Abstract:
:Polyamine (tissue) concentrations have been studied in hippocampus and temporal neocortex from patients with temporal lobe epilepsy. Depth electrode recordings demonstrated hippocampal origin of the seizures, the temporal neocortex being involved during the discharge propagation. Neuropathological examination of excised tissues showed glial proliferation or glioma in Ammon's horn (CA), whereas the temporal neocortex did not exhibit any histological abnormality. Polyamine (putrescine or PUT, spermidine or SPD, spermine or SPM) concentrations were determined on surgical samples from the hippocampus and various areas of temporal neocortex. Human post-mortem tissue from temporal lobe regions was used for controls. In post-mortem controls and temporal neocortex specimens from epileptic patients, polyamine levels were similar (in nmol/g wet weight: PUT = 40-100; SPD = 200-350; SPM = 100-200). In CA, polyamine levels exhibited striking changes: SPD content was significantly increased (350-700 nmol/g) while SPM was lowered (50-100). PUT was only increased in CA invaded by the tumoral process (100-180). Accordingly, a very high SPD/SPM molar ratio in the abnormal CA region was observed, indicating an acceleration of polyamine neosynthesis which is usually related to ornithine decarboxylase induction. Metabolic changes in polyamines appear to be selective of human epileptic hippocampus. A relationship between glial proliferation (gliosis or neoplasia), epileptic firing and polyamines is discussed.
journal_name
Epilepsy Resjournal_title
Epilepsy researchauthors
Laschet J,Trottier S,Grisar T,Leviel Vdoi
10.1016/0920-1211(92)90035-rsubject
Has Abstractpub_date
1992-07-01 00:00:00pages
151-6issue
2eissn
0920-1211issn
1872-6844pii
0920-1211(92)90035-Rjournal_volume
12pub_type
杂志文章abstract::The effects of systemic pretreatment with morphine sulfate (MS) on electroencephalographic (EEG) manifestations of seizures due to bicuculline (BIC) were studied in freely moving rats. Electrodes were placed on frontal and occipital cortices, into the hippocampus and into a region of the prepiriform cortex, area tempe...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(89)90012-0
更新日期:1989-09-01 00:00:00
abstract:BACKGROUND:People with epilepsy may experience an altered pattern of mortality due to cancer. We determined cancer mortality in two distinct populations with epilepsy: (i) an institutionalised cohort with severe epilepsy (SEC) and (ii) another cohort with presumed milder epilepsy (MEC). METHODS:Mortality data from 197...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.11.001
更新日期:2009-02-01 00:00:00
abstract:OBJECTIVE:To assess the long-term safety and efficacy of eslicarbazepine acetate (ESL) monotherapy in adults with focal seizures (FS). METHODS:Study 050 was a long-term, multicenter, open-label (OL) safety extension of two conversion-to-ESL monotherapy studies in adults with refractory FS. After participating in Study...
journal_title:Epilepsy research
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1016/j.eplepsyres.2019.03.018
更新日期:2019-07-01 00:00:00
abstract:OBJECTIVE:Using the gamma-butyrolactone (GBL) model of absence seizures in Long-Evans rats, this study investigated if 2.5-6 Hz paroxysmal discharges (PDs) induced by GBL were synchronized among the thalamocortical system and the hippocampus, and whether inactivation of the hippocampus affected PDs. METHODS:Local fiel...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2015.12.007
更新日期:2016-02-01 00:00:00
abstract::We retrospectively analyzed published studies to investigate historical trends in outcome of childhood absence epilepsy (CAE). We included patients based on onset of absence seizures in childhood, 3 Hz bilateral spike-wave discharges on EEG, and availability of seizure-free outcome data. The primary endpoint was seizu...
journal_title:Epilepsy research
pub_type: 历史文章,杂志文章,meta分析
doi:10.1016/j.eplepsyres.2019.02.013
更新日期:2019-05-01 00:00:00
abstract:OBJECTIVE:This was the first proof of principle clinical trial assessing the efficacy and safety of rufinamide as adjunctive therapy in epileptic patients. The pharmacokinetic (PK) profile of rufinamide was also determined. METHODS:Fifty patients with diagnoses of partial or primary generalized tonic-clonic seizures w...
