynurenine and lipid related metabolites are involved in the pathophysiology of MDD."1.48Tryptophan-kynurenine and lipid related metabolites as blood biomarkers for first-episode drug-naïve patients with major depressive disorder: An exploratory pilot case-control study. ( Hayakawa, K; Kanba, S; Kang, D; Kato, TA; Kishimoto, J; Kubo, H; Kuwano, N; Ohgidani, M; Sagata, N; Sato-Kasai, M; Setoyama, D; Shimokawa, N, 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)
"Cytokines in plasma from patients with major depressive disorder (MDD; n = 19) and healthy volunteers (n = 14) were analyzed with electrochemiluminescence detection."1.43Electroconvulsive therapy suppresses the neurotoxic branch of the kynurenine pathway in treatment-resistant depressed patients. ( Bhat, M; Erhardt, S; Frye, MA; Johansson, AG; Jungholm, O; Landén, M; Samuelsson, M; Schuppe-Koistinen, I; Schwieler, L; Sellgren, CM, 2016)
"A consistent finding in major depressive disorder (MDD) research is dysfunction of the immune system."1.37The kynurenine pathway in major depression: haplotype analysis of three related functional candidate genes. ( Baune, B; Claes, S; De Deyn, P; Del-Favero, J; Domschke, K; Engelborghs, S; Entrich, K; Mueller, N; Myint, AM; Rothermundt, M, 2011)
"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)
"Although adolescent major depressive disorder (MDD) is acknowledged to be a heterogeneous disorder, no studies have reported on biological correlates of its clinical subgroups."1.36The possible role of the kynurenine pathway in adolescent depression with melancholic features. ( Alonso, CM; Babb, JS; Gabbay, V; Guttman, LE; Hirsch, GS; Katz, Y; Klein, RG; Liebes, L; Mendoza, S, 2010)

Research

Studies (90)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's5 (5.56)29.6817
2010's44 (48.89)24.3611
2020's41 (45.56)2.80

