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Title: Discovery of the first small molecule inhibitor of human DDX3 specifically designed to target the RNA binding site: towards the next generation HIV-1 inhibitors
Authors: Botta, Maurizio 
Falchi, F.
Garbelli, A.
Samuele, A.
Bernardo, V.
Paolucci, S.
Baldanti, F.
Schenone, S.
Manetti, Fabrizio 
Maga, G
Botta, Maurizio 
Issue Date: 2012
Project: None 
Efficacy of currently approved anti-HIV drugs is hampered by mutations of the viral enzymes, leading invariably to drug resistance and chemotherapy failure. Recent data suggest that cellular co-factors also represent useful targets for anti-HIV therapy. Here we describe the identification of the first small molecules specifically designed to inhibit the HIV-1 replication by targeting the RNA binding site of the human DEAD-Box RNA helicase DDX3. Optimization of a easily synthetically accessible hit (1) identified by application of a high-throughput docking approach afforded the promising compounds 6 and 8 which proved to inhibit both the helicase and ATPase activity of DDX3 and to reduce the viral load of peripheral blood mononuclear cells (PBMC) infected with HIV-1.
ISSN: 0960-894X
DOI: 10.1016/j.bmcl.2011.12.135
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