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Glycan-based high-affinity ligands for toxins and pathogen receptors
Ashish A Kulkarni1, Alison A Weiss, Suri S Iyer
1UC Chemical and Biosensors Group, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, USA.
Medicinal Research Reviews
|February 6, 2010
Summary
Microbial pathogens exploit cell surface glycans for entry. Developing glycan-based ligands offers new strategies for diagnostics, therapeutics, and understanding cellular communication.
Area of Science:
- Biochemistry
- Molecular Biology
- Glycobiology
Background:
- Glycans (carbohydrate structures) cover mammalian cell surfaces, acting as receptors for toxins and pathogens.
- Understanding host-pathogen interactions at the glycan level is crucial for developing new medical interventions.
- Shiga toxin and influenza virus exemplify pathogens utilizing specific glycan receptors.
Purpose of the Study:
- To explore the molecular interactions between host glycans and infectious agents.
- To present strategies for creating novel glycan-based high-affinity ligands.
- To investigate the role of glycans in cellular communication and disease.
Main Methods:
- Analysis of host glycan structures and pathogen binding sites.
- Design and synthesis of glycan-based ligands.
- Utilizing Shiga toxin and influenza virus as model systems.
- Investigating the potential of ligands as diagnostic and therapeutic tools.
Main Results:
- Demonstrated the critical role of specific glycans in mediating pathogen entry.
- Developed high-affinity glycan-based ligands with potential therapeutic and diagnostic applications.
- Highlighted the utility of these ligands as probes for biological processes.
- Initiated the deciphering of the 'glycocode' for cellular communication.
Conclusions:
- Targeting host glycans offers a promising avenue for combating infectious diseases.
- Glycan-based ligands can be engineered for specific pathogen recognition and neutralization.
- Further research into the 'glycocode' can illuminate normal and pathological cellular signaling pathways.
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