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Cell Microbiol. 2011 May;13(5):670-6. doi: 10.1111/j.1462-5822.2011.01579.x. Epub 2011 Feb 24.

Recognition of bacterial pathogens and mucosal immunity.

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1
Epithelial Pathobiology Unit, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA.

Abstract

Rapid detection and elimination of pathogens invasive to intestinal tissue is essential to avoid prolonged gut inflammation, or systemic sepsis. The discovery of transmembrane or intracytoplasmic pattern recognition receptors that detect the presence of conserved microbial macromolecular structures has significantly advanced the understanding of how metazoans respond to and eliminate bacteria that have entered the intestinal mucosa. In this review, we highlight recent advances in the field of host recognition of bacterial pathogens and subsequent mucosal innate immune response. Additionally, some bacteria are pathogenic because they have evolved sophisticated mechanisms to evade the host mucosal innate immune response. We discuss advances in identifying the mechanisms by which pathogens evade detection by dampening the immune response.

[Indexed for MEDLINE]

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