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Semin Immunol. 2013 Nov 30;25(5):364-9. doi: 10.1016/j.smim.2013.10.002. Epub 2013 Oct 26.

Peripheral education of the immune system by the colonic microbiota.

Author information

1
Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, United States.

Abstract

There is growing interest in understanding the effects of host-microbial interactions on host physiologic processes. Much of the work in this arena is logically focused on the interaction at mucosal surfaces as this is a primary site of interaction. However, there is ample evidence to suggest that the effects of the microbiota have a much farther reach including the systemic immune system. While there are some similarities to effects at mucosal surfaces (i.e. reduced numbers of adaptive immune cells, diminished innate responses), there are some important differences that we highlight such as the response to immunogens and bacterial antigens. We propose that understanding the details of how specific components of the microbiota influence the systemic immune system likely will have significant impact on our understanding the pathophysiology of a variety of autoimmune diseases.

KEYWORDS:

APC; CCP; Commensal bacteria; DC; GPI; Host–microbial interactions; IBD; LN; MLN; Microbiome; PAD; PSA; RA; SCFA; SFB; SPF; Systemic immunity; TNBS; antigen presenting cell; cyclic citrullinated peptide; dendritic cell; glucose-6-phosphate isomerase; inflammatory bowel disease; lymph node; mesenteric lymph node; peptidylarginine deiminase; polysaccharide A; rheumatoid arthritis; segmented filamentous bacteria; short-chain fatty acid; specific-pathogen free; trinitrobenzene sulphonic acid

PMID:
24169518
PMCID:
PMC3864652
DOI:
10.1016/j.smim.2013.10.002
[Indexed for MEDLINE]
Free PMC Article

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