Design, Synthesis, and Structure-Activity Relationship Studies of Novel 3-Alkylindole Derivatives as Selective and Highly Potent Myeloperoxidase Inhibitors
[en] Due to its production of potent antimicrobial oxidants including hypochlorous acid, human myeloperoxidase (MPO) plays a critical role in innate immunity and inflammatory diseases. Thus MPO is an attractive target in drug design. (Aminoalkyl)fluoroindole derivatives were detected to be very potent MPO inhibitors; however, they also promote inhibition of the serotonin reuptake transporter (SERT) at the same concentration range. Via structure-based drug design, a new series of MPO inhibitors derived from 3-alkylindole were synthesized and their effects were assessed on MPO-mediated taurine chlorination and low-density lipoprotein oxidation as well as on inhibition of SERT. The fluoroindole compound with three carbons in the side chain and one amide group exhibited a selectivity index of 35 (Ki/IC50) with high inhibition of MPO activity (IC50 = 18 nM), whereas its effect on SERT was in the micromolar range. Structure-function relationships, mechanism of action, and safety of the molecule are discussed.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Soubhye, Jalal
Aldib, Iyas
Elfving, Betina
Gelbcke, Michel
Furtmuller, Paul G.
Podrecca, Manuel ; Université de Mons > Faculté de Médecine et de Pharmacie > Biologie humaine et Toxicologie
Conotte, Raphael ; Université de Mons > Faculté de Médecine et de Pharmacie > Biologie humaine et Toxicologie
Colet, Jean-Marie ; Université de Mons > Faculté de Médecine et de Pharmacie > Biologie humaine et Toxicologie
Rousseau, Alexandre
Reyé, Florence
Sarakbi, A.
Vanhaeverbeek, Michel ; Université de Mons > Faculté de Médecine et de Pharmacie > FMP - Service du Doyen
Kauffmann, Jean-Michel
Obinger, Christian
Nève, Jean
Prevost, Martine
Zouaoui Boudjeltia, Karim ; Université de Mons > Faculté de Médecine et de Pharmacie > FMP - Service du Doyen
Dufrasne, François ; Université de Mons > Faculté de Médecine et de Pharmacie > Service de Chimie thérapeutique et Pharmacognosie
Design, Synthesis, and Structure-Activity Relationship Studies of Novel 3-Alkylindole Derivatives as Selective and Highly Potent Myeloperoxidase Inhibitors
Publication date :
23 May 2013
Journal title :
Journal of Medicinal Chemistry
ISSN :
0022-2623
Publisher :
American Chemical Society, United States - District of Columbia
Volume :
56
Issue :
10
Pages :
3943-3958
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
M125 - Biologie humaine et Toxicologie M136 - Chimie thérapeutique et Pharmacognosie
Research institute :
R550 - Institut des Sciences et Technologies de la Santé
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