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Updated: May 23, 2026

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Dissection and 2-Photon Imaging of Peripheral Lymph Nodes in Mice
Published on: August 23, 2007
Two-photon imaging of the immune system.
Ivan L Dzhagalov1, Heather J Melichar, Jenny O Ross
1Division of Immunology and Pathogenesis, Department of Molecular and Cell Biology, University of California, Berkeley, California, USA.
Current Protocols in Cytometry
|April 4, 2012
Summary
Two-photon microscopy enables real-time visualization of immune cell dynamics in their natural environment. This unit provides protocols for preparing organs for imaging, aiding immunologists in studying immune system development and function.
Area of Science:
- Immunology
- Microscopy
- Cell Biology
Background:
- Two-photon microscopy offers real-time visualization of biological processes.
- The immune system's highly motile cells benefit significantly from this imaging technique.
- It provides unique insights into immune cell interactions and behavior.
Purpose of the Study:
- To introduce new users to basic two-photon microscopy techniques.
- To provide protocols for preparing various organs for imaging.
- To facilitate the study of immune system development and function.
Main Methods:
- Two-photon microscopy protocols.
- Organ preparation techniques for live imaging.
- In vivo imaging of immune cell dynamics.
Main Results:
- Established protocols for preparing diverse organs for two-photon microscopy.
- Demonstrated the utility of the technique for studying immune cell motility and interactions.
- Provided foundational knowledge for new users in the field.
Conclusions:
- Two-photon microscopy is an indispensable tool for immunological research.
- Standardized protocols enhance the accessibility and application of this technology.
- Further research can leverage these methods to uncover novel aspects of immune function.