Authors

AuthorsStudies
Messaoud, A1
Rym, M1
Wahiba, D1
Neffati, F1
Najjar, MF1
Gobbi, G1
Manchia, M1
Valtorta, F2
Lotfi, G1
Comai, S2
Bou Khalil, R1
El Khoury, R1
Melloni, E1
Lorenzi, C1
Bollettini, I1
Vai, B1
Zanardi, R1
Colombo, C1
Benedetti, F2
Poletti, S2
Paul, ER1
Schwieler, L2
Erhardt, S2
Boda, S1
Trepci, A1
Kämpe, R1
Asratian, A1
Holm, L1
Yngve, A1
Dantzer, R6
Heilig, M1
Hamilton, JP1
Samuelsson, M2
Brown, SJ2
Brown, AM1
Purves-Tyson, TD1
Huang, XF2
Shannon Weickert, C1
Newell, KA2
Mingoti, MED2
Bertollo, AG2
Simões, JLB1
Francisco, GR1
Bagatini, MD1
Ignácio, ZM2
Wang, L3
Yang, P1
Yang, C2
Yang, D1
Wu, X1
Cao, T1
Zeng, C1
Chen, Q2
Zhang, S1
Zhu, Z1
Jiao, S1
Cai, H1
Dawood, S1
Bano, S1
Badawy, AA1
Kamishikiryo, T1
Okada, G1
Itai, E1
Masuda, Y1
Yokoyama, S1
Takamura, M1
Fuchikami, M1
Yoshino, A1
Mawatari, K1
Numata, S1
Takahashi, A1
Ohmori, T1
Okamoto, Y1
Bansal, Y1
Singh, R1
Sodhi, RK1
Khare, P1
Dhingra, R1
Dhingra, N1
Bishnoi, M1
Kondepudi, KK1
Kuhad, A1
Zheng, H1
Teague, TK6
Yeh, FC1
Burrows, K1
Figueroa-Hall, LK1
Aupperle, RL1
Khalsa, SS1
Paulus, MP2
Savitz, J6
Gong, X1
Chang, R1
Zou, J1
Tan, S1
Huang, Z2
Wei, J1
Zhang, Z1
Du, Y1
Yang, X1
Zhao, L1
Ni, P1
Ni, R1
Gong, M1
Ma, X1
Davidson, M1
Rashidi, N1
Nurgali, K1
Apostolopoulos, V1
Almulla, AF2
Thipakorn, Y1
Vasupanrajit, A1
Tunvirachaisakul, C1
Oxenkrug, G1
Al-Hakeim, HK1
Maes, M3
Yun, Y1
Zhang, Q1
Zhao, W1
Ma, T1
Fan, H1
Bai, L1
Ma, B1
Qi, S1
Wang, Z1
An, H1
Yang, F1
Feng, Z1
Zheng, T1
Dai, G1
Wang, M1
Zhou, L1
Zheng, Y1
Chen, G1
Sales, PMG3
Schrage, E3
Coico, R3
Pato, M3
Michal, M1
Schulz, A1
Wild, PS1
Koeck, T1
Münzel, T1
Schuster, AK1
Strauch, K1
Lackner, K1
Süssmuth, SD2
Niessen, HG2
Borta, A1
Allers, KA3
Zahn, D1
Beutel, ME1
da Cunha, LL1
Feter, N1
Alt, R1
Rombaldi, AJ1
de Oliveira, T1
Mouri, A2
Hasegawa, M1
Kunisawa, K1
Saito, K2
Nabeshima, T2
Lin, P1
Li, D1
Shi, Y1
Li, Q1
Guo, X1
Dong, K1
Lou, X1
Li, Z1
Li, P1
Jin, W1
Chen, S1
Sun, Y2
Sun, J1
Cheng, X1
Ou, W1
Chen, Y2
Ju, Y1
Ma, M1
Qin, Y1
Bi, Y1
Liao, M1
Liu, B1
Liu, J1
Zhang, Y1
Li, L1
Orrico-Sanchez, A1
Guiard, BP1
Manta, S1
Callebert, J2
Launay, JM3
Louis, F1
Paccard, A1
Gruszczynski, C1
Betancur, C1
Vialou, V1
Gautron, S1
Colle, R1
Masson, P1
Verstuyft, C1
Fève, B1
Werner, E1
Boursier-Neyret, C1
Walther, B1
David, DJ1
Boniface, B1
Falissard, B1
Chanson, P1
Corruble, E1
Becquemont, L1
Pu, J1
Liu, Y1
Zhang, H1
Tian, L1
Gui, S1
Yu, Y1
Chen, X1
Yang, L1
Ran, Y1
Zhong, X2
Xu, S1
Song, X1
Liu, L1
Zheng, P1
Wang, H1
Xie, P1
Drevets, W1
Turecki, G1
Li, QS1
Ho, MF1
Zhang, C1
Zhang, L1
Wei, L1
Zhou, Y3
Moon, I1
Geske, JR1
Choi, DS1
Biernacka, J1
Frye, M1
Wen, Z1
Karpyak, VM1
Li, H2
Weinshilboum, R1
Öztürk, M1
Yalın Sapmaz, Ş1
Kandemir, H1
Taneli, F1
Aydemir, Ö1
Marx, W1
McGuinness, AJ1
Rocks, T1
Ruusunen, A1
Cleminson, J1
Walker, AJ1
Gomes-da-Costa, S1
Lane, M1
Sanches, M1
Diaz, AP1
Tseng, PT1
Lin, PY1
Berk, M1
Clarke, G2
O'Neil, A1
Jacka, F1
Stubbs, B1
Carvalho, AF3
Quevedo, J2
Soares, JC1
Fernandes, BS1
Branchi, I1
Poggini, S1
Capuron, L1
Tamouza, R1
Drexhage, HA1
Penninx, BWJH3
Pariante, CM2
Pawlowski, T1
Pawlak, D2
Inglot, M1
Zalewska, M1
Marciniak, D1
Bugajska, J1
Janocha-Litwin, J1
Malyszczak, K1
Tsuchiyagaito, A1
Smith, JL1
El-Sabbagh, N1
Zotev, V1
Misaki, M1
Al Zoubi, O1
Kent Teague, T1
Bodurka, J5
Chiu, YC1
Yang, BH1
Yang, KC1
Liu, MN1
Hu, LY1
Liou, YJ1
Chan, LY1
Chou, YH1
Cathomas, F2
Guetter, K1
Seifritz, E2
Klaus, F1
Kaiser, S1
Qiu, W1
Go, KA1
Lamers, Y1
Galea, LAM1
Kopra, E1
Mondelli, V1
Pariante, C1
Nikkheslat, N1
Milaneschi, Y1
Beekman, ATF1
Giltay, EJ1
Keller, S1
Schoevers, RA1
Wurfel, BE4
Drevets, WC5
Bliss, SA1
McMillin, JR1
Suzuki, H1
Ford, BN3
Morris, HM3
Savitz, JB1
Borsini, A1
Alboni, S1
Horowitz, MA1
Tojo, LM1
Cannazza, G1
Su, KP1
Zunszain, PA1
Roomruangwong, C1
Kanchanatawan, B1
Sirivichayakul, S1
Anderson, G1
Duleu, S1
Geffard, M1
Sorgdrager, FJH1
Doornbos, B2
de Jonge, P2
Kema, IP2
Leonard, BE1
DeWitt, SJ1
Bradley, KA2
Lin, N1
Yu, C1
Gabbay, V5
Duan, KM1
Ma, JH1
Wang, SY1
Yu, H1
Liu, D1
Ray, B1
Neavin, DR1
Zhang, J1
Athreya, AP1
Biernacka, JM1
Bobo, WV1
Hall-Flavin, DK1
Skime, MK1
Zhu, H1
Jenkins, GD1
Batzler, A1
Kalari, KR1
Boakye-Agyeman, F1
Matson, WR1
Bhasin, SS1
Mushiroda, T1
Nakamura, Y1
Kubo, M1
Iyer, RK1
Frye, MA2
Kaddurah-Daouk, R1
Weinshilboum, RM1
Kuwano, N1
Kato, TA1
Setoyama, D1
Sato-Kasai, M1
Shimokawa, N1
Hayakawa, K1
Ohgidani, M1
Sagata, N1
Kubo, H1
Kishimoto, J1
Kang, D1
Kanba, S1
Wu, Y1
Mai, N1
Wen, Y1
Shang, D1
Hu, L1
Chen, B1
Zhang, M1
Ning, Y2
Doolin, K1
Pleiner, S1
Liesener, A1
Farrell, C1
Tozzi, L1
O'Hanlon, E1
Roddy, D1
Frodl, T2
Harkin, A2
O'Keane, V1
Pompili, M1
Lionetto, L1
Curto, M1
Forte, A1
Erbuto, D1
Montebovi, F1
Seretti, ME1
Berardelli, I1
Serafini, G1
Innamorati, M1
Amore, M1
Baldessarini, RJ1
Girardi, P1
Simmaco, M1
Rudzki, L1
Ostrowska, L1
Małus, A1
Pawlak, K1
Waszkiewicz, N1
Szulc, A1
Zheng, W1
Liu, W1
Wang, C1
Zhan, Y1
Chen, L1
Barone, P1
Myint, AM6
Bondy, B1
Baghai, TC1
Eser, D1
Nothdurfter, C1
Schüle, C1
Zill, P1
Müller, N3
Rupprecht, R1
Schwarz, MJ3
Quak, J1
Roest, AM1
Duivis, HE1
Vogelzangs, N1
Nolen, WA1
Penninx, BW1
Smith, CM1
Victor, TA3
Bellgowan, PS1
Yang, JJ1
Wang, N1
Shi, JY1
Yu, HY1
Hashimoto, K1
Dahl, J1
Andreassen, OA1
Verkerk, R2
Malt, UF1
Sandvik, L1
Brundin, L1
Ormstad, H1
Case, JA1
Khan, O1
Ricart, T1
Hanna, A1
Alonso, CM2
Réus, GZ1
Jansen, K1
Titus, S1
Fuertig, R1
Sigrist, H1
Newman, GN1
Hoop, V1
Bizzozzero, M1
Mueller, A1
Luippold, A1
Ceci, A1
Hengerer, B1
Fontana, A1
Pryce, CR1
Meier, TB2
McIntosh, SA1
Zanos, P1
Piantadosi, SC1
Wu, HQ1
Pribut, HJ1
Dell, MJ1
Can, A1
Snodgrass, HR1
Zarate, CA1
Schwarcz, R1
Gould, TD1
Teraishi, T1
Hori, H1
Sasayama, D1
Matsuo, J1
Ogawa, S1
Ota, M1
Hattori, K1
Kajiwara, M1
Higuchi, T1
Kunugi, H1
Georgin-Lavialle, S1
Moura, DS1
Salvador, A1
Chauvet-Gelinier, JC1
Damaj, G1
Côté, F1
Soucié, E1
Chandesris, MO1
Barète, S1
Grandpeix-Guyodo, C1
Bachmeyer, C1
Alyanakian, MA1
Aouba, A1
Lortholary, O1
Dubreuil, P1
Teyssier, JR1
Trojak, B1
Haffen, E1
Vandel, P1
Bonin, B1
Hermine, O1
Gaillard, R1
Bhat, M1
Schuppe-Koistinen, I1
Jungholm, O1
Johansson, AG1
Landén, M1
Sellgren, CM1
Young, KD1
Velasquez, S1
Rappaport, J1
Won, E1
Kim, YK1
Tashiro, T1
Murakami, Y1
Imamura, Y1
Yamamoto, Y1
Fitzgerald, P1
Cassidy Eugene, M1
Scully, P1
Barry, S1
Quigley Eamonn, MM1
Shanahan, F1
Cryan, J1
Dinan Timothy, G1
Van Gool, AR1
Fekkes, D1
Bannink, M1
Sleijfer, S1
Kruit, WH1
van der Holt, B1
Scharpé, S1
Eggermont, AM1
Stoter, G1
Hengeveld, MW1
Laugeray, A1
Surget, A1
Belzung, C1
Barone, PR1
Klein, RG1
Katz, Y1
Mendoza, S1
Guttman, LE1
Babb, JS1
Hirsch, GS1
Liebes, L2
Oxenkrug, GF2
Claes, S1
Domschke, K1
Del-Favero, J1
Entrich, K1
Engelborghs, S1
De Deyn, P1
Mueller, N1
Baune, B1
Rothermundt, M1
Sublette, ME1
Galfalvy, HC1
Fuchs, D1
Lapidus, M1
Grunebaum, MF1
Oquendo, MA1
Mann, JJ1
Postolache, TT1
Steiner, J1
Bogerts, B1
Sarnyai, Z1
Walter, M1
Gos, T1
Bernstein, HG1
Ely, BA1
Babb, J1
Krause, DL1
Riedel, M1
Weidinger, E1
Hughes, MM1
Carballedo, A1
McLoughlin, DM1
Amico, F1
Connor, TJ1
Shader, RI1
Miura, H1
Ozaki, N1
Sawada, M1
Isobe, K1
Ohta, T1
Nagatsu, T1

