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Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration
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Bioengineering
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JoVE Journal Bioengineering
Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration

DOI:
10.3791/60415-v

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10:53 min

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October 13, 2019

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, , , , ,
1Department of Biomedical Sciences,Korea University, 2Department of Mechanical Engineering,Korea Advanced Institute of Science and Technology, 3Department of Environmental Health,Harvard T.H. Chan School of Public Health

Chapters

  • 00:04Title
  • 00:47Fabrication of Polydimethylsiloxane (PDMS) Stencil and Microchannel
  • 02:39Preparation of Bottom Glass with Polyacrylamide (PA) Gel
  • 04:41Micropatterning of Cell Islands and Assembly of PA Gel with PDMS Microchannel
  • 06:14Integrated Microfluidic System
  • 07:32Image Acquisition
  • 08:27Results: Mechanical Interactions of MDCK Cell Islands
  • 09:55Conclusion

Summary

Automatic Translation

Automatic Translation

Collective cell migration in development, wound healing, and cancer metastasis is often guided by the gradients of growth factors or signaling molecules. Described here is an experimental system combining traction microscopy with a microfluidic system and a demonstration of how to quantify the mechanics of collective migration under biochemical gradient.

Tags

Keywords: Traction MicroscopyMicrofluidicsCollective Cell MigrationBiochemical GradientCellular ForcesPDMSSU-8 MoldGlass Slide SilanizationPolyacrylamide Gel

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