Evidence map›Paper›PMID 15113880›Full record

ArticleJournal of virology2004

Treatment of transmissible spongiform encephalopathy by intraventricular drug infusion in animal models.

Katsumi Doh-ura, Kensuke Ishikawa, Ikuko Murakami-Kubo, Kensuke Sasaki, Shirou Mohri, Richard Race, Toru Iwaki

Open access · greenAbstract read
In one paragraph

Article in Journal of virology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 86 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
86citing papers in PubMed, 1 pooled it
5.8field-weighted citation impact, top 3% 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

86 citing papers in PubMed, 1 synthesis or guideline pooled it, 225 citations in OpenAlex.

  1. Pooled it
  2. In vivo detection of prion amyloid plaques using [(11)C]BF-227 PET.European journal of nuclear medicine and molecular imaging · 2010
    Trial
  3. Trial
  4. Article
  5. Review
  6. Review
  7. Article
  8. Review
  9. Delayed progression of prion disease in mice by polyarginine-facilitated prevention of PrPNeurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
    Article
  10. Article
  11. Article
  12. Article
  13. Organoids for modeling prion diseases.Cell and tissue research · 2023
    Review
  14. The Effect ofInternational journal of molecular sciences · 2022
    Article
  15. Review
  16. Article
  17. Review
  18. Article
  19. 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
  20. Review

26 more citing papers are in PubMed but not listed here.

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 1 institution in 2 countries.

Katsumi Doh-uraDepartment of Neuropathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan. doh-ura@mail.tains.tohoku.ac.jp
Kensuke Ishikawa
Ikuko Murakami-Kubo
Kensuke Sasaki
Shirou Mohri
Richard Race
Toru Iwaki
National Institutes of Health · US

Funding

Study of TSE transmission and therapy Z01AI000265 · NIAID · NIAID EXTRAMURAL ACTIVITIES · PI RACE, RICHARD · 1985 to 2007
$2.1M
6 · The paper itself

Abstract

The therapeutic efficacy of direct drug infusion into the brain, the target organ of transmissible spongiform encephalopathies, was assessed in transgenic mice intracerebrally infected with 263K scrapie agent. Pentosan polysulfate (PPS) gave the most dramatic prolongation of the incubation period, and amphotericin B had intermediate effects, but antimalarial drugs such as quinacrine gave no significant prolongation. Treatment with the highest dose of PPS at an early or late stage of the infection prolonged the incubation time by 2.4 or 1.7 times that of the control mice, respectively. PPS infusion decreased not only abnormal prion protein deposition but also neurodegenerative changes and infectivity. These alterations were observed within the brain hemisphere fitted with an intraventricular infusion cannula but not within the contralateral hemisphere, even at the terminal disease stage long after the infusion had ended. Therapeutic effects of PPS were also demonstrated in mice infected with either RML agent or Fukuoka-1 agent. However, at doses higher than that providing the maximal effects, intraventricular PPS infusion caused adverse effects such as hematoma formation in the experimental animals. These findings indicate that intraventricular PPS infusion might be useful for the treatment of transmissible spongiform encephalopathies in humans, providing that the therapeutic dosage is carefully evaluated.

Indexed as

AnimalsBrainDisease Models, AnimalMicePentosan Sulfuric PolyesterPrion DiseasesPrionsPentosan Sulfuric PolyesterPrions

Identifiers

PMID15113880
PMCPMC400350
OpenAlexW2151541409

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.