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A rapid method for the isolation of functional human T lymphocytes using hydroxyapatite column fractionation
S Tsuru1, M Taniguchi, M Tsugita
1Department of Bacteriology, National Defense Medical College, Saitama, Japan.
Journal of Immunological Methods
|February 10, 1988
Summary
Hydroxyapatite chromatography rapidly depletes B cells and monocytes from peripheral blood. This method efficiently enriches T cells, providing a pure T-cell population for research and clinical applications.
Area of Science:
- Immunology
- Cell Biology
Background:
- Peripheral blood lymphocytes are crucial for immune responses.
- Isolating specific lymphocyte subsets, like T cells, is vital for research and therapeutic applications.
- Current methods for T cell enrichment can be time-consuming or inefficient.
Purpose of the Study:
- To develop a rapid and efficient method for preparing T-enriched cell populations from peripheral blood.
- To assess the depletion of non-T cells, including B cells and monocytes, using hydroxyapatite chromatography.
Main Methods:
- Peripheral blood lymphocytes were passed through a hydroxyapatite chromatography column.
- The cell populations before and after chromatography were analyzed for cell type composition.
Main Results:
- Hydroxyapatite chromatography resulted in a 7-20 fold depletion of immunoglobulin-bearing cells (B cells).
- Monocytes were depleted 20-fold, while T cells were enriched 1.3-fold.
- The resulting T-cell enriched population was devoid of B lymphocyte precursors and monocytes, with intact helper and suppressor T cell populations.
Conclusions:
- Hydroxyapatite chromatography is an effective method for rapid T cell enrichment.
- This technique facilitates the preparation of highly purified T cell populations, suitable for further immunological studies or clinical use.