Evidence map›Paper›PMID 19121385›Full record

ArticleFree radical biology & medicine2009

Curcumin protects retinal cells from light-and oxidant stress-induced cell death.

Md Nawajes A Mandal, Jagan M R Patlolla, Lixin Zheng, Martin-Paul Agbaga, Julie-Thu A Tran, Lea Wicker, Anne Kasus-Jacobi, Michael H Elliott, Chinthalapally V Rao, Robert E Anderson

Open access · greenAbstract read
In one paragraph

Article in Free radical biology & medicine, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 111 papers.

0numbers the graph read from it
0cells of the map it votes in
111citing papers in PubMed
3.4field-weighted citation impact, top 7% 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

111 citing papers in PubMed, 216 citations in OpenAlex.

  1. Article
  2. [Geniposide inhibits retinal cell apoptosis induced by glaucoma through the Hspa1a pathway].Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2025
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  18. New Insights into Dose-Dependent Effects of Curcumin on ARPE-19 Cells.International journal of molecular sciences · 2022
    Article
  19. Article
  20. Review

51 more citing papers are in PubMed but not listed here.

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

10 authors at 2 institutions in 1 country.

Md Nawajes A MandalDepartment of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, 73104, USA. mmandal@ouhsc.edu
Jagan M R Patlolla
Lixin Zheng
Martin-Paul Agbaga
Julie-Thu A Tran
Lea Wicker
Anne Kasus-Jacobi
Michael H Elliott
Chinthalapally V Rao
Robert E Anderson
University of Oklahoma Health Sciences Center · USDean McGee Eye Institute · US

Funding

UNDERSTANDING THE ROLE OF RETINOL DEHYDROGENASES RDH11 AND RDH12 IN VISIONP20RR017703 · NCRR · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI MANDAL, NAWAJES · 2002 to 2011
$23.6M
ROLE OF LIPID PEROXIDATIONS IN RETINAL DEGENERATIONSR01EY004149 · NEI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI ANDERSON, ROBERT E · 1985 to 2018
$8.3M
SECOND MESSENGERS IN THE RETINAR01EY000871 · NEI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI RAJALA, RAJU VS · 1985 to 2020
$7.2M
CORE--MOLECULAR BIOLOGYP30EY012190 · NEI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI ANDERSON, ROBERT E · 1999 to 2009
$5.2M
PREVENTION OF CRC BY iNOS AND COX-2 SELECTIVE INHIBITORSR01CA109247 · NCI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI RAO, CHINTHALAPALLY V. · 2004 to 2008
$1.5M
NCI NIH HHS R01 CA109247NCRR NIH HHS P20 RR017703NCRR NIH HHS RR17703NEI NIH HHS EY00871NEI NIH HHS EY04149NEI NIH HHS EY12190NEI NIH HHS P30 EY012190NEI NIH HHS R01 EY000871NEI NIH HHS R01 EY004149PHS HHS NCI109247
6 · The paper itself

Abstract

Age-related macular degeneration (AMD) is a complex disease that has potential involvement of inflammatory and oxidative stress-related pathways in its pathogenesis. In search of effective therapeutic agents, we tested curcumin, a naturally occurring compound with known anti-inflammatory and antioxidative properties, in a rat model of light-induced retinal degeneration (LIRD) and in retina-derived cell lines. We hypothesized that any compound effective against LIRD, which involves significant oxidative stress and inflammation, would be a candidate for further characterization for its potential application in AMD. We observed significant retinal neuroprotection in rats fed diets supplemented with curcumin (0.2% in diet) for 2 weeks. The mechanism of retinal protection from LIRD by curcumin involves inhibition of NF-kappaB activation and down-regulation of cellular inflammatory genes. When tested on retina-derived cell lines (661W and ARPE-19), pretreatment of curcumin protected these cells from H(2)O(2)-induced cell death by up-regulating cellular protective enzymes, such as HO-1, thioredoxin. Since, curcumin with its pleiotropic activities can modulate the expression and activation of many cellular regulatory proteins such as NF-kappaB, AKT, NRF2, and growth factors, which in turn inhibit cellular inflammatory responses and protect cells; we speculate that curcumin would be an effective nutraceutical compound for preventive and augmentative therapy of AMD.

Indexed as

PhytotherapyAnimalsApoptosisCells, CulturedCurcuminCytoprotectionDietary SupplementsDisease Models, AnimalElectroretinographyGene Expression ProfilingHumansLightMacular DegenerationMiceNF-kappa BOxidative StressCurcuminNF-kappa B

Identifiers

PMID19121385
PMCPMC2810836
OpenAlexW2018935876

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.