Objective:
To develop a microscopy-based method that maps the organization of glycans on cell surfaces and links these patterns to cellular behavior and disease states.
Key Findings:
- The technique distinguished different biological conditions based on glycan organization in cultured epithelial cells, primary neurons, human immune cells, and human breast cancer tissue.
- Glycan patterns differed between normal and transformed breast epithelial cells and changed during epithelial-to-mesenchymal transition.
- Rapid changes in the glycocalyx were detected in immune cells after activation, indicating dynamic changes during immune responses.
- Distinct glycan signatures were observed in activated CD4-positive T cells and neutrophils compared to resting cells.
- Tumor and non-tumor regions in human breast adenocarcinoma tissue showed different glycan organization patterns, with tumor tissue exhibiting greater heterogeneity.
Interpretation:
Limitations:
- The approach is currently research-focused and technically complex.
- It requires specialized imaging equipment.
- Analysis is labor-intensive and limited to a small number of glycan targets.
Conclusion:
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