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Published on: April 11, 2019
Analysis of the Germinal Center Reaction in Tissue Sections
David Dominguez-Sola1,2, Giorgio Cattoretti3,4
1Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1044A, New York, NY, 10029, USA. david.dominguez-sola@mssm.edu.
Insights
This study details a method using immunofluorescence and immunohistochemistry to visualize germinal centers, crucial for adaptive immunity. This technique aids in studying their development and role in diseases within lymphoid organs.
Area of Science:
- Immunology
- Cell Biology
- Anatomical Pathology
Background:
- Germinal centers are vital transient structures in adaptive immunity.
- Identifying germinal centers in lymphoid organs is crucial for understanding immune responses.
- Current methods like flow cytometry lack architectural detail, unlike immunohistology.
Purpose of the Study:
- To present a detailed protocol for visualizing germinal center architecture.
- To enable precise study of cellular and spatial features of germinal centers.
- To facilitate research into normal germinal center development and disease-related disruptions.
Main Methods:
- Utilizing immunofluorescence and immunohistochemistry techniques.
- Employing specific antibodies for targeted cellular and architectural highlighting.
- Analyzing both human and mouse secondary lymphoid organs.
Main Results:
- Successful precise visualization of germinal center cellular composition.
- Detailed mapping of germinal center spatial organization achieved.
- Demonstrated applicability in studying both normal development and disease states.
Conclusions:
- Immunofluorescence and immunohistochemistry offer superior spatial and architectural insights into germinal centers.
- This method provides a robust tool for immunological and pathological research.
- Enables deeper understanding of immune responses and associated pathologies.
Abstract:
Germinal centers are short-lived microanatomical compartments with essential roles in adaptive immunity. These lymphoid structures can be identified in secondary lymphoid organs using both flow cytometry and immunohistological analyses, but only the latter provides useful architectural and spatial information. Here we describe how to use immunofluorescence and immunohistochemistry with specific antibodies to precisely highlight the cellular and architectural features of germinal centers, both in human and mouse secondary lymphoid organs, and to study their normal development and disturbance in disease.
