Abstract:
:Novel treatments for epilepsy are necessary because many epilepsy patients are resistant to medication. Metabotropic glutamate receptors (mGluRs), specifically mGluR 2 and 3, may serve as antiepileptic drug targets because of their role in controlling synaptic release. In this study, we administered a Group 2 mGluR agonist, LY379268, one of two mGluR2-specific positive allosteric modulators, BINA or CBiPES, or a cocktail of both BINA and LY379268 in a series of experiments using the pilocarpine model of SE. In one study, groups received treatments 15 min prior to pilocarpine, while in a second study groups received treatments after SE had been initiated to determine whether the drugs could reduce development and progression of SE. We measured bouts of stage 5 seizures, latency to the first seizure, and the maximum Racine score to characterize the seizure severity. We analyzed mouse EEG with implanted electrodes using a power analysis. We found that pretreatment and posttreatment with LY379268 was effective at reducing both behavioral correlates and power in EEG bandwidths associated with seizure, while CBiPES was less effective and BINA was ineffective. These data generally support continued development of mGluR2 pharmacology for novel antiepileptic drugs, though further study with additional drugs and concentrations will be necessary.
journal_name
Epilepsy Resjournal_title
Epilepsy researchauthors
Caulder EH,Riegle MA,Godwin DWdoi
10.1016/j.eplepsyres.2013.10.009subject
Has Abstractpub_date
2014-02-01 00:00:00pages
171-81issue
2eissn
0920-1211issn
1872-6844pii
S0920-1211(13)00274-Xjournal_volume
108pub_type
杂志文章abstract::A role of cholinergic nervous system in the behavioral impairments induced by repeated ECS is not understood. The α4β2 nicotinic acetylcholine receptor (nAChR) agonist ABT-418, but not the α7 nAChR agonist, significantly ameliorated the impairment of spontaneous alternation behavior in the Y-maze test. And, repeated E...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2012.09.017
更新日期:2013-03-01 00:00:00
abstract::Young adult and aged male Fisher 344 rats underwent kainate-induced convulsive status epilepticus (SE) for 4 h prior to sacrifice to determine potential aging-related differences in the effect of prolonged SE on the expression of hippocampal voltage-gated calcium channels (VGCCs). Immunohistochemistry was performed on...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2003.10.007
更新日期:2003-11-01 00:00:00
abstract::Single photon emission computed tomography (SPECT) is increasingly being used as an adjunctive technique in the localisation of epileptogenic foci prior to surgery. As yet, few studies have been undertaken to establish the clinical associations of areas of reduced cerebral perfusion. Sixty-three consecutive patients (...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(92)90010-q
更新日期:1992-10-01 00:00:00
abstract:PURPOSE:To determine the minimum enrollment duration for identifying incident cases of epilepsy in administrative data. METHODS:We performed a retrospective dynamic cohort study using Ohio Medicaid data from 1992 to 2006 to identify a total of 5037 incident epilepsy cases who had at least 1 year of follow-up prior to ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2013.05.005
更新日期:2013-09-01 00:00:00
abstract::This paper reports the results of a 12-month prospective follow-up study on the effects of carbamazepine (CBZ) medication on serum sex and pituitary hormone concentrations in 21 male patients with recently diagnosed epilepsy. The results of the present study indicate that a change occurs in the androgen balance during...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(91)90025-b
更新日期:1991-07-01 00:00:00
abstract:OBJECTIVES:This study aimed to test the hypothesis that high-dose prednisolone (4 mg/kg/day) may be more efficacious than usual-dose (2 mg/kg/day) prednisolone for spasm resolution at 14-days in children with infantile spasms. METHODS:This was a randomized, open-label-trial conducted at a tertiary-level-hospital from ...
journal_title:Epilepsy research
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.eplepsyres.2014.06.019
更新日期:2014-10-01 00:00:00
abstract::The motivational consequences of kindling were examined in the conditioned place preference paradigm. In a distinctive environment, rats received stimulation of the amygdala that triggered afterdischarge (AD) alone or AD and generalized seizures. After 4 conditioning trials, preference for the conditioning environment...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(92)90051-t
更新日期:1992-12-01 00:00:00
abstract:BACKGROUND:EEG monitoring is important for the early detection of seizures during the course of critical illness. However, the logistics of real time EEG interpretation is challenging for the neurophysiology and critical care medicine teams. This study evaluated factors affecting the utility of digital trend analysis (...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2010.10.018
更新日期:2011-01-01 00:00:00
abstract::The present study investigated whether pharmacological stimulation of the GABAergic system can affect attention. The effects of vigabatrin, a novel antiepileptic drug, on the performance of rats in a 5-choice serial reaction time task assessing selective attention were studied. The effects of acute (100, 300, 500 and ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(92)90057-z
更新日期:1992-12-01 00:00:00
abstract::Since magnetic resonance imaging (MRI) technique is constantly evolving with higher field strength scanners, the question arises whether images from different field strength scanners can be used interchangeably for scientific and clinical purposes. We address this issue in a study group of patients with temporal lobe ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.06.012
更新日期:2008-11-01 00:00:00
abstract::The monoamine content in cerebral structures has been related to neuronal excitability and several approaches have been used to study this phenomenon during seizure vulnerability. In the present work, we have described the effects of serotonin (5-HT) depletion after the administration of 5,7-dihydroxytryptamine (5,7-D...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.08.010
更新日期:2008-12-01 00:00:00
abstract:PURPOSE:To use proton Magnetic Resonance Spectroscopy (MRS) to measure in vivo temporal lobe GABA and glutamate plus glutamine (GLX) concentrations in patients with temporal lobe epilepsy (TLE) attributable to unilateral hippocampal sclerosis (HS) before and following anterior temporal lobe resection (ATLR). METHODS:W...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.11.006
更新日期:2009-02-01 00:00:00
abstract::Jasmine flowers and leaves are used extensively in folk medicine in different parts of the world to treat a variety of diseases. However, there are very few published reports on the neuropsychiatric effects of Jasmine extracts. Hence, the objectives of the present study were to examine the effects of an alcohol extrac...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2017.02.012
更新日期:2017-03-01 00:00:00
abstract::The ideal proof-of-principle study design provides a strong efficacy signal over the shortest duration, while exposing the fewest patients possible. Data from a large database (Pfizer Inc) which studied add-on pregabalin for the treatment of partial seizures was used to model how duration of baseline, post-randomizati...
