Extracellular DNA: A bridge to cancer

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

DNase I is a secreted enzyme whose function has been presumed to control "waste management" in the human system, by degrading DNA that leaks from dead and dying cells. Emerging studies have instead yielded evidence that DNase I plays a central role in newly defined dynamics of immune and autoimmune diseases, as well as cancer and vascular disorders, including thrombosis. Cancer cells have been reported to be associated with distinctive extracellular structures that facilitate aggregation and implantation. The fact that DNA is a component of such structures and that it plays a role in cancer development is illustrated by direct evidence: DNase I added to tumor cells eliminates the structures and inhibits tumorigenicity of some cancer cell lines. DNase I injected into experimental animals, moreover, results in significant inhibition of metastasis. Despite independent observations of such phenomena in diverse cancers for over 50 years, the potential for using DNase I as a clinical tool to prevent or treat cancer remains unexplored. The discovery of neutrophil extracellular traps has yielded a conceptual framework for interpreting how extracellular DNA may function in cancer development and why it may prove to be an important clinical target in stopping cancer outside the cell.

Original languageEnglish (US)
Pages (from-to)4260-4264
Number of pages5
JournalCancer Research
Volume75
Issue number20
DOIs
StatePublished - Oct 15 2015

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Deoxyribonuclease I
DNA
Neoplasms
Waste Management
Immune System Diseases
Autoimmune Diseases
Blood Vessels
Thrombosis
Neoplasm Metastasis
Cell Line
Enzymes

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Extracellular DNA : A bridge to cancer. / Hawes, Martha C; Wen, Fushi; Elquza, Emad -.

In: Cancer Research, Vol. 75, No. 20, 15.10.2015, p. 4260-4264.

Research output: Contribution to journalArticle

Hawes, Martha C ; Wen, Fushi ; Elquza, Emad -. / Extracellular DNA : A bridge to cancer. In: Cancer Research. 2015 ; Vol. 75, No. 20. pp. 4260-4264.
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