Evidence map›Paper›PMID 22385127›Full record

ArticlePhotochemistry and photobiology

Light-induced retinal degeneration is prevented by zinc, a component in the age-related eye disease study formulation.

Daniel Organisciak, Paul Wong, Christine Rapp, Ruth Darrow, Alison Ziesel, Rekha Rangarajan, John Lang

Abstract read
In one paragraph

Article in Photochemistry and photobiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

18 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Review
  3. Gut Microbiota Profiles in Myopes and Nonmyopes.Investigative ophthalmology & visual science · 2024
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Review
  9. Review
  10. Zinc and Autophagy in Age-Related Macular Degeneration.International journal of molecular sciences · 2020
    Review
  11. Review
  12. Review
  13. Article
  14. Article
  15. Zinc and diabetic retinopathy.Journal of diabetes research · 2013
    Article
  16. Article
  17. Article
  18. 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

7 authors at 3 institutions in 1 country.

Daniel OrganisciakPetticrew Research Laboratory, Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, OH, USA. dto@wright.edu
Paul Wong
Christine Rapp
Ruth Darrow
Alison Ziesel
Rekha Rangarajan
John Lang
Wright State University · USAlcon (United States) · USEmory University · US

Funding

P30-Core Grant for Vision Research Core CP30EY006360 · NEI · EMORY UNIVERSITY · PI BOATRIGHT, JEFFREY H · 1986 to 2025
$15.3M
NEI NIH HHS P30 EY 006360NEI NIH HHS P30 EY006360
6 · The paper itself

Abstract

Mineral supplements are often included in multivitamin preparations because of their beneficial effects on metabolism. In this study, we used an animal model of light-induced retinal degeneration to test for photoreceptor cell protection by the essential trace element zinc. Rats were treated with various doses of zinc oxide and then exposed to intense visible light for as long as 8 h. Zinc treatment effectively prevented retinal light damage as determined by rhodopsin and retinal DNA recovery, histology and electrophoretic analysis of DNA damage and oxidized retinal proteins. Zinc oxide was particularly effective when given before light exposure and at doses two- to four-fold higher than recommended by the age-related eye disease study group. Treated rats exhibited higher serum and retinal pigment epithelial zinc levels and an altered retinal gene expression profile. Using an Ingenuity database, 512 genes with known functional annotations were found to be responsive to zinc supplementation, with 45% of these falling into a network related to cellular growth, proliferation, cell cycle and death. Although these data suggest an integrated and extensive regulatory response, zinc induced changes in gene expression also appear to enhance antioxidative capacity in retina and reduce oxidative damage arising from intense light exposure.

Indexed as

AnimalsGene Expression RegulationLightMaleRatsRats, Sprague-DawleyRetinaRetinal DegenerationZincZinc

Identifiers

PMID22385127
PMCPMC4544865
OpenAlexW2067862739

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.