journal_title:Epilepsy research
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.eplepsyres.2013.04.008
更新日期:2013-09-01 00:00:00
abstract::Fifty-eight patients with drug-resistant partial epilepsy were studied preoperatively by interictal rCBF measurements using 99mTc-HMPAO and a dedicated brain SPECT camera (Tomomatic 64). Follow-up of seizure outcome, using the "Engel score", was at least 3 years. The data were analyzed in a blinded set-up, first visua...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(96)00018-6
更新日期:1996-09-01 00:00:00
abstract::Bupropion, a unique, non-nicotine smoking cessation aid and an effective antidepressant, is well known to produce seizures following overdosing in humans. However, the experimental background for the usefulness of antiepileptic drugs in the protection against bupropion-induced convulsions has not been established yet....
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2005.01.006
更新日期:2005-03-01 00:00:00
abstract:SUMMARY:Autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE) is known to be partly caused by mutations in the transmembrane domain (TM) 1-3 of the genes of the neuronal nicotinic acetylcholine receptor (nAChR) alpha4-subunit (CHRNA4), beta2-subunit (CHRNB2) and alpha2-subunit (CHRNA2). The more common cases of s...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2008.10.009
更新日期:2009-02-01 00:00:00
abstract::The present study intends to identify factors that predict postoperative clinical outcome in patients with gangliogliomas (GG) and dysembryoplastic neuroepithelial tumors (DNT). We evaluated the medical records of 45 patients with GG and 13 patients with DNT, treated surgically between 1985 and 1995. We assessed sever...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(00)00208-4
更新日期:2001-03-01 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::Periodic lateralized epileptiform discharges (PLEDs) or lateralized periodic discharges (LPDs) are a well-known variant of pathological EEG activity. However, the mechanisms underpinning the appearance of this pattern are not completely understood. The heterogeneity of the features derived from LPDs patterns, and the ...
journal_title:Epilepsy research
pub_type: 杂志文章,评审
doi:10.1016/j.eplepsyres.2020.106429
更新日期:2020-10-01 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::Although treatment of epilepsy easily evolves into a situation of overtreatment, reversing the process can be difficult and time consuming. Benefits of reducing overtreatment may include a decrease in side effects, better seizure control, a simplification in the medication regimen, improved compliance, and reduced cos...
journal_title:Epilepsy research
pub_type: 杂志文章,评审
doi:10.1016/s0920-1211(02)00185-7
更新日期:2002-11-01 00:00:00
abstract:OBJECTIVE:Lamotrigine (LTG) is approved for monotherapy following withdrawal from enzyme-inducing antiepileptic drugs. LTG is also frequently used in combination with sodium valproate (VPA), and withdrawal to monotherapy in this setting is also frequently desirable. Given the known pharmacokinetic interaction between t...
journal_title:Epilepsy research
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/j.eplepsyres.2003.09.008
更新日期:2003-12-01 00:00:00
abstract::We studied the electrocorticogram (ECoG) before and immediately after transcortical selective amygdalo-hippocampectomy, prospectively in 13 consecutive patients and retrospectively in three others. ECoG was performed with surface and two depth electrodes inserted through T2 aimed at the amygdala and anterior hippocamp...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(93)90080-q
更新日期:1993-12-01 00:00:00
abstract::Levetiracetam is a novel antiepileptic drug with an unknown mechanism of action. To-date levetiracetam is not known to be associated with any clinically significant pharmacokinetic interaction. Similarly, levetiracetam has not been associated with any pharmacodynamic interactions. We present four patients with severe ...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(01)00309-6
更新日期:2002-02-01 00:00:00
abstract::We aim to investigate structural brain abnormalities in juvenile myoclonic epilepsy (JME) patients with photosensitivity (PS). Sixty JME patients, 19 (32%) of whom were photosensitive, were submitted to 1.5T magnetic resonance voxel-based morphometry (VBM). The control group (CTL) consisted of 30 sex-matched healthy v...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2009.05.016
更新日期:2009-10-01 00:00:00
abstract::We evaluated the efficacy of vagus nerve stimulation (VNS) in Genetic Absence Epilepsy Rats from Strasbourg (GAERS), a validated model for absence epilepsy. In the first experiment, we investigated whether VNS applied at seizure onset can interrupt spike and wave discharges (SWD). In the second experiment, we investig...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2004.04.005
更新日期:2004-04-01 00:00:00
abstract:OBJECTIVE:Ictal activity itself can cause pathological cerebrospinal fluid (CSF) findings. However, data regarding pathological CSF findings caused by SE itself to date remain scarce. We here evaluated the frequency and specificity of pathological CSF findings in non-infectious SE. METHODS:We performed a retrospective...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2017.12.008
更新日期:2018-02-01 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::Neuropeptide Y (NPY) and galanin are neuropeptides that are regulated by energy states and are also anticonvulsant. We tested the hypothesis that the anticonvulsant efficacy of the ketogenic diet (KD) is mediated by increased expression of NPY and galanin via alterations in food intake and energy metabolism. In situ h...
journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2004.08.002
更新日期:2004-11-01 00:00:00