Results 31 to 40 of about 1,437,430 (390)
Nature Communications, 2022 Honeybees are highly social insects with a rich behavioral repertoire and are a versatile model for neurobiological research. Their gut microbiota comprises a limited number of host-restricted bacterial phylotypes that are important for honeybee health ...
Zijing Zhang +5 more
semanticscholar +1 more source
Tryptophan metabolism in bipolar disorder
European Psychiatry, 2022 Introduction Immune mediated inflammatory processes are involved in the aetiopathogenesis of bipolar disorder (BD) and weight associated comorbidities. Tryptophan breakdown via indoleamine 2,3-dioxygenase-1 (IDO-1) along the kynurenine axis concomitant ...
F. Fellendorf +11 more
doaj +1 more source
Frontiers in Pharmacology, 2023 Introduction: The 5-year survival of gastric cancer (GC) patients with advanced stage remains poor. Some evidence has indicated that tryptophan metabolism may induce cancer progression through immunosuppressive responses and promote the malignancy of ...
Peng Luo +6 more
doaj +1 more source
Lactobacillus reuteri tryptophan metabolism promotes host susceptibility to CNS autoimmunity
Microbiome, 2022 Background Dysregulation of gut microbiota-associated tryptophan metabolism has been observed in patients with multiple sclerosis. However, defining direct mechanistic links between this apparent metabolic rewiring and individual constituents of the gut ...
T. Montgomery +8 more
semanticscholar +1 more source
Tryptophan metabolites in depression: Modulation by gut microbiota
Frontiers in Behavioral Neuroscience, 2022 Clinical depression is a multifactorial disorder and one of the leading causes of disability worldwide. The alterations in tryptophan metabolism such as changes in the levels of serotonin, kynurenine, and kynurenine acid have been implicated in the ...
Iva Lukić +3 more
doaj +1 more source
USP14 promotes tryptophan metabolism and immune suppression by stabilizing IDO1 in colorectal cancer
Nature Communications, 2022 Indoleamine 2,3 dioxygenase 1 (IDO1) is an attractive target for cancer immunotherapy. However, IDO1 inhibitors have shown disappointing therapeutic efficacy in clinical trials, mainly because of the activation of the aryl hydrocarbon receptor (AhR ...
Dongni Shi +17 more
semanticscholar +1 more source
Vagus Nerve Stimulation in Refractory Epilepsy: Effects on Pro- and Anti-Inflammatory Cytokines in Peripheral Blood [PDF]
, 2010 Objective: The vagus nerve has important immunological functions that may be relevant for its anticonvulsive action. We postulate that this anticonvulsive action is activated by a shift in the immune system resulting in a reduction of neurotoxic and an ...
Berfelo, M. W. +6 more
core +12 more sources
Biomolecules, 2022 Emerging evidence suggests that neuroinflammation is involved in both depression and neurodegenerative diseases. The kynurenine pathway, generating metabolites which may play a role in pathogenesis, is one of several competing pathways of tryptophan ...
Knut Hestad +3 more
doaj +1 more source
Gut, 2022 Objective The extent to which tryptophan (Trp) metabolism alterations explain or influence the outcome of inflammatory bowel diseases (IBDs) is still unclear. However, several Trp metabolism end-products are essential to intestinal homeostasis.
C. Michaudel +35 more
semanticscholar +1 more source
Nutritional Aspect of Tryptophan Metabolism [PDF]
International Journal of Tryptophan Research, 2013 Mammals, including humans, can synthesize the vitamin nicotinamide from tryptophan in the liver. The resultant nicotinamide is distributed to non-hepatic tissues. We have studied the effects of changes in tryptophan–nicotinamide metabolism on niacin nutritional status. The liver plays a critical role in nicotinamide supply.
Tsutomu Fukuwatari, Katsumi Shibata
openaire +3 more sources