Evidence map›Paper›PMID 33564035›Full record

ArticleScientific reports2021

Astrocytic expression of the Alzheimer's disease risk allele, ApoEε4, potentiates neuronal tau pathology in multiple preclinical models.

Angela Marie Jablonski, Lee Warren, Marija Usenovic, Heather Zhou, Jonathan Sugam, Sophie Parmentier-Batteur, Bhavya Voleti

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

23 citing papers in PubMed, 32 citations in OpenAlex.

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  19. Transgenic Mouse Models of Alzheimer's Disease: An Integrative Analysis.International journal of molecular sciences · 2022
    Review
  20. Frontiers in neurology · 2022
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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 2 institutions in 1 country.

Angela Marie JablonskiNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA. angela.jablonski@merck.com.
Lee WarrenNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA.
Marija UsenovicNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA.
Heather ZhouGenetics and Pharmacogenomics, MRL, Merck & Co., Inc, 2000 Galloping Hill Rd, Kenilworth, NJ, 07033, USA.
Jonathan SugamNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA.
Sophie Parmentier-BatteurNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA.
Bhavya VoletiNeuroscience, MRL, Merck & Co., Inc, 770 Sumneytown Pike, West Point, PA, 19486, USA. bhavya.voleti@merck.com.
United States Military Academy · USMerck & Co., Inc., Rahway, NJ, USA (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

ApoEε4 is a major genetic risk factor for Alzheimer's disease (AD), a disease hallmarked by extracellular amyloid-beta (Aβ) plaques and intracellular neurofibrillary tangles (NFTs). The presence of the ApoEε4 allele is associated with increased Aβ deposition and a role for ApoEε4 in the potentiation of tau pathology has recently emerged. This study focused on comparing the effects of adeno-associated virus (AAV)-mediated overexpression of the three predominant human ApoE isoforms within astrocytes. The isoform-specific effects of human ApoE were evaluated within in vitro models of tau pathology within neuron/astrocyte co-cultures, as well as in a transgenic tau mouse model. Tau aggregation, accumulation, and phosphorylation were measured to determine if the three isoforms of human ApoE had differential effects on tau. Astrocytic overexpression of the human ApoEε4 allele increased phosphorylation and misfolding of overexpressed neuronal tau in multiple models, including the aggregation and accumulation of added tau oligomers, in an isoform-specific manner. The ability of ApoEε4 to increase tau aggregation could be inhibited by an ApoEε4-specific antibody. This study indicates that astrocytic expression of ApoEε4 can potentiate tau aggregation and phosphorylation within neurons and supports a gain of toxic function hypothesis for the effect of hApoEε4 on tau.

Indexed as

AllelesGene Expression RegulationProtein Aggregatestau ProteinsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsApolipoprotein E4AstrocytesDisease Models, AnimalRatsRats, Sprague-DawleyAmyloid beta-PeptidesApolipoprotein E4Mapt protein, ratProtein Aggregatestau Proteins

Identifiers

PMID33564035
PMCPMC7873246
OpenAlexW3126672269

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.