Bitter-sweet symphony: glycan-lectin interactions in virus biology.


Glycans are carbohydrate modifications typically found on proteins or lipids, and can act as ligands for glycan-binding proteins called lectins. Glycans and lectins play crucial roles in the function of cells and organs, and in the immune system of animals and humans. Viral pathogens use glycans and lectins that are encoded by their own or the host genome for their replication and spread. Recent advances in glycobiological research indicate that glycans and lectins mediate key interactions at the virus-host interface, controlling viral spread and/or activation of the immune system. This review reflects on glycan-lectin interactions in the context of viral infection and antiviral immunity. A short introduction illustrates the nature of glycans and lectins, and conveys the basic principles of their interactions. Subsequently, examples are discussed highlighting specific glycan-lectin interactions and how they affect the progress of viral infections, either benefiting the host or the virus. Moreover, glycan and lectin variability and their potential biological consequences are discussed. Finally, the review outlines how recent advances in the glycan-lectin field might be transformed into promising new approaches to antiviral therapy.

DOI: 10.1111/1574-6976.12052
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@article{Breedam2014BittersweetSG, title={Bitter-sweet symphony: glycan-lectin interactions in virus biology.}, author={Wander Van Breedam and Stefan P{\"{o}hlmann and Herman W. Favoreel and Raoul J. de Groot and Hans Nauwynck}, journal={FEMS microbiology reviews}, year={2014}, volume={38 4}, pages={598-632} }