Related Experiment Videos
High gradient magnetic separation of rosette-forming cells
Cell Biophysics
|June 1, 1981
Summary
High Gradient Magnetic Separation (HGMS) effectively enriches rare splenocyte rosettes from mouse spleens. This rapid technique significantly increases rosette frequency while maintaining high cell recovery.
Area of Science:
- Immunology
- Biotechnology
- Cell Biology
Background:
- High Gradient Magnetic Separation (HGMS) is a known method for separating cells based on magnetic properties.
- Previous applications focused on erythrocyte separation.
- Enriching rare cell populations like splenocytes is crucial for immunological studies.
Purpose of the Study:
- To adapt and evaluate HGMS for enriching specific splenocyte populations (rosettes) from immune mouse spleens.
- To assess the efficiency and speed of HGMS for this specific application.
Main Methods:
- Immune mouse splenocytes forming rosettes with sheep red blood cells were processed through an HGMS column under a strong magnetic field.
- Cells were selectively retained and then eluted by removing the magnetic field.
- Rosette frequencies were quantified pre- and post-separation using microscopy.
Main Results:
- HGMS achieved a 20-50 fold increase in rosetted cell frequency in the retained fraction.
- The passage fraction showed 90-100% depletion of rosettes.
- The entire process took 20-30 minutes per spleen, with 80-90% recovery of intact rosettes and overall cells.
Conclusions:
- HGMS is a rapid and effective method for enriching rare splenocyte rosettes.
- The technique offers high selectivity and recovery, making it valuable for immunological research.
- HGMS provides a significant improvement over traditional methods for isolating specific immune cell populations.