Evidence map›Paper›PMID 15199188›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2004

Methionine sulfoxide reductase A is important for lens cell viability and resistance to oxidative stress.

Marc Kantorow, John R Hawse, Tracy L Cowell, Sonia Benhamed, Gresin O Pizarro, Venkat N Reddy, J F Hejtmancik

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
4.8field-weighted citation impact, top 4% 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

58 citing papers in PubMed, 180 citations in OpenAlex.

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  14. Astragaloside IV rescues MPPExperimental and therapeutic medicine · 2017
    Article
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  18. Hormonal Regulation of Response to Oxidative Stress in Insects-An Update.International journal of molecular sciences · 2015
    Review
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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.

Marc KantorowBiomedical Sciences, Florida Atlantic University, Boca Raton, FL 33431, USA. mkantoro@fau.edu
John R Hawse
Tracy L Cowell
Sonia Benhamed
Gresin O Pizarro
Venkat N Reddy
J F Hejtmancik
National Eye Institute · USFlorida Atlantic University · USNational Institutes of Health · US

Funding

INHERITED OCULAR DISEASESZ01EY000272 · NEI · NATIONAL EYE INSTITUTE · PI HEJTMANCIK, JAMES F. · 1991 to 2008
$4.8M
Molecular Analysis of Microdissected Human LensesR01EY013022 · NEI · WEST VIRGINIA UNIVERSITY · PI KANTOROW, MARC · 1999 to 2013
$3.8M
Clinical/molecular Study In Congenital/Heredity CataractZ01EY000281 · NEI · NATIONAL EYE INSTITUTE · PI HEJTMANCIK, JAMES F. · 1993 to 2008
$1.8M
NEI NIH HHS EY13022NEI NIH HHS R01 EY013022
6 · The paper itself

Abstract

Age-related cataract, an opacity of the eye lens, is the leading cause of visual impairment in the elderly, the etiology of which is related to oxidative stress damage. Oxidation of methionine to methionine sulfoxide is a major oxidative stress product that reaches levels as high as 60% in cataract while being essentially absent from clear lenses. Methionine oxidation results in loss of protein function that can be reversed through the action of methionine sulfoxide reductase A (MsrA), which is implicated in oxidative stress protection and is an essential regulator of longevity in species ranging from Escherichia coli to mice. To establish a role for MsrA in lens protection against oxidative stress, we have examined the levels and spatial expression patterns of MsrA in the human lens and have tested the ability of MsrA to protect lens cells directly against oxidative stress. In the present report, we establish that MsrA is present throughout the human lens, where it is likely to defend lens cells and their components against methionine oxidation. We demonstrate that overexpression of MsrA protects lens cells against oxidative stress damage, whereas silencing of the MsrA gene renders lens cells more sensitive to oxidative stress damage. We also provide evidence that MsrA is important for lens cell function in the absence of exogenous stress. Collectively, these data implicate MsrA as a key player in lens cell viability and resistance to oxidative stress, a major factor in the etiology of age-related cataract.

Indexed as

Cells, CulturedCell SurvivalGene Expression RegulationGene SilencingHumansHydrogen PeroxideLens, CrystallineMethionine Sulfoxide ReductasesOxidative StressOxidoreductasesRNA, MessengerRNA, Small InterferingHydrogen Peroxidemethionine sulfoxide reductaseMethionine Sulfoxide ReductasesOxidoreductasesRNA, MessengerRNA, Small Interfering

Identifiers

PMID15199188
PMCPMC470730
OpenAlexW2032608099

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.