Clinical Trials (7)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Pharmacodynamics and Pharmacokinetics of Citalopram and Escitalopram[NCT00613470]Phase 1927 participants (Actual)Interventional2005-03-31Completed
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
A Longitudinal Study of Inflammatory Pathways in Depression[NCT04159207]160 participants (Anticipated)Observational2019-10-01Recruiting
Investigating Brain Abnormalities in People With Knee Osteoarthritis Using MRI: a Nociplastic Pain Mechanism Based Assessment[NCT05986513]66 participants (Anticipated)Interventional2023-09-01Not yet recruiting
Kynurenine Pathway Metabolites as Novel Translational Biological Markers of Irritable Bowel Syndrome: Relationship to Gastrointestinal Function, Cognition and Co-morbid Depression[NCT01304355]85 participants (Anticipated)Observational2011-01-31Recruiting
The Safety and Effectiveness of Probiotic Supplementation on Bipolar Depression: a Proof of Concept Randomized Controlled Trial[NCT02155972]Phase 216 participants (Actual)Interventional2013-05-31Terminated (stopped due to The trial was terminated because of inability to recruit the needed number of participants)
A Randomised Double Blind Placebo Controlled 12 Week Trial of Methotrexate Added to Treatment As Usual in Early Schizophrenia[NCT02074319]Phase 192 participants (Actual)Interventional2013-12-31Completed
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Reviews

