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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...

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Spatial and Temporal Control of T Cell Activation Using a Photoactivatable Agonist
07:48

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Published on: April 25, 2018

Interrogating the T cell synapse with patterned surfaces and photoactivated proteins.

Andrew L DeMond1, Jay T Groves

  • 1Biophysics Graduate Group, Berkeley, CA 94720, USA.

Current Opinion in Immunology
|August 21, 2007
PubMed
Summary

Controlling the spatial organization of cell surface molecules is key to understanding immune synapse signaling. Techniques like photoactivation and patterning help researchers investigate immune synapse assembly and function.

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Imaging the Human Immunological Synapse
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Imaging the Human Immunological Synapse

Published on: December 26, 2019

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Last Updated: Jul 13, 2026

Spatial and Temporal Control of T Cell Activation Using a Photoactivatable Agonist
07:48

Spatial and Temporal Control of T Cell Activation Using a Photoactivatable Agonist

Published on: April 25, 2018

A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins
16:10

A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins

Published on: March 22, 2012

Imaging the Human Immunological Synapse
09:37

Imaging the Human Immunological Synapse

Published on: December 26, 2019

Area of Science:

  • Immunology
  • Cell Biology
  • Biophysics

Background:

  • The immunological synapse is crucial for cell-cell communication, featuring complex signaling pathways.
  • Spatial organization of signaling molecules significantly impacts intercellular signal transduction.
  • Understanding these spatial dynamics is vital for deciphering immune responses.

Purpose of the Study:

  • To explore techniques for controlling the localization of cell-surface signaling molecules.
  • To investigate the role of spatial organization in immune synapse assembly and signaling.
  • To highlight the utility of advanced methods in studying synaptic signaling.

Main Methods:

  • Photoactivation of surface-associated molecules.
  • Patterning of cell-surface signaling molecules.
  • Mechanical constraint of molecules at the cell surface.

Main Results:

  • Demonstrated the effectiveness of spatial control techniques.
  • Provided insights into the mechanisms of immune synapse assembly.
  • Advanced the understanding of synaptic signaling processes.

Conclusions:

  • Spatial control techniques are powerful tools for immunological research.
  • Precise localization of molecules is essential for synaptic signaling.
  • These methods facilitate the investigation of complex cell-surface interactions.