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Roles for Siglec-glycan interactions in regulating immune cells
Sung-Yao Lin1, Edward N Schmidt2, Kei Takahashi-Yamashiro2
1Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada.
Seminars in Immunology
|December 20, 2024
Summary
Cell surface glycans mediate cell-cell interactions, especially in immune cells. Sialic acid-binding immunoglobulin-type lectins (Siglecs) use sialic acid recognition to distinguish
Area of Science:
- Immunology
- Glycobiology
- Cell Biology
Background:
- Cell surface glycans act as primary mediators of cell-cell contact.
- Glycan-binding proteins modulate cellular interactions, crucial for immune responses.
- Sialic acid-binding immunoglobulin-type lectins (Siglecs) recognize sialic acid, a key 'self' marker in vertebrates.
Purpose of the Study:
- To provide a comprehensive review of Siglec ligands.
- To elucidate the regulatory roles of Siglec-sialoglycan interactions in immune cells.
Main Methods:
- Literature review of Siglec-sialoglycan interactions.
- Analysis of Siglec functions in innate and adaptive immunity.
Main Results:
- Siglecs bind to specific sialoglycan ligands.
- These interactions are critical for immune cell differentiation and function.
- Siglec-sialoglycan interactions regulate both innate and adaptive immune processes.
Conclusions:
- Siglec-sialoglycan interactions are fundamental to immune cell regulation.
- Understanding these interactions offers insights into immune system homeostasis and disease.
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