Evidence map›Paper›PMID 41188451›Full record

ArticleJournal of human genetics2026

Functional and pharmacological investigation of novel and de novo KCND3 variants identified in patients with neurodevelopmental disorders.

Byambajav Tserenlkham, Koichiro Takayama, Dimitar P Zankov, William B Gallentine, Vishnu Anand Cuddapah, Stacey Cohen, Keiko Sonoda, Minoru Horie, Seiko Ohno

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Article in Journal of human genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 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

9 authors.

Byambajav TserenlkhamMedical Genome Center, National Cerebral and Cardiovascular Center, Suita, Japan.
Koichiro TakayamaMedical Genome Center, National Cerebral and Cardiovascular Center, Suita, Japan.
Dimitar P ZankovMedical Genome Center, National Cerebral and Cardiovascular Center, Suita, Japan.
William B GallentineDivision of Child Neurology, Stanford University School of Medicine, Stanford, CA, USA.
Vishnu Anand CuddapahJan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX, USA.
Stacey CohenDivision of Translational Medicine and Human Genetics, the Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
Keiko SonodaMedical Genome Center, National Cerebral and Cardiovascular Center, Suita, Japan.
Minoru HorieDepartment of Cardiovascular Medicine, Shiga University of Medical Science, Otsu, Japan.ORCID http://orcid.org/0000-0002-9029-2339
Seiko OhnoMedical Genome Center, National Cerebral and Cardiovascular Center, Suita, Japan. sohno@ncvc.go.jp.ORCID http://orcid.org/0000-0003-1209-8896

Funding

MEXT | Japan Society for the Promotion of Science (JSPS) 19K17593MEXT | Japan Society for the Promotion of Science (JSPS) 22K20906MEXT | Japan Society for the Promotion of Science (JSPS) 24K19074
6 · The paper itself

Abstract

Sudden unexpected death in epilepsy (SUDEP) is one of the most frequent causes of death in patients with epilepsy, though the pathogenesis of SUDEP has not been well elucidated. Here, we report novel heterozygous KCND3 variants, p.V401L and p.V401M, identified in young patients with refractory epilepsy (RE) and neurodevelopmental disorders, and the functional properties of these variants. We aimed to investigate the electrophysiological changes in de novo KCND3 variants and analyse the pharmacological effects of quinidine on these variants. Chinese hamster ovary (CHO) cells were transiently co-transfected with wild-type (WT) and/or variant KCND3 and Kcnip2. Transient outward potassium currents (I

Indexed as

EpilepsyNeurodevelopmental DisordersShal Potassium ChannelsAdolescentAnimalsChildCHO CellsCricetinaeCricetulusFemaleHumansMaleMutationPatch-Clamp TechniquesQuinidineSudden Unexpected Death in EpilepsyKCND3 protein, humanQuinidineShal Potassium Channels

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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.