Evidence map›Paper›PMID 15555928›Full record

ArticleMolecular and cellular neurosciences2004

Temporally distinct demands for classic cadherins in synapse formation and maturation.

Ozlem Bozdagi, Martin Valcin, Kira Poskanzer, Hidekazu Tanaka, Deanna L Benson

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular neurosciences, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 7% 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, 1 synthesis or guideline pooled it, 126 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Synaptic recognition molecules in development and disease.Current topics in developmental biology · 2021
    Article
  5. The Cadherin Superfamily in Neural Circuit Assembly.Cold Spring Harbor perspectives in biology · 2018
    Review
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. The classic cadherins in synaptic specificity.Cell adhesion & migration · 2015
    Review
  14. Review
  15. Article
  16. Article
  17. Target-cell-specific short-term plasticity in local circuits.Frontiers in synaptic neuroscience · 2013
    Review
  18. Article
  19. Article
  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

5 authors at 2 institutions in 2 countries.

Ozlem BozdagiFishberg Department of Neuroscience, The Mount Sinai School of Medicine, New York, NY 10029, USA.
Martin Valcin
Kira Poskanzer
Hidekazu Tanaka
Deanna L Benson
Icahn School of Medicine at Mount Sinai · USOsaka University · JP

Funding

SYNAPSE TARGETING AND ASSEMBLYR01NS037731 · NINDS · MOUNT SINAI SCHOOL OF MEDICINE OF NYU · PI BENSON, DEANNA L · 1999 to 2010
$2.7M
CAM TARGETING /SIGNALING--FETAL ALCOHOL SYNDROME MODEL?R21AA012971 · NIAAA · MOUNT SINAI SCHOOL OF MEDICINE OF NYU · PI BENSON, DEANNA L · 2001 to 2003
$509k
NIAAA NIH HHS AA12971NIAAA NIH HHS R21 AA012971NINDS NIH HHS NS37731NINDS NIH HHS R01 NS037731
6 · The paper itself

Abstract

Classic cadherins are synaptic adhesion proteins that have been implicated in synapse formation and targeting. Brief inactivation of classic cadherin function in young neurons appears to abrogate synapse formation when examined acutely. It remains unknown if such abrogation is unique to young neurons, whether it occurs by stalling neuronal maturation or by directly interfering with the process of synapse assembly, or whether synapse targeting is altered. Here we asked if sustained pan-cadherin blockade would prevent or alter the progression of axonal and dendritic outgrowth, synaptogenesis, or the stereotypic distribution of excitatory and inhibitory synapses on cultured hippocampal neurons. While pre- and postsynaptic cadherins are required for synapse assembly in young neurons, we find that in neurons older than 10 days, classic cadherins are entirely dispensable for joining and aligning presynaptic vesicle clusters with molecular markers of the postsynaptic density. Furthermore, we find that the proportion and relative distributions of excitatory and inhibitory terminals on single neurons are not altered. However, synapses that form on neurons in which cadherin function is blocked are smaller; they exhibit decreased synaptic vesicle recycling and a decreased frequency of spontaneous EPSCs. Moreover, they fail to acquire resistance to F-actin depolymerization, a hallmark of mature, stable contacts. These data provide new evidence that cadherins are required to promote synapse stabilization and structural and functional maturation, but dispensable for the correct subcellular distribution of excitatory and inhibitory synapses.

Indexed as

ActinsAnimalsbeta CateninBinding, CompetitiveCadherinsCell DifferentiationCell MembraneCells, CulturedCOS CellsCytoskeletal ProteinsDendritesExcitatory Postsynaptic PotentialsGrowth ConesHippocampusMiceMutationActinsbeta CateninCadherinsCTNNB1 protein, mouseCtnnb1 protein, ratCTNNB1 protein, XenopusCytoskeletal ProteinsTrans-ActivatorsXenopus Proteins

Identifiers

PMID15555928
PMCPMC2910522
OpenAlexW2118659080

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.