Evidence map›Paper›PMID 25181483›Full record

ArticlePloS one2014

Comparison of the anti-prion mechanism of four different anti-prion compounds, anti-PrP monoclonal antibody 44B1, pentosan polysulfate, chlorpromazine, and U18666A, in prion-infected mouse neuroblastoma cells.

Takeshi Yamasaki, Akio Suzuki, Rie Hasebe, Motohiro Horiuchi

Open access · goldAbstract readComparative Study
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.4field-weighted citation impact, top 19% 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

20 citing papers in PubMed, 31 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Unfolded and intermediate states of PrP play a key role in the mechanism of action of an antiprion chaperone.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  8. Neural regeneration research · 2021
    Review
  9. Article
  10. The role of prion strain diversity in the development of successful therapeutic treatments.Progress in molecular biology and translational science · 2020
    Review
  11. Review
  12. Article
  13. Article
  14. Review
  15. Flow Cytometric Detection of PrPJournal of virology · 2018
    Article
  16. Antiviral activity of cationic amphiphilic drugs.Expert review of anti-infective therapy · 2017
    Review
  17. Article
  18. Article
  19. Article
  20. 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

4 authors at 1 institution in 1 country.

Takeshi YamasakiLaboratory of Veterinary Hygiene, Graduate School of Veterinary Medicine, Hokkaido University, Kita-ku, Sapporo, Japan.
Akio SuzukiLaboratory of Veterinary Hygiene, Graduate School of Veterinary Medicine, Hokkaido University, Kita-ku, Sapporo, Japan.
Rie HasebeLaboratory of Veterinary Hygiene, Graduate School of Veterinary Medicine, Hokkaido University, Kita-ku, Sapporo, Japan.
Motohiro HoriuchiLaboratory of Veterinary Hygiene, Graduate School of Veterinary Medicine, Hokkaido University, Kita-ku, Sapporo, Japan.
Hokkaido University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Molecules that inhibit the formation of an abnormal isoform of prion protein (PrP(Sc)) in prion-infected cells are candidate therapeutic agents for prion diseases. Understanding how these molecules inhibit PrP(Sc) formation provides logical basis for proper evaluation of their therapeutic potential. In this study, we extensively analyzed the effects of the anti-PrP monoclonal antibody (mAb) 44B1, pentosan polysulfate (PPS), chlorpromazine (CPZ) and U18666A on the intracellular dynamics of a cellular isoform of prion protein (PrP(C)) and PrP(Sc) in prion-infected mouse neuroblastoma cells to re-evaluate the effects of those agents. MAb 44B1 and PPS rapidly reduced PrP(Sc) levels without altering intracellular distribution of PrP(Sc). PPS did not change the distribution and levels of PrP(C), whereas mAb 44B1 appeared to inhibit the trafficking of cell surface PrP(C) to organelles in the endocytic-recycling pathway that are thought to be one of the sites for PrP(Sc) formation. In contrast, CPZ and U18666A initiated the redistribution of PrP(Sc) from organelles in the endocytic-recycling pathway to late endosomes/lysosomes without apparent changes in the distribution of PrP(C). The inhibition of lysosomal function by monensin or bafilomycin A1 after the occurrence of PrP(Sc) redistribution by CPZ or U18666A partly antagonized PrP(Sc) degradation, suggesting that the transfer of PrP(Sc) to late endosomes/lysosomes, possibly via alteration of the membrane trafficking machinery of cells, leads to PrP(Sc) degradation. This study revealed that precise analysis of the intracellular dynamics of PrP(C) and PrP(Sc) provides important information for understanding the mechanism of anti-prion agents.

Indexed as

AndrostenesAnimalsAntibodies, Monoclonal, Murine-DerivedCell Line, TumorChlorpromazineEndosomesLysosomesMicePentosan Sulfuric PolyesterPrion DiseasesPrionsProtein TransportProteolysisPrPC ProteinsPrPSc ProteinsSubcellular Fractions3-beta-(2-(diethylamino)ethoxy)androst-5-en-17-oneAndrostenesAntibodies, Monoclonal, Murine-DerivedChlorpromazinePentosan Sulfuric PolyesterPrionsPrPC ProteinsPrPSc Proteins

Identifiers

PMID25181483
PMCPMC4152300
OpenAlexW2106963470

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.