Evidence map›Paper›PMID 25943585›Full record

ArticleExperimental neurology2015

Modeling early-onset post-ischemic seizures in aging mice.

Chiping Wu, Justin Wang, Jessie Peng, Nisarg Patel, Yayi Huang, Xiaoxing Gao, Salman Aljarallah, James H Eubanks, Robert McDonald, Liang Zhang

Open access · greenAbstract read
In one paragraph

Article in Experimental neurology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
1.5field-weighted citation impact, top 20% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 25 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Chiping WuToronto Western Research Institute, University Health Network, Canada.
Justin WangToronto Western Research Institute, University Health Network, Canada.
Jessie PengToronto Western Research Institute, University Health Network, Canada.
Nisarg PatelToronto Western Research Institute, University Health Network, Canada.
Yayi HuangToronto Western Research Institute, University Health Network, Canada.
Xiaoxing GaoToronto Western Research Institute, University Health Network, Canada.
Salman AljarallahToronto Western Research Institute, University Health Network, Canada; Neurology Unit, Department of Medicine, King Saud University, Riyadh, Saudi Arabia.
James H EubanksToronto Western Research Institute, University Health Network, Canada; Department of Surgery (Neurosurgery), University of Toronto, Canada.
Robert McDonaldDepartment of Neuroscience, University of Lethbridge, Canada.
Liang ZhangToronto Western Research Institute, University Health Network, Canada; Department of Medicine (Neurology), University of Toronto, Canada. Electronic address: liangz@uhnres.utoronto.ca.
University Health Network · CAUniversity of Lethbridge · CAUniversity of Toronto · CA

Funding

CIHR 107845-1CIHR 219171
6 · The paper itself

Abstract

Stroke is the leading cause of seizures and epilepsy in the aged population, with post-stroke seizures being a poor prognostic factor. The pathological processes underlying post-stroke seizures are not well understood and studies of these seizures in aging/aged animals remain scarce. Therefore, our primary objective was to model post-stroke seizures in aging mice (C57 black strain, 16-20 months-old), with a focus on early-onset, convulsive seizures that occur within 24-hours of brain ischemia. We utilized a middle cerebral artery occlusion model and examined seizure activity and brain injury using combined behavioral and electroencephalographic monitoring and histological assessments. Aging mice exhibited vigorous convulsive seizures within hours of the middle cerebral artery occlusion. These seizures manifested with jumping, rapid running, barrel-rolling and/or falling all in the absence of hippocampal-cortical electrographic discharges. Seizure development was closely associated with severe brain injury and acute mortality. Anticonvulsive treatments after seizure occurrence offered temporary seizure control but failed to improve animal survival. A separate cohort of adult mice (6-8 months-old) exhibited analogous early-onset convulsive seizures following the middle cerebral artery occlusion but had better survival outcomes following anticonvulsive treatment. Collectively, our data suggest that early-onset convulsive seizures are a result of severe brain ischemia in aging animals.

Indexed as

AgingDisease Models, AnimalAnalysis of VarianceAnimalsAnticonvulsantsBrainChi-Square DistributionElectrocoagulationElectroencephalographyFunctional LateralityInfarction, Middle Cerebral ArteryLorazepamMaleMiceMice, Inbred C57BLPhenytoinAnticonvulsantsfosphenytoinLorazepamPhenytoinAgingAnimal modelAnticonvulsantConvulsionEEGEpilepsyIschemiaMiceSeizuresStroke

Identifiers

PMID25943585
PMCPMC4758832
OpenAlexW2066239077

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.