Evidence map›Paper›PMID 34201955›Full record

ReviewCells2021

The Influence of Mitochondrial Dynamics and Function on Retinal Ganglion Cell Susceptibility in Optic Nerve Disease.

Nicole A Muench, Sonia Patel, Margaret E Maes, Ryan J Donahue, Akihiro Ikeda, Robert W Nickells

Open access · goldAbstract readReview
In one paragraph

Review in Cells, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 1 pooled it
5.0field-weighted citation impact, top 3% 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

46 citing papers in PubMed, 1 synthesis or guideline pooled it, 78 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Mitochondrial Resilience in Glaucoma: Targeting NADDiseases (Basel, Switzerland) · 2026
    Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Review
  16. Article
  17. Review
  18. Article
  19. Glaucomatous retinal ganglion cells: death and protection.International journal of ophthalmology · 2025
    Review
  20. The role of RGC degeneration in the pathogenesis of glaucoma.International journal of biological sciences · 2025
    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

6 authors at 3 institutions in 2 countries.

Nicole A MuenchDepartment of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI 53706, USA.
Sonia PatelDepartment of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI 53706, USA.
Margaret E MaesInstitute of Science and Technology Austria, 3400 Klosterneuburg, Austria.
Ryan J DonahueDepartment of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI 53706, USA.ORCID 0000-0003-2519-0763
Akihiro IkedaDepartment of Medical Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA.ORCID 0000-0001-8440-3891
Robert W NickellsDepartment of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI 53706, USA.
University of Wisconsin–Madison · USBoston Children's Hospital · USInstitute of Science and Technology Austria · AT

Funding

UW Vision Research Core - Administrative CoreP30EY016665 · NEI · UNIVERSITY OF WISCONSIN-MADISON · PI AKIHIRO IKEDA · 2005 to 2026
$12.6M
Molecular Genetics of Age-Dependent Retinal DegenerationR01EY022086 · NEI · UNIVERSITY OF WISCONSIN-MADISON · PI AKIHIRO IKEDA · 2012 to 2026
$6.1M
Targeting BAX as a Therapeutic for Protection of Retinal Ganglion CellsR01EY030123 · NEI · UNIVERSITY OF WISCONSIN-MADISON · PI NICKELLS, ROBERT W · 2019 to 2022
$1.9M
Vision Research Training ProgramT32EY027721 · NEI · UNIVERSITY OF WISCONSIN-MADISON · PI ROBERT W NICKELLS · 2018 to 2026
$1.5M
NEI NIH HHS P30 EY016665NEI NIH HHS R01 EY022086NEI NIH HHS R01 EY030123NEI NIH HHS T32 EY027721
6 · The paper itself

Abstract

The important roles of mitochondrial function and dysfunction in the process of neurodegeneration are widely acknowledged. Retinal ganglion cells (RGCs) appear to be a highly vulnerable neuronal cell type in the central nervous system with respect to mitochondrial dysfunction but the actual reasons for this are still incompletely understood. These cells have a unique circumstance where unmyelinated axons must bend nearly 90° to exit the eye and then cross a translaminar pressure gradient before becoming myelinated in the optic nerve. This region, the optic nerve head, contains some of the highest density of mitochondria present in these cells. Glaucoma represents a perfect storm of events occurring at this location, with a combination of changes in the translaminar pressure gradient and reassignment of the metabolic support functions of supporting glia, which appears to apply increased metabolic stress to the RGC axons leading to a failure of axonal transport mechanisms. However, RGCs themselves are also extremely sensitive to genetic mutations, particularly in genes affecting mitochondrial dynamics and mitochondrial clearance. These mutations, which systemically affect the mitochondria in every cell, often lead to an optic neuropathy as the sole pathologic defect in affected patients. This review summarizes knowledge of mitochondrial structure and function, the known energy demands of neurons in general, and places these in the context of normal and pathological characteristics of mitochondria attributed to RGCs.

Indexed as

Mitochondrial DynamicsAnimalsEnergy MetabolismHumansMitochondriaMolecular Targeted TherapyOptic Nerve DiseasesRetinal Ganglion Cellsdominant optic atrophyglaucomametabolismmitochondrianeurodegenerationoptic nerveretinal ganglion cells

Identifiers

PMID34201955
PMCPMC8306483
OpenAlexW3175107855

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.