22 reviews available for kynurenine and Depression, Involutional

ArticleYear
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
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 Role of Tryptophan Metabolites in Neuropsychiatric Disorders.
    International journal of molecular sciences, 2022, Sep-01, Volume: 23, Issue:17

    Topics: Depressive Disorder, Major; Humans; Kynurenine; Proteomics; Serotonin; Tryptophan

2022
The Tryptophan Catabolite or Kynurenine Pathway in a Major Depressive Episode with Melancholia, Psychotic Features and Suicidal Behaviors: A Systematic Review and Meta-Analysis.
    Cells, 2022, 10-02, Volume: 11, Issue:19

    Topics: Albumins; Amino Acids; Depressive Disorder, Major; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kyn

2022
Associations between the kynurenine pathway and the brain in patients with major depressive disorder-A systematic review of neuroimaging studies.
    Progress in neuro-psychopharmacology & biological psychiatry, 2023, 03-08, Volume: 121

    Topics: Brain; Depressive Disorder, Major; Diffusion Tensor Imaging; Humans; Kynurenine; Magnetic Resonance

2023
Linking nervous and immune systems in psychiatric illness: A meta-analysis of the kynurenine pathway.
    Brain research, 2023, 02-01, Volume: 1800

    Topics: Bipolar Disorder; Depressive Disorder, Major; Humans; Immune System; Kynurenic Acid; Kynurenine; Try

2023
Linking nervous and immune systems in psychiatric illness: A meta-analysis of the kynurenine pathway.
    Brain research, 2023, 02-01, Volume: 1800

    Topics: Bipolar Disorder; Depressive Disorder, Major; Humans; Immune System; Kynurenic Acid; Kynurenine; Try

2023
Linking nervous and immune systems in psychiatric illness: A meta-analysis of the kynurenine pathway.
    Brain research, 2023, 02-01, Volume: 1800

    Topics: Bipolar Disorder; Depressive Disorder, Major; Humans; Immune System; Kynurenic Acid; Kynurenine; Try

2023
Linking nervous and immune systems in psychiatric illness: A meta-analysis of the kynurenine pathway.
    Brain research, 2023, 02-01, Volume: 1800

    Topics: Bipolar Disorder; Depressive Disorder, Major; Humans; Immune System; Kynurenic Acid; Kynurenine; Try

2023
Effects of exercise training on inflammatory, neurotrophic and immunological markers and neurotransmitters in people with depression: A systematic review and meta-analysis.
    Journal of affective disorders, 2023, 04-01, Volume: 326

    Topics: Adult; Antidepressive Agents; Brain-Derived Neurotrophic Factor; Depression; Depressive Disorder, Ma

2023
The kynurenine pathway in major depressive disorder under different disease states: A systematic review and meta-analysis.
    Journal of affective disorders, 2023, 10-15, Volume: 339

    Topics: Biomarkers; Depression; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Quinolinic A

2023
An integrated meta-analysis of peripheral blood metabolites and biological functions in major depressive disorder.
    Molecular psychiatry, 2021, Volume: 26, Issue:8

    Topics: Antidepressive Agents; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Tryptophan

2021
The kynurenine pathway in major depressive disorder, bipolar disorder, and schizophrenia: a meta-analysis of 101 studies.
    Molecular psychiatry, 2021, Volume: 26, Issue:8

    Topics: Bipolar Disorder; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Schizophrenia

2021
The kynurenine pathway in major depression: What we know and where to next.
    Neuroscience and biobehavioral reviews, 2021, Volume: 127

    Topics: Brain; Depression; Depressive Disorder, Major; Humans; Kynurenine

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
The role of tryptophan metabolism in postpartum depression.
    Metabolic brain disease, 2018, Volume: 33, Issue:3

    Topics: Depression; Depression, Postpartum; Depressive Disorder, Major; Female; Humans; Kynurenine; Quinolin

2018
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
Kynurenine pathway dysfunction in the pathophysiology and treatment of depression: Evidences from animal and human studies.
    Journal of psychiatric research, 2015, Volume: 68

    Topics: Animals; Depressive Disorder, Major; Humans; Kynurenine; Metabolic Networks and Pathways

2015
Stress, the Autonomic Nervous System, and the Immune-kynurenine Pathway in the Etiology of Depression.
    Current neuropharmacology, 2016, Volume: 14, Issue:7

    Topics: Animals; Autonomic Nervous System; Depressive Disorder, Major; Humans; Kynurenine; Stress, Psycholog

