Evidence map›Paper›PMID 22053156›Full record

ArticleFrontiers in pharmacology2011

The sodium channel as a target for local anesthetic drugs.

Harry A Fozzard, Michael F Sheets, Dorothy A Hanck

Open access · goldAbstract read
In one paragraph

Article in Frontiers in pharmacology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed
2.1field-weighted citation impact, top 13% 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

59 citing papers in PubMed, 118 citations in OpenAlex.

  1. Trial
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  5. The psychoactive cannabinoid THC inhibits peripheral nociceptors by targeting NaNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
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  13. Review
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  15. Review
  16. Article
  17. Blockers of Skeletal Muscle NaInternational journal of molecular sciences · 2023
    Review
  18. Capsaicin as an amphipathic modulator of NaChannels (Austin, Tex.) · 2022
    Article
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  20. Article
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

3 authors at 2 institutions in 1 country.

Harry A FozzardCardiac Electrophysiology Laboratory, Department of Medicine, The University of Chicago Chicago, IL, USA.
Michael F Sheets
Dorothy A Hanck
University of Chicago · USHarrison Medical Center · US

Funding

Drug therapy targeted to the voltage-gated sodium channelR01HL096476 · NHLBI · UNIVERSITY OF CHICAGO · PI HANCK, DOROTHY A., SHEETS, MICHAEL F · 2009 to 2010
$1.4M
NHLBI NIH HHS R01 HL096476
6 · The paper itself

Abstract

Na channels are the source of excitatory currents for the nervous system and muscle. They are the target for a class of drugs called local anesthetics (LA), which have been used for local and regional anesthesia and for excitatory problems such as epilepsy and cardiac arrhythmia. These drugs are prototypes for new analgesic drugs. The drug-binding site has been localized to the inner pore of the channel, where drugs interact mainly with a phenylalanine in domain IV S6. Drug affinity is both voltage- and use-dependent. Voltage-dependency is the result of changes in the conformation of the inner pore during channel activation and opening, allowing high energy interaction of drugs with the phenylalanine. LA drugs also reduce the gating current of Na channels, which represents the movement of charged residues in the voltage sensors. Specifically, drug binding to phenylalanine locks the domain III S4 in its outward (activated) position, and slows recovery of the domain IV S4. Although strongly affecting gating, LA drugs almost certainly also block by steric occlusion of the pore. Molecular definition of the binding and blocking interactions may help in new drug development.

Indexed as

gating currentslidocainelocal anestheticsmolecular modelingNa channel

Identifiers

PMID22053156
PMCPMC3205381
OpenAlexW2124798906

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.