Evidence map›Paper›PMID 19688192›Full record

ReviewJournal of molecular neuroscience : MN2010

What have we learned from the congenital myasthenic syndromes.

Andrew G Engel, Xin-Ming Shen, Duygu Selcen, Steven M Sine

Open access · greenAbstract readReview
In one paragraph

Review in Journal of molecular neuroscience : MN, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
8.7field-weighted citation impact, top 2% 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

38 citing papers in PubMed, 1 synthesis or guideline pooled it, 88 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Congenital myasthenic syndromes a rare case of AGRN mutation.American journal of neurodegenerative disease · 2025
    Article
  5. Article
  6. Review
  7. Variants ofBMJ case reports · 2021
    Article
  8. Review
  9. Article
  10. Clinical and genetic characterization of an Italian family with slow-channel syndrome.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2019
    Article
  11. Fatigue in Rapsyn-Deficient Zebrafish Reflects Defective Transmitter Release.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016
    Article
  12. Review
  13. Article
  14. An ocular motility conundrum.BMJ case reports · 2014
    Article
  15. Review
  16. Article
  17. Article
  18. Skeletal muscle calpain acts through nitric oxide and neural miRNAs to regulate acetylcholine release in motor nerve terminals.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013
    Article
  19. Myasthenogenicity of the main immunogenic region.Annals of the New York Academy of Sciences · 2012
    Article
  20. Mechanosensitivity of nicotinic receptors.Pflugers Archiv : European journal of physiology · 2012
    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

4 authors at 1 institution in 1 country.

Andrew G EngelDepartment of Neurology and Muscle Research Laboratory, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. age@mayo.edu
Xin-Ming Shen
Duygu Selcen
Steven M Sine
Mayo Clinic · US

Funding

ELECTRON MICROSCOPY OF MYOPATHIESR01NS006277 · NINDS · MAYO CLINIC ROCHESTER · PI ENGEL, ANDREW GEORGE · 1985 to 2015
$7.8M
STRUCTURE/FUNCTION OF THE ACETYLCHOLINE RECEPTORR01NS031744 · NINDS · MAYO CLINIC ROCHESTER · PI SINE, STEVEN M · 1992 to 2023
$7.3M
Structure and Function of the Acetylcholine ReceptorR37NS031744 · NINDS · MAYO CLINIC ROCHESTER · PI SINE, STEVEN M · 2001 to 2007
$4.1M
Congenital Myasthenic SyndromesR56NS006277 · NINDS · MAYO CLINIC ROCHESTER · PI ENGEL, ANDREW GEORGE, SELCEN, DUYGU · 2017 to 2017
$539k
NINDS NIH HHS NS-31744NINDS NIH HHS NS-6277NINDS NIH HHS R01 NS006277NINDS NIH HHS R01 NS031744NINDS NIH HHS R37 NS031744NINDS NIH HHS R56 NS006277
6 · The paper itself

Abstract

The congenital myasthenic syndromes have now been traced to an array of molecular targets at the neuromuscular junction encoded by no fewer than 11 disease genes. The disease genes were identified by the candidate gene approach, using clues derived from clinical, electrophysiological, cytochemical, and ultrastructural features. For example, electrophysiologic studies in patients suffering from sudden episodes of apnea pointed to a defect in acetylcholine resynthesis and CHAT as the candidate gene (Ohno et al., Proc Natl Acad Sci USA 98:2017-2022, 2001); refractoriness to anticholinesterase medications and partial or complete absence of acetylcholinesterase (AChE) from the endplates (EPs) has pointed to one of the two genes (COLQ and ACHE ( T )) encoding AChE, though mutations were observed only in COLQ. After a series of patients carrying mutations in a disease gene have been identified, the emerging genotype-phenotype correlations provided clues for targeted mutation analysis in other patients. Mutations in EP-specific proteins also prompted expression studies that proved pathogenicity, highlighted important functional domains of the abnormal proteins, and pointed to rational therapy.

Indexed as

AcetylcholineAcetylcholinesteraseCholine O-AcetyltransferaseDNA Mutational AnalysisGenetic Predisposition to DiseaseHumansMolecular BiologyMutationMyasthenic Syndromes, CongenitalNeuromuscular JunctionAcetylcholineAcetylcholinesteraseCholine O-Acetyltransferase

Identifiers

PMID19688192
PMCPMC3050586
OpenAlexW2077981340

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.