_____ compensates for the absence of secretory IgA in selective IgA deficiency because it can be secreted by mucosal tissues using the same receptor needed for transcytosis.

Question

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IgM can be secreted by mucosal tissues using the same polymeric immunoglobulin receptor (pIgR) needed for transcytosis, compensating for the absence of secretory IgA in selective IgA deficiency.

_____ Compensates for the Absence of Secretory IgA in Selective