Resolving cancer-stroma interfacial signalling and interventions with micropatterned tumour-stromal assays

Keyue Shen1, Samantha Luk1, Daniel F Hicks2

  • 1Department of Surgery, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School and the Shriners Hospitals for Children, Boston, Massachusetts 02114, USA.

Nature Communications
|December 10, 2014
PubMed

Insights

This study introduces a new assay to study tumour-stromal interactions, revealing how reversine targets these interactions to suppress breast cancer growth and metastasis.

Area of Science:

  • Oncology
  • Cell Biology
  • Biomedical Engineering

Background:

  • Tumour-stromal interactions significantly influence cancer progression.
  • The interface between tumour and stromal cells exhibits distinct spatial phenotypes.
  • Understanding these interactions is crucial for developing effective cancer therapies.

Purpose of the Study:

  • To develop a novel platform for analyzing tumour-stromal signaling.
  • To investigate the role of spatial distribution in cancer progression and drug response.
  • To explore the mechanism of reversine in targeting tumour-stromal interactions.

Main Methods:

  • Establishment of a micropatterned tumour-stromal assay (μTSA).
  • Utilizing laser capture microdissection for precise cell co-culture and analysis.
  • In vivo and in vitro experiments with oestrogen receptor-positive (ER+) breast cancer cells and stromal cells.

Main Results:

  • The μTSA platform accurately reflects spatial phenotype distribution observed in human breast cancer.
  • Heterogeneous drug activity was observed at the tumour-stroma interface.
  • Reversine demonstrated efficacy in suppressing tumour growth and bone metastasis by reducing stromalization.

Conclusions:

  • The μTSA is a valuable platform for studying tumour microenvironmental interactions and cancer field effects.
  • Reversine's mechanism involves targeting tumour-stromal interfacial interactions.
  • This research has implications for drug discovery and development in cancer therapy.