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J Med Chem. 2014 Mar 27;57(6):2197-212. doi: 10.1021/jm400658e. Epub 2013 Oct 24.

Dipeptidyl peptidase IV and its inhibitors: therapeutics for type 2 diabetes and what else?

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University Institute of Pathology, CHUV-UNIL , Bugnon 25, CH-1011 Lausanne, Switzerland.


The proline-specific dipeptidyl aminopeptidase IV (DPP IV, DPP-4, CD26), widely expressed in mammalians, releases X-Pro/Ala dipeptides from the N-terminus of peptides. DPP IV is responsible of the degradation of the incretin peptide hormones regulating blood glucose levels. Several families of DPP IV inhibitors have been synthesized and evaluated. Their positive effects on the degradation of the incretins and the control of blood glucose levels have been demonstrated in biological models and in clinical trials. Presently, several DPP IV inhibitors, the "gliptins", are approved for type 2 diabetes or are under clinical evaluation. However, the gliptins may also be of therapeutic interest for other diseases beyond the inhibition of incretin degradation. In this Perspective, the biological functions and potential substrates of DPP IV enzymes are reviewed and the characteristics of the DPP IV inhibitors are discussed in view of type 2 diabetes and further therapeutic interest.

[Indexed for MEDLINE]

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