The Connection Between Bile Acids and Type 2 Diabetes Mellitus

Abstract

Bile acids (BAs) are steroid molecules that have a hydrophilic and a hydrophobic end, and are synthesized exclusively in the liver, being end product of cholesterol catabolism. Type 2 diabetes mellitus (DM2) is a chronic degenerative disease, with a pathophysiology characterized by insulin resistance (IR), insulin deficiency due to insufficient production of pancreatic ß-cells, and elevated serum glucose levels leading to multiple complications. BAs are related to several metabolic alterations, including metabolic syndrome and DM2. It is currently known that BAs act as a ligand for the nuclear farnesoid X receptor, a receptor with an important role in glucose metabolism, lipids and cellular energy production, as well as in the regulation of production, elimination and mobilization of BAs. BAs have also been reported to act as a signaling pathway through of Takeda G protein-coupled receptor 5. In this manuscript, we describe the interface between BAs and metabolic disorders, in particular DM2, including discussing possibilities in the development of therapeutic procedures targeting BAs as an optional pathway in the treatment of DM2.

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