2016
Tryptophan kynurenine metabolism as a common mediator of genetic and environmental impacts in major depressive disorder: the serotonin hypothesis revisited 40 years later.
    The Israel journal of psychiatry and related sciences, 2010, Volume: 47, Issue:1

    Topics: Adrenal Cortex Hormones; Animals; Biosynthetic Pathways; Cytokines; Depressive Disorder, Major; Envi

2010
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 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
Kynurenines: from the perspective of major psychiatric disorders.
    The FEBS journal, 2012, Volume: 279, Issue:8

    Topics: Animals; Bipolar Disorder; Depressive Disorder, Major; Humans; Kynurenine; Schizophrenia

2012
Genetic and hormonal regulation of tryptophan kynurenine metabolism: implications for vascular cognitive impairment, major depressive disorder, and aging.
    Annals of the New York Academy of Sciences, 2007, Volume: 1122

    Topics: Aging; Animals; Cognition Disorders; Cytokines; Depressive Disorder, Major; Hormones; Humans; Kynure

2007
A link between stress and depression: shifts in the balance between the kynurenine and serotonin pathways of tryptophan metabolism and the etiology and pathophysiology of depression.
    Stress (Amsterdam, Netherlands), 2008, Volume: 11, Issue:3

    Topics: Animals; Antidepressive Agents; Biogenic Monoamines; Brain; Cytokines; Depression; Depressive Disord

2008

Trials

1 trial available for kynurenine and Depression, Involutional

ArticleYear
Probiotic Lactobacillus Plantarum 299v decreases kynurenine concentration and improves cognitive functions in patients with major depression: A double-blind, randomized, placebo controlled study.
    Psychoneuroendocrinology, 2019, Volume: 100

    Topics: Adult; Attention; Cognition; Combined Modality Therapy; Depressive Disorder, Major; Double-Blind Met

2019

Other Studies

67 other studies available for kynurenine and Depression, Involutional

ArticleYear
Investigation of the Relationship among Cortisol, Pro-inflammatory Cytokines, and the Degradation of Tryptophan into Kynurenine in Patients with Major Depression and Suicidal Behavior.
    Current topics in medicinal chemistry, 2022, Volume: 22, Issue:25

    Topics: Cytokines; Depressive Disorder, Major; Humans; Hydrocortisone; Interleukin-1; Interleukin-12; Kynure

2022
δ
    Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals, 2021, Volume: 26, Issue:8

    Topics: Biomarkers; Depressive Disorder, Major; Heart Rate; Humans; Kynurenine; Quinolinic Acid; Reproducibi

2021
Selective association of cytokine levels and kynurenine/tryptophan ratio with alterations in white matter microstructure in bipolar but not in unipolar depression.
    European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology, 2022, Volume: 55

    Topics: Biomarkers; Bipolar Disorder; Cytokines; Depressive Disorder, Major; Humans; Kynurenine; Tryptophan;

2022
Peripheral and central kynurenine pathway abnormalities in major depression.
    Brain, behavior, and immunity, 2022, Volume: 101

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

2022
Alterations in the kynurenine pathway and excitatory amino acid transporter-2 in depression with and without psychosis: Evidence of a potential astrocyte pathology.
    Journal of psychiatric research, 2022, Volume: 147

    Topics: Astrocytes; Depression; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Psychotic Di

2022
Disturbance of neurotransmitter metabolism in drug-naïve, first-episode major depressive disorder: a comparative study on adult and adolescent cohorts.
    European archives of psychiatry and clinical neuroscience, 2022, Volume: 272, Issue:7

    Topics: 3,4-Dihydroxyphenylacetic Acid; Adolescent; Adult; Biomarkers; Depressive Disorder, Major; Dopamine;

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
Left DLPFC activity is associated with plasma kynurenine levels and can predict treatment response to escitalopram in major depressive disorder.
    Psychiatry and clinical neurosciences, 2022, Volume: 76, Issue:8

    Topics: Depressive Disorder, Major; Escitalopram; Humans; Kynurenine; Magnetic Resonance Imaging; Prefrontal

2022
Kynurenine monooxygenase inhibition and associated reduced quinolinic acid reverses depression-like behaviour by upregulating Nrf2/ARE pathway in mouse model of depression: In-vivo and In-silico studies.
    Neuropharmacology, 2022, 09-01, Volume: 215

    Topics: Animals; Antioxidants; Depression; Depressive Disorder, Major; Disease Models, Animal; Humans; Kelch

2022
C-Reactive protein and the kynurenic acid to quinolinic acid ratio are independently associated with white matter integrity in major depressive disorder.
    Brain, behavior, and immunity, 2022, Volume: 105

    Topics: C-Reactive Protein; Depressive Disorder, Major; Diffusion Tensor Imaging; Humans; Kynurenic Acid; Ky

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
The Tryptophan Catabolite or Kynurenine Pathway's Role in Major Depression.
    Current topics in medicinal chemistry, 2022, Volume: 22, Issue:21

    Topics: Depression; Depressive Disorder, Major; Humans; Kynurenine; Tryptophan

2022
Relationship between the tryptophan-kynurenine pathway and painful physical symptoms in patients with major depressive disorder.
    Journal of psychosomatic research, 2022, Volume: 163

