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Pattern of lectin binding to murine T lymphocytes
1Department of Medicine, School of Medicine, University of Maryland, Baltimore.
Immunology
|January 1, 1992
Summary
Lectins can identify changes in T cell glycosylation. Specific lectins can distinguish between naive, activated, and memory T cells, offering a new method for T cell subset identification.
Area of Science:
- Immunology
- Glycobiology
Background:
- Cell-surface glycosylation plays a role in immune cell function.
- Lectins are proteins that bind carbohydrates and can detect glycosylation changes.
Purpose of the Study:
- To investigate the lectin-binding characteristics of murine T cells.
- To identify lectins that can differentiate between naive, activated, and resting T cells.
Main Methods:
- Flow cytometry was used to measure lectin binding.
- A panel of labeled lectins was applied to naive, activated, and resting murine T cells.
Main Results:
- Some lectins bound to all T cells, while others bound to specific subsets.
- Three lectins (Bandeiraea simplicifolia BS-I, Bauhinia purpurea, Lycopersicon esculentum) preferentially bound to previously activated T cells.
- Two lectins (Glycine max, Triticum vulgaris) also showed preferential binding to activated T cells.
- No differences in lectin binding were observed between Th1 and Th2 clones.
Conclusions:
- Lectin binding profiles can distinguish between naive, activated, and memory T cells.
- This approach offers a powerful tool for T cell subset analysis.