Evidence map›Paper›PMID 19699297›Full record

ArticleFree radical biology & medicine2009

Neurotoxic lipid peroxidation species formed by ischemic stroke increase injury.

Stephanie L H Zeiger, Erik S Musiek, Giuseppe Zanoni, Giovanni Vidari, Jason D Morrow, Ginger J Milne, BethAnn McLaughlin

Abstract 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 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.2field-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

25 citing papers in PubMed, 44 citations in OpenAlex.

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  18. Isoprostane generation and function.Chemical reviews · 2011
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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 2 countries.

Stephanie L H ZeigerDepartment of Neurology, Vanderbilt University, Nashville, TN 37232, USA.
Erik S Musiek
Giuseppe Zanoni
Giovanni Vidari
Jason D Morrow
Ginger J Milne
BethAnn McLaughlin
Vanderbilt University · USUniversity of Pavia · ITHospital of the University of Pennsylvania · US

Funding

THREE-TIERED PREVENTION MODEL TO BETTER SERVE ALL STUDENP30HD015052 · NICHD · VANDERBILT UNIVERSITY · PI DYKENS, ELISABETH MAY · 1985 to 2014
$18.6M
Program in NeurogenomicsT32MH065215 · NIMH · VANDERBILT UNIVERSITY · PI ROGER J COLBRAN · 2002 to 2026
$6.4M
Cellular Mechanisms of Preconditioning NeuroprotectionR01NS050396 · NINDS · VANDERBILT UNIVERSITY · PI MCLAUGHLIN, BETHANN M · 2005 to 2009
$1.7M
NICHD NIH HHS P30 HD015052NICHD NIH HHS P30HD15052NIMH NIH HHS MH065215NIMH NIH HHS T32 MH065215NINDS NIH HHS NS050396NINDS NIH HHS R01 NS050396
6 · The paper itself

Abstract

Stroke is the third leading cause of death in the United States, yet no neuroprotective agents for treatment are clinically available. There is a pressing need to understand the signaling molecules that mediate ischemic cell death and identify novel neuroprotective targets. Cyclopentenone isoprostanes (IsoPs), formed after free radical-mediated peroxidation of arachidonic acid, are used as markers of stress, but their bioactivity is poorly understood. We have recently shown that 15-A(2t)-IsoP is a potent neurotoxin in vitro and increases the free radical burden in neurons. In this work, we demonstrate that 15-A(2t)-IsoP is abundantly produced in stroke-infarcted human cortical tissue. Using primary neuronal cultures we found that minimally toxic exposure to 15-A(2t)-IsoP does not alter ATP content, but in combination with oxygen glucose deprivation resulted in a significant hyperpolarization of the mitochondrial membrane and dramatically increased neuronal cell death. In the presence of Ca(2+), 15-A(2t)-IsoP led to a rapid induction of the permeability transition pore and release of cytochrome c. Taken with our previous work, these data support a model in which ischemia causes generation of reactive oxygen species, calcium influx, lipid peroxidation, and 15-A(2t)-IsoP formation. These factors combine to enhance opening of the permeability transition pore leading to cell death subsequent to mitochondrial cytochrome c release. These data are the first documentation of significant 15-A(2t)-IsoP formation after acute ischemic stroke and suggest that the addition of 15-A(2t)-IsoP to in vitro models of ischemia may help to more fully recapitulate stroke injury.

Indexed as

Lipid PeroxidationAnimalsCalciumCells, CulturedCytochromes cDose-Response Relationship, DrugHumansMass SpectrometryMitochondriaNeuronsProstaglandins ARatsRats, Sprague-DawleyReactive Oxygen SpeciesReperfusion InjuryStroke8-isoprostaglandin A2CalciumCytochromes cProstaglandins AReactive Oxygen Species

Identifiers

PMID19699297
PMCPMC2767385
OpenAlexW2065759814

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.