Evidence map›Paper›PMID 9122251›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1997

Induction by agrin of ectopic and functional postsynaptic-like membrane in innervated muscle.

G Jones, T Meier, M Lichtsteiner, V Witzemann, B Sakmann, H R Brenner

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
5.4field-weighted citation impact, top 3% 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

45 citing papers in PubMed, 159 citations in OpenAlex.

  1. Review
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  11. LRP4 is critical for neuromuscular junction maintenance.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
    Article
  12. Article
  13. Perlecan antagonizes collagen IV and ADAMTS9/GON-1 in restricting the growth of presynaptic boutons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
    Article
  14. Stem cell-derived tissue-engineered constructs for hemilaryngeal reconstruction.The Annals of otology, rhinology, and laryngology · 2014
    Article
  15. Article
  16. Molecular control of neuromuscular junction development.Journal of cachexia, sarcopenia and muscle · 2012
    Article
  17. Review
  18. Emerging roles for MAP kinases in agrin signaling.Communicative & integrative biology · 2011
    Article
  19. Extracellular matrix: functions in the nervous system.Cold Spring Harbor perspectives in biology · 2011
    Review
  20. Review
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 1 institution in 1 country.

G JonesInstitut für Physiologie, Basel, Switzerland.
T Meier
M Lichtsteiner
V Witzemann
B Sakmann
H R Brenner
Max Planck Institute for Medical Research · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Two factors secreted from the nerve terminal, agrin and neuregulin, have been postulated to induce localization of the acetylcholine receptors (AChRs) to the subsynaptic membrane in skeletal muscle fibers. The principal function ascribed to neuregulin is induction of AChR subunit gene expression and to agrin is the aggregation of AChRs. Here we report that when myoblasts engineered to secrete an agrin fragment were placed into the nerve-free region of denervated rodent muscle, the host muscle fibers expressed AChR epsilon-subunit gene transcripts, characteristic of the neuromuscular synapse in adult muscle. Transcripts were colocalized with agrin deposits and AChR clusters that were resistant to electrical muscle activity. More directly, single innervated muscle fibers injected intracellularly with agrin expression plasmids in their extrasynaptic region developed a functional ectopic postsynaptic membrane with clusters of adult-type AChR channels and acetylcholinesterase and accumulation of myonuclei. The results demonstrate that agrin is the principal neural signal that induces the formation of the subsynaptic apparatus in the muscle fiber and controls locally, either indirectly or directly, the transcription of AChR subunit genes and the aggregation of AChRs.

Indexed as

Muscle DenervationAgrinAnimalsCell LineCell MembraneMaleMiceMotor EndplateMuscle Fibers, SkeletalMuscle, SkeletalPlasmidsRatsRats, Sprague-DawleyReceptors, CholinergicRecombinant ProteinsSynapsesAgrinReceptors, CholinergicRecombinant Proteins

Identifiers

PMID9122251
PMCPMC20144
OpenAlexW2052177052

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.