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Listeria monocytogenes and its products as agents for cancer immunotherapy

Patrick Guirnalda1, Laurence Wood, Yvonne Paterson

  • 1Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Advances in Immunology
|January 17, 2012
PubMed

Insights

Listeria monocytogenes are being developed as cancer immunotherapeutics. These bacteria are engineered as vectors to deliver tumor antigens and angiogenic molecules, stimulating an immune response against tumors.

Area of Science:

  • Immunology
  • Oncology
  • Microbiology

Background:

  • Listeria monocytogenes possesses unique properties making it a candidate for cancer immunotherapy.
  • Understanding its virulence factors is key to developing effective cancer vaccines.

Purpose of the Study:

  • To review the application of Listeria monocytogenes and its virulence factors in cancer immunotherapy.
  • To explore the use of Listeria as a vaccine vector for tumor immunotherapy.

Main Methods:

  • Engineering Listeria monocytogenes as a vector for delivering tumor antigens and DNA plasmids.
  • Utilizing Listeria's tumor-homing capabilities for targeted delivery.
  • Employing Listeria to deliver angiogenic molecules to disrupt tumor vasculature.

Main Results:

  • Listeria monocytogenes can be engineered to target antigen-presenting cells.
  • Harnessing tumor-homing properties enhances targeted cancer therapy.
  • Listeria-mediated delivery of angiogenic molecules can induce anti-tumor immune responses.

Conclusions:

  • Listeria monocytogenes shows promise as a versatile platform for cancer immunotherapy.
  • Further development of Listeria-based vaccines could lead to novel cancer treatments.

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