Diabetic gastrointestinal motility disorders and the role of enteric nervous system: Current status and future directions

S. S. Yarandi, S. Srinivasan

Research output: Contribution to journalReview article

Abstract

Background: Gastrointestinal manifestations of diabetes are common and a source of significant discomfort and disability. Diabetes affects almost every part of gastrointestinal tract from the esophagus to the rectum and causes a variety of symptoms including heartburn, nausea, vomiting, abdominal pain, diarrhea and constipation. Understanding the underlying mechanisms of diabetic gastroenteropathy is important to guide development of therapies for this common problem. Over recent years, the data regarding the pathophysiology of diabetic gastroenteropathy is expanding. In addition to autonomic neuropathy causing gastrointestinal disturbances the role of enteric nervous system is becoming more evident. Purpose: In this review, we summarize the reported alterations in enteric nervous system including enteric neurons, interstitial cells of Cajal and neurotransmission in diabetic animal models and patients. We also review the possible underlying mechanisms of these alterations, with focus on oxidative stress, growth factors and diabetes induced changes in gastrointestinal smooth muscle. Finally, we will discuss recent advances and potential areas for future research related to diabetes and the ENS such as gut microbiota, micro-RNAs and changes

Original languageEnglish (US)
Pages (from-to)611-624
Number of pages14
JournalNeurogastroenterology and Motility
Volume26
Issue number5
DOIs
StatePublished - May 2014

Keywords

  • Diabetes
  • Enteric nervous system
  • Enteric neurons
  • Interstitial cells of Cajal
  • Oxidative stress
  • Smooth muscle

ASJC Scopus subject areas

  • Physiology
  • Endocrine and Autonomic Systems
  • Gastroenterology

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