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Tissue engineering the cancer microenvironment-challenges and opportunities.

Vassilis Papalazarou1,2, Manuel Salmeron-Sanchez2, Laura M Machesky3

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Tumor stiffness and mechanical forces drive cancer progression, invasion, and metastasis. Understanding these mechanosensing processes is key to developing new therapies against cancer spread and recurrence.

Keywords:
AdhesionCancer microenvironmentCell migrationCytoskeletonExtracellular matrixHydrogelsMechanosensingMotility

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Area of Science:

  • Oncology
  • Biophysics
  • Cell Biology

Background:

  • Mechanosensing plays a critical role in tumor progression.
  • Tumorigenesis is associated with increased tissue stiffness and imbalanced mechanical forces.
  • These mechanical changes promote cancer cell migration, invasion, and metastasis.

Purpose of the Study:

  • To review recent advances in understanding how extracellular matrix properties influence cell behavior in tumors.
  • To discuss in vitro modeling of the tumor microenvironment's mechanical aspects.
  • To highlight the potential for improved cancer therapies by understanding tumor mechanics.

Main Methods:

  • Review of current literature on mechanosensing in cancer.
  • Discussion of extracellular matrix properties (stiffness, viscoelasticity, architecture).
  • Exploration of in vitro models for studying the tumor microenvironment.

Main Results:

  • Extracellular matrix properties significantly control cancer cell behavior.
  • In vitro models can capture key mechanical aspects of the tumor microenvironment.
  • Understanding mechanical forces is crucial for targeting tumor spread.

Conclusions:

  • Mechanosensing is a critical factor in tumor progression and metastasis.
  • Targeting the mechanical aspects of the tumor microenvironment offers therapeutic potential.
  • Further understanding of tumor mechanics can combat cancer dormancy, recurrence, and metastasis.