Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 492-27-3, is researched, SMILESS is O=C(C1=NC2=CC=CC=C2C(O)=C1)O, Molecular C10H7NO3Journal, Article, Meta-Analysis, Research Support, Non-U.S. Gov’t, Molecular Psychiatry called The kynurenine pathway in major depressive disorder, bipolar disorder, and schizophrenia: a meta-analysis of 101 studies, Author is Marx, Wolfgang; McGuinness, Amelia J.; Rocks, Tetyana; Ruusunen, Anu; Cleminson, Jasmine; Walker, Adam J.; Gomes-da-Costa, Susana; Lane, Melissa; Sanches, Marsal; Diaz, Alexandre P.; Tseng, Ping-Tao; Lin, Pao-Yen; Berk, Michael; Clarke, Gerard; O′Neil, Adrienne; Jacka, Felice; Stubbs, Brendon; Carvalho, Andre F.; Quevedo, Joao; Soares, Jair C.; Fernandes, Brisa S., the main research direction is meta analysis kynurenine major depressive bipolar disorder schizophrenia.Recommanded Product: 4-Hydroxyquinoline-2-carboxylic Acid.
The importance of tryptophan as a precursor for neuroactive compounds has long been acknowledged. The metabolism of tryptophan along the kynurenine pathway and its involvement in mental disorders is an emerging area in psychiatry. We performed a meta-anal. to examine the differences in kynurenine metabolites in major depressive disorder (MDD), bipolar disorder (BD), and schizophrenia (SZ). Electronic databases were searched for studies that assessed metabolites involved in the kynurenine pathway (tryptophan, kynurenine, kynurenic acid, quinolinic acid, 3-hydroxykynurenine, and their associate ratios) in people with MDD, SZ, or BD, compared to controls. We computed the difference in metabolite concentrations between people with MDD, BD, or SZ, and controls, presented as Hedges′g with 95% confidence intervals. A total of 101 studies with 10,912 participants were included. Tryptophan and kynurenine are decreased across MDD, BD, and SZ; kynurenic acid and the kynurenic acid to quinolinic acid ratio are decreased in mood disorders (i.e., MDD and BD), whereas kynurenic acid is not altered in SZ; kynurenic acid to 3-hydroxykynurenine ratio is decreased in MDD but not SZ. Kynurenic acid to kynurenine ratio is decreased in MDD and SZ, and the kynurenine to tryptophan ratio is increased in MDD and SZ. Our results suggest that there is a shift in the tryptophan metabolism from serotonin to the kynurenine pathway, across these psychiatric disorders. In addition, a differential pattern exists between mood disorders and SZ, with a preferential metabolism of kynurenine to the potentially neurotoxic quinolinic acid instead of the neuroprotective kynurenic acid in mood disorders but not in SZ.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”