Human-specific Regulation of α2–6-linked Sialic Acids

Abstract excerpt

Many microbial pathogens and toxins recognize animal cells via cell surface sialic acids (Sias) that are alpha 2-3- or alpha 2-8-linked to the underlying glycan chain. Human influenza A/B viruses are unusual in preferring alpha 2-6-linked Sias, undergoing a switch from alpha 2-3 linkage preference during adaptation from animals to humans. This correlates with the expression of alpha 2-6-linked Sias on ciliated...

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