methyl xanthine/inflamación

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Screening of non-steroidal anti-inflammatory drugs, barbiturates and methyl xanthines in equine urine by gas chromatography-mass spectrometry.

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A gas chromatographic-mass spectrometric (GC-MS) screening procedure for 23 acidic drugs in equine urine is described. With the GC-MS method fifteen anti-inflammatory drugs, five barbiturates and three methyl xanthines can be detected with good sensitivity and selectivity. The method consists of

The effects of 3-isobutyl-methyl-xanthine on experimentally induced ocular inflammation in the rabbit.

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The effect of topical administration of 3-isobutyl-methyl-xanthine (IBMX), a potent phosphodiesterase inhibitor, was studied on an experimentally provoked uveitis in rabbits. After presensitization with an intravitreal injection of human serum albumin (HSA), intravenous antigenic challenge induces

Interaction of methyl-xanthines with myeloperoxidase. An anti-inflammatory mechanism.

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1. Inhibition of myeloperoxidase (MPO)-catalyzed reactions by methyl-substituted xanthines has been investigated. 2. Except for theobromine and caffeine, all xanthines tested were potent inhibitors of the MPO-H2O2-Cl- system. 3. In contrast to methyl substitution in the 1 or 8 position of xanthine,

Anti-inflammatory action of drugs that raise adenosine-3',5'-cyclic monophosphate and putrescine levels in-vivo.

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Isoprenaline and salbutamol, two beta-adrenoceptor agonist drugs, and 3-isobutyl-methyl xanthine and thioacetamide have been shown to be anti-inflammatory. Their mode of action is probably due to an increase in the levels of the three endogenous substances adenosine-3',5'-cyclic monophosphate and

Pharmacodynamic profile of the new potent antibronchospastic agent 7-[(2,2-dimethyl)propyl]-1-methyl xanthine.

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The pharmacodynamic profile of a new xanthine derivative, 7-[(2,2-dimethyl)propyl]-1-methyl xanthine (CAS 155006-67-0, MX2/120), was investigated in comparison with theophylline. The compound reduces in vitro the bronchospastic tone induced by carbachol or histamine in guinea-pig bronchi, with a

The methyl xanthine caffeine inhibits DNA damage signaling and reactive species and reduces atherosclerosis in ApoE(-/-) mice.

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OBJECTIVE Caffeine remains one of the most widely consumed drugs in the world. Caffeine has multiple actions, including inhibition of the DNA damage response, and its metabolites, 1-methylxanthine and 1-methyluric acid, are potent antioxidants. Combined, these properties can exert direct effects on

Oral methyl-xanthines for bronchiectasis.

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BACKGROUND Bronchiectasis is characterised by chronic sputum production,bronchial wall dilation,recurrent infection and airflow limitation. Methylxanthines are used in the management of airflow limitation associated with asthma and COPD, where they are also purported to have anti-inflammatory

Systemic Inflammation in the Genesis of Frailty and Sarcopenia: An Overview of the Preventative and Therapeutic Role of Exercise and the Potential for Drug Treatments.

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The clinical, pathological and biological characteristics of frailty and sarcopenia are becoming better understood and defined, including the role of systemic inflammation. It is increasingly apparent that in older adults there is a tendency for the innate immune network to shift toward a

Release of a specific set of proinflammatory adipokines by differentiating 3T3-L1 cells.

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OBJECTIVE Although there is a large amount of data on the role of preadipocytes in promoting the release of proinflammatory cytokines and chemokines in response to macrophage-derived cytokines, the direct role of insulin and saturated fatty acids in modulating the release of inflammatory cytokines

Caffeine metabolites are inhibitors of the nuclear enzyme poly(ADP-ribose)polymerase-1 at physiological concentrations.

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The activity of the nuclear enzyme poly(ADP-ribose)polymerase-1 (E.C.2.4.2.30), which is highly activated by DNA strand breaks, is associated with the pathophysiology of both acute as well as chronic inflammatory diseases. PARP-1 overactivation and the subsequent extensive turnover of its substrate

Pentoxifylline inhibits human T-cell adhesion to dermal endothelial cells.

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Pentoxifylline (PTX), a methyl xanthine derivative with phosphodiesterase inhibitory activity, has been shown to have antiinflammatory effects. Previous studies have demonstrated that PTX can suppress TNF alpha production and function, and can inhibit the adhesion of neutrophils and monocytes to

Clinical relevance of drug interactions with lithium.

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Although lithium continues to be regarded as the treatment of choice for bipolar disorders, the clinical use of this mood stabiliser is associated with an extremely narrow therapeutic range. Relatively minor increases in serum concentrations may induce serious adverse sequelae, and concentrations

Asthma. New therapeutic approaches.

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New therapeutic approaches to asthma involve either improvements in existing classes of drug, or the development of novel drugs. Over the last 20 years there have been no new types of drug introduced, although several new classes of compound are now under development. Improvements in existing

Hypothesis: Pentoxifylline explores new horizons in treatment of preeclampsia.

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Preeclampsia, the leading cause of maternal morbidity and perinatal mortality, initiates as inappropriate immune response to trophoblastic invasion impairs placentation and placental circulation. A poorly perfused placenta generates superoxide anions as well as anti-angiogenic factors and this

Interleukin-10 and pentoxifylline inhibit C-reactive protein-induced tissue factor gene expression in peripheral human blood monocytes.

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Fibrin deposition is an integral feature of the inflammatory response. In response to C-reactive protein (CRP), an acute-phase reactant, blood monocytes synthesize and express tissue factor (TF), the main initiator of blood coagulation. We report the inhibitory effect of interleukin 10 (IL-10) and

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