Evidence map›Paper›PMID 22049443›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2011

Presynaptic gating of postsynaptically expressed plasticity at mature thalamocortical synapses.

Jay A Blundon, Ildar T Bayazitov, Stanislav S Zakharenko

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing 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

42 citing papers in PubMed, 71 citations in OpenAlex.

  1. Article
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  6. Synaptic plasticity in human thalamocortical assembloids.bioRxiv : the preprint server for biology · 2024
    Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Altered Heterosynaptic Plasticity Impairs Visual Discrimination Learning in Adenosine A1 Receptor Knock-Out Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  12. Presynaptic Inhibitory Effects of Acetylcholine in the Hippocampus: A 40-Year Evolution of a Serendipitous Finding.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  13. Review
  14. Review
  15. Selective Strengthening of Intracortical Excitatory Input Leads to Receptive Field Refinement during Auditory Cortical Development.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019
    Article
  16. Review
  17. Article
  18. Adenosine AAnatomical record (Hoboken, N.J. : 2007) · 2018
    Article
  19. Review
  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 3 countries.

Jay A BlundonDepartment of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, Tennessee 38105-3678, USA. stanislav.zakharenko@stjude.org
Ildar T Bayazitov
Stanislav S Zakharenko
St. Jude Children's Research Hospital · USInstitute of Developmental Physiology · RU

Funding

Trans-synaptic interactions during synaptic plasticity in the hippocampusR01MH079079 · NIMH · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI ZAKHARENKO, STANISLAV S · 2008 to 2012
$1.9M
NIMH NIH HHS R01 MH079079
6 · The paper itself

Abstract

Thalamocortical (TC) projections provide the major pathway for ascending sensory information to the mammalian neocortex. Arrays of these projections form synaptic inputs on thalamorecipient neurons, thus contributing to the formation of receptive fields (RFs) in sensory cortices. Experience-dependent plasticity of RFs persists throughout an organism's life span but in adults requires activation of cholinergic inputs to the cortex. In contrast, synaptic plasticity at TC projections is limited to the early postnatal period. This disconnect led to the widespread belief that TC synapses are the principal site of RF plasticity only in neonatal sensory cortices, but that they lose this plasticity upon maturation. Here, we tested an alternative hypothesis that mature TC projections do not lose synaptic plasticity but rather acquire gating mechanisms that prevent the induction of synaptic plasticity. Using whole-cell recordings and direct measures of postsynaptic and presynaptic activity (two-photon glutamate uncaging and two-photon imaging of the FM 1-43 assay, respectively) at individual synapses in acute mouse brain slices that contain the auditory thalamus and cortex, we determined that long-term depression (LTD) persists at mature TC synapses but is gated presynaptically. Cholinergic activation releases presynaptic gating through M(1) muscarinic receptors that downregulate adenosine inhibition of neurotransmitter release acting through A(1) adenosine receptors. Once presynaptic gating is released, mature TC synapses can express LTD postsynaptically through group I metabotropic glutamate receptors. These results indicate that synaptic plasticity at TC synapses is preserved throughout the life span and, therefore, may be a cellular substrate of RF plasticity in both neonate and mature animals.

Indexed as

AnimalsCerebral CortexElectric StimulationExcitatory Postsynaptic PotentialsGlutamatesIndolesIn Vitro TechniquesIon Channel GatingLong-Term Synaptic DepressionMaleMiceMice, Inbred C57BLMice, KnockoutPatch-Clamp TechniquesPresynaptic TerminalsPyridinium Compounds4-methoxy-7-nitroindolinyl-glutamateFM1 43GlutamatesIndolesPyridinium CompoundsQuaternary Ammonium CompoundsReceptor, Adenosine A1

Identifiers

PMID22049443
PMCPMC3245688
OpenAlexW2070132345

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.