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Updated: Aug 10, 2026
10:00
Visualization of the Immunological Synapse by Dual Color Time-gated Stimulated Emission Depletion (STED) Nanoscopy
Published on: March 24, 2014
Correlation of a dynamic model for immunological synapse formation with effector functions: two pathways to synapse
Sung-Joo E Lee1, Yuko Hori, Jay T Groves
1Biophysics Graduate Group, Dept of Chemistry, University of California, Berkeley, CA, USA.
Trends in Immunology
|September 26, 2002
Summary
The immunological synapse
Area of Science:
- Immunology
- Cellular Biology
- Biophysics
Background:
- The immunological synapse is crucial for T-cell activation, formed by receptors and ligands during antigen recognition.
- A recent model predicts synapse assembly based on protein binding interactions within membrane constraints.
Purpose of the Study:
- To correlate predictions of mature synapse assembly with T-cell responses.
- To investigate the role of T-cell receptor (TCR)-MHC-peptide (pMHC) binding kinetics in synapse formation and T-cell function.
Main Methods:
- Comparing a synapse assembly model's predictions with experimental data on T-cell responses.
- Analyzing the dependence of T-cell responses on TCR-pMHC binding kinetics (on and off rates).
Main Results:
- Model predictions for synapse assembly correlated well with T-cell cytokine responses.
- Synapse assembly predictions did not correlate with cytotoxic T lymphocyte-mediated killing.
- The study suggests distinct roles for the synapse in pre- and post-nuclear T-cell activation events.
Conclusions:
- TCR-pMHC binding kinetics are critical for immunological synapse assembly and T-cell activation.
- The synapse may play different roles in early versus later stages of T-cell activation.
- Self-peptide analogs may positively influence synapse assembly.
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