Evidence map›Paper›PMID 22923405›Full record

ArticleApplied and environmental microbiology2012

Escherichia coli Nissle 1917 targets and restrains mouse B16 melanoma and 4T1 breast tumors through expression of azurin protein.

Yunlei Zhang, Youming Zhang, Liqiu Xia, Xiangli Zhang, Xuezhi Ding, Fu Yan, Feng Wu

Open access · bronzeAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
3.0field-weighted citation impact, top 11% 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

66 citing papers in PubMed, 133 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Review
  10. Current and emerging approaches to manage chronic inflammatory gut disorders.Frontiers in cellular and infection microbiology · 2026
    Review
  11. Article
  12. Programmable immunoprobiotics orchestrate antitumor immune response with Pin1 inhibition for pancreatic cancer treatment.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  13. Article
  14. Designing live bacterial therapeutics for cancer.Advanced drug delivery reviews · 2025
    Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. Article

6 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 1 country.

Yunlei ZhangCollege of Life Science, Hunan Provincial Key Laboratory of Microbial Molecular Biology-State Key Laboratory Breeding Base of Microbial Molecular Biology, Hunan Normal University, Changsha, China.
Youming Zhang
Liqiu Xia
Xiangli Zhang
Xuezhi Ding
Fu Yan
Feng Wu
Hunan Normal University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many studies have demonstrated that intravenously administered bacteria can target and proliferate in solid tumors and then quickly be released from other organs. Here, we employed the tumor-targeting property of Escherichia coli Nissle 1917 to inhibit mouse B16 melanoma and 4T1 breast tumors through the expression of azurin protein. For this purpose, recombinant azurin-expressing E. coli Nissle 1917 was developed. The levels of in vitro and in vivo azurin secretion in the engineered bacterium were determined by immunochemistry. Our results demonstrated that B16 melanoma and orthotopic 4T1 breast tumor growth were remarkably restrained and pulmonary metastasis was prevented in immunocompetent mice. It is worth noting that this therapeutic effect partially resulted from the antitumor activity of neutrophils and lymphocytes due to inflammatory responses caused by bacterial infections. No toxicity was observed in the animal during the experiments. This study indicates that E. coli Nissle 1917 could be a potential carrier to deliver antitumor drugs effectively for cancer therapy.

Indexed as

Drug Delivery SystemsEscherichia coliAnimalsAntineoplastic AgentsAzurinCell Line, TumorDisease Models, AnimalFemaleGenetic EngineeringLung NeoplasmsMammary Neoplasms, ExperimentalMelanoma, ExperimentalMiceMice, Inbred BALB CPlasmidsAntineoplastic AgentsAzurin

Identifiers

PMID22923405
PMCPMC3485711
OpenAlexW1964108510

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.