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Updated: Mar 5, 2026
Author Spotlight: Understanding Disease Mechanisms Through Real-Time Analysis of T-Cell Migration
Published on: May 24, 2024
Visualizing and Tracking T Cell Motility In Vivo
Robert A Benson1, James M Brewer2, Paul Garside3
1Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, The University of Glasgow, Glasgow, G12 8TA, UK. robert.benson@glasgow.ac.uk.
Insights
Advanced microscopy visualizes immune cell dynamics in lymph nodes. Researchers used multiphoton laser scanning microscopy for tracking CD4+ T cells and dendritic cells (DCs) in ex vivo and intravital settings.
Area of Science:
- Immunology
- Cell Biology
- Microscopy
Background:
- Immune responses involve complex cellular interactions within lymph nodes.
- Understanding T cell and dendritic cell (DC) dynamics is crucial for immunology.
- Advanced imaging techniques are needed to study these cellular behaviors in vivo.
Purpose of the Study:
- To describe methods for visualizing and tracking fluorescently labeled CD4+ T cells and DCs in lymph nodes (LNs).
- To compare ex vivo and intravital multiphoton laser scanning microscopy for studying immune cell responses.
- To provide methods for quantitative, real-time analysis of cellular tracking data.
Main Methods:
- Application of multiphoton laser scanning microscopy.
- Ex vivo imaging of lymph nodes (LNs).
- Intravital imaging of the popliteal LN.
- Development of methods for time-series data acquisition for cellular tracking.
Main Results:
- Successful visualization and tracking of CD4+ T cells and DCs within the LN environment.
- Ex vivo imaging provides comparable data to intravital imaging without complex surgery.
- Intravital imaging allows study within an intact lymph and blood supply context.
- Acquired time-series data enables quantitative, real-time analysis of immune cell responses.
Conclusions:
- Multiphoton microscopy is effective for studying immune cell dynamics in LNs.
- Both ex vivo and intravital approaches offer valuable insights into T cell/DC interactions.
- The described methods facilitate quantitative analysis of cellular tracking for immune response studies.
Abstract:
Advanced cellular tracking and imaging techniques allow the dynamic nature of immune responses to be studied in detail and in a physiological context. Here we describe two methods applying multiphoton laser scanning microscopy to the visualization and tracking of fluorescently labeled CD4+ T cells and dendritic cells (DCs) within the complex lymph node (LN) environment. Ex vivo imaging of LNs allows the study of cell populations without the need for skilled surgical techniques while providing comparable data. While more technically demanding, intravital imaging of the popliteal LN allows aspects of T cell/DC responses to be studied in the context of an intact lymph and blood supply. We also describe methods to aid the acquisition of time series data suitable for cellular tracking, providing a quantitative approach to real-time analysis of DC and T cell LN responses.
