Evidence map›Paper›PMID 19270686›Full record

ArticleNature neuroscience2009

Tuning of synapse number, structure and function in the cochlea.

Alexander C Meyer, Thomas Frank, Darina Khimich, Gerhard Hoch, Dietmar Riedel, Nikolai M Chapochnikov, Yury M Yarin, Benjamin Harke, Stefan W Hell, Alexander Egner and 1 more

Abstract read
PubMed Publisher
In one paragraph

Article in Nature neuroscience, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 185 papers.

0numbers the graph read from it
0cells of the map it votes in
185citing papers in PubMed
10.0field-weighted citation impact, top 1% 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

185 citing papers in PubMed, 350 citations in OpenAlex.

  1. Spontaneous Calcium Signalling in the Developing Mammalian Cochlea.Journal of the Association for Research in Otolaryngology : JARO · 2026
    Review
  2. Spontaneous CaExperimental physiology · 2026
    Article
  3. Article
  4. The RNA-binding protein TRIM71 is essential for hearing in humans and mice and times auditory sensory organ development.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  5. Article
  6. Article
  7. Article
  8. Gating of hair cell CaScience advances · 2025
    Article
  9. How Exceptional Is the Ear?Journal of the Association for Research in Otolaryngology : JARO · 2025
    Review
  10. Article
  11. Phenotypic changes of auditory nerve fibers after excitotoxicity.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  12. Article
  13. Article
  14. Article
  15. CaCommunications biology · 2024
    Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

125 more citing papers are in PubMed but not listed here.

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

11 authors at 4 institutions in 1 country.

Alexander C MeyerInnerEarLab, Department of Otolaryngology and Center for Molecular Physiology of the Brain, University of Göttingen, Göttingen, Germany.
Thomas Frank
Darina Khimich
Gerhard Hoch
Dietmar Riedel
Nikolai M Chapochnikov
Yury M Yarin
Benjamin Harke
Stefan W Hell
Alexander Egner
Tobias Moser
University of Göttingen · DEBernstein Center for Computational Neuroscience Göttingen · DEMax Planck Institute for Biophysical Chemistry · DEMax Planck Society · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cochlear inner hair cells (IHCs) transmit acoustic information to spiral ganglion neurons through ribbon synapses. Here we have used morphological and physiological techniques to ask whether synaptic mechanisms differ along the tonotopic axis and within IHCs in the mouse cochlea. We show that the number of ribbon synapses per IHC peaks where the cochlea is most sensitive to sound. Exocytosis, measured as membrane capacitance changes, scaled with synapse number when comparing apical and midcochlear IHCs. Synapses were distributed in the subnuclear portion of IHCs. High-resolution imaging of IHC synapses provided insights into presynaptic Ca(2+) channel clusters and Ca(2+) signals, synaptic ribbons and postsynaptic glutamate receptor clusters and revealed subtle differences in their average properties along the tonotopic axis. However, we observed substantial variability for presynaptic Ca(2+) signals, even within individual IHCs, providing a candidate presynaptic mechanism for the divergent dynamics of spiral ganglion neuron spiking.

Indexed as

3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAcoustic StimulationAlcohol OxidoreductasesAnimalsAnimals, NewbornCalbindinsCalciumCalcium Channel AgonistsCalcium Channels, L-TypeCalcium SignalingCochleaCo-Repressor ProteinsDNA-Binding ProteinsEvoked Potentials, Auditory, Brain StemExocytosisGerbillinae3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl esterAlcohol OxidoreductasesCacna1d protein, mouseCalbindinsCalciumCalcium Channel AgonistsCalcium Channels, L-TypeCo-Repressor ProteinsCtbp2 protein, mouseDNA-Binding Proteinsglutamate receptor ionotropic, AMPA 2PhosphoproteinsReceptors, AMPAS100 Calcium Binding Protein G

Identifiers

PMID19270686
OpenAlexW2134573308

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.