Evidence map›Paper›PMID 21148290›Full record

ArticleMolecular biology of the cell2011

Myosin VI and its binding partner optineurin are involved in secretory vesicle fusion at the plasma membrane.

Lisa M Bond, Andrew A Peden, John Kendrick-Jones, James R Sellers, Folma Buss

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
3.9field-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

47 citing papers in PubMed, 85 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Review
  5. Rab32 regulates Golgi structure and cell migration through Protein Kinase A-mediated phosphorylation of Optineurin.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  6. Glaucoma Animal Models beyond Chronic IOP Increase.International journal of molecular sciences · 2024
    Review
  7. Article
  8. Quantitative Flow Cytometry-Based Assays for Measuring Constitutive Secretion.Methods in molecular biology (Clifton, N.J.) · 2021
    Article
  9. Article
  10. Article
  11. Recapitulating developmental mechanisms for retinal regeneration.Progress in retinal and eye research · 2020
    Review
  12. Review
  13. Genetic Regulation of Neuronal Progranulin Reveals a Critical Role for the Autophagy-Lysosome Pathway.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019
    Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
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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 3 institutions in 2 countries.

Lisa M BondCambridge Institute for Medical Research, University of Cambridge, Cambridge CB20XY, United Kingdom.
Andrew A Peden
John Kendrick-Jones
James R Sellers
Folma Buss
National Institutes of Health · USUniversity of Cambridge · GBMRC Laboratory of Molecular Biology · GB

Funding

Light Microscopy CoreZICHL006019 · NHLBI · NATIONAL HEART, LUNG, AND BLOOD INSTITUTE · PI COMBS, CHRISTIAN · 2009 to 2025
$29.3M
Function of Myosin VIZIAHL006048 · NHLBI · NATIONAL HEART, LUNG, AND BLOOD INSTITUTE · PI SELLERS, JAMES · 2010 to 2012
$599k
Medical Research Council MC_U105184323Wellcome Trust 086743
6 · The paper itself

Abstract

During constitutive secretion, proteins synthesized at the endoplasmic reticulum (ER) are transported to the Golgi complex for processing and then to the plasma membrane for incorporation or extracellular release. This study uses a unique live-cell constitutive secretion assay to establish roles for the molecular motor myosin VI and its binding partner optineurin in discrete stages of secretion. Small interfering RNA-based knockdown of myosin VI causes an ER-to-Golgi transport delay, suggesting an unexpected function for myosin VI in the early secretory pathway. Depletion of myosin VI or optineurin does not affect the number of vesicles leaving the trans-Golgi network (TGN), indicating that these proteins do not function in TGN vesicle formation. However, myosin VI and optineurin colocalize with secretory vesicles at the plasma membrane. Furthermore, live-cell total internal reflection fluorescence microscopy demonstrates that myosin VI or optineurin depletion reduces the total number of vesicle fusion events at the plasma membrane and increases both the proportion of incomplete fusion events and the number of docked vesicles in this region. These results suggest a novel role for myosin VI and optineurin in regulation of fusion pores formed between secretory vesicles and the plasma membrane during the final stages of secretion.

Indexed as

Membrane FusionBiological TransportCell Cycle ProteinsCell MembraneEndoplasmic ReticulumExocytosisFluorescent Antibody TechniqueGene Knockdown TechniquesGolgi ApparatusHeLa CellsHumansImmunoblottingMembrane ProteinsMembrane Transport ProteinsMicroscopy, FluorescenceMyosin Heavy ChainsCell Cycle ProteinsMembrane ProteinsMembrane Transport ProteinsMyosin Heavy Chainsmyosin VINuclear ProteinsOPTN protein, humanRNA, Small InterferingTranscription Factor TFIIIA

Identifiers

PMID21148290
PMCPMC3016977
OpenAlexW2109833400

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.