Vascular and lymphatic regulation of gastrointestinal function and disease risk

Vincenza Cifarelli, Vivek S. Peche, Nada A. Abumrad

Research output: Contribution to journalArticlepeer-review

Abstract

The vascular and lymphatic systems in the gut regulate lipid transport while restricting transfer of commensal gut microbiota and directing immune cell trafficking. Increased permeability of the endothelial systems in the intestine associates with passage of antigens and microbiota from the gut into the bloodstream leading to tissue inflammation, the release of pro-inflammatory mediators and ultimately to abnormalities of systemic metabolism. Recent studies show that lipid metabolism maintains homeostasis and function of intestinal blood and lymphatic endothelial cells, BECs and LECs, respectively. This review highlights recent progress in this area, and information related to the contribution of the lipid transporter CD36, abundant in BECs and LECs, to gastrointestinal barrier integrity, inflammation, and to gut regulation of whole body metabolism. The potential role of endothelial lipid delivery in epithelial tissue renewal after injury and consequently in the risk of gastric and intestinal diseases is also discussed.

Original languageEnglish
Article number159207
JournalBiochimica et Biophysica Acta - Molecular and Cell Biology of Lipids
Volume1867
Issue number11
DOIs
StatePublished - Nov 2022

Keywords

  • CD36
  • Endothelium
  • IBD
  • Intestine
  • Lipid
  • Lymphatics
  • VEGF signaling

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