Evidence map›Paper›PMID 22488900›Full record

ArticleEMBO molecular medicine2012

Modification of γ-secretase by nitrosative stress links neuronal ageing to sporadic Alzheimer's disease.

Francesc X Guix, Tina Wahle, Kristel Vennekens, An Snellinx, Lucía Chávez-Gutiérrez, Gerard Ill-Raga, Eva Ramos-Fernandez, Cristina Guardia-Laguarta, Alberto Lleó, Muriel Arimon and 4 more

Open access · goldAbstract read
In one paragraph

Article in EMBO molecular medicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
3.5field-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

44 citing papers in PubMed, 79 citations in OpenAlex.

  1. Review
  2. Neuroinflammation in Alzheimer disease.Nature reviews. Immunology · 2025
    Review
  3. Article
  4. Article
  5. Review
  6. Specific Binding of Alzheimer's Aβ Peptides to Extracellular Vesicles.International journal of molecular sciences · 2024
    Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
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  16. Article
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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

14 authors at 7 institutions in 3 countries.

Francesc X GuixVIB Center for Biology of Disease - VIB, Leuven, Belgium.
Tina Wahle
Kristel Vennekens
An Snellinx
Lucía Chávez-Gutiérrez
Gerard Ill-Raga
Eva Ramos-Fernandez
Cristina Guardia-Laguarta
Alberto Lleó
Muriel Arimon
Oksana Berezovska
Francisco J Muñoz
Carlos G Dotti
Bart De Strooper
KU Leuven · BEPompeu Fabra University · ESMassachusetts General Hospital · USVIB-KU Leuven Center for Cancer Biology · BEBiomedical Research Networking Center on Neurodegenerative Diseases · ESHospital de Sant Pau · ESUniversidad Autónoma de Madrid · ES

Funding

TRANSGENICS AND PRESENILIN FUNCTIONP01AG015379 · NIA · BRIGHAM AND WOMEN'S HOSPITAL · PI BEREZOVSKA, OKSANA, SELKOE, DENNIS J · 1998 to 2023
$51.3M
NIA NIH HHS AG15379NIA NIH HHS P01 AG015379
6 · The paper itself

Abstract

Inherited familial Alzheimer's disease (AD) is characterized by small increases in the ratio of Aβ42 versus Aβ40 peptide which is thought to drive the amyloid plaque formation in the brain of these patients. Little is known however whether ageing, the major risk factor for sporadic AD, affects amyloid beta-peptide (Aβ) generation as well. Here we demonstrate that the secretion of Aβ is enhanced in an in vitro model of neuronal ageing, correlating with an increase in γ-secretase complex formation. Moreover we found that peroxynitrite (ONOO(-)), produced by the reaction of superoxide anion with nitric oxide, promoted the nitrotyrosination of presenilin 1 (PS1), the catalytic subunit of γ-secretase. This was associated with an increased association of the two PS1 fragments, PS1-CTF and PS1-NTF, which constitute the active catalytic centre. Furthermore, we found that peroxynitrite shifted the production of Aβ towards Aβ(42) and increased the Aβ(42) /Aβ(40) ratio. Our work identifies nitrosative stress as a potential mechanistic link between ageing and AD.

Indexed as

Alzheimer DiseaseAmyloid beta-PeptidesAmyloid Precursor Protein SecretasesAnimalsBrainCatalytic DomainCells, CulturedCellular SenescenceHumansMiceNeuronsPeptide FragmentsPeroxynitrous AcidPresenilin-1Risk FactorsRNA InterferenceAmyloid beta-Peptidesamyloid beta-protein (1-40)amyloid beta-protein (1-42)Amyloid Precursor Protein SecretasesPeptide FragmentsPeroxynitrous AcidPresenilin-1RNA, Small InterferingSuperoxide DismutaseSuperoxide Dismutase 2

Identifiers

PMID22488900
PMCPMC3402223
OpenAlexW2163790333

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.