Pain bugs: Gut microbiota and pain disorders

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dc.contributor.authorRea, Kieran
dc.contributor.authorO'Mahony, Siobhain
dc.contributor.authorDinan, Timothy G.
dc.contributor.authorCryan, John F.
dc.date.accessioned2019-11-12T16:06:32Z
dc.date.available2019-11-12T16:06:32Z
dc.date.issued2019-10-11
dc.date.updated2019-11-12T15:59:27Z
dc.description.abstractThe microbiota-gut–brain axis is a complex and dynamic multi-directional ‘communication superhighway’ within the body including the central nervous system, the autonomic nervous system, the neuroendocrine and neuroimmune systems, the lymphatic system, the enteric nervous system and the gastrointestinal microbiota. The mechanisms of communication are slowly being unravelled and involve the main systems mentioned along with the by-products produced such as neuropeptides, neurotransmitter, hormones and immune modulators. Over the last decade increasing evidence points to an essential role of this axis in many fundamental neural processes and brain disorders. However, the limited clinical and preclinical studies do not clearly delineate a role for gut microbiota in the pathophysiology of pain state. The most researched area is in irritable bowel syndrome and in visceral pain studies in animal models. However, one cannot overlook the involvement of the microbiota in symptoms that are comorbid with chronic pain especially affective disorders. In this review we synthesise the available information highlighting the gut microbiota in visceral, inflammatory, and neuropathic pain states, including fibromyalgia, migraine, cancer and chemotherapy-associated pain. Given its part in many effector systems, there is a clear need for more focused investigations on the mechanism of action of the microbiota in human pain states, as current treatment strategies are often ineffective or provide limited relief.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRea, K., O'Mahony, S., Dinan, T. G. and Cryan, J. F. (2019) 'Pain bugs: Gut microbiota and pain disorders', Current Opinion in Physiology, 11, pp. 97-102. doi: 10.1016/j.cophys.2019.10.001en
dc.identifier.doi10.1016/j.cophys.2019.10.001en
dc.identifier.endpage102en
dc.identifier.issn2468-8673
dc.identifier.journaltitleCurrent Opinion in Physiologyen
dc.identifier.startpage97en
dc.identifier.urihttps://hdl.handle.net/10468/8993
dc.identifier.volume11en
dc.language.isoenen
dc.publisherElsevier Ltd.en
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S2468867319301415
dc.rights© 2019, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectGut microbiotaen
dc.subjectPathophysiologyen
dc.subjectPainen
dc.subjectFibromyalgiaen
dc.subjectMigraineen
dc.subjectCanceren
dc.subjectChemotherapy-associated painen
dc.titlePain bugs: Gut microbiota and pain disordersen
dc.typeArticle (peer-reviewed)en
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