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Real-time Live Imaging of T-cell Signaling Complex Formation
Published on: June 23, 2013
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Analysis of T Cell Activation by Confocal Microscopy
Paola Larghi1,2, Antonella Viola3,4, Barbara Molon3,4
1Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy. larghi@ingm.org.
Methods in Molecular Biology (Clifton, N.J.)
|October 28, 2016
Summary
T cells interact with antigen-presenting cells (APCs) at the immunologic synapse (IS) to initiate host defense. This chapter details microscopy methods for visualizing molecular dynamics within the IS during T cell activation.
Area of Science:
- Immunology
- Cell Biology
- Microscopy
Background:
- T cell activation relies on physical interaction with antigen-presenting cells (APCs).
- The immunologic synapse (IS) forms at the T cell-APC interface, orchestrating molecular dynamics crucial for cell communication.
- Dysregulation of IS formation is linked to various pathologies, including infections, cancer, and autoimmunity.
Purpose of the Study:
- To detail microscopy protocols for visualizing and analyzing the immunologic synapse (IS).
- To provide insights into the dynamics of molecular recruitment and organization within the IS during T cell activation.
Main Methods:
- Description of advanced microscopy techniques.
- Protocols for visualizing molecular and organelle recruitment at the IS.
- Methods for analyzing spatial and temporal dynamics of IS assembly.
Main Results:
- Demonstration of microscopy's utility in studying IS formation.
- Visualization of key molecular events during T cell-APC interaction.
- Insights into the spatiotemporal regulation of the IS.
Conclusions:
- Microscopy is essential for understanding T cell activation dynamics at the IS.
- Detailed protocols facilitate further research into IS assembly and function.
- Understanding IS dynamics is critical for addressing immune-related diseases.

