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Publication Abstract from PubMed

Histo-blood group antigens (HBGAs) are important binding factors for norovirus infections. We show that two human milk oligosaccharides, 2' -fucosyllactose (2' FL) and 3-fucosyllactose (3FL), could block norovirus from binding to surrogate HBGA samples. We found that 2' FL and 3FL bound at the equivalent HBGA pocket on the norovirus capsid using X-ray crystallography. Our data revealed that 2' FL and 3FL structurally mimic HBGAs. These results suggest that 2' FL and 3FL might act as natural-occurring decoys in humans.

Structural Basis for Norovirus Inhibition by Human Milk Oligosaccharides.,Weichert S, Koromyslova A, Singh BK, Hansman S, Jennewein S, Schroten H, Hansman GS J Virol. 2016 Feb 17. pii: JVI.03223-15. PMID:26889023^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.