Evidence map›Paper›PMID 19773757›Full record

ArticleBritish journal of cancer2009

Synergistic anti-cancer effects of immunotoxin and cyclosporin in vitro and in vivo.

Y Andersson, O Engebraaten, Ø Fodstad

Abstract read
In one paragraph

Article in British journal of cancer, 2009. 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
–field-weighted citation impact
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.

  1. Article
  2. Article
  3. Review
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  7. Review
  8. Article
  9. Proline Isomerization as a Key Determinant for Hsp90-Toxin Interactions.Frontiers in cellular and infection microbiology · 2021
    Article
  10. Article
  11. Article
  12. Review
  13. Countering immunotoxin immunogenicity.British journal of cancer · 2016
    Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Expression of FK506 binding protein 65 (FKBP65) is decreased in epithelial ovarian cancer cells compared to benign tumor cells and to ovarian epithelium.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2011
    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

3 authors.

Y AnderssonDepartment of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, Rikshospitalet University Hospital, Oslo N-0310, Norway. Yvonne.Andersson@rr-research.no
O Engebraaten
Ø Fodstad

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe clinical use of immunotoxins (ITs) has been hampered by hepatotoxicity, and the induction of a strong human-anti-IT response. The human-anti-IT response results in neutralisation of the immunoconjugates, rendering repetitive treatment inefficacious.

methodsWe evaluated the combination of cyclosporin A (CsA) with various Pseudomonas exotoxin A-based ITs in human breast, cervical, and prostate cancer cell lines measured by protein synthesis, cell viability, and TUNEL assay. Furthermore, expression of essential proteins were analysed by western blot. We used cervical cancer model in nude rats to evaluate the anti-metastatic effect of the combination. The anti-immunogenic response by the CsA treatment was investigated in immunocompetent rats.

resultsThe combination of CsA with ITs caused remarkable synergistic cytotoxicity, in several cancer cell lines, characterised by protein synthesis inhibition, decreased cell viability, and an increased apoptotic index. Furthermore, the combination strongly inhibited formation of metastases in a cervical cancer model in nude rats with a statistically significant increase in median survival time of the combination-treated animals, as compared with those receiving a suboptimal dose of IT alone. Notably, we found in immunocompetent rats that the anti-IT immunoresponse elicited by repeated administration of IT was efficiently abrogated by CsA; notably the antibody responds towards the highly immunogenic PE was shown to be prevented.

conclusionThe combination of ITs and CsA might constitute a significant improvement in the clinical potential of systemic IT treatment of cancer patients.

Indexed as

AnimalsAntineoplastic AgentsApoptosisCell Line, TumorCyclosporineDrug SynergismFemaleHumansImmunotoxinsMaleNeoplasm MetastasisNeoplasms, ExperimentalRatsSirolimusTacrolimusAntineoplastic AgentsCyclosporineImmunotoxinsSirolimusTacrolimus

Identifiers

PMID19773757
PMCPMC2768448

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Registered trials

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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.