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Imbalance in amino acid and purine metabolisms at the hypothalamus in inflammation-associated depression by GC-MS.

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Hypothalamic dysfunction is a key factor in depression; increasing evidence highlights neuroinflammation abnormalities as well as imbalances in neurotransmitters and the purinergic system in the pathophysiology of depression. However, little is known about the metabolomic changes in the hypothalamus

Structure Determination and Anti-Inflammatory Activity of some Purine Complexes.

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Organomercury(II)-purine derivatives of the type, p-MeOC(6)H(4)HgL(1) (I), p-NO(2)C(6)H(4)HgCl(L(2))(II), p-MeC(6)H(4)HgCl(L(3))(III) and p-NO(2)C(6)H(4)HgCl(L(3))(IV) [ HL(1) = theophylline, L(2) = theobromine, L(3) = caffeine] have been synthesised and characterised on the basis of spectral

Design, synthesis and ability of non-gold complexed substituted purine derivatives to inhibit LPS-induced inflammatory response.

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In order to study the anti-inflammatory activity of novel 6-substituted and 6,9-disubstituted purine derivatives, 20 compounds, L1-10 and W1-10, derived from purine and lacking a gold complex were designed, synthesized and their anti-inflammatory activity was screened. LPS-induced TNF-α, IL-1β,

Febuxostat, a Xanthine Oxidoreductase Inhibitor, Decreases NLRP3-dependent Inflammation in Macrophages by Activating the Purine Salvage Pathway and Restoring Cellular Bioenergetics.

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The nucleotide-binding oligomerization domain-like receptor family, pyrin domain-containing 3 (NLRP3) inflammasome mediates caspase-1 activation and IL-1β processing and is implicated in autoinflammatory as well as other chronic inflammatory diseases. Recent studies have demonstrated that xanthine

Purine signaling regulating HSCs inflammatory cytokines secretion, activation, and proliferation plays a critical role in alcoholic liver disease.

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Purine signaling pathway plays an important role in inflammation and tissue damage. To investigate the role of purine signaling pathway in acute alcoholic liver injury and chronic alcoholic liver fibrosis, we replicated two animal models and two cellular models. We found that body weights, liver

Extracellular purines are biomarkers of neutrophilic airway inflammation.

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Purinergic signalling regulates airway defence mechanisms, suggesting that extracellular purines could serve as airway inflammation biomarkers in cystic fibrosis (CF). The purines adenosine triphosphate (ATP), adenosine diphosphate (ADP), adenosine monophosphate (AMP) and adenosine were measured in

High-dose folate and dietary purines promote scavenging of peroxynitrite-derived radicals--clinical potential in inflammatory disorders.

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Reduced folates have been shown to reconstitute the proper activity of "uncoupled" endothelial nitric oxide synthase in inflamed endothlelium. There is recent evidence that this phenomenon may reflect an ability of reduced folates to scavenge peroxynitrite - or, more likely, nitrogen dioxide and

Purine, kynurenine, neopterin and lipid peroxidation levels in inflammatory bowel disease.

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The kynurenine metabolites of tryptophan may be involved in the regulation of neuronal activity and thus gut motility and secretion. We have now performed a pilot study to measure serum concentrations of purines and kynurenines in patients with mild inflammatory bowel disease, as well as in sex- and

Analgesic and anti-inflammatory activity of 7-substituted purine-2,6-diones.

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BACKGROUND In an effort to develop new analgesic and anti-inflammatory agents, we determined a series of 7-substituted purine-2,6-diones. METHODS The obtained compounds (1-6) were evaluated pharmacologically in four in vivo models: the writhing syndrome, the formalin tests, the carrageenan-induced

Participation of purines in the modulation of inflammatory response in rats experimentally infected by Cryptococcus neoformans.

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The present study was carried out to assess the participation of purines in the activation and modulation of inflammatory response of rats experimentally infected by Cryptococcus neoformans. Twenty four Wistar rats were divided into two groups of 12 animals each: Group A - uninfected control group

Theacrine, a purine alkaloid with anti-inflammatory and analgesic activities.

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The anti-inflammatory and analgesic effects of theacrine (1, 3, 7, 9-tetramethyluric acid), a purine alkaloid which is abundantly present in Camellia kucha, were investigated. Xylene-induced ear edema, acetic acid-induced vascular permeability and lambda-carrageenan-induced paw edema were used to

Release of soluble and vesicular purine nucleoside phosphorylase from rat astrocytes and microglia induced by pro-inflammatory stimulation with extracellular ATP via P2X7 receptors.

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Purine nucleoside phosphorylase (PNP), a crucial enzyme in purine metabolism which converts ribonucleosides into purine bases, has mainly been found inside glial cells. Since we recently demonstrated that PNP is released from rat C6 glioma cells, we then wondered whether this occurs in normal brain

In vitro inflammatory/anti-inflammatory effects of nitrate esters of purines.

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Six purine analogues bearing a nitrate ester group (potential NO donor) were tested on human THP-1 macrophages to investigate their effects on the inflammatory response. Only three analogues increased the basal level of IL-1β. Two analogues exacerbated the inflammatory response induced by ATP but

Co-Nanoencapsulation of Vitamin D3 and Curcumin Regulates Inflammation and Purine Metabolism in a Model of Arthritis.

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We analyzed the effects of a nanoencapsulated association of curcumin and vitamin D₃ on purine metabolism enzymes in neutrophils, lymphocytes, and platelets in a model of adjuvant-induced arthritis (AIA) in rats. Following AIA induction, the animals were treated for 15 days with free and

Levels of purine, kynurenine and lipid peroxidation products in patients with inflammatory bowel disease.

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The factors affecting gut activity in inflammatory bowel disease are unclear, but purines and kynurenines may be involved in the regulation of neuronal activity and therefore gut motility and secretion. We have measured the serum levels of these compounds in patients and in sex- and age-matched

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