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Updated: Jun 28, 2026
09:28
Traction Force Microscopy to Study B Lymphocyte Activation
Published on: July 23, 2020
A method for prolonged imaging of motile lymphocytes
Daniel Day1, Kim Pham, Mandy J Ludford-Menting
1Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn, Vic, Australia. dday@swin.edu.au
Immunology and Cell Biology
|November 5, 2008
Summary
Researchers developed
Area of Science:
- Cell biology
- Biotechnology
- Microfluidics
Background:
- Live imaging of cells in vitro is crucial for cell biology.
- Optimizing in vitro imaging while maintaining physiological relevance is challenging.
Purpose of the Study:
- To develop a novel methodology for containing non-adherent cells in vitro.
- To enable long-term live imaging of cell interactions without compromising cell viability.
Main Methods:
- Created 'cell paddocks' using polydimethylsiloxane microgrids (250 x 250 x 60 microm).
- Cells settled into microgrids, restricting lateral movement while allowing medium exchange.
- Utilized microgrids for imaging lymphocyte division and cell-cell interactions.
Main Results:
- Maintained non-adherent cells within the field of view for at least 6 days.
- No impact on cell viability and proliferation observed.
- Enabled tracking of lymphocyte division and thymocyte-stromal cell interactions.
Conclusions:
- The 'cell paddock' methodology effectively contains non-adherent cells for long-term live imaging.
- This technique preserves physiological relevance and cell health in vitro.
- Facilitates detailed study of cellular interactions and dynamics.
