Abstract：
:The genetically epilepsy-prone rat (GEPR) has become an important model to study genetic predisposition to epilepsy involving not only the brainstem but also forebrain structures. Previous work in CA1 hippocampal cells showed a reduction in spike frequency adaptation and only subtle changes in slow afterhyperpolarization (AHP). As important differences exist in calcium dependent potentials in the CA1 and CA3 hippocampal cells, we compared the membrane properties of hippocampal CA3 cells in GEPRs and Sprague-Dawley (SD) rats. There was no significant difference in the resting membrane potential, input resistance, charging time constant or rheobase between GEPRs and SD rat neurons. The action potential amplitude and the width at half maximal amplitude did not differ. A marked reduction in spike frequency adaptation accompanied by a very significant reduction in AHP was seen in the GEPR rats. Since calcium dependent potassium conductance produces both spike frequency adaptation and AHP, our results suggest that this conductance is reduced in the GEPR CA3 neurons.
journal_name
Epilepsy Resjournal_title
Epilepsy researchauthors
Verma-Ahuja S,Evans MS,Pencek TLdoi
10.1016/0920-1211(95)00040-2subject
Has Abstractpub_date
1995-10-01 00:00:00pages
137-44issue
2eissn
0920-1211issn
1872-6844pii
0920121195000402journal_volume
22pub_type
杂志文章abstract：INTRODUCTION:Grammar is a core component of the language system, yet it is rarely assessed during the Wada (intracarotid amobarbital) test. It is hypothesized that adding grammar tests to the recovery phase of the Wada test will increase our ability to lateralize language function. METHOD:Sixteen individuals (nine fem...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2014.09.014
更新日期：2014-12-01 00:00:00
abstract：:A strain of Wistar rats, genetic absence epilepsy rats from Strasbourg (GAERS), was selected and inbred over 40 generations for occurrence of spontaneous spike-wave discharges characteristic of absence seizures, simultaneously with a strain of non-epileptic rats (NER). GAERS demonstrate an excessive sensitivity to ant...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/s0920-1211(01)00292-3
更新日期：2001-11-01 00:00:00
abstract：PURPOSE:The present study aims to determine the initialization and propagation of typical absence seizures using magnetoencephalography (MEG). METHOD:Fourteen drug-naïve children with childhood absence epilepsy (CAE) were studied using a 275-Channel MEG system. The spectral signatures of epileptic activity were assess...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2014.01.006
更新日期：2014-03-01 00:00:00
abstract：:With the availability of more stable radiopharmaceuticals, the ictal single photon emission computed tomography (SPECT) perfusion study has emerged as a useful noninvasive functional neuroimaging tool in the presurgical evaluation of patients with medically intractable partial epilepsy. The purpose of this study was t...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/s0920-1211(98)00097-7
更新日期：1999-02-01 00:00:00
abstract：:Mutations of genes coding for ion channels cause several genetically determined human epileptic syndromes. The identification of a gene variant linked to a particular disease gives important information, but it is usually necessary to perform functional studies in order to completely disclose the pathogenic mechanisms...
journal_title：Epilepsy research
pub_type： 杂志文章,评审
doi：10.1016/j.eplepsyres.2010.08.003
更新日期：2010-11-01 00:00:00
abstract：:Evidence-based treatment guidelines and practice parameters have been developed in most areas of medicine. They are important because insurance companies, formulary managers, and health maintenance organizations rely on guidelines for formulary and coverage decisions. The methodology for practice parameter development...
