Evidence map›Paper›PMID 19158310›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2009

F-actin and myosin II accelerate catecholamine release from chromaffin granules.

Khajak Berberian, Alexis J Torres, Qinghua Fang, Kassandra Kisler, Manfred Lindau

Open access · hybridAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
4.0field-weighted citation impact, top 6% 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

62 citing papers in PubMed, 104 citations in OpenAlex.

  1. Membrane Merger Dynamics in Exocytosis and Endocytosis.Advances in experimental medicine and biology · 2026
    Review
  2. Review
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  4. High-speed imaging reveals the bimodal nature of dense core vesicle exocytosis.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  5. Review
  6. Article
  7. Multiple Roles of Actin in Exo- and Endocytosis.Frontiers in synaptic neuroscience · 2022
    Review
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  9. Article
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  11. Article
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2 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

5 authors at 2 institutions in 2 countries.

Khajak BerberianSchool of Applied and Engineering Physics, and Department of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA.
Alexis J Torres
Qinghua Fang
Kassandra Kisler
Manfred Lindau
Cornell University · USMax Planck Society · DE

Funding

CELLULAR AND MOLECULAR NEUROBIOLOGYT32GM007469 · NIGMS · CORNELL UNIVERSITY ITHACA · PI HARRIS-WARRICK, RONALD M · 1985 to 2011
$2.5M
Mechanisms of Fusion &Transmitter releaseR01NS038200 · NINDS · CORNELL UNIVERSITY ITHACA · PI LINDAU, MANFRED · 2000 to 2007
$2.3M
Mechanisms of fusion and transmitter release in neurosecretionR01GM085808 · NIGMS · CORNELL UNIVERSITY · PI LINDAU, MANFRED · 2008 to 2012
$1.7M
NIGMS NIH HHS 2T32 GM007469NIGMS NIH HHS R01 GM085808NIGMS NIH HHS T32 GM007469NINDS NIH HHS R01 NS038200NINDS NIH HHS R01-NS038200
6 · The paper itself

Abstract

The roles of nonmuscle myosin II and cortical actin filaments in chromaffin granule exocytosis were studied by confocal fluorescence microscopy, amperometry, and cell-attached capacitance measurements. Fluorescence imaging indicated decreased mobility of granules near the plasma membrane following inhibition of myosin II function with blebbistatin. Slower fusion pore expansion rates and longer fusion pore lifetimes were observed after inhibition of actin polymerization using cytochalasin D. Amperometric recordings revealed increased amperometric spike half-widths without change in quantal size after either myosin II inhibition or actin disruption. These results suggest that actin and myosin II facilitate release from individual chromaffin granules by accelerating dissociation of catecholamines from the intragranular matrix possibly through generation of mechanical forces.

Indexed as

ActinsAnimalsAzepinesCatecholaminesCattleCells, CulturedChromaffin CellsChromaffin GranulesCytochalasin DElectric CapacitanceExocytosisHeterocyclic Compounds, 4 or More RingsMicroscopy, ConfocalMyosin Type IINaphthalenesNucleic Acid Synthesis InhibitorsActinsAzepinesblebbistatinCatecholaminesCytochalasin DHeterocyclic Compounds, 4 or More RingsML 7Myosin Type IINaphthalenesNucleic Acid Synthesis Inhibitors

Identifiers

PMID19158310
PMCPMC2768403
OpenAlexW1991558060

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.