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Promising New Class Of Inhibitors Against West Nile Virus Identified

Date:
November 11, 2007
Source:
American Society for Microbiology
Summary:
Researchers have identified a new class of compounds that may inhibit West Nile virus in humans. West Nile virus, a member of the flavivirus family which also includes dengue virus and yellow fever virus, can cause disease in humans, horses, and other vertebrate species when transmitted by infected mosquitoes.

Researchers from the Washington University School of Medicine have identified a new class of compounds that may inhibit West Nile virus in humans.

West Nile virus (WNV), a member of the flavivirus family which also includes dengue virus and yellow fever virus, can cause disease in humans, horses, and other vertebrate species when transmitted by infected mosquitoes.

WNV has been confirmed in all 48 continental United States as well as Canada, Mexico, the Caribbean and South America and the fatality-to-case ratio calculated from recent outbreaks is 4 to 14%. There were 24,000 human cases diagnosed between 1999 and 2006 and currently there is no vaccine or therapeutic treatment approved for use in humans.

In the study researchers screened 80,000 small molecule compounds from a commercial library for their ability to inhibit WNV replication. They identified 10 compounds with strong inhibitory responses toward diverse WNV isolates. Many of these compounds had not been previously marked as inhibitory prospects against WNV or other related or unrelated viruses. In addition several of the compounds also showed inhibition capabilities against dengue and yellow fever viruses.

"Overall, these compounds comprise a novel class of promising inhibitors for therapy against WNV and other flavivirus infections in humans" say the researchers.

Journal reference: A.O. Noueiry, P.D. Olivo, U. Slomczynska, Y. Zhou, B. Buscher, B. Geiss, M. Engle, R.M. Roth, K.M. Chung, M. Samuel, M.S. Diamond. 2007. Identification of novel small-molecule inhibitors of West Nile virus infection. Journal of Virology, 81. 21: 11992-12004.


Story Source:

The above story is based on materials provided by American Society for Microbiology. Note: Materials may be edited for content and length.


Cite This Page:

American Society for Microbiology. "Promising New Class Of Inhibitors Against West Nile Virus Identified." ScienceDaily. ScienceDaily, 11 November 2007. <www.sciencedaily.com/releases/2007/11/071108180659.htm>.
American Society for Microbiology. (2007, November 11). Promising New Class Of Inhibitors Against West Nile Virus Identified. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2007/11/071108180659.htm
American Society for Microbiology. "Promising New Class Of Inhibitors Against West Nile Virus Identified." ScienceDaily. www.sciencedaily.com/releases/2007/11/071108180659.htm (accessed April 20, 2014).

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