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Interfering with inflammation: a new strategy to block breast cancer self-renewal and progression?

Sara Cabodi1, Daniela Taverna

  • 1Dept. of Oncological Sciences, Molecular Biotechnology Center, University of Turin, Via Nizza 52, Turin, Italy. sara.cabodi@unito.it

Breast Cancer Research : BCR
|May 13, 2010
PubMed

Insights

Epigenetics and inflammation regulate breast cancer progression. Targeting inflammation pathways, like IL-6 or IL-8 receptors, offers new strategies to control cancer stem cells and tumor growth.

Area of Science:

  • Oncology
  • Molecular Biology
  • Immunology

Background:

  • Epigenetics and inflammation are implicated in breast tumor progression and cancer stem cell self-renewal.
  • Specific molecular pathways, including NF-kappaB, Lin28, Let-7 microRNA, IL-6, and IL-8 receptor CXCR1, are involved.

Purpose of the Study:

  • To investigate the role of epigenetics and inflammation in breast cancer.
  • To explore therapeutic strategies targeting inflammation cascades and cancer stem cells.

Main Methods:

  • Struhl's group: Investigated transient Src oncoprotein activation and its downstream epigenetic effects (NF-kappaB, Lin28, Let-7 microRNA, IL-6).
  • Wicha's laboratory: Developed a strategy to block the IL-8 receptor CXCR1 using repertaxin or a blocking antibody.

Main Results:

  • Transient Src activation induces cell transformation and self-renewal via an epigenetic switch involving IL-6.
  • Blocking CXCR1 selectively targets cancer stem cells, reducing tumor growth and metastasis.

Conclusions:

  • Interfering with inflammation cascades presents a viable approach to control breast cancer progression.
  • Targeting specific inflammatory mediators like IL-6 and IL-8 receptors offers potential therapeutic avenues for breast cancer treatment.

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