Evidence map›Paper›PMID 10492005›Full record

ArticleLearning & memory (Cold Spring Harbor, N.Y.)

Synaptic reliability correlates with reduced susceptibility to synaptic potentiation by brain-derived neurotrophic factor.

B Berninger, A F Schinder, M M Poo

Open access · bronzeAbstract read
In one paragraph

Article in Learning & memory (Cold Spring Harbor, N.Y.). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
–field-weighted citation impact
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

34 citing papers in PubMed, 59 citations in OpenAlex.

  1. Article
  2. Multimodal Interrogation of Ventral Pallidum Projections Reveals Projection-Specific Signatures and Effects on Cocaine Reward.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Article
  3. Metaplasticity in the Ventral Pallidum as a Potential Marker for the Propensity to Gain Weight in Chronic High-Calorie Diet.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020
    Article
  4. Projection-Specific Potentiation of Ventral Pallidal Glutamatergic Outputs after Abstinence from Cocaine.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020
    Article
  5. Article
  6. Article
  7. Article
  8. MicroRNA-132 may play a role in coexistence of depression and cardiovascular disease: a hypothesis.Medical science monitor : international medical journal of experimental and clinical research · 2013
    Article
  9. Site-specific synapsin I phosphorylation participates in the expression of post-tetanic potentiation and its enhancement by BDNF.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2012
    Article
  10. Article
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  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Synaptic strength modulation after cortical trauma: a role in epileptogenesis.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2008
    Article
  18. Article
  19. Review
  20. Single-cell characterization of retrograde signaling by brain-derived neurotrophic factor.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2006
    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 1 institution in 1 country.

B BerningerDepartment of Biology, University of California San Diego, La Jolla 92093-0357, USA.
A F Schinder
M M Poo
University of California, San Diego · US

Funding

Neurotrophin and Synaptic PlasticityR01NS037831 · NINDS · UNIVERSITY OF CALIFORNIA SAN DIEGO · PI POO, MU-MING · 1998 to 2006
$2.3M
NINDS NIH HHS NS37831
6 · The paper itself

Abstract

Recent studies have implicated brain-derived neurotrophic factor (BDNF) in use-dependent modification of hippocampal synapses. BDNF can rapidly potentiate synaptic transmission at glutamatergic synapses by enhancing transmitter release. Using simultaneous perforated patch recording from pairs and triplets of glutamatergic hippocampal neurons, we have examined how the initial state of the glutamatergic synapse determines its susceptibility to synaptic modification by BDNF. We found that the degree of synaptic potentiation by BDNF depends on the initial reliability and strength of the synapse: Relatively weak connections were strongly potentiated, whereas the effect was markedly reduced at stronger synapses. The degree of BDNF-induced potentiation strongly correlated with the initial coefficient of variation (CV) of the amplitude of excitatory postsynaptic currents (EPSCs) and inversely correlated with the initial paired-pulse facilitation, suggesting that synapses with lower release probability (Pr) are more susceptible to the action of BDNF. To determine whether saturation of Pr could have masked the potentiation effect of BDNF in the stronger synapses, we lowered the initial Pr either by reducing the extracellular Ca2+ concentration ([Ca2+]o) or by bath application of adenosine. Synapses that were initially strong remained unaffected by BDNF under these conditions of reduced Pr. Thus, the lack of BDNF effect on synaptic efficacy cannot simply be accounted for by saturation of Pr, but rather may be due to intrinsic changes associated with synaptic maturation that might covary with Pr. Finally, the dependence on initial synaptic strength was also found for divergent outputs of the same presynaptic neuron, suggesting that synaptic terminals with different degrees of responsiveness to BDNF can coexist within in the same neuron.

Indexed as

AnimalsBrain-Derived Neurotrophic FactorCells, CulturedExcitatory Postsynaptic Potentialsgamma-Aminobutyric AcidGlutamic AcidHippocampusHumansMembrane PotentialsNeuronal PlasticityPatch-Clamp TechniquesRatsRecombinant ProteinsSynapsesSynaptic TransmissionBrain-Derived Neurotrophic Factorgamma-Aminobutyric AcidGlutamic AcidRecombinant Proteins

Identifiers

PMID10492005
PMCPMC311306
OpenAlexW1855872397

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.