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West Nile virus drug discovery.

Lim, Siew Pheng and Shi, Pei-Yong (2013) West Nile virus drug discovery. Viruses.


The outbreak of West Nile virus (WNV) in 1999 has underscored the need for WNV antiviral development. Here we review the current status of the WNV drug discovery. A number of approaches have been used to search for inhibitors of WNV, including viral infection-based screening, enzyme-based screening, structure-based virtual screening, structure-based rationale design, and antibody-based therapy. These efforts have yielded inhibitors of viral or cellular factors that are critical for viral replication. For small molecule inhibitors, no promising preclinical candidate has been developed; most of the inhibitors could not even be advanced to the stage of hit-to-lead optimization due to their poor drug-like properties. However, several inhibitors developed for related members of the family Flaviviridae, such as dengue virus and hepatitis C virus, exhibited cross-inhibition of WNV, suggesting the possibility to re-purpose these antivirals for WNV treatment. Most promisingly, therapeutic antibody has shown efficacy in mouse model; such an antibody has been advanced into clinical trial. The knowledge accumulated during the past fifteen years has provided better rationale for the ongoing WNV and other flavivirus antiviral development.

Item Type: Article
Keywords: Drug discovery, antiviral, West Nile virus, and flavivirus.
Date Deposited: 13 Oct 2015 13:13
Last Modified: 13 Oct 2015 13:13


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