digoxigenin/seizures

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NGFI-C expression is affected by physiological stimulation and seizures in the somatosensory cortex.

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NGFI-C is an early response gene which encodes a Cys2/His2 zinc finger protein. NGFI-C has previously been demonstrated to be inducible in PC12 cells after NGF stimulation. This study sought to localize this gene in somatosensory cortex, and investigate its possible induction by physiological and

Increase in mRNAs encoding neonatal II and III sodium channel alpha-isoforms during kainate-induced seizures in adult rat hippocampus.

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Subtypes I, II and III of sodium channel alpha-subunit mRNAs were analyzed in adult rat brain areas after kainate-induced seizures. Tissue samples were microdissected from occipital neocortex, CA1 and CA3 hippocampus areas and dentate gyrus. Three reverse transcriptase-polymerase chain reaction

Seizures, not hippocampal neuronal death, provoke neurogenesis in a mouse rapid electrical amygdala kindling model of seizures.

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OBJECTIVE Proliferation of neural precursors adjacent to the granule cell layer of the dentate gyrus has been identified in previous epilepsy models. Convincingly demonstrating that seizure activity is the stimulant for neurogenesis, rather than neuronal death or other insults inherent to seizure

Fast and widespread increase of basic fibroblast growth factor messenger RNA and protein in the forebrain after kainate-induced seizures.

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Basic fibroblast growth factor promotes the survival and outgrowth of neurons and protects neurons from glutamate mediated excitotoxicity. The present study investigates the effects of kainate-induced epileptic seizures on the cellular expression of basic fibroblast growth factor messenger RNA and

Changes in the mRNAs encoding subtypes I, II and III sodium channel alpha subunits following kainate-induced seizures in rat brain.

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Several lines of evidence underscore a possible role of voltage-gated Na+ channels (NaCH) in epilepsy. We compared the regional distribution of mRNAs coding for Na+ channel alpha subunit I, II and III in brains from control and kainate-treated rats using non-radioactive in situ hybridization with

Expression of c-jun, junB, c-fos, fra-1 and fra-2 mRNA in the rat brain following seizure activity and axotomy.

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The present study has investigated the congruence of mRNA induction and protein expression of inducible transcription factors (ITFs). The patterns of c-jun, junB, c-fos, fra-1 and fra-2 mRNAs were studied by radioactive and non-radioactive in situ hybridization in the adult rat brain following

mRNA coding for voltage-gated sodium channel beta2 subunit in rat central nervous system: cellular distribution and changes following kainate-induced seizures.

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The cellular distribution of sodium channel beta2 subunit mRNA was examined in the central nervous system from adult Wistar rats using a non-radioactive in situ hybridization method with digoxigenin-labeled cRNA probes. The expression of the subunit was strong in cerebral and cerebellar cortex, in

Apoptosis of hippocampal neurons after amygdala kindled seizures.

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Seizure-induced neuronal damage may involve both excitotoxic and apoptotic (programmed cell death) mechanisms. In the present study, we used an amygdala kindled seizure model to study whether apoptotic cell death occurs. To evaluate apoptosis, we counted the numbers of cells that had DNA fragments

Loss of glutamate decarboxylase mRNA-containing neurons in the rat dentate gyrus following pilocarpine-induced seizures.

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In situ hybridization methods were used to determine if glutamic acid decarboxylase (GAD) mRNA-containing neurons within the hilus of the dentate gyrus are vulnerable to seizure-induced damage in a model of chronic seizures. Sprague-Dawley rats were injected intraperitoneally with pilocarpine, and

Hippocampal loss of N-methyl-D-aspartate receptor subunit 1 mRNA in chronic temporal lobe epilepsy.

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The hippocampal distribution of mRNA for the N-methyl-D-aspartate (NMDA) receptor subunit 1 (NR1) was examined by non-radioactive in situ hybridization in 21 archival formalin-fixed and paraffin-embedded surgical specimens from patients with pharmacoresistant chronic epilepsy and in normal control

Kainic acid increases the expression of the prohormone convertases furin and PC1 in the mouse hippocampus.

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Prohormone convertases (PCs) belong to the mammalian family of subtilisin/kexin-like enzymes which have been implicated in the posttranslational processing of precursor proteins. Several PCs are produced in the central and peripheral nervous system, and only a few specific precursor-substrates have

Amygdala kindling develops without mossy fiber sprouting and hippocampal neuronal degeneration in rats.

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Repeated electrical stimulation of limbic structures has been reported to produce the kindling effect together with morphological changes in the hippocampus such as mossy fiber sprouting and/or neuronal loss. However, to argue against a causal role of these neuropathological changes in the

Is the cell death in mesial temporal sclerosis apoptotic?

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OBJECTIVE Mesial temporal sclerosis (MTS) is characterized by neuronal loss in the hippocampus. Studies on experimental models and patients with intractable epilepsy suggest that apoptosis may be involved in neuronal death induced by recurrent seizures. METHODS We searched evidence for apoptotic

Expression of glial glutamate transporters GLT-1 and GLAST is unchanged in the hippocampus in fully kindled rats.

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In situ hybridization techniques and quantitative western blotting were used to study the expression of the glial glutamate transporter GLT-1 and GLAST in the brains of normal (implanted, non-kindled) and fully kindled rats. Wistar rats were implanted with stimulating electrodes in the basolateral

Chronic intermittent ethanol treatment in rats increases GABA(A) receptor alpha4-subunit expression: possible relevance to alcohol dependence.

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Chronic administration of ethanol to rats on an intermittent regimen, for 60 repeated intoxicating doses and repeated withdrawal episodes, results in a long-lasting kindling phenomenon. This involves an increasing severity of withdrawal, including a reduced threshold to seizures produced by the

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