Evidence map›Paper›PMID 28541473›Full record

ArticleCerebral cortex (New York, N.Y. : 1991)2017

Relationship Between Synaptic AMPAR and Spine Dynamics: Impairments in the FXS Mouse.

Anand Suresh, Anna Dunaevsky

Open access · bronzeAbstract read
In one paragraph

Article in Cerebral cortex (New York, N.Y. : 1991), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

28 citing papers in PubMed, 36 citations in OpenAlex.

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  7. Impairments in endogenous AMPA receptor dynamics correlates with learning deficits in Alzheimer's disease model mice.Proceedings of the National Academy of Sciences of the United States of America · 2023
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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

2 authors at 2 institutions in 2 countries.

Anand SureshAddress correspondence to Anna Dunaevsky. Email: adunaevsky@unmc.edu
Anna DunaevskyDepartment of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, 985960 Nebraska Medical Center, Omaha, NE 68198-5960, USA.
Nebraska Medical Center · USUniversidade da Coruña · ES

Funding

Mechanisms of Motor Skill Learning in the Fragile X Mouse ModelR01HD067218 · NICHD · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI DUNAEVSKY, ANNA · 2012 to 2016
$1.5M
The Role of Astrocytic signaling in Synaptic PlasticityR21MH107029 · NIMH · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI DUNAEVSKY, ANNA · 2015 to 2016
$399k
NICHD NIH HHS R01 HD067218NIMH NIH HHS R21 MH107029
6 · The paper itself

Abstract

Structural dynamics of dendritic spines are important for memory and learning and are impaired in neurodevelopmental disorders such as fragile X syndrome. Spine dynamics are regulated by activity-dependent mechanisms that involve modulation of AMPA receptors (AMPAR); however, the relationship between AMPAR and spine dynamics in vivo and how these are altered in FXS mouse model is not known. Here, we tracked AMPAR and spines over multiple days in vivo in the cortex and found that dendritic spines in the fmr1 KO mouse were denser, smaller, had higher turnover rates and contained less sGluA2 compared to littermate controls. Although, KO spines maintained the relationship between AMPAR and spine stability, AMPAR levels in the KO were more dynamic with larger proportion of spines showing multiple dynamic events of AMPAR. Directional changes in sGluA2 were also observed in newly formed and eliminated spines, with KO spines displaying greater loss of AMPAR before elimination. Thus, we demonstrate that AMPAR levels within spines not are only continuously dynamic, but are also predictive of spine behavior, with impairments observed in the fmr1 KO mice.

Indexed as

AnimalsDendritic SpinesDisease Models, AnimalFragile X Messenger Ribonucleoprotein 1Fragile X SyndromeMaleMice, Inbred C57BLMice, KnockoutMotor CortexPyramidal CellsReceptors, AMPASynapsesTime FactorsFmr1 protein, mouseFragile X Messenger Ribonucleoprotein 1glutamate receptor ionotropic, AMPA 2Receptors, AMPAAMPARdendritic spinesfragile XGluA2motor cortexmultiphoton

Identifiers

PMID28541473
PMCPMC6057510
OpenAlexW2620258884

What OpenQuestion holds

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LicenceCC BY-NC
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.