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Brain and Gut Interactions in Irritable Bowel Syndrome: New Paradigms and New Understandings

  • Neurogastroenterology and Motility Disorders of the Gastrointestinal Tract (S Rao, Section Editor)
  • Published:
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Abstract

Irritable bowel syndrome (IBS) is characterized by abdominal pain and altered bowel habits. Visceral hypersensitivity is believed to be a key underlying mechanism that causes pain. There is evidence that interactions within the brain and gut axis (BGA), that involves both the afferent-ascending and the efferent-descending pathways, as well as the somatosensory cortex, insula, amygdala, anterior cingulate cortex, and hippocampus, are deranged in IBS showing both the activation and inactivation. Clinical manifestations of IBS such as pain, altered gut motility, and psychological dysfunction may each be explained, in part, through the changes in the BGA, but there is conflicting information, and its precise role is not fully understood. A better understanding of the BGA may shed more knowledge regarding the pathophysiology of IBS that in turn may lead to the discovery of novel therapies for this common disorder.

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Dr. Rao and Dr. Coss-Adame declare no conflict of interest.

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Authors and Affiliations

  1. Section of Gastroenterology and Hepatology, Medical College of Georgia, Georgia Regents University, BBR2540, 1120 15th Street, Augusta, GA, 30912, USA

    Satish S. C. Rao

  2. Section of Neurogastroenterology and Motility, Augusta, GA, USA

    Satish S. C. Rao

  3. Department of Gastroenterology, Neurgastroenterology and Motility, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, México City, México

    Enrique Coss-Adame

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  1. Enrique Coss-Adame
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Correspondence to Satish S. C. Rao.

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This article is part of the Topical Collection on Neurogastroenterology and Motility Disorders of the Gastrointestinal Tract

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Coss-Adame, E., Rao, S.S.C. Brain and Gut Interactions in Irritable Bowel Syndrome: New Paradigms and New Understandings. Curr Gastroenterol Rep 16, 379 (2014). https://doi.org/10.1007/s11894-014-0379-z

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