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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
Published on: May 18, 2018
Isolation of functionally active murine follicular dendritic cells
Selvakumar Sukumar1, Andras K Szakal, John G Tew
1Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, 23298-0678, USA.
Journal of Immunological Methods
|July 11, 2006
Summary
Researchers developed a new method to isolate functional follicular dendritic cells (FDCs) from mice. This technique yields a high number of pure FDCs, crucial for immunological studies.
Area of Science:
- Immunology
- Cell Biology
- Hematology
Background:
- Studying follicular dendritic cells (FDCs) is vital for understanding immune responses.
- Previous methods struggled to provide sufficient pure, functional FDCs for research.
Purpose of the Study:
- To establish an effective method for isolating large quantities of functional murine FDCs.
Main Methods:
- Lymph nodes were processed after lymphocyte depletion via irradiation.
- Enzymatic digestion created single-cell suspensions.
- Magnetic cell separation using the FDC-M1 antibody enriched FDCs.
Main Results:
- Nearly one million FDCs per mouse were obtained at 90% purity.
- Isolated FDCs exhibited characteristic morphology and retained immune complexes.
- Cells expressed key FDC markers (FDC-M1, CD21/35, CD32, CD40, CD54).
- Purified FDCs demonstrated functional accessory activities, including B cell co-stimulation and survival support.
Conclusions:
- This combined method successfully yields a substantial number of highly purified, functional murine FDCs.
- The isolated FDCs are suitable for detailed biochemical, genetic, and immunological investigations.
