Evidence map›Paper›PMID 26220996›Full record

ArticleGenes & development2015

CaV3.2 calcium channels control NMDA receptor-mediated transmission: a new mechanism for absence epilepsy.

Guangfu Wang, Genrieta Bochorishvili, Yucai Chen, Kathryn A Salvati, Peng Zhang, Steve J Dubel, Edward Perez-Reyes, Terrance P Snutch, Ruth L Stornetta, Karl Deisseroth and 6 more

Open access · diamondAbstract read
In one paragraph

Article in Genes & development, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 1 pooled it
–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

32 citing papers in PubMed, 1 synthesis or guideline pooled it, 52 citations in OpenAlex.

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  13. The Property-Based Practical Applications and Solutions of Genetically Encoded Acetylcholine and Monoamine Sensors.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
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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

16 authors at 5 institutions in 4 countries.

Guangfu WangDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Genrieta BochorishviliDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Yucai ChenDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Kathryn A SalvatiDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Peng ZhangDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Steve J DubelLaboratoire de Génomique Fonctionnelle, Département de Physiologie, Unité Propre de Recherche 2580, Centre National de la Recherche Scientifique, 34396 Montpellier, France;
Edward Perez-ReyesDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Terrance P SnutchMichael Smith Laboratories, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada; Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada;
Ruth L StornettaDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
Karl DeisserothDepartment of Bioengineering, Stanford University, Stanford, California 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, California 94305, USA;
Alev ErisirDepartment of Psychology, University of Virginia, Charlottesville, Virginia 22908, USA;
Slobodan M TodorovicDepartment of Anesthesiology, University of Virginia, Charlottesville, Virginia 22908, USA; Department of Neuroscience, University of Virginia, Charlottesville, Virginia 22908, USA;
Jian-Hong LuoDepartment of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China;
Jaideep KapurDepartment of Neurology, University of Virginia, Charlottesville, Virginia 22908, USA.
Mark P BeenhakkerDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA;
J Julius ZhuDepartment of Pharmacology, University of Virginia, Charlottesville, Virginia 22908, USA; Department of Neuroscience, University of Virginia, Charlottesville, Virginia 22908, USA;
University of Virginia · USCanada's Michael Smith Genome Sciences Centre · CAHoward Hughes Medical Institute · USInstitut de Génomique Fonctionnelle · FRZhejiang University · CN

Funding

TRAINING IN THE PHARMACOLOGICAL SCIENCEST32GM007055 · NIGMS · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI LYNCH, KEVIN R. · 1985 to 2022
$7.2M
TREATMENT OF STATUS EPILEPTICUSR01NS040337 · NINDS · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI KAPUR, JAIDEEP · 2000 to 2021
$5.0M
MOLECULAR ANALYSIS OF NEURONAL T TYPE CALCIUM CHANNELSR01NS038691 · NINDS · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI PEREZ-REYES, EDWARD · 1999 to 2007
$2.7M
Synapse-specific Regulation of Transmission and Integration in the Barrel CortexR01NS053570 · NINDS · UNIVERSITY OF VIRGINIA · PI ZHU, J. JULIUS · 2006 to 2013
$2.2M
In vivo imaging of thalamocortical excitability during anesthesiaR01GM102525 · NIGMS · UNIVERSITY OF VIRGINIA · PI TODOROVIC, SLOBODAN M. · 2014 to 2020
$2.0M
Calcium channel and glutamate receptor signaling at synapsesR01NS091452 · NINDS · UNIVERSITY OF VIRGINIA · PI ZHU, J. JULIUS · 2015 to 2019
$1.7M
Synaptic Depression: Focus on Cdk5 SignalingR01NS092548 · NINDS · UNIVERSITY OF VIRGINIA · PI ZHU, J. JULIUS · 2015 to 2019
$1.7M
Mechanisms by which T-type calcium channels increase seizure susceptibilityR01NS067456 · NINDS · UNIVERSITY OF VIRGINIA · PI PEREZ-REYES, EDWARD · 2009 to 2010
$770k
Synaptic Afferent-Target Relations in Gustatory NTSR01DC010183 · NIDCD · UNIVERSITY OF VIRGINIA · PI ERISIR, ALEV · 2010 to 2012
$703k
CIHR 10677Howard Hughes Medical InstituteNIDCD NIH HHS R01 DC010183NIDCD NIH HHS R01DC010183NIGMS NIH HHS R01 GM102525NIGMS NIH HHS R01GM102525NIGMS NIH HHS T32 GM007055NINDS NIH HHS R01 NS038691NINDS NIH HHS R01 NS040337NINDS NIH HHS R01NS040337NINDS NIH HHS R01 NS053570NINDS NIH HHS R01NS053570NINDS NIH HHS R01 NS067456NINDS NIH HHS R01NS067456NINDS NIH HHS R01 NS091452NINDS NIH HHS R01NS091452NINDS NIH HHS R01 NS092548
6 · The paper itself

Abstract

CaV3.2 T-type calcium channels, encoded by CACNA1H, are expressed throughout the brain, yet their general function remains unclear. We discovered that CaV3.2 channels control NMDA-sensitive glutamatergic receptor (NMDA-R)-mediated transmission and subsequent NMDA-R-dependent plasticity of AMPA-R-mediated transmission at rat central synapses. Interestingly, functional CaV3.2 channels primarily incorporate into synapses, replace existing CaV3.2 channels, and can induce local calcium influx to control NMDA transmission strength in an activity-dependent manner. Moreover, human childhood absence epilepsy (CAE)-linked hCaV3.2(C456S) mutant channels have a higher channel open probability, induce more calcium influx, and enhance glutamatergic transmission. Remarkably, cortical expression of hCaV3.2(C456S) channels in rats induces 2- to 4-Hz spike and wave discharges and absence-like epilepsy characteristic of CAE patients, which can be suppressed by AMPA-R and NMDA-R antagonists but not T-type calcium channel antagonists. These results reveal an unexpected role of CaV3.2 channels in regulating NMDA-R-mediated transmission and a novel epileptogenic mechanism for human CAE.

Indexed as

AnimalsCalcium Channel BlockersCalcium ChannelsCalcium Channels, T-TypeEpilepsy, AbsenceGene Expression RegulationHumansMutationRatsReceptors, N-Methyl-D-AspartateRecombinant ProteinsSignal TransductionSynapsesCACNA1H protein, humanCalcium Channel BlockersCalcium ChannelsCalcium Channels, T-TypeReceptors, N-Methyl-D-AspartateRecombinant ProteinsCaV3.2 channelschildhood absence epilepsyNMDA transmissionsynapses

Identifiers

PMID26220996
PMCPMC4526737
OpenAlexW1893862769

What OpenQuestion holds

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LicenceCC BY-NC
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.