Evidence map›Paper›PMID 21457777›Full record

ArticleFree radical biology & medicine2011

NADPH-oxidase activation and cognition in Alzheimer disease progression.

Mubeen A Ansari, Stephen W Scheff

Open access · greenAbstract read
In one paragraph

Article in Free radical biology & medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers.

0numbers the graph read from it
0cells of the map it votes in
88citing papers in PubMed
7.3field-weighted citation impact, top 3% 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

88 citing papers in PubMed, 130 citations in OpenAlex.

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  15. SIRT7 Deficiency Protects against AβInternational journal of molecular sciences · 2022
    Article
  16. Review
  17. Article
  18. Unifying mechanism behind the onset of acquired epilepsy.Trends in pharmacological sciences · 2022
    Review
  19. Article
  20. Review

28 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

2 authors at 1 institution in 1 country.

Mubeen A AnsariSanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536, USA.
Stephen W Scheff
University of Kentucky · US

Funding

TAU, AB, SYNUCLEIN AND NITRATIVE/OXIDATIVE DAMAGE IN MCIP01AG014449 · NIA · UNIVERSITY OF PITTSBURGH · PI IKONOMOVIC, MILOS D · 1997 to 2024
$39.7M
University of Kentucky Alzheimer's Disease Core Center - Biomarker CoreP30AG028383 · NIA · UNIVERSITY OF KENTUCKY · PI SCHMITT, FREDERICK · 2006 to 2020
$23.3M
SYNAPTIC CHANGE IN MILD COGNITIVE IMPAIRMENTR01AG027219 · NIA · UNIVERSITY OF KENTUCKY · PI SCHEFF, STEPHEN W · 2006 to 2010
$1.3M
NIA NIH HHS AG028383NIA NIH HHS AG27219NIA NIH HHS P01 AG014449NIA NIH HHS P01 AG14449NIA NIH HHS P30 AG028383NIA NIH HHS R01 AG027219
6 · The paper itself

Abstract

Superoxide production via NADPH-oxidase (NOX) has been shown to play a role in a variety of neurological disorders, including Alzheimer disease (AD). To improve our understanding of the NOX system and cognitive impairment, we studied the various protein components of the phagocytic isoform (gp91(phox), or NOX2) in the frontal and temporal cortex of age- and postmortem-matched samples. Individuals underwent antemortem cognitive testing and postmortem histopathologic assessment to determine disease progression and assignment to one of the following groups: no cognitive impairment (NCI), preclinical AD, mild cognitive impairment (MCI), early AD, and mild-to-moderate AD. Biochemical methods were used to determine overall NOX activity as well as levels of the various subunits (gp91(phox), p67(phox), p47(phox), p40(phox), and p22(phox)). Overall enzyme activity was significantly elevated in the MCI cohort in both cortical regions compared to the NCI cohort. This activity level remained elevated in the AD groups. Only the NOX cytosolic subunit proteins (p67(phox), p47(phox), and p40(phox) ) were significantly elevated with disease progression; the membrane-bound subunits (gp91(phox) and p22(phox)) remained stable. In addition, there was a robust correlation between NOX activity and the individual's cognitive status such that as the enzyme activity increased, cognitive performance decreased. Collectively, these data show that upregulated NADPH-oxidase in frontal and temporal cortex suggests that increases in NOX-associated redox pathways might participate in early pathogenesis and contribute to AD progression.

Indexed as

CognitionDisease ProgressionAgedAged, 80 and overAlzheimer DiseaseBlotting, WesternEnzyme ActivationFemaleHumansMaleMembrane GlycoproteinsNADPH Oxidase 2NADPH OxidasesOxidative StressSuperoxidesCYBB protein, humanMembrane GlycoproteinsNADPH Oxidase 2NADPH OxidasesSuperoxides

Identifiers

PMID21457777
PMCPMC3109185
OpenAlexW2068872788

What OpenQuestion holds

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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.