Tryptophan Metabolism
Tryptophan metabolism in vitamin B6-deficient mice
... Tryptophan metabolism was assessed by determining the urinary excretion of tryptophan metabolites, the metabolism of It4Cjtryptophan in vivo and the formation of tryptophan and niacin m[r] ...
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Decreased tryptophan metabolism in patients with autism spectrum disorders
... five tryptophan dipeptides along with a positive control (α-D-glucose), a negative control (empty well), and L-tryptophan, replicated our previous observations of reduced tryptophan metabolism ...
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The transcriptional programme of Salmonella enterica serovar Typhimurium reveals a key role for tryptophan metabolism in biofilms
... acid metabolism were up-regulated during biofilm growth, particularly tryptophan biosynthesis ...for tryptophan was confirmed at the phenotypic level by showing that a trpE mutant formed ...
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Host interleukin 6 production regulates inflammation but not tryptophan metabolism in the brain during murine GVHD
... in tryptophan metabolism via the IDO-1 pathway, the collective results suggest that any toxicity occurring as a result of this pathway could be due to the preferential loss of neuropro- tective, as opposed ...
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Current evidence for a role of the kynurenine pathway of tryptophan metabolism in multiple sclerosis
... of tryptophan metabolism produces neuroprotective as well as neurotoxic metabolites that can influence MS ...green. Tryptophan (blue box) may be metabolized to serotonin and melatonin in multi-step ...
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Tryptophan metabolism, its relation to inflammation and stress markers and association with psychological and cognitive functioning: Tasmanian Chronic Kidney Disease pilot study
... of Tryptophan metabolism, including box plots of quantified ...multi-step metabolism, Green arrow and metabolite are produced only by gut ...TDO, tryptophan 2,3-dioxygenase; TPH, ...
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Effects of oestradiol and vitamin B6 on tryptophan metabolism in the rat: implications for the interpretation of the tryptophan load test for vitamin B6 nutritional status
... Doses of the order of 20 mg of the vitamin/d are required to correct the abnormalities of tryptophan metabolism in women receiving oestrogens (Luhby et af. 1971) but[r] ...
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Imaging cerebral tryptophan metabolism in brain tumor-associated depression
... of tryptophan metabolism in patients with depression not associated with cancer [24–26], this is the first study to assess imaging correlates of cerebral trypto- phan metabolism in brain ...
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Inhibiting tryptophan metabolism enhances interferon therapy in kidney cancer
... Renal cell carcinoma (RCC) is increasing in incidence, and a complete cure remains elusive. While immune-checkpoint antibodies are promising, interferon-based immunotherapy has been disappointing. Tryptophan ...
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Etiological classification of depression based on the enzymes of tryptophan metabolism
... hypofunctional 5-HTP cells (reflecting TPH1 dysfunction) in the periphery lead to deficient brain 5-HT levels. Additionally, it has been reported that higher TPH2 expression in depressed suicides may reflect a ...
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Formula diet driven microbiota shifts tryptophan metabolism from serotonin to tryptamine in neonatal porcine colon
... on tryptophan metabolism and interestingly, several genera were correlated to tryptophan ...understand tryptophan fate in the distal colon, we looked at the serotonin pathway and observed ...
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Circadian periodicity of tryptophan metabolism
... of tryptophan metabolism via the kynurenine pathway has been demonstrated in ...of tryptophan at 0900 hours excreted almost three times the quantity of kynurenine, kynurenic acid, and xanthurenic ...
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Role of the indoleamine-2,3-dioxygenase/kynurenine pathway of tryptophan metabolism in behavioral alterations in a hepatic encephalopathy rat model
... In the present study, L type 1-MT, not 1-methyl- D - tryptophan ( D type 1-MT), was employed to further ex- plore the role of IDO1 activity in the change of behavior. In the present BDL model, depressive-like and ...
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Shifts in the balance of brain tryptophan metabolism due to age and systemic administration of lipopolysaccharide
... TRP Metabolism Age shifted the balance between the KYN and 5-HT pathways to the 5-HT pathway, as was expected based on the results of our previous study ...
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Tryptophan Metabolism Activates Aryl Hydrocarbon Receptor Mediated Pathway To Promote HIV 1 Infection and Reactivation
... glutamate metabolism, featuring increased glutamate produc- FIG 5 HIV-1 Tat exhibits AHR-dependent recruitment of P-TEFb complex for subsequent phosphorylation of RNA Pol ...
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Inhibition of tryptophan metabolism by oestrogens in the rat: a factor in the aetiology of pellagra
... The activities of the following enzymes were determined by the methods that have been described previously (Bender, 1 9 8 0 ~ ; Bender et al. 13.11 .6); picolinate carboxylase ([r] ...
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Effects of oestrogen administration on vitamin B6 and tryptophan metabolism in the rat
... Neither group of oestrone sulphate-treated animals showed any significant difference from controls in the concentration of pyridoxal phosphate in liver or kidney, the urinary excretion [r] ...
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Abnormal Tryptophan Metabolism in Patients with Adult Celiac Disease, with Evidence for Deficiency of Vitamin B6
... Summary The excretion of the metabolites of tryptophan -5-hydroxyindoleacetic acid, indole-3-acetic acid, indican, kynurenine, xanthurenic acid, and kynurenic acid-was quantitatively det[r] ...
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Tryptophan Metabolism in Man
... After an oral tryptophan load of 100 mg per kg, there was a significantly higher excretion micromoles per 24 hours per kilogram of kynurenine including acetylkynurenine, 3-hydroxykynuren[r] ...
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Urinary metabolomics of young Italian autistic children supports abnormal tryptophan and purine metabolism
... the tryptophan/nicotinic acid metabolic pathway, (b) sulfur and amino acid metabo- lisms, and (c) gut microbiome, with an excess of sev- eral gut-derived co-metabolites ...acid metabolism and gut micro- ...
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