Evidence map›Paper›PMID 14981543›Full record

ArticleOncogene2004

Bacterial cupredoxin azurin as an inducer of apoptosis and regression in human breast cancer.

Vasu Punj, Suchita Bhattacharyya, Djenann Saint-Dic, Chenthamarakshan Vasu, Elizabeth A Cunningham, Jewell Graves, Tohru Yamada, Andreas I Constantinou, Konstantin Christov, Bethany White and 4 more

Abstract read
PubMed Publisher
In one paragraph

Article in Oncogene, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed
5.3field-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

71 citing papers in PubMed, 171 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. The Production of Recombinant Azurin fromInternational journal of molecular sciences · 2025
    Article
  14. The MDA-MB-231 Breast Cancer Cell Secretomes Modify Metabolomes ofInternational journal of molecular sciences · 2025
    Article
  15. Review
  16. Review
  17. Article
  18. Combination of magnetic hyperthermia and gene therapy for breast cancer.Apoptosis : an international journal on programmed cell death · 2025
    Article
  19. Article
  20. Review

11 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

14 authors at 1 institution in 1 country.

Vasu PunjDepartment of Surgical Oncology, University of Illinois at Chicago, 840 South Wood Street, M/C 820, Chicago, IL 60612, USA.
Suchita Bhattacharyya
Djenann Saint-Dic
Chenthamarakshan Vasu
Elizabeth A Cunningham
Jewell Graves
Tohru Yamada
Andreas I Constantinou
Konstantin Christov
Bethany White
Gang Li
Dibyen Majumdar
Ananda M Chakrabarty
Tapas K Das Gupta
University of Illinois Chicago · US

Funding

MICROBIAL DEGRADATION OF AGENT ORANGER01ES004050 · NIEHS · UNIVERSITY OF ILLINOIS AT CHICAGO · PI CHAKRABARTY, ANANDA MOHAN · 1986 to 2004
$1.5M
Mechanism(s)of antitumor action of tamoxifen and soyR01CA096517 · NCI · UNIVERSITY OF ILLINOIS AT CHICAGO · PI CONSTANTINOU, ANDREAS I. · 2001 to 2003
$1.3M
TRAINING GRANT IN SURGICAL ONCOLOGYT32CA009432 · NCI · UNIVERSITY OF ILLINOIS AT CHICAGO · PI DAS GUPTA, TAPAS K. · 1985 to 2002
$508k
P27Kipl deficiency, potential promoter of carcinogenesisR03CA095712 · NCI · UNIVERSITY OF ILLINOIS AT CHICAGO · PI CHRISTOV-TZELKOV, KONSTANTIN · 2002 to 2003
$156k
NCI NIH HHS CA09432NCI NIH HHS CA95712NCI NIH HHS CA96517NIEHS NIH HHS ES04050-17
6 · The paper itself

Abstract

Azurin, a copper-containing redox protein released by the pathogenic bacterium Pseudomonas aeruginosa, is highly cytotoxic to the human breast cancer cell line MCF-7, but is less cytotoxic toward p53-negative (MDA-MB-157) or nonfunctional p53 cell lines like MDD2 and MDA-MB-231. The purpose of this study was to investigate the underlying mechanism of the action of bacterial cupredoxin azurin in the regression of breast cancer and its potential chemotherapeutic efficacy. Azurin enters into the cytosol of MCF-7 cells and travels to the nucleus, enhancing the intracellular levels of p53 and Bax, thereby triggering the release of mitochondrial cytochrome c into the cytosol. This process activates the caspase cascade (including caspase-9 and caspase-7), thereby initiating the apoptotic process. Our results indicate that azurin-induced cell death stimuli are amplified in the presence of p53. In vivo injection of azurin in immunodeficient mice harboring xenografted human breast cancer cells in the mammary fat pad leads to statistically significant regression (85%, P = 0.0179, Kruskal-Wallis Test) of the tumor. In conclusion, azurin blocks breast cancer cell proliferation and induces apoptosis through the mitochondrial pathway both in vitro and in vivo, thereby suggesting a potential chemotherapeutic application of this bacterial cupredoxin for the treatment of breast cancer.

Indexed as

Antineoplastic AgentsApoptosisAzurinBreast NeoplasmsCaspasesFemaleHumansTumor Suppressor Protein p53Antineoplastic AgentsAzurinCaspasesTumor Suppressor Protein p53

Identifiers

PMID14981543
OpenAlexW2011190624

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.