Incretins and Lipid Metabolism

Author(s): Vasilis Tsimihodimos*, Moses Elisaf

Journal Name: Current Medicinal Chemistry

Volume 25 , Issue 18 , 2018

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Background: Recent findings indicate that incretin hormones and incretin-based therapies may affect the metabolism of lipoproteins, although the corresponding mechanisms are not clearly defined.

Objective: To summarize the available data on the mechanisms linking incretins with the characteristics of serum lipoproteins and discuss the clinical implications of these relationships.

Methods: PubMed was searched using the terms “incretins”, “GLP-1”, “GIP” and “lipids”, “dyslipidemia”, “triglycerides”, “apolipoprotein B48”. All articles published in the English language until June 2016 were assessed and the relevant information is presented here.

Results: GLP-1, and therapies that increase its activity, exert a beneficial effect on lipoprotein metabolism that is translated in a reduction in the fasting and postprandial concentration of triglycerides and a small improvement in the concentration and function of HDLs. In addition, a shift towards larger, less atherogenic particles usually follows the administration of GLP-1 receptor agonists. The mechanisms that underlie these changes involve a direct effect of GLP- 1 on the hepatic and intestinal production of triglyceride-rich lipoproteins, the GLP-1 induced increase in the production and function of insulin, the activation of specific areas of central nervous system as well as the increase in the peripheral utilization of triglycerides for energy production. On the other hand, GLP-2 increases the absorption of dietary fat and the production of triglyceride-rich lipoproteins while the role of GIP on lipid metabolism remains indeterminate.

Conclusion: GLP-1 and incretin-based therapies favorably affect lipid metabolism. These effects may contribute to the beneficial effects of incretin-based therapies on atherosclerosis and fatty liver disease.

Keywords: Incretins, GLP-1, GLP-2, GIP, triglycerides, HDL, dyslipidemia, lipids.

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Article Details

Year: 2018
Page: [2133 - 2139]
Pages: 7
DOI: 10.2174/0929867324666170414164244
Price: $65

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