Title: Design and discovery of a novel dipeptidyl-peptidase IV (CD26)-based prodrug approach
Authors: García-Aparicio, Carlos ×
Bonache, María-Cruz
De Meester, Ingrid
San-Félix, Ana
Balzarini, Jan
Camarasa, María-José
Velazquez, Sonsoles #
Issue Date: Aug-2006
Publisher: ACS Publications
Series Title: Journal of Medicinal Chemistry vol:49 issue:17 pages:5339-5351
Abstract: Here we describe a novel type of enzyme-based prodrug approach in which a dipeptide moiety is linked to a nonpeptidic therapeutic drug through an amide bond which is specifically cleaved by the dipeptidyl-peptidase IV (DPP IV/CD26) enzyme activity present in plasma and on the surface of certain cells. DPP IV has high substrate selectivity for peptides with a proline (or an alanine) at the penultimate amino acid position at the N-terminus but tolerates a wide range of natural amino acids at the amino terminal end. A variety of dipeptidyl amide prodrugs of anti-HIV TSAO molecules were synthesized and evaluated for their ability to act as substrates for the enzyme. Our data revealed that DPP IV/CD26 can efficiently recognize such prodrugs as substrates, releasing the parent compound. Moreover, it is possible to modify the half-life and the lipophilicity of the prodrugs by changing the nature of the dipeptide. All conjugates have shown marked in vitro antiviral activities irrespective the the nature of the terminal and/or the penultimate amino acid moiety.
ISSN: 0022-2623
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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