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Related Experiment Videos

Tissue Force Programs Cell Fate and Tumor Aggression.

Jason J Northey1, Laralynne Przybyla1, Valerie M Weaver2,3

  • 1Center for Bioengineering and Tissue Regeneration, Department of Surgery, University of California, San Francisco (UCSF), San Francisco, California.

Cancer Discovery
|October 18, 2017
PubMed
Summary
This summary is machine-generated.

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Tissue mechanical stress can drive cancer progression and metastasis by promoting cancer stem cell properties. Targeting tumor mechanics may offer new strategies against treatment-resistant metastatic cancers.

Area of Science:

  • Biomedical Engineering
  • Cancer Biology
  • Mechanobiology

Background:

  • Tissue homeostasis relies on biomechanical and biochemical cues that direct cell fate.
  • Loss of tissue tensional homeostasis is linked to malignancy and oncogenic transformation.
  • High mechanical stress in tumors can hinder drug delivery and promote metastasis.

Purpose of the Study:

  • To investigate the role of biomechanical forces in driving tumor aggression and metastasis.
  • To explore the potential link between elevated tumor mechanics and cancer stem cell phenotypes.
  • To assess the therapeutic implications of targeting tumor mechanics.

Main Methods:

  • Analysis of biomechanical forces in solid tumors.
  • Investigation of mechanotransduction pathways driving cell fate.

Related Experiment Videos

  • Correlation of tissue mechanics with cancer stem cell properties and metastatic potential.

    • Main Results:

    • Elevated mechanical stress in tumors can induce a mesenchymal-like switch in cancer cells, conferring stem-like properties.
    • These biomechanically programmed cancer stem cells are associated with increased metastasis and treatment resistance.
    • Mechanical stress and elevated mechanosignaling promote malignant transformation and metastasis.

    Conclusions:

    • Tumor mechanical stress can drive cancer aggression by programming cells towards a stem-like phenotype.
    • Strategies aimed at reducing tumor mechanics may be effective in preventing metastatic cancer emergence.
    • Understanding mechanobiology is crucial for developing novel cancer therapies.