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Obesity Risk Factor

Lack of dipeptidyl peptidase IV protects mice against obesity

Published in Drug Week, August 1st, 2003

Mice lacking dipeptidyl peptidase IV were protected against obesity and insulin resistance.

According to published research from the United States, "Dipeptidyl peptidase IV (DP-IV), a member of the prolyl oligopeptidase family of peptidases, is involved in the metabolic inactivation of a glucose-dependent insulinotropic hormone, glucagon-like peptide 1 (GLP-1), and other incretin hormones. Here, we investigated the impact of DP-IV deficiency on body weight control and insulin sensitivity in mice. Whereas WT mice displayed accelerated weight gain and hyperinsulinemia when fed a high-fat diet (HFD), mice lacking the gene encoding DP-IV (DP-IV-/-) are refractory to the...

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