PDZ domains and the politics of polarity in lymphocytes
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Updated: Aug 8, 2026

Rapid and Robust Analysis of Cellular and Molecular Polarization Induced by Chemokine Signaling
Published on: December 12, 2014
1Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston 02114, USA.
Insights
Scaffold proteins, known for regulating epithelial cell polarity, are now found to be crucial in organizing T cells during immune engagement. This discovery impacts our understanding of immune cell interactions and organization.
Area of Science:
- Immunology
- Cell Biology
- Molecular Biology
Background:
- Scaffold proteins are essential for regulating cell polarity in epithelial cells.
- The role of these proteins in immune cell organization was previously unexplored.
Discussion:
- Ludford-Menting et al. demonstrate that scaffold proteins influence the macroscopic organization of engaged T cells.
- This finding extends the known functions of scaffold proteins beyond epithelial cell polarity.
Key Insights:
- Scaffold proteins play a dual role in cellular organization, affecting both epithelial and immune cells.
- The study reveals a novel mechanism for controlling T cell organization during immune responses.
Outlook:
- Further research could explore specific scaffold proteins involved in T cell organization.
- Investigating these mechanisms may lead to new therapeutic strategies for immune modulation.
Abstract:
In this issue of Immunity, Ludford-Menting at al. (2005) show that scaffold proteins previously implicated in the control of epithelial cell polarity also play an important role in determining the macroscopic organization of the engaged T cell.
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