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Updated: Jul 10, 2026

Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function
Published on: February 16, 2017
Detection of antigen specific B-cells in tissues
Marie Wahren-Herlenius1, Stina Salomonsson
1Rheumatology Unit, Department of Medicine, Karolinska Hospital, Stockholm, Sweden.
This study introduces a method to detect and locate autoreactive B-cells in autoimmune diseases using antigen-biotinylation and immunohistochemistry. This technique aids in understanding autoantibody roles in tissue damage.
Area of Science:
- Immunology
- Pathology
Background:
- Emerging evidence highlights the role of B-cells and autoantibodies in autoimmune disease pathogenesis.
- Identifying autoreactive B-cells and autoantibody-secreting plasma cells is crucial for understanding tissue destruction.
Purpose of the Study:
- To develop and present a method for visualizing and analyzing autoreactive B-cells and plasma cells within affected tissues.
- To enable characterization of these cells and their autoantibodies for a deeper understanding of autoimmune disease mechanisms.
Main Methods:
- Selection, production, and purification of a specific antigen of interest.
- Biotinylation of the purified antigen for use in immunohistochemistry on tissue sections.
- Double staining with cell-specific markers or intracellular immunoglobulin (Ig) for cell characterization and Ig isotype determination.
Main Results:
- Successful detection and localization of autoreactive B-cells and plasma cells in tissue samples.
- Characterization of detected cells, including Ig isotype analysis of produced autoantibodies.
- Quantification and spatial analysis of autoreactive cells in relation to tissue microenvironment.
Conclusions:
- The described immunohistochemistry technique provides a powerful tool for identifying and quantifying autoreactive B-cells in autoimmune diseases.
- This method enhances understanding of autoantibody involvement in inflammatory cascades and tissue damage.
- It facilitates detailed analysis of the cellular players within the target organ's pathology.
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