    Topics: Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Pain; Quinolinic Acid; Serotonin; Ta

2022
Tryptophan catabolites and depression in the general population: results from the Gutenberg Health Study.
    BMC psychiatry, 2023, 01-11, Volume: 23, Issue:1

    Topics: Biomarkers; C-Reactive Protein; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine; Tryp

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
[Diagnoses and new therapeutic strategy focused on physiological alteration of tryptophan metabolism].
    Nihon yakurigaku zasshi. Folia pharmacologica Japonica, 2023, May-01, Volume: 158, Issue:3

    Topics: alpha7 Nicotinic Acetylcholine Receptor; Antidepressive Agents; Depressive Disorder, Major; Humans;

2023
Dysbiosis of the Gut Microbiota and Kynurenine (Kyn) Pathway Activity as Potential Biomarkers in Patients with Major Depressive Disorder.
    Nutrients, 2023, Apr-03, Volume: 15, Issue:7

    Topics: Biomarkers; China; Depressive Disorder, Major; Dysbiosis; Gastrointestinal Microbiome; Humans; Kynur

2023
Organic cation transporter 2 contributes to SSRI antidepressant efficacy by controlling tryptophan availability in the brain.
    Translational psychiatry, 2023, 09-29, Volume: 13, Issue:1

    Topics: Anhedonia; Animals; Antidepressive Agents; Brain; Corticosterone; Depressive Disorder, Major; Fluoxe

2023
Peripheral tryptophan, serotonin, kynurenine, and their metabolites in major depression: A case-control study.
    Psychiatry and clinical neurosciences, 2020, Volume: 74, Issue:2

    Topics: 3-Hydroxyanthranilic Acid; Adult; Case-Control Studies; Cohort Studies; Depressive Disorder, Major;

2020
The relationship between plasma serotonin and kynurenine pathway metabolite levels and the treatment response to escitalopram and desvenlafaxine.
    Brain, behavior, and immunity, 2020, Volume: 87

    Topics: Citalopram; Depressive Disorder, Major; Desvenlafaxine Succinate; Humans; Kynurenic Acid; Kynurenine

2020
TSPAN5 influences serotonin and kynurenine: pharmacogenomic mechanisms related to alcohol use disorder and acamprosate treatment response.
    Molecular psychiatry, 2021, Volume: 26, Issue:7

    Topics: Acamprosate; Alcohol Drinking; Alcoholism; Depressive Disorder, Major; Humans; Induced Pluripotent S

2021
The role of the kynurenine pathway and quinolinic acid in adolescent major depressive disorder.
    International journal of clinical practice, 2021, Volume: 75, Issue:4

    Topics: Adolescent; Cross-Sectional Studies; Depressive Disorder, Major; Humans; Kynurenic Acid; Kynurenine;

2021
Brain-immune crosstalk in the treatment of major depressive disorder.
    European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology, 2021, Volume: 45

    Topics: Antidepressive Agents; Brain; Depressive Disorder, Major; Humans; Kynurenine; Neuronal Plasticity

2021
The role of anthranilic acid in the increase of depressive symptoms and major depressive disorder during treatment for hepatitis C with pegylated interferon-α2a and oral ribavirin.
    Journal of psychiatry & neuroscience : JPN, 2021, 01-18, Volume: 46, Issue:1

    Topics: Adult; Antiviral Agents; Cross-Sectional Studies; Depression; Depressive Disorder, Major; Female; He

2021
Real-time fMRI neurofeedback amygdala training may influence kynurenine pathway metabolism in major depressive disorder.
    NeuroImage. Clinical, 2021, Volume: 29

    Topics: Amygdala; Depressive Disorder, Major; Humans; Kynurenine; Magnetic Resonance Imaging; Neurofeedback

2021
A study of tryptophan, kynurenine and serotonin transporter in first-episode drug-naïve major depressive disorder.
    Psychiatry research. Neuroimaging, 2021, 06-30, Volume: 312

    Topics: Depressive Disorder, Major; Humans; Kynurenine; Pharmaceutical Preparations; Serotonin Plasma Membra

2021
Quinolinic acid is associated with cognitive deficits in schizophrenia but not major depressive disorder.
    Scientific reports, 2021, 05-11, Volume: 11, Issue:1

    Topics: Adult; Case-Control Studies; Cognition; Cognitive Dysfunction; Depressive Disorder, Major; Female; H

2021
Postpartum corticosterone and fluoxetine shift the tryptophan-kynurenine pathway in dams.
    Psychoneuroendocrinology, 2021, Volume: 130

    Topics: Animals; Corticosterone; Depression, Postpartum; Depressive Disorder, Major; Female; Fluoxetine; Hum

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
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
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
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
The association between the hypothalamic pituitary adrenal axis and tryptophan metabolism in persons with recurrent major depressive disorder and healthy controls.
    Journal of affective disorders, 2017, Volume: 222

    Topics: Adult; Antidepressive Agents; Chromatography, High Pressure Liquid; Depression; Depressive Disorder,

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
A pilot resting-state functional connectivity study of the kynurenine pathway in adolescents with depression and healthy controls.
    Journal of affective disorders, 2018, Volume: 227

    Topics: Adolescent; Anhedonia; Brain; Case-Control Studies; Depressive Disorder, Major; Female; Gray Matter;

