Pancreatic islet inflammation: an emerging role for chemokines

J Mol Endocrinol. 2017 Jul;59(1):R33-R46. doi: 10.1530/JME-17-0042. Epub 2017 Apr 18.

Abstract

Both type 1 and type 2 diabetes exhibit features of inflammation associated with alterations in pancreatic islet function and mass. These immunological disruptions, if unresolved, contribute to the overall pathogenesis of disease onset. This review presents the emerging role of pancreatic islet chemokine production as a critical factor regulating immune cell entry into pancreatic tissue as well as an important facilitator of changes in tissue resident leukocyte activity. Signaling through two specific chemokine receptors (i.e., CXCR2 and CXCR3) is presented to illustrate key points regarding ligand-mediated regulation of innate and adaptive immune cell responses. The prospective roles of chemokine ligands and their corresponding chemokine receptors to influence the onset and progression of autoimmune- and obesity-associated forms of diabetes are discussed.

Keywords: chemokine; cytokine; diabetes; inflammation; islet.

Publication types

  • Review
  • Research Support, N.I.H., Extramural

MeSH terms

  • Adaptive Immunity
  • Animals
  • Chemokines / genetics
  • Chemokines / immunology*
  • Diabetes Mellitus, Type 1 / genetics
  • Diabetes Mellitus, Type 1 / immunology*
  • Diabetes Mellitus, Type 1 / pathology
  • Diabetes Mellitus, Type 2 / genetics
  • Diabetes Mellitus, Type 2 / immunology*
  • Diabetes Mellitus, Type 2 / pathology
  • Disease Models, Animal
  • Gene Expression Regulation
  • Humans
  • Immunity, Innate
  • Inflammation
  • Islets of Langerhans / immunology*
  • Islets of Langerhans / pathology
  • Leukocytes / immunology
  • Leukocytes / pathology
  • Obesity / genetics
  • Obesity / immunology
  • Obesity / pathology
  • Receptors, CXCR3 / genetics
  • Receptors, CXCR3 / immunology*
  • Receptors, Interleukin-8B / genetics
  • Receptors, Interleukin-8B / immunology*
  • Signal Transduction

Substances

  • CXCR3 protein, human
  • Chemokines
  • Receptors, CXCR3
  • Receptors, Interleukin-8B