Evidence map›Paper›PMID 19412172›Full record

ArticleNature medicine2009

A primate-specific, brain isoform of KCNH2 affects cortical physiology, cognition, neuronal repolarization and risk of schizophrenia.

Stephen J Huffaker, Jingshan Chen, Kristin K Nicodemus, Fabio Sambataro, Feng Yang, Venkata Mattay, Barbara K Lipska, Thomas M Hyde, Jian Song, Dan Rujescu and 15 more

Open access · greenAbstract read
In one paragraph

Article in Nature medicine, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 134 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
134citing papers in PubMed, 1 pooled it
12.9field-weighted citation impact, top 1% 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

134 citing papers in PubMed, 1 synthesis or guideline pooled it, 255 citations in OpenAlex.

  1. Pooled it
  2. Effects of neuregulin 3 genotype on human prefrontal cortex physiology.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
    Trial
  3. Review
  4. Article
  5. Article
  6. Article
  7. Sudden Death-AssociatedbioRxiv : the preprint server for biology · 2025
    Article
  8. A privileged ER compartment for posttranslational heteromeric assembly of an ion channel.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  15. DNA topoisomerase 2-associated proteins PATL1 and PATL2 regulate the biogenesis of hERG KProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  16. Locus Coeruleus Neurons' Firing Pattern Is Regulated by ERG Voltage-Gated KInternational journal of molecular sciences · 2022
    Article
  17. Analysis ofGenes · 2022
    Article
  18. Review
  19. The ERG1 KFrontiers in molecular neuroscience · 2022
    Review
  20. Review

74 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

25 authors at 8 institutions in 6 countries.

Stephen J HuffakerClinical Brain Disorders Branch, National Institute of Mental Health, Bethesda, Maryland, USA.
Jingshan Chen
Kristin K Nicodemus
Fabio Sambataro
Feng Yang
Venkata Mattay
Barbara K Lipska
Thomas M Hyde
Jian Song
Dan Rujescu
Ina Giegling
Karine Mayilyan
Morgan J Proust
Armen Soghoyan
Grazia Caforio
Joseph H Callicott
Alessandro Bertolino
Andreas Meyer-Lindenberg
Jay Chang
Yuanyuan Ji
Michael F Egan
Terry E Goldberg
Joel E Kleinman
Bai Lu
Daniel R Weinberger
Gènes, synapses et cognition · FRNational Institutes of Health · USNational Institute of Mental Health · USLudwig-Maximilians-Universität München · DEUniversity of Bari Aldo Moro · ITYerevan State Medical University · AMEunice Kennedy Shriver National Institute of Child Health and Human Development · USNational Institute of Child Health · HU

Funding

Procurement and Characterization of Postmortem Brain TissueZICMH002903 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI MARENCO, STEFANO · 2009 to 2025
$56.0M
Genetic Basis Of Cortical Malfunction In SchizophreniaZIAMH002734 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2014
$17.5M
Postmortem Brain Tissue Examination in Neuropsychiatric DisordersZIAMH002399 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI AMARA, SUSAN · 2009 to 2014
$11.9M
MRI Studies of Brain Function and MetabolismZIAMH002716 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2013
$9.8M
MRI STUDIES OF BRAIN FUNCTION AND METABOLISMZ01MH002716 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI WEINBERGER, DANIEL MARTIN · 1995 to 2008
$9.1M
GENETIC BASIS OF CORTICAL MALFUNCTION IN SCHIZOPHRENIAZ01MH002734 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI WEINBERGER, DANIEL MARTIN · 1996 to 2008
$8.4M
Characterization of Genetic Mechanisms Contributing to Neuropsychiatric DisorderZIAMH002904 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2012
$8.1M
Neuroimaging Core FacilityZICMH002905 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI BERMAN, KAREN FAITH · 2009 to 2012
$3.8M
Biological Characterization of Genetic Mechanisms in Neuropsychiatric DisordersZ01MH002904 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI WEINBERGER, DANIEL · 2007 to 2008
$2.6M
Intramural NIH HHS Z01 MH002716Intramural NIH HHS Z01 MH002734Intramural NIH HHS Z01 MH002904Intramural NIH HHS Z99 MH999999
6 · The paper itself

Abstract

Organized neuronal firing is crucial for cortical processing and is disrupted in schizophrenia. Using rapid amplification of 5' complementary DNA ends in human brain, we identified a primate-specific isoform (3.1) of the ether-a-go-go-related K(+) channel KCNH2 that modulates neuronal firing. KCNH2-3.1 messenger RNA levels are comparable to full-length KCNH2 (1A) levels in brain but three orders of magnitude lower in heart. In hippocampus from individuals with schizophrenia, KCNH2-3.1 expression is 2.5-fold greater than KCNH2-1A expression. A meta-analysis of five clinical data sets (367 families, 1,158 unrelated cases and 1,704 controls) shows association of single nucleotide polymorphisms in KCNH2 with schizophrenia. Risk-associated alleles predict lower intelligence quotient scores and speed of cognitive processing, altered memory-linked functional magnetic resonance imaging signals and increased KCNH2-3.1 mRNA levels in postmortem hippocampus. KCNH2-3.1 lacks a domain that is crucial for slow channel deactivation. Overexpression of KCNH2-3.1 in primary cortical neurons induces a rapidly deactivating K(+) current and a high-frequency, nonadapting firing pattern. These results identify a previously undescribed KCNH2 channel isoform involved in cortical physiology, cognition and psychosis, providing a potential new therapeutic drug target.

Indexed as

Gene Expression RegulationAnimalsCerebral CortexCognitionERG1 Potassium ChannelEther-A-Go-Go Potassium ChannelsHumansMolecular Sequence DataNeuronsPolymorphism, Single NucleotidePrimatesRisk FactorsSchizophreniaWhite PeopleERG1 Potassium ChannelEther-A-Go-Go Potassium ChannelsKCNH2 protein, human

Identifiers

PMID19412172
PMCPMC2756110
OpenAlexW2112810336

What OpenQuestion holds

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Read underepoch 390

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.