Difucosyllactose or DFL is the simplest HMO containing both the secretor fucose as well as the lewis focuse. As such, it mimics the Lewis Y-epitope which gives rise to histo-blood group A & B antigens (HBGA).

Knowing that the mode of infection of many viruses and bacteria is through a binding on a HBGA, DFL promises great potential as a decoy receptor, thereby protecting us against these pathogens.

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Chemical structures 3D_test_create outlines-01