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Quantifying Three-Dimensional Cell Migration Within and Into Granular Hydrogel Biomaterials
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Hydrogel Design to Understand and Guide 3D Cell Migration.

Karen L Xu1,2,3,4, Robert L Mauck1,2,3,4, Jason A Burdick1,2,5,6

  • 1Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104 USA.

Regenerative Engineering and Translational Medicine
|February 2, 2026
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Summary
This summary is machine-generated.

This review explores how engineered hydrogels mimic the extracellular environment to control three-dimensional (3D) cell migration. Understanding cell migration in 3D is key for tissue repair and regenerative medicine applications.

Keywords:
Cell migrationCell-material interfacesEngineered matricesMicrointerfaces

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Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Tissue Engineering

Background:

  • Cell migration is crucial in healthy and diseased tissues, yet three-dimensional (3D) migration is less understood than two-dimensional (2D).
  • In 3D environments, cells must actively remodel their surroundings to navigate and migrate effectively.
  • Controlling cell migration is vital for developing advanced therapies.

Purpose of the Study:

  • To review the cell-intrinsic machinery required for migration.
  • To describe methods for modeling cell migration in vitro.
  • To highlight engineered hydrogels that enhance cell migration for biomedical applications.

Main Methods:

  • A literature search was conducted focusing on hydrogel engineering for cell migration studies.
  • The review synthesizes findings on cell migration mechanisms and in vitro modeling.
  • Examples of hydrogel designs incorporating specific extracellular cues are presented.

Main Results:

  • Engineered hydrogels can effectively mimic the extracellular matrix, providing a platform to study cell-environment interactions.
  • Specific hydrogel designs with permissive cues have demonstrated enhanced cell migration.
  • Understanding these interactions is crucial for interpreting migration processes.

Conclusions:

  • Hydrogels can be engineered to replicate key features of the extracellular space, aiding the study of cell migration.
  • This understanding enables the design of hydrogels to guide cell migration for tissue repair and regenerative medicine.
  • Hydrogels serve as valuable tools for both fundamental research and therapeutic material development.