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Imaging the Human Immunological Synapse
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Transcellular communication at the immunological synapse: a vesicular traffic-mediated mutual exchange

Francesca Finetti1, Chiara Cassioli1, Cosima T Baldari1

  • 1Department of Life Sciences, University of Siena, via A. Moro 2, Siena, 53100, Italy.

F1000Research
|November 11, 2017
PubMed

Insights

The immunological synapse (IS) is vital for T-cell activation and communication. Recent research highlights its role in vesicular trafficking and focused secretion of microvesicles, enabling cell-to-cell interactions.

Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Background:

  • Eukaryotic cells communicate with their environment and each other.
  • The immunological synapse (IS) is a specialized structure formed between T lymphocytes and antigen-presenting cells.
  • The IS is crucial for T-cell activation and signaling.

Purpose of the Study:

  • To review recent advances in the role of vesicular trafficking in IS assembly.
  • To discuss the focused secretion of microvesicles at the synaptic area in naïve T cells.
  • To explore the IS's function in transcellular communication.

Main Methods:

  • Literature review of recent advances in immunological synapse research.
  • Analysis of studies focusing on vesicular trafficking mechanisms.
  • Examination of research on microvesicle secretion at the IS.

Main Results:

  • The IS is not only a signaling platform but also a site for vesicular traffic-mediated communication.
  • Focused secretion of microvesicles occurs at the synaptic area in naïve T cells.
  • The IS plays an active role in transcellular communication.

Conclusions:

  • Vesicular trafficking is integral to IS assembly and function.
  • The IS facilitates cell-to-cell communication through microvesicle secretion.
  • Further research into the IS's role in transcellular communication is warranted.

Keywords:
T-cell activationimmunological synapsetranscellular communicationvesicular traffic

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