Evidence map›Paper›PMID 32239694›Full record

ArticleEpilepsia2020

A knock-in mouse model for KCNQ2-related epileptic encephalopathy displays spontaneous generalized seizures and cognitive impairment.

Mathieu Milh, Pierre Roubertoux, Najoua Biba, Julie Chavany, Adeline Spiga Ghata, Camille Fulachier, Stephan Christopher Collins, Christel Wagner, Jean-Christophe Roux, Binnaz Yalcin and 4 more

Open access · hybridAbstract read
In one paragraph

Article in Epilepsia, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

23 citing papers in PubMed, 41 citations in OpenAlex.

  1. Article
  2. Mislocalization of KCNQ2 Channels as a Pathogenic Mechanism in KCNQ2 Developmental and Epileptic Encephalopathy.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Plural molecular and cellular mechanisms of pore domainbioRxiv : the preprint server for biology · 2024
    Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Review
  14. Review
  15. Review
  16. Heterozygous Deletion of Epilepsy GeneFrontiers in behavioral neuroscience · 2022
    Article
  17. Spontaneous seizure and memory loss in mice expressing an epileptic encephalopathy variant in the calmodulin-binding domain of KProceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  18. Review
  19. Article
  20. Epileptic channelopathies caused by neuronal Kv7 (KCNQ) channel dysfunction.Pflugers Archiv : European journal of physiology · 2020
    Review
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

14 authors at 1 institution in 1 country.

Mathieu MilhAix Marseille Univ, Inserm, MMG, Marseille, France.ORCID 0000-0002-2454-8543
Pierre RoubertouxAix Marseille Univ, Inserm, MMG, Marseille, France.ORCID 0000-0001-9013-2725
Najoua BibaAix-Marseille University, Inmed, Inserm, U1249, Marseille, France.
Julie ChavanyAix Marseille Univ, Inserm, MMG, Marseille, France.
Adeline Spiga GhataAix Marseille Univ, Inserm, MMG, Marseille, France.
Camille FulachierAix Marseille Univ, Inserm, MMG, Marseille, France.
Stephan Christopher CollinsIGBMC, UMR7104, Inserm, U964, Illkirch, France.
Christel WagnerIGBMC, UMR7104, Inserm, U964, Illkirch, France.
Jean-Christophe RouxAix Marseille Univ, Inserm, MMG, Marseille, France.ORCID 0000-0002-9721-8844
Binnaz YalcinIGBMC, UMR7104, Inserm, U964, Illkirch, France.
Marie-Solenne FélixAix Marseille Univ, Inserm, MMG, Marseille, France.
Florence MolinariAix Marseille Univ, Inserm, MMG, Marseille, France.ORCID 0000-0001-5111-7215
Pierre-Pascal Lenck-SantiniAix-Marseille University, Inmed, Inserm, U1249, Marseille, France.ORCID 0000-0001-9925-9220
Laurent VillardAix Marseille Univ, Inserm, MMG, Marseille, France.ORCID 0000-0001-6657-5008
Inserm · FR

Funding

Aix Marseille UniversitéANR ANR-14-CE13-0011ANR ANR-19-CE17-0018Fondation JED BelgiqueInserm
6 · The paper itself

Abstract

objectiveEarly onset epileptic encephalopathy with suppression-burst is one of the most severe epilepsy phenotypes in human patients. A significant proportion of cases have a genetic origin, and the most frequently mutated gene is KCNQ2, encoding Kv7.2, a voltage-dependent potassium channel subunit, leading to so-called KCNQ2-related epileptic encephalopathy (KCNQ2-REE). To study the pathophysiology of KCNQ2-REE in detail and to provide a relevant preclinical model, we generated and described a knock-in mouse model carrying the recurrent p.(Thr274Met) variant.

methodsWe introduced the p.(Thr274Met) variant by homologous recombination in embryonic stem cells, injected into C57Bl/6N blastocysts and implanted in pseudopregnant mice. Mice were then bred with 129Sv Cre-deleter to generate heterozygous mice carrying the p.(Thr274Met), and animals were maintained on the 129Sv genetic background. We studied the development of this new model and performed in vivo electroencephalographic (EEG) recordings, neuroanatomical studies at different time points, and multiple behavioral tests.

resultsThe Kcnq2 SIGNIFICANCE: Taken together, our results indicate that we have generated a relevant model to study the pathophysiology of KCNQ2-related epileptic encephalopathy and perform preclinical research for that devastating and currently intractable disease.

Indexed as

AnimalsBrainCognitive DysfunctionDisease Models, AnimalElectroencephalographyEpilepsy, GeneralizedFemaleGene Knock-In TechniquesKCNQ2 Potassium ChannelMaleMaze LearningMiceMice, Inbred C57BLMice, TransgenicSeizuresKCNQ2 Potassium Channelepileptic encephalopathyKCNQ2mouse model

Identifiers

PMID32239694
PMCPMC7317210
OpenAlexW3014605107

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.