Abstract
The enzyme dipeptidyl peptidase IV (DPPIV) is a serine protease that can be found anchored to the cell membrane in several tissues or insoluble form in plasma. Its function is to cleave peptide chains in which there is an alanine or proline as the second amino acid from the N-terminus. DPPIV substrates such as brain natriuretic peptide, glucagon-like peptide-1, and stromal-derived factor-…