Evidence map›Paper›PMID 32709959›Full record

ReviewEye (London, England)2021

Functional imaging of mitochondria in retinal diseases using flavoprotein fluorescence.

Andrew X Chen, Thais F Conti, Grant L Hom, Tyler E Greenlee, Raffaele Raimondi, Isaac N Briskin, Collin A Rich, Reecha Kampani, Robert Engel, Sumit Sharma and 2 more

Open access · bronzeAbstract readReview
In one paragraph

Review in Eye (London, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
1.9field-weighted citation impact, top 13% 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

26 citing papers in PubMed, 53 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Review
  15. Observational
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article
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

12 authors at 2 institutions in 1 country.

Andrew X ChenCase Western Reserve University School of Medicine, Cleveland, OH, USA.
Thais F ContiCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.ORCID http://orcid.org/0000-0003-4729-0706
Grant L HomCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.
Tyler E GreenleeCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.ORCID http://orcid.org/0000-0003-0785-9099
Raffaele RaimondiCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.ORCID http://orcid.org/0000-0001-8472-7984
Isaac N BriskinDepartment of Quantitative Health Sciences, Cleveland Clinic, Cleveland, OH, USA.ORCID http://orcid.org/0000-0002-4022-0441
Collin A RichOcuSciences Inc., Ann Arbor, MI, USA.
Reecha KampaniCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.
Robert EngelCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.
Sumit SharmaCase Western Reserve University School of Medicine, Cleveland, OH, USA.
Katherine E TalcottCole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.
Rishi P SinghCase Western Reserve University School of Medicine, Cleveland, OH, USA. SINGHR@ccf.org.
Cleveland Clinic · USOvaScience (United States) · US

Funding

Cole Eye Institute Vision Science Training ProgramT32EY024236 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI ANAND-APTE, BELA · 2015 to 2025
$1.0M
Foundation for the National Institutes of Health (Foundation for the National Institutes of Health, Inc.) T32EY024236NEI NIH HHS T32 EY024236Research to Prevent Blindness (RPB) RPB2002RS
6 · The paper itself

Abstract

Mitochondria are critical for cellular energy production and homeostasis. Oxidative stress and associated mitochondrial dysfunction are integral components of the pathophysiology of retinal diseases, including diabetic retinopathy (DR), age-related macular degeneration, and glaucoma. Within mitochondria, flavoproteins are oxidized and reduced and emit a green autofluorescence when oxidized following blue light excitation. Recently, a noninvasive imaging device was developed to measure retinal flavoprotein fluorescence (FPF). Thus, oxidized FPF can act as a biomarker of mitochondrial dysfunction. This review article describes the literature surrounding mitochondrial FPF imaging in retinal disease. The authors describe the role of mitochondrial dysfunction in retinal diseases, experiments using FPF as a marker of mitochondrial dysfunction in vitro, the three generations of retinal FPF imaging devices, and the peer-reviewed publications that have examined FPF imaging in patients. Finally, the authors report their own study findings. Goals were to establish normative reference levels for FPF intensity and heterogeneity in healthy eyes, to compare between healthy eyes and eyes with diabetes and DR, and to compare across stages of DR. The authors present methods to calculate a patient's expected FPF values using baseline characteristics. FPF intensity and heterogeneity were elevated in diabetic eyes compared to age-matched control eyes, and in proliferative DR compared to diabetic eyes without retinopathy. In diabetic eyes, higher FPF heterogeneity was associated with poorer visual acuity. In conclusion, while current retinal imaging modalities frequently focus on structural features, functional mitochondrial imaging shows promise as a metabolically targeted tool to evaluate retinal disease.

Indexed as

Diabetic RetinopathyRetinal DiseasesFlavoproteinsFluorescenceHumansMitochondriaRetinaFlavoproteins

Identifiers

PMID32709959
PMCPMC7852520
OpenAlexW3045455947

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.