Evidence map›Paper›PMID 34225231›Full record

ArticleEpilepsy research2021

Absence epilepsy in male and female WAG/Rij rats: A longitudinal EEG analysis of seizure expression.

Willian Lazarini-Lopes, Carolina Campos-Rodriguez, Devin Palmer, Prosper N'Gouemo, Norberto Garcia-Cairasco, Patrick A Forcelli

Abstract read
In one paragraph

Article in Epilepsy research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
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

10 citing papers in PubMed.

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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

6 authors.

Willian Lazarini-LopesDepartment of Pharmacology & Physiology, Georgetown University, Washington, DC, United States; Department of Neuroscience and Behavioral Sciences, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, Brazil.
Carolina Campos-RodriguezDepartment of Pharmacology & Physiology, Georgetown University, Washington, DC, United States.
Devin PalmerDepartment of Pharmacology & Physiology, Georgetown University, Washington, DC, United States; Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States.
Prosper N'GouemoDepartment of Physiology and Biophysics, Howard University School of Medicine, Washington, DC, United states.
Norberto Garcia-CairascoDepartment of Neuroscience and Behavioral Sciences, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of Physiology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, Brazil.
Patrick A ForcelliDepartment of Pharmacology & Physiology, Georgetown University, Washington, DC, United States; Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States; Department of Neuroscience, Georgetown University, Washington, DC, United States. Electronic address: paf22@georgetown.edu.

Funding

Optogenetic control of seizures via the basal gangliaR01NS097762 · NINDS · GEORGETOWN UNIVERSITY · PI Patrick Alexander Forcelli · 2016 to 2026
$4.1M
NINDS NIH HHS R01 NS097762
6 · The paper itself

Abstract

The WAG/Rij strain of rats is commonly used as a preclinical model of genetic absence epilepsy. While widely utilized, the developmental trajectory of absence seizure expression has been only partially described. Moreover, sex differences in this strain have been under-explored. Here, we longitudinally monitored male and female WAG/Rij rats to quantify cortical spike-and-wave discharges (SWDs) monthly, from 4 to 10 months of age. In both male and female WAG/Rij rats, absence seizure susceptibility increased with age. In contrast to previous reports, we found a robust and consistent increase in absence epilepsy susceptibility in male WAG/Rij rats in comparison to females across months. The increased absence seizure susceptibility was characterized by increased number and duration of SWDs, and consequently increased total SWDs duration. These findings highlight a previously un-recognized sex difference in a model of absence epilepsy and narrow the knowledge gap of age-dependent expression of SWDs in the WAG/Rij strain.

Indexed as

Epilepsy, AbsenceAnimalsDisease Models, AnimalElectroencephalographyFemaleMaleRatsRats, WistarSeizuresAbsence epilepsyAnimal modelEEG recordingsPreclinical epilepsySex comparisonWAG/Rij strain

Identifiers

PMID34225231
PMCPMC8453043

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Registered trials

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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.