Schizophrenia, which affects around 1% of the world's population, has been described as a complex set of symptoms triggered by multiple factors. However, the exact background mechanisms remain to be explored, whereas therapeutic agents with excellent effectivity and safety profiles have yet to be developed. Kynurenines and the endocannabinoid system (ECS) play significant roles in both the development and manifestation of schizophrenia, which have been extensively studied and reviewed previously. Accordingly, kynurenines and the ECS share multiple features and mechanisms in schizophrenia, which have yet to be reviewed. Thus, the present study focuses on the main common points and potential interactions between kynurenines and the ECS in schizophrenia, which include (i) the regulation of glutamatergic/dopaminergic/γ-aminobutyric acidergic neurotransmission, (ii) their presence in astrocytes, and (iii) their role in inflammatory mechanisms. Additionally, promising pharmaceutical approaches involving the kynurenine pathway and the ECS will be reviewed herein.
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http://dx.doi.org/10.3390/molecules24203709 | DOI Listing |
Ageing Res Rev
December 2024
Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China; Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China. Electronic address:
Traumatic brain injury (TBI) presents significant risks concerning mortality and morbidity. Individuals who suffer from TBI may exhibit mood disorders, including anxiety and depression. Both preclinical and clinical research have established correlations between TBI and disturbances in the metabolism of amino acids, lipids, iron, zinc, and copper, which are implicated in the emergence of mood disorders post-TBI.
View Article and Find Full Text PDFBMC Med
January 2024
Department of Psychiatry, McGill University, Montreal, QC, Canada.
Background: The endocannabinoid (eCB) system and the serotonin (5-HT) are both implicated in the severity of the depression. 5-HT is synthesized from the amino acid tryptophan (Trp), which is also a precursor for kynurenine (Kyn) whose production is increased at the expense of 5-HT in depressed patients. No clinical studies have investigated the crosstalk between the eCB system and the Trp/5-HT/Kyn pathways.
View Article and Find Full Text PDFPharmaceuticals (Basel)
October 2023
Neuromuscular Diseases Laboratory, Clinical Neurosciences Division, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Mexico City 14389, Mexico.
Metabolites
July 2023
Division of Gastroenterology & Hepatology, University of Illinois Chicago, Chicago, IL 60612, USA.
Inflammatory bowel diseases (IBD) involve complex interactions among genetic factors, aberrant immune activation, and gut microbial dysbiosis. While metabolomic studies have focused on feces and serum, fewer investigations have examined the intestinal mucosa despite its crucial role in metabolite absorption and transport. The goals of this study were twofold: to test the hypothesis that gut microbial dysbiosis from chronic intestinal inflammation leads to mucosal metabolic alterations suitable for therapeutic targeting, and to address gaps in metabolomic studies of intestinal inflammation that have overlooked the mucosal metabolome.
View Article and Find Full Text PDFFront Neuroendocrinol
July 2023
Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston (UTHealth), United States. Electronic address:
Bipolar disorder is a decidedly heterogeneous and multifactorial disease, with significant psychosocial and medical disease burden. Much difficulty has been encountered in developing novel therapeutics and objective biomarkers for clinical use in this population. In that regard, gut-microbial homeostasis appears to modulate several key pathways relevant to a variety of psychiatric, metabolic, and inflammatory disorders.
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