Visceral Pain

Luke Grundy, Andelain Erickson, Stuart Brierley

Research output: Contribution to journalReview article

9 Citations (Scopus)

Abstract

Most of us live blissfully unaware of the orchestrated function that our internal organs conduct. When this peace is interrupted, it is often by routine sensations of hunger and urge. However, for >20% of the global population, chronic visceral pain is an unpleasant and often excruciating reminder of the existence of our internal organs. In many cases, there is no obvious underlying pathological cause of the pain. Accordingly, chronic visceral pain is debilitating, reduces the quality of life of sufferers, and has large concomitant socioeconomic costs. In this review, we highlight key mechanisms underlying chronic abdominal and pelvic pain associated with functional and inflammatory disorders of the gastrointestinal and urinary tracts. This includes how the colon and bladder are innervated by specialized subclasses of spinal afferents, how these afferents become sensitized in highly dynamic signaling environments, and the subsequent development of neuroplasticity within visceral pain pathways. We also highlight key contributing factors, including alterations in commensal bacteria, altered mucosal permeability, epithelial interactions with afferent nerves, alterations in immune or stress responses, and cross talk between these two adjacent organs.

LanguageEnglish
Pages261-284
Number of pages24
JournalAnnual Review of Physiology
Volume81
DOIs
Publication statusPublished - 10 Feb 2019

Keywords

  • afferents
  • bladder
  • colon
  • mechanosensation
  • neurons
  • nociception

ASJC Scopus subject areas

  • Physiology

Cite this

Grundy, Luke ; Erickson, Andelain ; Brierley, Stuart. / Visceral Pain. In: Annual Review of Physiology. 2019 ; Vol. 81. pp. 261-284.
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Visceral Pain. / Grundy, Luke; Erickson, Andelain; Brierley, Stuart.

In: Annual Review of Physiology, Vol. 81, 10.02.2019, p. 261-284.

Research output: Contribution to journalReview article

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AB - Most of us live blissfully unaware of the orchestrated function that our internal organs conduct. When this peace is interrupted, it is often by routine sensations of hunger and urge. However, for >20% of the global population, chronic visceral pain is an unpleasant and often excruciating reminder of the existence of our internal organs. In many cases, there is no obvious underlying pathological cause of the pain. Accordingly, chronic visceral pain is debilitating, reduces the quality of life of sufferers, and has large concomitant socioeconomic costs. In this review, we highlight key mechanisms underlying chronic abdominal and pelvic pain associated with functional and inflammatory disorders of the gastrointestinal and urinary tracts. This includes how the colon and bladder are innervated by specialized subclasses of spinal afferents, how these afferents become sensitized in highly dynamic signaling environments, and the subsequent development of neuroplasticity within visceral pain pathways. We also highlight key contributing factors, including alterations in commensal bacteria, altered mucosal permeability, epithelial interactions with afferent nerves, alterations in immune or stress responses, and cross talk between these two adjacent organs.

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