Evidence map›Paper›PMID 33901197›Full record

ArticlePloS one2021

Transport of Alzheimer's associated amyloid-β catalyzed by P-glycoprotein.

James W McCormick, Lauren A McCormick, Gang Chen, Pia D Vogel, John G Wise

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.5field-weighted citation impact, top 8% 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

18 citing papers in PubMed, 38 citations in OpenAlex.

  1. Review
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  5. Article
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  8. [Neurology international · 2024
    Article
  9. OATP1A2 mediates AβFrontiers in pharmacology · 2024
    Article
  10. Article
  11. Genetics ofCancers · 2023
    Review
  12. Review
  13. Article
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  15. Article
  16. Review
  17. Article
  18. Article
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

5 authors at 1 institution in 1 country.

James W McCormickDepartment of Biological Sciences, Southern Methodist University, Dallas, Texas, United States of America.
Lauren A McCormick *Department of Biological Sciences, Southern Methodist University, Dallas, Texas, United States of America.ORCID 0000-0001-9164-0932
Gang ChenDepartment of Biological Sciences, Southern Methodist University, Dallas, Texas, United States of America.
Pia D VogelDepartment of Biological Sciences, Southern Methodist University, Dallas, Texas, United States of America.
John G WiseDepartment of Biological Sciences, Southern Methodist University, Dallas, Texas, United States of America.ORCID 0000-0001-5398-8794
Southern Methodist University · US

Funding

In vitro testing of P-glycoprotein inhibitors identified from in silico databaseR15GM094771 · NIGMS · SOUTHERN METHODIST UNIVERSITY · PI WISE, JOHN GREGORY · 2011 to 2015
$666k
NIGMS NIH HHS R15 GM094771
6 · The paper itself

Abstract

P-glycoprotein (P-gp) is a critical membrane transporter in the blood brain barrier (BBB) and is implicated in Alzheimer's disease (AD). However, previous studies on the ability of P-gp to directly transport the Alzheimer's associated amyloid-β (Aβ) protein have produced contradictory results. Here we use molecular dynamics (MD) simulations, transport substrate accumulation studies in cell culture, and biochemical activity assays to show that P-gp actively transports Aβ. We observed transport of Aβ40 and Aβ42 monomers by P-gp in explicit MD simulations of a putative catalytic cycle. In in vitro assays with P-gp overexpressing cells, we observed enhanced accumulation of fluorescently labeled Aβ42 in the presence of Tariquidar, a potent P-gp inhibitor. We also showed that Aβ42 stimulated the ATP hydrolysis activity of isolated P-gp in nanodiscs. Our findings expand the substrate profile of P-gp, and suggest that P-gp may contribute to the onset and progression of AD.

Indexed as

Adenosine TriphosphateAlzheimer DiseaseAmyloid beta-PeptidesATP Binding Cassette Transporter, Subfamily B, Member 1BiocatalysisBlood-Brain BarrierCell Line, TumorDisease ProgressionHumansHydrolysisLigandsMolecular Docking SimulationMolecular Dynamics SimulationPeptide FragmentsProtein BindingProtein Conformation, beta-StrandAdenosine TriphosphateAmyloid beta-Peptidesamyloid beta-protein (1-40)amyloid beta-protein (1-42)ATP Binding Cassette Transporter, Subfamily B, Member 1LigandsPeptide FragmentsQuinolinestariquidar

Identifiers

PMID33901197
PMCPMC8075256
OpenAlexW3157893249

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.