Evidence map›Paper›PMID 23622763›Full record

ArticlePain2013

Knockdown of sodium channel NaV1.6 blocks mechanical pain and abnormal bursting activity of afferent neurons in inflamed sensory ganglia.

Wenrui Xie, Judith A Strong, Ling Ye, Ju-Xian Mao, Jun-Ming Zhang

Open access · greenAbstract read
In one paragraph

Article in Pain, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed, 1 pooled it
4.8field-weighted citation impact, top 5% 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

62 citing papers in PubMed, 1 synthesis or guideline pooled it, 85 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Review
  5. Small-molecule natural product sophoricoside reduces peripheral neuropathic pain via directly blocking of NaV1.6 in dorsal root ganglion nociceptive neurons.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Upregulation of NaCells · 2022
    Article
  14. Review
  15. Review
  16. Article
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  18. Review
  19. Review
  20. Article

2 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

5 authors at 1 institution in 1 country.

Wenrui XiePain Research Center, Department of Anesthesiology, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
Judith A Strong
Ling Ye
Ju-Xian Mao
Jun-Ming Zhang
University of Cincinnati Medical Center · US

Funding

STUDY OF ACTIVITY-DEPENDENT SYMPATHETIC SPROUTINGR01NS045594 · NINDS · UNIVERSITY OF CINCINNATI · PI ZHANG, JUN-MING · 2004 to 2025
$8.6M
NEURAL AND CHEMICAL BASIS OF PATHOLOGIC PAINR01NS055860 · NINDS · UNIVERSITY OF CINCINNATI · PI ZHANG, JUN-MING · 2008 to 2017
$3.7M
NINDS NIH HHS NS45594NINDS NIH HHS NS55860NINDS NIH HHS R01 NS045594NINDS NIH HHS R01 NS055860
6 · The paper itself

Abstract

Inflammatory processes in the sensory ganglia contribute to many forms of chronic pain. We previously showed that local inflammation of the lumbar sensory ganglia rapidly leads to prolonged mechanical pain behaviors and high levels of spontaneous bursting activity in myelinated cells. Abnormal spontaneous activity of sensory neurons occurs early in many preclinical pain models and initiates many other pathological changes, but its molecular basis is not well understood. The sodium channel isoform NaV1.6 can underlie repetitive firing and excitatory persistent and resurgent currents. We used in vivo knockdown of this channel via local injection of siRNA to examine its role in chronic pain after local inflammation of the rat lumbar sensory ganglia. In normal dorsal root ganglion (DRG), quantitative polymerase chain reaction showed that cells capable of firing repetitively had significantly higher relative expression of NaV1.6. In inflamed DRG, spontaneously active bursting cells expressed high levels of NaV1.6 immunoreactivity. In vivo knockdown of NaV1.6 locally in the lumbar DRG at the time of DRG inflammation completely blocked development of pain behaviors and abnormal spontaneous activity, while having only minor effects on unmyelinated C cells. Current research on isoform-specific sodium channel blockers for chronic pain is largely focused on NaV1.8 because it is present primarily in unmyelinated C fiber nociceptors, or on NaV1.7 because lack of this channel causes congenital indifference to pain. However, the results suggest that NaV1.6 may be a useful therapeutic target for chronic pain and that some pain conditions may be mediated primarily by myelinated A fiber sensory neurons.

Indexed as

Action PotentialsAnimalsDisease Models, AnimalDose-Response Relationship, DrugExploratory BehaviorFemaleFunctional LateralityGanglia, SpinalHyperalgesiaLysineMaleNAV1.6 Voltage-Gated Sodium ChannelPain MeasurementPain ThresholdPhysical StimulationPsychophysicsbiocytinLysineNAV1.6 Voltage-Gated Sodium ChannelRNA, Small InterferingScn8a protein, rat

Identifiers

PMID23622763
PMCPMC3699898
OpenAlexW2004998378

What OpenQuestion holds

Textmetadata
LicenceTDM
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.