journal_title：Epilepsy research
pub_type： 杂志文章,评审
doi：10.1016/j.eplepsyres.2005.09.021
更新日期：2006-01-01 00:00:00
abstract：INTRODUCTION:Rolandic epilepsy (RE) is an idiopathic focal childhood epilepsy with a well-established neuropsychological profile of language impairment. The aim of this study is to provide a functional correlate that links rolandic (sensorimotor) pathology to language problems using functional MRI. MATERIALS AND METHO...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2013.10.008
更新日期：2013-12-01 00:00:00
abstract：OBJECTIVE:To study the different epilepsy syndromes that included epileptic spasms (ES) in clusters without hypsarrhythmia (WoH). METHODS:Between 2/1990 and 7/2013, we registered 48 patients with the electroclinical diagnostic criteria of ES in clusters WoH. RESULTS:We recognized two subgroups. In the first subgroup ...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2016.03.006
更新日期：2016-07-01 00:00:00
abstract：OBJECT:The use of T2 relaxometry was investigated to detect non-sclerotic epileptogenic abnormality of the hippocampus in presurgical evaluation of temporal lobe epilepsy (TLE). METHODS:This prospective study included 30 patients who underwent hippocampectomy as part of surgical treatment of refractory TLE. Ten patien...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2016.06.001
更新日期：2016-10-01 00:00:00
abstract：:We analyzed preoperative ictal SPECT results from 18 frontal lobe epilepsy patients who underwent epilepsy surgery (mean age 22.9 years). Seizure onset at implanted subdural electrodes was defined as the epileptic focus in 16 of 18 patients. In two additional patients, the resected area on postoperative magnetic reson...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2005.09.032
更新日期：2006-02-01 00:00:00
abstract：:Depression is a frequent psychiatric symptom in epilepsy and has been related to epilepsy of temporal origin, especially of left-sided foci. No study differentiated the precise localization of the epileptogenic lesion within the temporal lobe. Regarding this issue, we evaluated depression assessed by the Beck Depressi...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/s0920-1211(99)00117-5
更新日期：2000-04-01 00:00:00
abstract：:The GABAergic system has long been implicated in epilepsy with defects in GABA neurotransmission being linked to epilepsy in both experimental animal models and human syndromes (Olsen and Avoli, 1997). However, to date no human epileptic syndrome has been directly attributed to an altered GABAergic system. The observe...
journal_title：Epilepsy research
pub_type： 杂志文章,评审
doi：10.1016/s0920-1211(99)00046-7
更新日期：1999-09-01 00:00:00
abstract：:Secondarily generalized convulsive status epilepticus was induced by intraperitoneal (i.p.) injection of D,L-homocysteine thiolactone to rats with actively epileptogenic cobalt lesions in motor cortex. This induced focal motor seizures which secondarily generalized. Control animals not treated with antiepileptic drugs...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/0920-1211(88)90023-x
更新日期：1988-03-01 00:00:00
abstract：:Kindling, in the classical sense, involves progressively increasing responsivity to the intermittent repetition of the same 1-s subthreshold electrical stimulation over time, with the amygdala being the area most frequently studied. Such repeated subthreshold stimulation is associated with: lowering of the after-disch...
journal_title：Epilepsy research
pub_type： 杂志文章,评审
doi：10.1016/s0920-1211(02)00081-5
更新日期：2002-06-01 00:00:00
abstract：PURPOSE:Intracranial EEG in patients with lesional lateral temporal lobe epilepsy is rarely reported. Therefore, the number of patients with seizures arising independently from ipsilateral mesial structures or contralateral hemisphere has not been clarified. We analyzed the intracranial EEG of cases with localized lesi...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2007.10.009
更新日期：2008-01-01 00:00:00
abstract：:Application of 4-aminopyridine (4-AP, 100μM) in a solution containing 0.6mM Mg(2+) and 1.2mM Ca(2+) to hippocampal-entorhinal-perirhinal slices of adult rat brain induced ictal-like epileptiform activity in entorhinal and perirhinal cortices as revealed by electrophysiological field potential recordings. The ictal-lik...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2011.01.017
更新日期：2011-05-01 00:00:00
abstract：:A battery of psychometric tests was administered to 110 patients with epilepsy and to 24 non-epileptic controls. Eighty-four patients had been established on treatment with a single anticonvulsant drug (35 carbamazepine (CBZ), 30 sodium valproate (VPA), 19 phenytoin (PHT)) at unaltered dosage for the previous 3 months...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/0920-1211(90)90018-q
更新日期：1990-12-01 00:00:00
abstract：:Mutations in voltage-gated sodium channel genes cause several types of human epilepsies. Often, individuals with the same sodium channel mutation exhibit diverse phenotypes. This suggests that factors beyond the primary mutation influence disease severity, including genetic modifiers. Mouse epilepsy models with voltag...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2015.11.016
