An IgA mimicry of IgG that binds Polymeric Immunoglobulin Receptor for mucosa transcytosis
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Most pathogens establish infection through mucosa, where secretary IgA (sIgA) plays an "immune exclusion" role in humoral defense. Extravasation of intravenously administrated therapeutic IgG mainly relies on convection and/or FcRn-mediated transcytosis from c... ...