superoxide dismutase/seizures

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The effects of superoxide dismutase mimetic MnTMPyP on the altered blood-brain barrier integrity in experimental preeclampsia with or without seizures in rats.

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We investigated the effects of a cell-permeable superoxide dismutase mimetic, manganese(III) tetrakis(1-methyl-4-pyridyl)porphyrin (MnTMPyP) on blood-brain barrier (BBB) integrity following pentylenetetrazole (PTZ)-induced seizures in experimental preeclampsia symptoms induced by

Increased activity of superoxide dismutase in kindled brain and suppression of kindled seizure following intra-amygdaloid injection of superoxide dismutase in rats.

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The possible role played by superoxide dismutase (SOD), a major defense system for counteracting the toxic effects of oxygen free radicals, in amygdaloid (AM) kindling was examined in rats. A significant increase of total SOD activity in the whole brain was observed 30 days after completion of AM

The role of superoxide dismutase and alpha-tocopherol in the development of seizures and kindling induced by pentylenetetrazol - influence of the radical scavenger alpha-phenyl-N-tert-butyl nitrone.

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Previous experiments have shown that the generation of free hydroxyl radicals in rat brain homogenates is increased following pentylenetetrazol (PTZ) kindling. The present study was performed in order to evaluate the involvement of endogeneous radical defence systems as the superoxide dismutase

Pentylenetetrazol-induced seizures and kindling: changes in free fatty acids, superoxide dismutase, and glutathione peroxidase activity.

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The whole brain free fatty acid (FFA) level, as well as the activities of superoxide dismutase (SOD) and glutathione peroxidase (GPX) were determined in the frontal cortex, cerebellum, hippocampus, and pons-medulla region of the single pentylenetetrazol (PZT)-treated and PZT-kindled Hannover-Wistar

Apoptotic Markers Are Increased in Epilepsy Patients: A Relation with Manganese Superoxide Dismutase Ala16Val Polymorphism and Seizure Type through IL-1β and IL-6 Pathways.

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The MnSOD Ala16Val single nucleotide polymorphism (SNP) has been associated with different diseases. However, there are scarcely studies relating this SNP in epilepsy, a neurologic disease that involves some interacting pathways, such as apoptotic and inflammatory factors. In this sense, we decided

[The effect of superoxide dismutase on seizures in an experimental rat model of epilepsy].

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Role of superoxide dismutases in oxidative damage and neurodegenerative disorders.

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In recent years, oxidative stress has been implicated in a variety of degenerative processes, diseases, and syndromes. Some of these include atherosclerosis, myocardial infarction, stroke, and ischemia/reperfusion injury; chronic and acute inflammatory conditions such as wound healing; central

Byproducts of protein, lipid and DNA oxidative damage and antioxidant enzyme activities in seizure.

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OBJECTIVE To get more insight into molecular mechanisms underlying oxidative stress and its role in different types of seizure, in this study, oxidative byproducts of proteins, lipids and DNA, as well as, antioxidant enzyme activities were studied in adult patients with epilepsy. METHODS Study was

Effects of preconditioning exercise on nitric oxide and antioxidants in hippocampus of epileptic seizure.

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The mechanism of epileptic seizure has not been identified clearly. Exercise can play a role of antioxidants against oxidative stress. In the present study, the neuroprotective effects of preconditioning exercise on epileptic seizure were investigated with focusing on antioxidants activity in the

Selective neuronal vulnerability and inadequate stress response in superoxide dismutase mutant mice.

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To understand the role of oxidative stress and mitochondrial defects in the development of neurodegeneration, we examined the age-related pathological changes and corresponding gene expression profiles in homozygous mutant mice deficient in the mitochondrial form of superoxide dismutase (MnSOD,

Activities of α-asarone in various animal seizure models and in biochemical assays might be essentially accounted for by antioxidant properties.

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Anticonvulsant properties of α-asarone were studied in mice at three doses with different toxicity. The 100mg/kg dose decreased both treadmill performance and locomotor activity, caused hypothermia, and potentiated pentobarbital-induced sleep. The last two effects and no toxicity were observed at 60

Influence of NG-nitro-L-arginine methyl ester on clinical and biochemical effects of methylene blue in pentylenetetrazole-evoked convulsions.

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OBJECTIVE Despite years of research in a number of experimental models the question whether nitric oxide (NO) and methylene blue (MB) have pro- or anticonvulsant effects remains to be fully resolved. Methods. In adult Wistar rats the influence of a nonselective inhibitor of nitric oxide synthase

Antidepressant drugs in convulsive seizures: Pre-clinical evaluation of duloxetine in mice.

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Convulsive seizures (CS) are deleterious consequences of acute cerebral insults and prejudicial events in epilepsy, affecting more than 50 million people worldwide. Molecular mechanisms of depression and epilepsy include an imbalance between excitatory and inhibitory neurotransmission provoking

The evaluation of effects of lipoic acid on the lipid peroxidation, nitrite formation and antioxidant enzymes in the hippocampus of rats after pilocarpine-induced seizures.

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It has been suggested that pilocarpine-induced seizures is mediated by increases in oxidative stress. Current researches have suggested that antioxidant compounds may afford some level of neuroprotection against the neurotoxicity of seizures in cellular level. The objective of the present study was

Superoxide production in experimental seizures in cats.

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OBJECTIVE Seizures cause cerebrovascular responses similar to those seen in conditions such as acute hypertension, ischemia/reperfusion, or fluid-percussion brain injury, which are associated with the generation of superoxide. Accordingly, we studied production of superoxide in experimental

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