Rational design, synthesis and pharmacological characterization of novel aminopeptidase A inhibitors.

Aminopeptidase A (APA) is a membrane-bound zinc metallopeptidase involved in the production of angiotensin III, one effector peptide of the brain renin-angiotensin system, making brain APA a relevant pharmacological target for the development of novel therapeutic treatments against hypertension and heart failure. The structure-based design of new APA inhibitors is described, based on previously developed thiol-containing inhibitors and APA crystal structure. Chemical synthesis, in vitro assessment against APA activity, pharmacological and pharmacokinetic profiling were performed, ultimately leading to a potent and selective APA inhibitor.
Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Fabrice Balavoine has patent issued to Assignee. Delphine Compere has patent issued to Assignee. Catherine Llorens-Cortes has patent issued to Assignee. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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