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Updated: May 27, 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 new angle on TCR activation.

Jia-huai Wang1, Ellis L Reinherz

  • 1Laboratory of Immunobiology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA.

Immunity
|November 29, 2011
PubMed
Summary
This summary is machine-generated.

T cell receptor interactions with pMHC ligands are crucial for immune responses. New research suggests that the way these molecules dock influences T cell activation.

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

Published on: March 22, 2012

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Last Updated: May 27, 2026

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

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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

Area of Science:

  • Immunology
  • Molecular Biology
  • Cellular Biology

Background:

  • T cell recognition is essential for adaptive immunity.
  • This process involves the T cell receptor (TCR) complex interacting with peptide-MHC (pMHC) ligands.
  • Understanding the biophysical basis of TCR-pMHC interaction is key to deciphering T cell activation.

Discussion:

  • The study by Adams et al. investigates the role of docking geometry in TCR-pMHC interactions.
  • It explores how the specific orientation of the TCR complex relative to the pMHC ligand affects binding.
  • This geometric aspect may be a critical determinant of functional T cell responses.

Key Insights:

  • Docking geometry significantly influences the 2D binding affinity between the TCR and its pMHC ligand.
  • Altered docking configurations can lead to differential T cell activation outcomes.
  • This highlights a previously underappreciated factor in the specificity and efficacy of T cell recognition.

Outlook:

  • Further research into TCR-pMHC docking geometry could reveal new therapeutic targets.
  • Understanding these interactions may lead to strategies for modulating T cell responses in autoimmune diseases and cancer immunotherapy.
  • This work opens new avenues for studying the biophysics of immune recognition.