Diabetes Mellitus

  • Lea Smirčić Duvnjak
  • Sandra Vučković Rebrina
Chapter
Part of the Clinical Gastroenterology book series (CG)

Abstract

Nowadays, diabetes mellitus (DM) is viewed as a condition of progressive loss of beta cell mass or function caused by the interaction of genetic and environmental factors. In all types of DM, hyperglycemia is associated with the development of the same complications, although their progression may vary. Over recent decades, it has been recognized that the gastrointestinal (GI) tract, historically considered an alimentary organ, plays a crucial role in the regulation of glucose metabolism. It contributes to the maintenance of metabolic homeostasis by controlling the rate of glucose being delivered to the circulation and by secreting multiple hormones from the enteroendocrine cells (EEC) and neurons in the GI tract. GI peptides are involved in the control of gut secretion, nutrient absorption, GI motility and growth, and signaling pathways within the gut–brain axis. The function of the GI system is under control of the autonomic nervous system (ANS), composed of three interdependent parts: sympathetic, parasympathetic, and enteric nervous system (ENS). In addition, current understanding of the relationship between gut microbiota, obesity, and type 2 DM has improved our knowledge about metabolic homeostasis. The gut microbiota has emerged as a potential treatment target in obesity and type 2 DM.

Keywords

Diabetes mellitus Hyperglycemia Diabetic complications Gastrointestinal function Gastrointestinal hormones Metabolic homeostasis Autonomic nervous system Gut microbiota 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Lea Smirčić Duvnjak
    • 1
    • 2
  • Sandra Vučković Rebrina
    • 1
    • 2
  1. 1.Department of Diabetology, Department of NeurologyVuk Vrhovac University Clinic for Diabetes, Endocrinology and Metabolic Disease, UH MerkurZagrebCroatia
  2. 2.University of Zagreb School of MedicineZagrebCroatia

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