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Microenvironment, tumor cell plasticity, and cancer.

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Cancer cells interact with the tumor microenvironment, sensing extracellular matrix (ECM) stiffness and physical cues. Understanding mechanobiology is key to targeting cancer progression and dormancy.

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Area of Science:

  • Biophysics
  • Mechanobiology
  • Cancer Biology

Background:

  • Tumoral niche components and extracellular matrix (ECM) influence cancer initiation and progression.
  • Cancer cells respond to biochemical signals and physical features like matrix stiffness and confinement.
  • Advances in biophysics and mechanobiology have improved understanding of cancer cell behavior.

Purpose of the Study:

  • To review how physicochemical properties of the ECM influence tumor growth, dissemination, and dormancy.
  • To explore the role of mechanotransduction in tumor development and progression.
  • To identify potential biomarkers and therapeutic targets in cancer mechanobiology.

Main Methods:

  • Literature review focusing on biophysical and mechanobiological studies of cancer cells and the ECM.
  • Analysis of how ECM properties affect cancer cell behavior, including migration, invasion, and dormancy.
  • Synthesis of current knowledge on mechanotransduction pathways in tumor progression.

Main Results:

  • Cancer cell plasticity enables adaptation to the tumoral environment through microenvironment interface modification, increased internal tension, and nuclear deformation, contributing to heterogeneity.
  • Altered ECM biomechanical properties can drive cancer cell migration and invasion.
  • The tumor microenvironment, influenced by ECM properties, can also promote tumor dormancy and therapeutic resistance.

Conclusions:

  • Physicochemical properties of the ECM play a dual role, potentially promoting tumor growth/dissemination or maintaining cancer cell quiescence.
  • Clarifying the molecular basis of mechanotransduction is essential for identifying novel biomarkers and therapeutic strategies.
  • Targeting mechanotransduction pathways offers potential for new anticancer therapies.