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Updated: Feb 14, 2026

Observing Islet Function and Islet-Immune Cell Interactions in Live Pancreatic Tissue Slices
Published on: April 12, 2021
The HETE Is on FFAR1 and Pancreatic Islet Cells
Mette Trauelsen1, Michael Lückmann1, Thomas M Frimurer1
1Center for Basic Metabolic Research, University of Copenhagen, Denmark.
Abstract:
It is known but generally unappreciated that the fatty acid receptor FFAR1 (GPR40) is responsible for a major part of glucose-induced insulin secretion. This puzzling fact is now explained by Tunaru et al. (2018), who demonstrate that glucose-induced 20-hydroxyeicosatetraenoic acid (20-HETE) amplifies insulin secretion through autocrine activation of FFAR1.
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