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Isolation of human T lymphocytes by a negative selection procedure
Immunological Communications
|January 1, 1979
Summary
A novel rosette technique efficiently isolates human T lymphocytes using antibody-coated erythrocytes. This single-step method achieves high purity and good recovery, simplifying T cell isolation for research.
Area of Science:
- Immunology
- Cell Biology
- Biotechnology
Background:
- Accurate isolation of human T lymphocytes is crucial for immunological research and clinical applications.
- Existing methods for T cell isolation can be complex, time-consuming, and may affect cell viability.
Purpose of the Study:
- To develop a simple, efficient, and single-step method for isolating highly pure human T lymphocytes.
- To utilize a rosette technique for the depletion of non-T lymphocytes.
Main Methods:
- A rosette technique employing erythrocytes coated with IgG and complement was used.
- Rosetting cells, formed with T lymphocytes, were separated from non-T lymphocytes via gradient centrifugation.
- The method aimed to minimize experimental manipulations and preserve cell integrity.
Main Results:
- Achieved isolation of T lymphocytes with purity greater than 96%.
- Obtained good cell recovery, with a mean recovery rate of 60% (range 40-75%).
- The single-step procedure proved effective in depleting non-T lymphocytes.
Conclusions:
- This rosette-based method provides an efficient and straightforward approach for isolating human T lymphocytes.
- The technique offers high purity and recovery, making it suitable for various research applications.
- It represents a valuable advancement in lymphocyte isolation methodologies.