Evidence map›Paper›PMID 25358731›Full record

ArticleInvestigative ophthalmology & visual science2014

Acetylation preserves retinal ganglion cell structure and function in a chronic model of ocular hypertension.

Oday Alsarraf, Jie Fan, Mohammad Dahrouj, C James Chou, Phillip W Yates, Craig E Crosson

Open access · hybridAbstract read
In one paragraph

Article in Investigative ophthalmology & visual science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.1field-weighted citation impact, top 22% 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

24 citing papers in PubMed, 37 citations in OpenAlex.

  1. Trial
  2. Review
  3. Review
  4. Article
  5. Retinoid X receptor agonist 9CDHRA mitigates retinal ganglion cell apoptosis and neuroinflammation in a mouse model of glaucoma.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Article
  6. Article
  7. Article
  8. Posttranslational modifications of proteins in diseased retina.Frontiers in cellular neuroscience · 2023
    Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Changes in Class I and IIb HDACs by δ-Opioid in Chronic Rat Glaucoma Model.Investigative ophthalmology & visual science · 2020
    Article
  15. Article
  16. Article
  17. Article
  18. HDAC2 Regulates Glial Cell Activation in Ischemic Mouse Retina.International journal of molecular sciences · 2019
    Article
  19. Targeting HDAC3 Activity with RGFP966 Protects Against Retinal Ganglion Cell Nuclear Atrophy and Apoptosis After Optic Nerve Injury.Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics · 2018
    Article
  20. 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 1 institution in 1 country.

Oday AlsarrafStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
Jie FanStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
Mohammad DahroujStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
C James ChouStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
Phillip W YatesStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
Craig E CrossonStorm Eye Institute, Department of Ophthalmology, Medical University of South Carolina, Charleston, South Carolina, United States.
Medical University of South Carolina · US

Funding

Protein Acetylation in Glaucomatous Optic NeuropathyR01EY021368 · NEI · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI CROSSON, CRAIG E. · 2011 to 2014
$1.4M
NEI NIH HHS R01 EY021368NEI NIH HHS R01EY021368
6 · The paper itself

Abstract

purposeThe current studies investigate if the histone deacetylase (HDAC) inhibitor, valproic acid (VPA), can limit retinal ganglion cell (RGC) degeneration in an ocular-hypertensive rat model.

methodsIntraocular pressure (IOP) was elevated unilaterally in Brown Norway rats by hypertonic saline injection. Rats received either vehicle or VPA (100 mg/kg) treatment for 28 days. Retinal ganglion cell function and number were assessed by pattern electroretinogram (pERG) and retrograde FluoroGold labeling. Western blotting and a fluorescence assay were used for determination of histone H3 acetylation and HDAC activity, respectively, at 3-day, 1-week, and 2-week time points.

resultsHypertonic saline injections increased IOPs by 7 to 14 mm Hg. In vehicle-treated animals, ocular hypertension resulted in a 29.1% and 39.4% decrease in pERG amplitudes at 2 and 4 weeks, respectively, and a 42.9% decrease in mean RGC density at 4 weeks. In comparison, VPA treatment yielded significant amplitude preservation at 2 and 4 weeks and showed significant RGC density preservation at 4 weeks. No significant difference in RGC densities or IOPs was measured between control eyes of vehicle- and VPA-treated rats. In ocular-hypertensive eyes, class I HDAC activity was significantly elevated within 1 week (13.3 ± 2.2%) and histone H3 acetylation was significantly reduced within 2 weeks following the induction of ocular hypertension.

conclusionsIncrease in HDAC activity is a relatively early retinal event induced by elevated IOP, and suppressing HDAC activity can protect RGCs from ocular-hypertensive stress. Together these data provide a basis for developing HDAC inhibitors for the treatment of optic neuropathies.

Indexed as

Intraocular PressureAcetylationAcetyltransferasesAnimalsBlotting, WesternChronic DiseaseDisease Models, AnimalElectroretinographyEnzyme InhibitorsFemaleHistone Deacetylase InhibitorsImmunohistochemistryMaleOcular HypertensionRatsRats, Inbred BNAcetyltransferasesEnzyme InhibitorsHistone Deacetylase InhibitorsValproic Acidacetylationneuroprotectionocular hypertensionretina

Identifiers

PMID25358731
PMCPMC4240722
OpenAlexW2313526677

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.