Evidence map›Paper›PMID 19861961›Full record

ArticleBritish journal of cancer2009

Tumour-targeted delivery of TRAIL using Salmonella typhimurium enhances breast cancer survival in mice.

S Ganai, R B Arenas, N S Forbes

Open access · hybridAbstract 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 80 papers.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed
6.1field-weighted citation impact, top 4% 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

80 citing papers in PubMed, 173 citations in OpenAlex.

  1. Review
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  6. Designing live bacterial therapeutics for cancer.Advanced drug delivery reviews · 2025
    Review
  7. Review
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  10. Exploiting bacteria for cancer immunotherapy.Nature reviews. Clinical oncology · 2024
    Review
  11. Review
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  13. Article
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  15. Bacterial-Mediated Tumor Therapy: Old Treatment in a New Context.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023
    Review
  16. Pharmaceutics · 2023
    Article
  17. Review
  18. Article
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  20. Pharmaceutics · 2022
    Review

20 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

3 authors at 3 institutions in 1 country.

S GanaiProgram in Molecular and Cellular Biology, University of Massachusetts Amherst, Amherst, MA 01003, USA.
R B Arenas
N S Forbes
Baystate Medical Center · USPioneer (United States) · USUniversity of Massachusetts Amherst · US

Funding

Engineering Salmonella to be a targeted intratumoral anti-cancer therapeuticR01CA120825 · NCI · UNIVERSITY OF MASSACHUSETTS AMHERST · PI FORBES, NEIL S. · 2008 to 2011
$1.2M
NCI NIH HHS 1R01CA120825-01A1NCI NIH HHS R01 CA120825
6 · The paper itself

Abstract

backgroundAn effective cancer therapeutic must selectively target tumours with minimal systemic toxicity. Expression of a cytotoxic protein using Salmonella typhimurium would enable spatial and temporal control of delivery because these bacteria preferentially target tumours over normal tissue.

methodsWe engineered non-pathogenic S. typhimurium to secrete murine TNF-related apoptosis-inducing ligand (TRAIL) under the control of the prokaryotic radiation-inducible RecA promoter. The response of the RecA promoter to radiation was measured using fluorometry and immunoblotting. TRAIL toxicity was determined using flow cytometry and by measuring caspase-3 activation. A syngeneic murine tumour model was used to determine bacterial accumulation and the response to expressed TRAIL.

resultsAfter irradiation, engineered S. typhimurium secreted TRAIL, which caused caspase-3-mediated apoptosis and death in 4T1 mammary carcinoma cells in culture. Systemic injection of Salmonella and induction of TRAIL expression using 2 Gy gamma-irradiation caused a significant delay in mammary tumour growth and reduced the risk of death by 76% when compared with irradiated controls. Repeated dosing with TRAIL-bearing Salmonella in conjunction with radiation improved the 30-day survival from 0 to 100%.

conclusionThese results show the pre-clinical utility of S. typhimurium as a TRAIL expression vector that effectively reduces tumour growth and extends host survival.

Indexed as

AnimalsApoptosisCaspase 3Cell Line, TumorDisease Models, AnimalFemaleFlow CytometryGene Expression Regulation, NeoplasticImmunoblottingImmunohistochemistryMammary Neoplasms, ExperimentalMiceMice, Inbred BALB CPromoter Regions, GeneticRec A RecombinasesSalmonella typhimuriumCaspase 3Rec A RecombinasesTNF-Related Apoptosis-Inducing Ligand

Identifiers

PMID19861961
PMCPMC2778534
OpenAlexW2167475472

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.