The Role of Sugars in Dendritic Cell Trafficking

Zélia Silva, K. Konstantopoulos, Paula A. Videira

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Dendritic cells (DCs) are crucial components of the immune response, strategically positioned as immune sentinels. Complex trafficking and accurate positioning of DCs are indispensable for both immunity and tolerance. This is particularly evident for their therapeutic application where an unmet clinical need exists for DCs with improved migratory capacity upon adoptive transfer into patients. One critical step that directs the trafficking of DCs throughout the body is their egress from the vasculature, starting with their adhesive interactions with vascular endothelium under shear flow. Both tethering and rolling rely on interactions mediated by specific glycans attached to glycoproteins and glycolipids present on the DC surface. In DCs, surface glycosylation, including the expression of selectin ligands, changes significantly depending on the local microenvironment and the functional state of the cells. These changes have been documented and have potential implications in important cell functions such as migration. In this article, we review the glycobiological aspects in the context of DC interaction with endothelium, and offer insights on how it can be applied to modulate DC applicability in therapy.
Original languageEnglish
Pages (from-to)777-789
Number of pages13
JournalAnnals of Biomedical Engineering
Issue number4
Publication statusPublished - 2012


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