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Da Costa L, Roche M, Scheers E, Coluccia A, Neyts J, Terme T, Leyssen P, Silvestri R, Vanelle P. VP1 crystal structure-guided exploration and optimization of 4,5-dimethoxybenzene-based inhibitors of rhinovirus 14 infection. Eur J Med Chem 2016; 115:453-62. [PMID: 27049678 DOI: 10.1016/j.ejmech.2016.03.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 03/17/2016] [Accepted: 03/18/2016] [Indexed: 01/26/2023]
Abstract
Human rhinoviruses (HRV) are the predominant cause of common colds and flu-like illnesses, but are also responsible for virus-induced exacerbations of asthma and chronic obstructive pulmonary disease. However, to date, no drug has been approved yet for clinical use. In this study, we present the results of the structure-based lead optimization of a class of new small-molecule inhibitors that we previously reported to bind into the pocket beneath the canyon of the VP1 protein. A small series of analogues that we designed based on the available structure and interaction data were synthesized and evaluated for their potency to inhibit the replication of HRV serotype 14. 2-(4,5-Dimethoxy-2-nitrophenyl)-1-(4-(pyridin-4-yl)phenyl)ethanol (3v) was found to be a potent inhibitor exhibiting micromolar activity (EC50 = 3.4 ± 1.0 μM) with a toxicity for HeLa cells that was significantly lower than that of our previous hit (LPCRW_0005, CC50 = 104.0 ± 22.2 μM; 3v, CC50 > 263 μM).
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Affiliation(s)
- Laurène Da Costa
- Aix-Marseille Université, Institut de Chimie Radicalaire, UMR 7273 CNRS, 27 Boulevard Jean Moulin, Marseille, France
| | - Manon Roche
- Aix-Marseille Université, Institut de Chimie Radicalaire, UMR 7273 CNRS, 27 Boulevard Jean Moulin, Marseille, France
| | - Els Scheers
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Antonio Coluccia
- Institut Pasteur Italy, Department of Drug Chemistry and Technologies, Sapienza University, I-00185 Rome, Italy
| | - Johan Neyts
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium.
| | - Thierry Terme
- Aix-Marseille Université, Institut de Chimie Radicalaire, UMR 7273 CNRS, 27 Boulevard Jean Moulin, Marseille, France
| | - Pieter Leyssen
- KU Leuven-University of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Romano Silvestri
- Institut Pasteur Italy, Department of Drug Chemistry and Technologies, Sapienza University, I-00185 Rome, Italy.
| | - Patrice Vanelle
- Aix-Marseille Université, Institut de Chimie Radicalaire, UMR 7273 CNRS, 27 Boulevard Jean Moulin, Marseille, France.
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Synthesis, biological activity and structure–activity relationship of 4,5-dimethoxybenzene derivatives inhibitor of rhinovirus 14 infection. Eur J Med Chem 2014; 76:445-59. [DOI: 10.1016/j.ejmech.2014.01.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 01/14/2014] [Accepted: 01/18/2014] [Indexed: 11/23/2022]
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