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Immunity. 2017 Jun 20;46(6):910-926. doi: 10.1016/j.immuni.2017.05.011.

The Enteric Network: Interactions between the Immune and Nervous Systems of the Gut.

Author information

1
Division of Biology & Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. Electronic address: byoo@caltech.edu.
2
Division of Biology & Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. Electronic address: sarkis@caltech.edu.

Abstract

Interactions between the nervous and immune systems enable the gut to respond to the variety of dietary products that it absorbs, the broad spectrum of pathogens that it encounters, and the diverse microbiome that it harbors. The enteric nervous system (ENS) senses and reacts to the dynamic ecosystem of the gastrointestinal (GI) tract by translating chemical cues from the environment into neuronal impulses that propagate throughout the gut and into other organs in the body, including the central nervous system (CNS). This review will describe the current understanding of the anatomy and physiology of the GI tract by focusing on the ENS and the mucosal immune system. We highlight emerging literature that the ENS is essential for important aspects of microbe-induced immune responses in the gut. Although most basic and applied research in neuroscience has focused on the brain, the proximity of the ENS to the immune system and its interface with the external environment suggest that novel paradigms for nervous system function await discovery.

KEYWORDS:

enteric nervous system; gastrointestinal tract; gut-brain axis; intestinal microbiota; neuro-immune interactions; neuro-immunity

PMID:
28636959
PMCID:
PMC5551410
DOI:
10.1016/j.immuni.2017.05.011
[Indexed for MEDLINE]
Free PMC Article

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