Evidence map›Paper›PMID 21645162›Full record

ArticleBrain pathology (Zurich, Switzerland)2012

Mechanism of PrP-amyloid formation in mice without transmissible spongiform encephalopathy.

Martin Jeffrey, Gillian McGovern, Emily V Chambers, Declan King, Lorenzo González, Jean C Manson, Bernardino Ghetti, Pedro Piccardo, Rona M Barron

Open access · greenAbstract read
In one paragraph

Article in Brain pathology (Zurich, Switzerland), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.6field-weighted citation impact, top 17% 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

12 citing papers in PubMed, 21 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Insights into Mechanisms of Chronic Neurodegeneration.International journal of molecular sciences · 2016
    Review
  6. Article
  7. Article
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  9. 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

9 authors at 2 institutions in 1 country.

Martin JeffreyAnimal Health Veterinary Laboratories Agency, Pentlands Science Park, Bush Loan Penicuik, Midlothian, UK. martin.jeffrey@ahvla.gsi.gov.uk
Gillian McGovern
Emily V Chambers
Declan King
Lorenzo González
Jean C Manson
Bernardino Ghetti
Pedro Piccardo
Rona M Barron
University of Edinburgh · GBAnimal and Plant Health Agency · GB

Funding

Research Education ComponentP30AG010133 · NIA · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI SAYKIN, ANDREW J · 1991 to 2020
$37.3M
Biotechnology and Biological Sciences Research Council BBS/E/D/05241338Biotechnology and Biological Sciences Research Council BBS/E/D/20251967Biotechnology and Biological Sciences Research Council BBS/E/D/20251968NIAID NIH HHS Y01 AI004893NIAID NIH HHS Y1-AI-4893-02NIA NIH HHS P30 AG010133NIA NIH HHS P30AG 10133
6 · The paper itself

Abstract

Gerstmann-Sträussler-Scheinker (GSS) P102L disease is a familial form of a transmissible spongiform encephalopathy (TSE) that can present with or without vacuolation of neuropil. Inefficient disease transmission into 101LL transgenic mice was previously observed from GSS P102L without vacuolation. However, several aged, healthy mice had large plaques composed of abnormal prion protein (PrP(d)). Here we perform the ultrastructural characterization of such plaques and compare them with PrP(d) aggregates found in TSE caused by an infectious mechanism. PrP(d) plaques in 101LL mice varied in maturity, with some being composed of deposits without visible amyloid fibrils. PrP(d) was present on cell membranes in the vicinity of all types of plaques. In contrast to the unicentric plaques seen in infectious murine scrapie, the plaques seen in the current model were multicentric and were initiated by protofibrillar forms of PrP(d) situated on oligodendroglia, astrocytes and neuritic cell membranes. We speculate that the initial conversion process leading to plaque formation begins with membrane-bound PrP(C) but that subsequent fibrillization does not require membrane attachment. We also observed that the membrane alterations consistently seen in murine scrapie and other infectious TSEs were not present in 101LL mice with plaques, suggesting differences in the pathogenesis of these conditions.

Indexed as

AnimalsBrainCell MembraneDisease Models, AnimalGerstmann-Straussler-Scheinker DiseaseHumansMiceMice, TransgenicNeuritesNeurogliaPlaque, AmyloidPrion DiseasesPrionsVacuolesPrions

Identifiers

PMID21645162
PMCPMC3182302
OpenAlexW2099093150

What OpenQuestion holds

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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.