2018
Beta-defensin 1, aryl hydrocarbon receptor and plasma kynurenine in major depressive disorder: metabolomics-informed genomics.
    Translational psychiatry, 2018, 01-10, Volume: 8, Issue:1

    Topics: Basic Helix-Loop-Helix Transcription Factors; beta-Defensins; Biomarkers; Depressive Disorder, Major

2018
Tryptophan-kynurenine and lipid related metabolites as blood biomarkers for first-episode drug-naïve patients with major depressive disorder: An exploratory pilot case-control study.
    Journal of affective disorders, 2018, 04-15, Volume: 231

    Topics: Adult; Biomarkers; Case-Control Studies; Depressive Disorder, Major; Female; Humans; Kynurenine; Lip

2018
Kynurenine pathway changes in late-life depression.
    Journal of affective disorders, 2018, 08-01, Volume: 235

    Topics: Adult; Age Factors; Aged; Depressive Disorder, Major; Female; Humans; Kynurenic Acid; Kynurenine; Ma

2018
Altered tryptophan catabolite concentrations in major depressive disorder and associated changes in hippocampal subfield volumes.
    Psychoneuroendocrinology, 2018, Volume: 95

    Topics: Adult; Biomarkers; C-Reactive Protein; CA1 Region, Hippocampal; CA2 Region, Hippocampal; CA3 Region,

2018
Tryptophan and Kynurenine Metabolites: Are They Related to Depression?
    Neuropsychobiology, 2019, Volume: 77, Issue:1

    Topics: Adult; Bipolar Disorder; Case-Control Studies; Depressive Disorder, Major; Female; Humans; Hydroxyin

2019
Cross-sectional relationship between kynurenine pathway metabolites and cognitive function in major depressive disorder.
    Psychoneuroendocrinology, 2019, Volume: 101

    Topics: Adult; Chromatography, Liquid; Cognition; Cross-Sectional Studies; Depression; Depressive Disorder,

2019
Tryptophan metabolism and immunogenetics in major depression: a role for interferon-γ gene.
    Brain, behavior, and immunity, 2013, Volume: 31

    Topics: Adult; Aged; Depressive Disorder, Major; Female; Humans; Hydroxyindoleacetic Acid; Immunogenetics; I

2013
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
Putative neuroprotective and neurotoxic kynurenine pathway metabolites are associated with hippocampal and amygdalar volumes in subjects with major depressive disorder.
    Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2015, Volume: 40, Issue:2

    Topics: Adult; Amygdala; Anhedonia; Brain-Derived Neurotrophic Factor; C-Reactive Protein; Depressive Disord

2015
Serum interleukin-6 is a predictive biomarker for ketamine's antidepressant effect in treatment-resistant patients with major depression.
    Biological psychiatry, 2015, Feb-01, Volume: 77, Issue:3

    Topics: Antidepressive Agents; Biomarkers, Pharmacological; Depressive Disorder, Major; Depressive Disorder,

2015
Ongoing episode of major depressive disorder is not associated with elevated plasma levels of kynurenine pathway markers.
    Psychoneuroendocrinology, 2015, Volume: 56

    Topics: Adolescent; Adult; Biomarkers; Chromatography, High Pressure Liquid; Cytokines; Depressive Disorder,

2015
The role of the kynurenine pathway in suicidality in adolescent major depressive disorder.
    Psychiatry research, 2015, Jun-30, Volume: 227, Issue:2-3

    Topics: Adolescent; Anhedonia; Biomarkers; Depressive Disorder, Major; Female; Humans; Kynurenine; Male; Sui

2015
CD40-TNF activation in mice induces extended sickness behavior syndrome co-incident with but not dependent on activation of the kynurenine pathway.
    Brain, behavior, and immunity, 2015, Volume: 50

    Topics: Animals; Antibodies, Monoclonal; Behavior, Animal; CD40 Antigens; CD40 Ligand; Conditioning, Psychol

2015
Activation of the kynurenine pathway is associated with striatal volume in major depressive disorder.
    Psychoneuroendocrinology, 2015, Volume: 62

    Topics: Adult; Anhedonia; Biomarkers; Corpus Striatum; Depressive Disorder, Major; Female; Humans; Kynurenic

2015
The Prodrug 4-Chlorokynurenine Causes Ketamine-Like Antidepressant Effects, but Not Side Effects, by NMDA/GlycineB-Site Inhibition.
    The Journal of pharmacology and experimental therapeutics, 2015, Volume: 355, Issue:1

    Topics: Animals; Behavior, Animal; Conditioning, Psychological; Depressive Disorder, Major; Glycine; Hindlim

2015
(13)C-tryptophan breath test detects increased catabolic turnover of tryptophan along the kynurenine pathway in patients with major depressive disorder.
    Scientific reports, 2015, Nov-03, Volume: 5

    Topics: Administration, Oral; Adult; Aged; Analysis of Variance; Antidepressive Agents; Area Under Curve; Br

2015
Relationship between neurotoxic kynurenine metabolites and reductions in right medial prefrontal cortical thickness in major depressive disorder.
    Brain, behavior, and immunity, 2016, Volume: 53

    Topics: Adult; Brain; C-Reactive Protein; Case-Control Studies; Cerebral Cortex; Depressive Disorder, Major;

