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Strana 1 z 55 Výsledek
Thiol/disulfide homeostasis as a novel indicator of oxidative stress in children with simple febrile seizures.
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Přihlášení Registrace
Simple febrile seizures are generally benign, but during the seizure, elevated levels of glutamate and high levels of oxygen use due to the high metabolic brain activity result in oxidative stress. However, the relationship between febrile seizures and oxidative stress remains unclear. In this
Effect of thiamine tetrahydrofurfuryl disulfide on audiogenic seizures in DBA/2J mice.
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Přihlášení Registrace
Weanling mice of the DBA/2J strain are spontaneously audiogenically seizure prone between 19 and 24 days. Thereafter, susceptibility declines rapidly within the next 7-10 days. It was found that thiamine tetrahydrofurfuryl disulfide (TTFD) significantly delayed the natural disappearance of seizure
PDI-Mediated Reduction of Disulfide Bond on PSD95 Increases Spontaneous Seizure Activity by Regulating NR2A-PSD95 Interaction in Epileptic Rats Independent of S-Nitrosylation.
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Přihlášení Registrace
Postsynaptic density-95 (PSD95), a major scaffolding protein, is critical in coupling N-methyl-D-aspartate receptor (NMDAR) to cellular signaling networks in the central nervous system. A couple of cysteine residues in the N-terminus of PSD95 are potential sites for disulfide bonding,
An easy way to produce convulsions in rats: carbon disulfide.
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Přihlášení Registrace
PDI Knockdown Inhibits Seizure Activity in Acute Seizure and Chronic Epilepsy Rat Models via S-Nitrosylation-Independent Thiolation on NMDA Receptor.
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Přihlášení Registrace
Redox modulation and S-nitrosylation of cysteine residues are the post-translational modifications of N-methyl-D-aspartate receptor (NMDAR) to regulate its functionality. Recently, we have reported that protein disulfide isomerase (PDI) reduces disulfide bond (S-S) to free thiol (-SH)
PDI regulates seizure activity via NMDA receptor redox in rats.
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Přihlášení Registrace
Redox modulation of cysteine residues is one of the post-translational modifications of N-methyl-D-aspartate receptor (NMDAR). Protein disulfide isomerases (PDI), an endoplasmic reticulum (ER) chaperone, plays a crucial role in catalyzing disulfide bond formation, reduction, and isomerization. In
Elongation of the interchain disulfide bridges of insulin. A synthetic analog.
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Přihlášení Registrace
The sythesis and isolation in purified form of an analog of insulin with the interchain disulfide bridges elongated by a methylene group is described. This analog differs from the parent molecule in that the cystein residues occupying positions A-7 and A-20 and involved in the formation of the two
Effect of pentylenetetrazol-induced epileptic seizure on thiol redox state in the mouse cerebral cortex.
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Přihlášení Registrace
In the present study we examined the effects of pentylenetetrazol (PTZ) administration on the thiol redox state (TRS), lipid peroxidation and protein oxidation in left and right mouse cerebral cortex in order (a) to quantitate the major components of the thiol redox state and relate them with
2-Mercaptoethanesulfonate-cysteine disulfide excretion following the administration of 2-mercaptoethanesulfonate--a pitfall in the diagnosis of sulfite oxidase deficiency.
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Přihlášení Registrace
In the urine of a neonate with respiratory insufficiency and convulsions a positive sulfite reaction was found, which is suggestive of sulfite oxidase deficiency. The nitroprusside reaction also was positive. More detailed investigations showed that both tests were positive due to the administration
Death Domain Signaling by Disulfide-Linked Dimers of the p75 Neurotrophin Receptor Mediates Neuronal Death in the CNS.
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Přihlášení Registrace
The p75 neurotrophin receptor (p75(NTR)) mediates neuronal death in response to neural insults by activating a caspase apoptotic pathway. The oligomeric state and activation mechanism that enable p75(NTR) to mediate these effects have recently been called into question. Here, we have investigated
Pharmacological analysis of local anaesthetic tolycaine-induced convulsions by modification of monoamines in rat brain.
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Přihlášení Registrace
The effects of a local anaesthetic, tolycaine, on brain monoamine levels were investigated during the convulsive process in rats. The influence of central monoamine modifications on tolycaine-induced convulsions was also examined. Tolycaine (140 mg/kg, intraperitoneally) produced a significant
Identification of an intra-molecular disulfide bond in the sodium channel β1-subunit.
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Přihlášení Registrace
The sodium channel β1 subunit is non-covalently associated with the pore-forming α-subunits, and has been proposed to act as a modulator of channel activity, regulator of channel cell surface expression and cell adhesion molecule. Its importance is evident since mutations of the β1 subunit cause
Increased susceptibility of glutathione peroxidase-1 transgenic mice to kainic acid-related seizure activity and hippocampal neuronal cell death.
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Přihlášení Registrace
Glutathione peroxidase (GSHPx) has been demonstrated in several in vivo studies to reduce both the risk and severity of oxidatively-induced tissue damage. The seizure-inducing neurotoxin kainic acid (KA) has been suggested to elicit its toxic effects in part via generation of oxidative stress. In
Disulfide-containing high mobility group box-1 promotes N-methyl-D-aspartate receptor function and excitotoxicity by activating Toll-like receptor 4-dependent signaling in hippocampal neurons.
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Přihlášení Registrace
OBJECTIVE
Using primary cultures of mouse hippocampal neurons, we studied the molecular and functional interactions between high mobility group box-1 (HMGB1) and the N-methyl-d-aspartate receptor (NMDAR), two proteins playing a key role in neuronal hyperexcitability. By measuring NMDA-induced
lambda-conotoxins, a new family of conotoxins with unique disulfide pattern and protein folding. Isolation and characterization from the venom of Conus marmoreus.
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Přihlášení Registrace
Conotoxins are multiple disulfide-bonded peptides isolated from marine cone snail venom. These toxins have been classified into several families based on their disulfide pattern and biological properties. Here, we report a new family of Conus peptides, which have a novel cysteine motif. Three
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