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A Gradient-generating Microfluidic Device for Cell Biology
Published on: August 30, 2007
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Analysis of CCR7 mediated T cell transfectant migration using a microfluidic gradient generator
Xun Wu1, Jiandong Wu2, Hongzhao Li3
1Department of Physics and Astronomy, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada; Department of Immunology, University of Manitoba, Winnipeg, MB, R3E 0T5, Canada.
Journal of Immunological Methods
|March 4, 2015
Summary
This study presents a microfluidic method for analyzing T cell migration, enabling researchers to study chemokine receptor function and cell signaling in immune cells. The technique allows for quantitative assessment of T lymphocyte chemotaxis.
Area of Science:
- Immunology
- Cell Biology
- Biotechnology
Background:
- T lymphocyte migration is vital for adaptive immunity.
- Microfluidic devices offer precise control for studying cell migration and chemotaxis.
- Limited studies exist on microfluidic analysis of genetically modified immune cells.
Purpose of the Study:
- To develop a simple microfluidic method for quantitative analysis of T cells expressing transfected chemokine receptors.
- To investigate T cell migration in response to chemokine gradients using engineered cells.
- To characterize the role of wild-type and mutated CCR7 in T cell chemotaxis.
Main Methods:
- Utilized microfluidic devices to create chemokine gradients (CCL19).
- Analyzed migration of Jurkat T cell transfectants expressing wild-type or C-terminus mutated CCR7.
- Employed EGFP-tagged CCR7 for identifying expressing cells and assessing receptor dynamics via microscopy.
Main Results:
- Successfully demonstrated chemotaxis of T cell transfectants in response to CCL19.
- Quantified and characterized differences in migration mediated by wild-type versus mutant CCR7.
- Validated the utility of EGFP tagging for cell identification and dynamic studies.
Conclusions:
- The developed microfluidic method is effective for studying CCR7-mediated T cell migration.
- This platform facilitates functional testing of cell migration signaling mechanisms.
- Provides a valuable tool for research in immune cell trafficking and signaling.
