Glycan receptor

Glycan receptors, often referred to as lectins or carbohydrate-binding proteins, are a diverse group of molecules on the surface of target cells that specifically recognize and bind to complex carbohydrate structures (glycans). These receptors play critical roles in physiological processes such as cell-cell adhesion, immune system regulation, and intracellular signaling. In many disease states, glycan receptors are exploited by pathogens (such as influenza viruses or bacteria) for host cell entry, or by cancer cells to facilitate metastasis and evade immune detection. Therapeutic strategies targeting these receptors include the use of glycomimetics, monoclonal antibodies, and small molecules designed to block or modulate the interaction between the receptor and its glycan ligand. Because glycans are ubiquitous and highly heterogeneous, achieving high specificity and affinity remains a significant challenge in drug development for this target class.

Other names

Carbohydrate-binding proteinLectinCell-surface glycanSialoglycan receptorGlycosaminoglycan receptor

Competitive inhibition of carbohydrate binding sites, modulation of immune cell signaling through glycan-binding domains, and blockade of pathogen attachment to host cell surface glycans.