journal_title:Epilepsy research
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1016/s0920-1211(00)00185-6
更新日期:2001-02-01 00:00:00
abstract::The epileptic baboon provides a natural model of idiopathic generalized epilepsy and sudden unexpected death in epilepsy (SUDEP). We sought to evaluate autonomic differences, including heart rate (HR), heart rate variability (HRV) and corrected QT-duration (QTc) between two epileptic (EB1, EB2) and one control (CB) ba...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2019.106156
更新日期:2019-09-01 00:00:00
abstract::Seizures induced by the convulsant methionine sulfoximine (MSO) resemble human "grand mal" epilepsy, and brain glutamine synthetase is inhibited. We recently selected two inbred lines of mice: sensitive to MSO (MSO-Fast) and resistant (MSO-Slow). In the present study, the selection pressure was increased and consangui...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2011.08.012
更新日期:2012-01-01 00:00:00
abstract::Clinical practitioners have often observed in the course of their daily work that the pain thresholds of epileptic patients seem to differ from those of healthy subjects. These patients can suffer from quite severe traumatic lesions without apparently experiencing any pain. Since they are usually under treatment for e...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(92)90092-8
更新日期:1992-06-01 00:00:00
abstract:OBJECTIVE:To explore the association between patient-reported-outcomes measurements and costs in adult outpatients with drug refractory epilepsy (DRE) in Spain. METHODS:Secondary analysis of a cross-sectional study to determine resources utilization and related costs of refractory epilepsy in Spain (LINCE study). Cons...
journal_title:Epilepsy research
pub_type: 杂志文章,多中心研究
doi:10.1016/j.eplepsyres.2008.10.004
更新日期:2009-02-01 00:00:00
abstract:INTRODUCTION:Juvenile myoclonic epilepsy (JME) is a genetic generalized epilepsy syndrome. Under appropriate antiepileptic drugs (AED) up to 85% of patients become seizure-free, but many may have a relapse after AED withdrawal. METHODS:We retrospectively studied 242 patients with JME at the Department of Neurology, Me...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2014.09.008
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:Cryptogenic focal epilepsy (CFE) is a heterogeneous clinical disorder including patients with severe refractory forms and patients with a fairly good prognosis. Predictors of prognosis in CFE are poorly understood. The aim of this retrospective study is to identify long-term (5-year) prognostic predictors in pa...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2013.07.004
更新日期:2013-11-01 00:00:00
abstract::The inbred Wistar Albino Glaxo Rats from Rijswijk (WAG/Rij) and the Genetic Absence Epilepsy Rats from Strasbourg (GAERS) are well-validated genetic models of absence epilepsy. Although they share similar characteristics including the spike-and-wave discharges (SWDs) in the EEG, some differences have been reported bet...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2009.12.005
更新日期:2010-05-01 00:00:00
abstract:PURPOSE:We performed a retrospective study to investigate seizure, EEG, social and cognitive outcome in adult LGS subjects. METHODS:We retrospectively evaluated 27 LGS patients aged 40-59 years. We assessed in particular the evolution of different seizure types and EEG findings, as well as cognitive and social outcome...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2010.01.012
更新日期:2010-05-01 00:00:00
abstract::Posttraumatic epilepsy (PTE) has been modeled with different techniques of experimental traumatic brain injury (TBI) using mice and rats at various ages. We hypothesized that the technique of controlled cortical impact (CCI) could be used to establish a model of PTE in young adult rats. A total of 156 male Sprague-Daw...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2015.09.009
更新日期:2015-11-01 00:00:00
abstract::Developmental changes of transport of drugs into the brain play an important role in ontogenetic neuropharmacology. Two convulsant drugs with different mechanisms of action (glutamate and bicuculline methiodide) were chosen to demonstrate these changes in developing rats. High dose of glutamate (4 g/kg i.p.) induced b...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(00)00179-0
更新日期:2000-12-01 00:00:00
abstract::Freeze-lesion-induced focal cortical dysplasia in rats closely resembles human microgyria, a neuronal migration disorder associated with drug-resistant epilepsy. Alterations in expression of N-methyl-D-aspartate receptors (NMDARs) containing NR2B subunits have been suggested to play a role in the hyperexcitability see...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2006.07.013
更新日期:2006-12-01 00:00:00
abstract::Evidence shows neurosteroids play a key role in regulating epileptogenesis. Neurosteroids such as testosterone modulate seizure susceptibility through its transformation to metabolites which show proconvulsant and anticonvulsant effects, respectively. Reduction of testosterone by aromatase generates proconvulsant 17-β...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2018.04.004
