Evidence map›Paper›PMID 35220002›Full record

ArticleCell calcium2022

Dynamin 1 controls vesicle size and endocytosis at hippocampal synapses.

Bo Shi, Ying-Hui Jin, Ling-Gang Wu

Open access · greenAbstract read
In one paragraph

Article in Cell calcium, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.1field-weighted citation impact, top 29% 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

10 citing papers in PubMed, 10 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. The Structural and Functional Integrity of Rod Photoreceptor Ribbon Synapses Depends on Redundant Actions of Dynamins 1 and 3.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
    Article
  10. Review
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 2 countries.

Bo ShiNational Institute of Neurological Disorders and Stroke, 35 Convent Dr., Bethesda, MD 20892 United States; Biological Sciences Graduate Program, College of Computer, Mathematical, and Natural Sciences, University of Maryland, College Park, MD 20740 United States.
Ying-Hui JinNational Institute of Neurological Disorders and Stroke, 35 Convent Dr., Bethesda, MD 20892 United States; Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave, Guangzhou 510515, China.
Ling-Gang WuNational Institute of Neurological Disorders and Stroke, 35 Convent Dr., Bethesda, MD 20892 United States. Electronic address: wul@ninds.nih.gov.
National Institute of Neurological Disorders and Stroke · USNanfang Hospital · CN

Funding

Synaptic Vesicle ExocytosisZIANS003009 · NINDS · NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE · PI WU, LING GANG · 2009 to 2025
$31.2M
Synaptic Vesicle EndocytosisZIANS003105 · NINDS · NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE · PI WU, LING GANG · 2009 to 2025
$30.9M
Synaptic Vesicle Exocytosis and EndocytosisZ01NS003009 · NINDS · NEUROLOGICAL DISORDERS AND STROKE · PI WU, LING GANG · 2004 to 2008
$4.9M
Intramural NIH HHS Z01 NS003009Intramural NIH HHS ZIA NS003009Intramural NIH HHS ZIA NS003105
6 · The paper itself

Abstract

Following calcium-triggered vesicle exocytosis, endocytosis regenerates vesicles to maintain exocytosis and thus synaptic transmission, which underlies neuronal circuit activities. Although most molecules involved in endocytosis have been identified, it remains rather poorly understood how endocytic machinery regulates vesicle size. Vesicle size, together with the transmitter concentration inside the vesicle, determines the amount of transmitter the vesicle can release, the quantal size, that may control the strength of synaptic transmission. Here, we report that, surprisingly, knockout of the GTPase dynamin 1, the most abundant brain dynamin isoform known to catalyze fission of the membrane pit's neck (the last step of endocytosis), not only significantly slowed endocytosis but also increased the synaptic vesicle diameter by as much as ∼40-64% at cultured hippocampal synapses. Furthermore, dynamin 1 knockout increased the size of membrane pits, the precursor for endocytic vesicle formation. These results suggest an important function of dynamin other than its well-known fission function - control of vesicle size at the pit formation stage.

Indexed as

Dynamin ISynapsesDynaminsEndocytosisHippocampusDynamin IDynaminsDynaminEndocytosisHippocampusSynaptic transmissionVesicle recyclingVesicle size

Identifiers

PMID35220002
PMCPMC9009158
OpenAlexW4213026047

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.