Evidence map›Paper›PMID 16702558›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2006

A single sodium channel mutation produces hyper- or hypoexcitability in different types of neurons.

Anthony M Rush, Sulayman D Dib-Hajj, Shujun Liu, Theodore R Cummins, Joel A Black, Stephen G Waxman

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 170 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
170citing papers in PubMed, 1 pooled it
12.6field-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

170 citing papers in PubMed, 1 synthesis or guideline pooled it, 403 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Article
  6. Shaping the Action Potential in Dorsal Root and Trigeminal Ganglia Neurons: Relevance to Pain Mechanisms.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Review
  7. Co-Occurrence ofCase reports in medicine · 2026
    Article
  8. Article
  9. Review
  10. Nav1.8: Intrinsic limits on the functional effect of abrogation in DRG neurons.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  11. Article
  12. Article
  13. Inhibiting Nav1.8 for pain: Lessons from patients and from neurons.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Heterozygous expression of abioRxiv : the preprint server for biology · 2024
    Article

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

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 at 3 institutions in 1 country.

Anthony M RushDepartment of Neurology and Center for Neuroscience and Regeneration Research, Yale University School of Medicine, New Haven, CT 06510, USA.
Sulayman D Dib-Hajj
Shujun Liu
Theodore R Cummins
Joel A Black
Stephen G Waxman
VA Connecticut Healthcare System · USIndiana University – Purdue University Indianapolis · USYale University · US

Funding

Sodium channels and electrogenesis in sensory neuronsR01NS053422 · NINDS · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI CUMMINS, THEODORE R · 2006 to 2019
$4.6M
Sodium channels and electrogenesis in sensory neuronsR56NS053422 · NINDS · INDIANA UNIVERSITY INDIANAPOLIS · PI CUMMINS, THEODORE R · 2015 to 2015
$390k
NINDS NIH HHS NS053422NINDS NIH HHS R01 NS053422NINDS NIH HHS R56 NS053422
6 · The paper itself

Abstract

Disease-producing mutations of ion channels are usually characterized as producing hyperexcitability or hypoexcitability. We show here that a single mutation can produce hyperexcitability in one neuronal cell type and hypoexcitability in another neuronal cell type. We studied the functional effects of a mutation of sodium channel Nav1.7 associated with a neuropathic pain syndrome, erythermalgia, within sensory and sympathetic ganglion neurons, two cell types where Nav1.7 is normally expressed. Although this mutation depolarizes resting membrane potential in both types of neurons, it renders sensory neurons hyperexcitable and sympathetic neurons hypoexcitable. The selective presence, in sensory but not sympathetic neurons, of the Nav1.8 channel, which remains available for activation at depolarized membrane potentials, is a major determinant of these opposing effects. These results provide a molecular basis for the sympathetic dysfunction that has been observed in erythermalgia. Moreover, these findings show that a single ion channel mutation can produce opposing phenotypes (hyperexcitability or hypoexcitability) in the different cell types in which the channel is expressed.

Indexed as

MutationSynaptic TransmissionAnimalsCells, CulturedGanglia, SpinalNAV1.7 Voltage-Gated Sodium ChannelNeuronsPhenotypeRatsRats, Sprague-DawleySodium ChannelsSuperior Cervical GanglionTime FactorsTransfectionNAV1.7 Voltage-Gated Sodium ChannelSCN9A protein, humanSodium Channels

Identifiers

PMID16702558
PMCPMC1472458
OpenAlexW2050910050

What OpenQuestion holds

Textmetadata
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.