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. Author manuscript; available in PMC: 2017 Nov 23.
Published in final edited form as: Mucosal Immunol. 2017 Feb 1;10(3):567–579. doi: 10.1038/mi.2016.138

Figure 2. Bacterial strategies to evade host defenses.

Figure 2

A) Addition of phosphorylcholine (CHOP) to bacterial lipooligosaccharide (LOS) reduces surface electronegativity and thus resistance to cationic peptides. B) Secretory IgA (sIgA) immune complexes promote M cell uptake of commensal microbial antigen. Induction of this pathway is important for induction of host-commensal homeostasis. C) Capsular polysaccharide A (PSA) from Bacteroides fragilis induces an IL-10 predominant immune response. This, in turn, is associated with protection from mucosal damage in murine models of colitis.