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
Electroconvulsive therapy suppresses the neurotoxic branch of the kynurenine pathway in treatment-resistant depressed patients.
    Journal of neuroinflammation, 2016, Feb-29, Volume: 13, Issue:1

    Topics: Adult; Chromatography, High Pressure Liquid; Cohort Studies; Cytokines; Depressive Disorder, Major;

2016
Kynurenine pathway metabolites are associated with hippocampal activity during autobiographical memory recall in patients with depression.
    Brain, behavior, and immunity, 2016, Volume: 56

    Topics: Adult; Depressive Disorder, Major; Female; Hippocampus; Humans; Kynurenic Acid; Kynurenine; Magnetic

2016
Inflammasome Activation in Major Depressive Disorder: A Pivotal Linkage Between Psychological Stress, Purinergic Signaling, and the Kynurenine Pathway.
    Biological psychiatry, 2016, 07-01, Volume: 80, Issue:1

    Topics: Depressive Disorder, Major; Humans; Inflammasomes; Kynurenine; Stress, Psychological; Tryptophan

2016
Kynurenine 3-monooxygenase is implicated in antidepressants-responsive depressive-like behaviors and monoaminergic dysfunctions.
    Behavioural brain research, 2017, 01-15, Volume: 317

    Topics: Animals; Antidepressive Agents; Biogenic Monoamines; Depressive Disorder, Major; Disease Models, Ani

2017
Tryptophan catabolism in females with irritable bowel syndrome: relationship to interferon-gamma, severity of symptoms and psychiatric co-morbidity.
    Neurogastroenterology and motility, 2008, Volume: 20, Issue:12

    Topics: Adult; Anxiety Disorders; Chromatography, High Pressure Liquid; Comorbidity; Depressive Disorder, Ma

2008
Tryptophan catabolism in females with irritable bowel syndrome: relationship to interferon-gamma, severity of symptoms and psychiatric co-morbidity.
    Neurogastroenterology and motility, 2008, Volume: 20, Issue:12

    Topics: Adult; Anxiety Disorders; Chromatography, High Pressure Liquid; Comorbidity; Depressive Disorder, Ma

2008
Tryptophan catabolism in females with irritable bowel syndrome: relationship to interferon-gamma, severity of symptoms and psychiatric co-morbidity.
    Neurogastroenterology and motility, 2008, Volume: 20, Issue:12

    Topics: Adult; Anxiety Disorders; Chromatography, High Pressure Liquid; Comorbidity; Depressive Disorder, Ma

2008
Tryptophan catabolism in females with irritable bowel syndrome: relationship to interferon-gamma, severity of symptoms and psychiatric co-morbidity.
    Neurogastroenterology and motility, 2008, Volume: 20, Issue:12

    Topics: Adult; Anxiety Disorders; Chromatography, High Pressure Liquid; Comorbidity; Depressive Disorder, Ma

2008
Neurotoxic and neuroprotective metabolites of kynurenine in patients with renal cell carcinoma treated with interferon-alpha: course and relationship with psychiatric status.
    Psychiatry and clinical neurosciences, 2008, Volume: 62, Issue:5

    Topics: Adult; Aged; Brain; Carcinoma, Renal Cell; Depressive Disorder, Major; Dose-Response Relationship, D

2008
Peripheral and cerebral metabolic abnormalities of the tryptophan-kynurenine pathway in a murine model of major depression.
    Behavioural brain research, 2010, Jun-26, Volume: 210, Issue:1

    Topics: Animals; Brain; Chronic Disease; Depressive Disorder, Major; Disease Models, Animal; Hydroxyindoleac

2010
The possible role of the kynurenine pathway in adolescent depression with melancholic features.
    Journal of child psychology and psychiatry, and allied disciplines, 2010, Volume: 51, Issue:8

    Topics: 3-Hydroxyanthranilic Acid; Adolescent; Child; Cytokines; Depressive Disorder; Depressive Disorder, M

2010
The kynurenine pathway in major depression: haplotype analysis of three related functional candidate genes.
    Psychiatry research, 2011, Aug-15, Volume: 188, Issue:3

    Topics: Adult; Depressive Disorder, Major; Female; Gene Frequency; Genetic Predisposition to Disease; Haplot

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
The possible role of the kynurenine pathway in anhedonia in adolescents.
    Journal of neural transmission (Vienna, Austria : 1996), 2012, Volume: 119, Issue:2

    Topics: Adolescent; Anhedonia; Biomarkers; Depressive Disorder, Major; Female; Humans; Kynurenine; Male; Neu

2012
Effects of antidepressants and cyclooxygenase-2 inhibitor on cytokines and kynurenines in stimulated in vitro blood culture from depressed patients.
    Inflammopharmacology, 2012, Volume: 20, Issue:3

    Topics: Adult; Antidepressive Agents; Blood Cells; Cells, Cultured; Cyclooxygenase 2 Inhibitors; Cytokines;

2012
Tryptophan depletion in depressed patients occurs independent of kynurenine pathway activation.
    Brain, behavior, and immunity, 2012, Volume: 26, Issue:6

    Topics: Adult; Biomarkers; C-Reactive Protein; Chromatography, High Pressure Liquid; Cytokines; Depressive D

2012
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