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Updated: Aug 9, 2026
10:26
In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
Published on: January 20, 2019
Stromal niches, plasma cell differentiation and survival
Katrin Moser1, Koji Tokoyoda, Andreas Radbruch
1Department for Humoral Immunology, German Arthritis Research Centre, Berlin, Schumannstrasse 21/22, D-10117 Berlin, Germany.
Current Opinion in Immunology
|April 18, 2006
Summary
Cell interactions influence plasma cell development and antibody production. Specific homing mechanisms direct antibody-secreting cells to tissues for targeted pathogen defense.
Area of Science:
- Immunology
- Cell Biology
- Pathogen Defense
Background:
- Cell-cell and cell-stroma interactions critically regulate plasma cell precursor proliferation, differentiation, survival, migration, and immunoglobulin class switching.
- These interactions also determine the lifespan of antibody-secreting cells.
Purpose of the Study:
- To elucidate the mechanisms by which plasma cell precursors migrate to specific tissues.
- To understand how this migration contributes to effective, localized immune responses against tissue-specific pathogens.
Main Methods:
- The study likely involves investigating the role of chemokine receptors and adhesion molecules in plasma cell precursor migration.
- Analysis of plasma cell localization and survival in different tissue microenvironments.
Main Results:
- Induction of tissue-specific chemokine receptors and adhesion molecules guides plasma cell precursors to sites of prior immune stimulation.
- This targeted migration concentrates specific antibody production within tissues, enhancing protection against localized pathogens.
- Long-lived plasma cells, crucial for sustained antibody titers, migrate to bone marrow niches for survival and differentiation, independent of this relocation mechanism.
Conclusions:
- Tissue-specific homing of plasma cell precursors is a key mechanism for localized, efficient antibody-mediated immunity.
- Bone marrow niches provide essential support for the long-term survival and function of high-affinity antibody-secreting plasma cells.
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