更新日期：2016-01-01 00:00:00
abstract：:The novel anticonvulsant, remacemide HCl [(+/-)-2-amino-N-(1-methyl-1,2-diphenylethyl)acetamide monohydrochloride; FPL12924AA], and a desglycinated metabolite [(+/-)-1-methyl-1,2-diphenylethylamine monohydrochloride; FPL 12495AA] reversibly limited sustained high-frequency repetitive firing (SRF) of sodium-dependent a...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/0920-1211(95)00053-4
更新日期：1996-02-01 00:00:00
abstract：:Dogs were treated with clorazepate, which is known to be completely metabolized to desmethyldiazepam. 2 mg/kg t.i.d. were given orally for 5-6 weeks, a dose regimen providing plasma concentrations of desmethyldiazepam in the range known to be therapeutic in man. The rate of development of tolerance to the anticonvulsa...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/0920-1211(89)90042-9
更新日期：1989-03-01 00:00:00
abstract：BACKGROUND:Anticonvulsant hypersensitivity syndrome (AHS) is one of the most severe forms of drug eruption with potentially lethal, and multiorgan involvement. Recently, it has been suggested that Human Herpesvirus (HHV) infection has been involved in this syndrome, although the pathogenesis of this syndrome remains st...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2006.02.006
更新日期：2006-07-01 00:00:00
abstract：:Epilepsy - the world's most common serious brain disorder - is defined by recurrent unprovoked seizures that result from complex interactions between distributed neural populations. We explore some macroscopic characteristics of emergent ictal networks by considering intracranial recordings from human subjects with in...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2008.02.002
更新日期：2008-05-01 00:00:00
abstract：BACKGROUND:Large administrative databases may prove useful to assess epilepsy-related comorbidity and mortality. Despite their increased use, their validity as data source in epilepsy is yet under-ascertained. METHODS:Achmea is a large Dutch health insurance company covering about 25% of the population. We performed a...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2017.11.019
更新日期：2018-01-01 00:00:00
abstract：AIM:Vitamin D (Vit D) has been considered as a neurosteroid and has a pivotal role in neuroprotection including epilepsy. Vit D regulator acts via a Vit D receptor (VDR). WAG/Rij rats have a genetically epileptic model of absence epilepsy with comorbidity of depression. The aim of the present study was to investigate t...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2019.106208
更新日期：2019-11-01 00:00:00
abstract：OBJECTIVE:There have been no validated Medicare claims-based algorithms available to identify epilepsy by discrete etiology of stroke (e.g., post-stroke epilepsy, PSE) in community-dwelling elderly individuals, despite the increasing availability of large datasets. Our objective was to validate algorithms that detect w...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2019.02.002
更新日期：2019-03-01 00:00:00
abstract：:Assessing the functional reserve of key memory structures in the medial temporal lobes (MTL) of pre-surgical patients with intractable temporal lobe epilepsy (TLE) remains a challenge. Conventional functional MRI (fMRI) memory paradigms have yet to fully convince of their ability to confidently assess the risk of a po...
journal_title：Epilepsy research
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.eplepsyres.2013.01.004
更新日期：2013-07-01 00:00:00
abstract：PURPOSE:Valproate (VPA) administration may be associated with adverse metabolic effects, among is hyperammonemia, which could suggest metabolic abnormalities as carnitine deficiency. This study aimed to evaluate the risk frequency of hyperammonemia and abnormal carnitine levels in children receiving VPA who were otherw...
journal_title：Epilepsy research
pub_type： 临床试验,杂志文章
doi：10.1016/j.eplepsyres.2009.04.002
更新日期：2009-09-01 00:00:00
abstract：:To study the risk of developing unprovoked seizures among patients with multiple sclerosis (MS) and systemic lupus erythematosus (SLE), we used 1885 new onset seizure cases, 15,080 controls and defined exposure as a hospital discharge diagnosis of MS or SLE. The odds ratio with 95% confidence interval was 3.7 (CI 1.2-...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2012.04.005
更新日期：2012-09-01 00:00:00
abstract：OBJECTIVE:To characterize, in adolescents aged 12-17, the pharmacokinetic (PK) profile of perampanel, the impact of intrinsic and extrinsic factors on PK, and the relationships between perampanel exposure and cognitive function, seizure frequency, and responder status. METHODS:Population PK analysis used plasma concen...
journal_title：Epilepsy research
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.eplepsyres.2016.08.025
更新日期：2016-11-01 00:00:00
abstract：:Generic substitution of antiepileptic drugs (AEDs) is still a matter of controversy and concern among clinicians and patients. We aimed to assess intrasubject variation in plasma concentrations of lamotrigine (LTG), levetiracetam (LEV) and topiramate (TPM) after generic substitution compared with a stable brand-name d...
journal_title：Epilepsy research
pub_type： 杂志文章
doi：10.1016/j.eplepsyres.2016.02.012
更新日期：2016-05-01 00:00:00