更新日期:2018-07-01 00:00:00
abstract:OBJECTIVE:The NTRK2 gene encodes a member of the neurotrophic tyrosine kinase receptor family known as TrkB. It is a membrane-associated receptor with signaling and cellular differentiation properties that has been involved in neuropsychiatric disorders, including epilepsy. We report here the frequencies of NTRK2 allel...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2017.08.010
更新日期:2017-11-01 00:00:00
abstract::Benign childhood epilepsy with occipital paroxysms is classified among childhood benign partial epilepsies. The absence of neurological and neuropsychological deficits has long been considered as a prerequisite for a diagnosis of benign childhood partial epilepsy. Much evidence has been reported in literature in the l...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2005.03.004
更新日期:2005-05-01 00:00:00
abstract::Multiple subpial transection (MST) is an effective surgical therapy for patients with intractable seizures whose epileptogenic lesions lie in the cortex and are unresectable. Morrell developed this procedure and reported clinical results obtained using it. However, only the disappearance of epileptiform discharges aft...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(95)00003-s
更新日期:1995-05-01 00:00:00
abstract::Temporal lobe epilepsy (TLE) is the most common type of epilepsy with about one third of TLE patients being refractory to antiepileptic drugs. Knowledge about the mechanisms underlying seizure activity is fundamental to the discovery of new drug targets. Brain Na(+),K(+)-ATPase activity contributes to the maintenance ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2014.09.025
更新日期:2014-12-01 00:00:00
abstract::We describe the clinical and radiological features of a family with a homozygous mutation in TBC1D24. The phenotype comprised onset of focal seizures at 2 months with prominent eye-blinking, facial and limb jerking with an oral sensory aura. These were controllable with medication but persisted into adult life. Associ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2013.02.005
更新日期:2013-07-01 00:00:00
abstract::Previous work showed that bilateral lesions made between the inferior and superior colliculi reduced the severity of audiogenic seizures in genetically epilepsy-prone rats (GEPR-9s), and indicated that the connections between these two structures are vital for the propagation of seizure activity. To determine the invo...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(96)01011-x
更新日期:1997-03-01 00:00:00
abstract::Understanding the relationship between seizure frequency, seizure type and scores obtained from quality of life (QOL) measures is important if the incorporation of QOL measures into epilepsy clinical trials is to become standard practice. There is also a need to consider cross-cultural differences obtained from QOL me...
journal_title:Epilepsy research
pub_type: 杂志文章,多中心研究
doi:10.1016/s0920-1211(98)00010-2
更新日期:1998-05-01 00:00:00
abstract::Food intake triggers convulsions in fasted BALB/c mice and Wistar albino rats treated with antimuscarinic drugs, scopolamine or atropine. Inbred strain studies have yielded considerable information regarding genetic influences on seizure susceptibility and factors contribute to epileptogenesis in rodents. This study, ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2015.03.001
更新日期:2015-05-01 00:00:00
abstract::The limbic/mesial temporal lobe epilepsy syndrome has been defined as a focal epilepsy, with the implication that there is a well defined focus of onset, traditionally centered around the hippocampus. The pathology of the hippocampus in this syndrome has been well described and a number of physiological abnormalities ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(98)00051-5
更新日期:1998-09-01 00:00:00
abstract::Four patients with complex partial seizure disorder whose positron emission tomography (PET) scans show sustained hyperperfusion of the epileptiform focus 12-24 h after a seizure episode are presented. Three of these patients underwent same day Fluorine-18 (18F) deoxyglucose (FDG) PET scans, which showed hypometabolis...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(00)00135-2
更新日期:2000-12-01 00:00:00
abstract::This paper reports the first systematic review of uncommon causes of status epilepticus reported in the literature between 1990 and 2008. Uncommon causes are defined as those not listed in the main epidemiological studies of status epilepticus. 181 causes were identified. These were easily categorised into 5 specific ...
journal_title:Epilepsy research
pub_type: 杂志文章,评审
doi:10.1016/j.eplepsyres.2010.07.015
更新日期:2010-10-01 00:00:00
abstract::Most people with epilepsy live in tropical countries. Perinatal factors seem to play a significant role in the occurrence of epilepsy. Available data provide different and sometimes contradictory conclusions on the role and the burden of these factors. The aim of our study was to evaluate the effect of these perinatal...
journal_title:Epilepsy research
pub_type: 杂志文章,meta分析,评审
doi:10.1016/j.eplepsyres.2018.07.004
更新日期:2018-10-01 00:00:00