Potential of Immunoglobulin A to Prevent Allergic Asthma

Figure 1

Human IgA structure. Schematic diagrams of (a) IgA subclass 1 (IgA1), (b) IgA2, (c) dimeric IgA1 (dIgA1), (d) secretory IgA1, and (e) polymeric immunoglobulin receptor (pIgR) (adapted from [8]).