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Free fatty acids are essential dietary components and recognized as important molecules in the maintenance of cellular homeostasis.In the last decade,the molecular pathways for free fatty acid sensing in the gastrointestinal tract have been further elucidated by molecular identification and functional characterization of fatty acid binding receptors.These sensing molecules belong to the family of G proteincoupled receptors.In the intestine,four important receptors have been described so far.They differ in molecular structure,ligand specificity,expression pattern,and functional properties.In this review,an overview of intestinal fatty acid binding receptors and their role in intestinal physiology and pathophysiology is given.
Free fatty acids are essential dietary components and recognized as important molecules in the maintenance of cellular homeostasis. The last decade, the molecular pathways for free fatty acid sensing in the gastrointestinal tract have been further elucidated by molecular identification and functional characterization of fatty acid binding receptors. These sensing molecules belong to the family of G proteincoupled receptors. In the intestine, four important receptors have been described so far. They differ in molecular structure, ligand specificity, expression pattern, and functional properties.In this review, an overview of intestinal fatty acid binding receptors and their role in intestinal physiology and pathophysiology is given.