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Intravital and high-content multiplex imaging of the immune system
Jyh Liang Hor1, Ronald N Germain1
1Lymphocyte Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA.
Insights
Multiphoton intravital microscopy (MP-IVM) reveals immune cell cooperation in situ. Combining MP-IVM with static imaging and data analysis offers new insights into immune cell dynamics, phenotyping, and transcriptional states.
Area of Science:
- Immunology
- Microscopy
- Systems Biology
Background:
- Immune cells exhibit complex cooperative behaviors crucial for effective immune responses.
- Multiphoton intravital microscopy (MP-IVM) is a key technology for observing immune cell interactions in living tissues (in situ).
Purpose of the Study:
- To review the current applications and limitations of MP-IVM in immunology.
- To propose a novel correlative microscopy approach integrating MP-IVM with static imaging techniques.
- To enable simultaneous visualization of immune cell dynamics, deep phenotyping, and transcriptional states.
Main Methods:
- Review of existing literature on intravital microscopy.
- Integration of insights from multiplex static tissue-imaging methods.
- Development of a correlative microscopy approach combining dynamic and static imaging.
- Application of advanced data analysis techniques.
Main Results:
- MP-IVM significantly enhances understanding of in situ immune cell behavior.
- Current MP-IVM techniques have fundamental limitations in comprehensive analysis.
- Proposed correlative approach promises simultaneous multi-modal data acquisition.
Conclusions:
- Correlative microscopy integrating MP-IVM with static imaging and data analysis represents a powerful future direction.
- This integrated approach will provide unprecedented insights into immune cell function and regulation.
- Advancements in imaging and data analysis are critical for dissecting complex immune processes.
Abstract:
Highly motile and functionally diverse immune cells orchestrate effective immune responses through complex and dynamic cooperative behavior. Multiphoton intravital microscopy (MP-IVM) presents a unique and powerful tool to study the coordinated action of immune cell interactions in situ. Here, we review the current state of intravital microscopy in deepening our understanding of the immune system and discuss its fundamental limitations. In addition, we draw insights from recent technical advances in multiplex static tissue-imaging methods and propose an approach that could enable simultaneous visualization of cellular dynamics, deep phenotyping, and transcriptional states through a new type of correlative microscopy that combines these imaging technologies with advances in complex data analysis.
