alexa M-cells: origin, morphology and role in mucosal immunity and microbial pathogenesis.
Immunology

Immunology

Journal of Vaccines & Vaccination

Author(s): Corr SC, Gahan CC, Hill C

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Abstract M-cells are specialized cells found in the follicle-associated epithelium of intestinal Peyer's patches of gut-associated lymphoid tissue and in isolated lymphoid follicles, appendix and in mucosal-associated lymphoid tissue sites outside the gastrointestinal tract. In the gastrointestinal tract, M-cells play an important role in transport of antigen from the lumen of the small intestine to mucosal lymphoid tissues, where processing and initiation of immune responses occur. Thus, M-cells act as gateways to the mucosal immune system and this function has been exploited by many invading pathogens. Understanding the mechanism by which M-cells sample antigen will inform the design of oral vaccines with improved efficacy in priming mucosal and systemic immune responses. In this review, the origin and morphology of M-cells, and their role in mucosal immunity and pathogenesis of infections are discussed. This article was published in FEMS Immunol Med Microbiol and referenced in Journal of Vaccines & Vaccination

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